How to use the site

On this site you will find pictures and information about some of the electrical and mecanichal relics that the Frank Sharp Private museum has accumulated over the years .
There are lots of vintage electrical and electronic items that have not survived well or even completely disappeared and forgotten.

Or are not being collected nowadays in proportion to their significance or prevalence in their heyday, this is bad and the main part of the death land. The heavy, ugly sarcophagus; models with few endearing qualities, devices that have some over-riding disadvantage to ownership such as heavy weight,toxicity or inflated value when dismantled, tend to be under-represented by all but the most comprehensive collections and museums. They get relegated to the bottom of the wants list, derided as 'more trouble than they are worth', or just forgotten entirely. As a result, I started to notice gaps in the current representation of the history of electronic and electrical technology to the interested member of the public.


Following this idea around a bit, convinced me that a collection of the peculiar alone could not hope to survive on its own merits, but a museum that gave equal display space to the popular and the unpopular, would bring things to the attention of the average person that he has previously passed by or been shielded from. It's a matter of culture. From this, the Washer Rama Web Museum concept developed and all my other things too. It's an open platform for all electrical Electronic TV technology to have its few, but NOT last, moments of fame in a working, hand-on environment. We'll never own Colossus or Faraday's first transformer, but I can show things that you can't see at the Science Museum, and let you play with things that the Smithsonian can't allow people to touch, because my remit is different.

There was a society once that was the polar opposite of our disposable, junk society. A whole nation was built on the idea of placing quality before quantity in all things. The goal was not “more and newer,” but “better and higher" .This attitude was reflected not only in the manufacturing of material goods, but also in the realms of art and architecture, as well as in the social fabric of everyday life. The goal was for each new cohort of children to stand on a higher level than the preceding cohort: they were to be healthier, stronger, more intelligent, and more vibrant in every way.

The society that prioritized human, social and material quality is a Winner. Truly, it is the high point of all Western civilization. Consequently, its defeat meant the defeat of civilization itself.
Today, the West is headed for the abyss. For the ultimate fate of our disposable society is for that society itself to be disposed of. And this will happen sooner, rather than later.
OLD, but ORIGINAL, Well made, Funny, Not remotely controlled............. and not Made in CHINA.

How to use the site:

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or you can click on the main photo-page to start from the main page. If doing so it starts from the most recent post to the older post doing simple clicking on the Older Post button on the bottom of each page after reading , post after post.

You can even visit all posts, time to time, reaching the bottom end of each page then click on the Older Post button.


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So you can see all the blog/site content surfing all pages in it.


- The search this blog feature provided by Google is a real search engine. If you're pointing particular things it will search IT for you; or you can place a brand name in the search query at your choice and visit all results page by page. It's useful since the content of the site is very large.

Note that if you don't find what you searched for, try it after a period of time; the site is a never ending job !

Technology has made us leap in terms of saving time and efforts. From the conventional pounding of clothes on the rock to the modern cubical white boxes which have several buttons for washing your clothes delicately or permanent press, we have come far from primitive hiccups of civilization.

Unlike other collector's items like watches, radios or cars, antique washing machine models do not allure the collectors, who try to avoid them as much as they can. One of the main reasons is that they are difficult to maintain.

1900 to 1935 saw the advent of old washing machines that were powered by gasoline or electric motors. Gasoline was hazardous and had environmental issues.

Before 1900, antique washing machines were actually run by people. But, invention of internal combustion engine and electric motor changed the scenario and electric powered washing machines became popular.
Since the old washing machines did not have on-off switch, if the clothes or hand of the user was caught in it, the electric chord had to be pulled out or the user could lose her anatomy. Basically, the safety mechanism was primeval.

History of antique washing machine can be traced back to 1800's when rotary washing machines were invented. Then in 1908, Hurley in Chicago introduced Thor - a vintage washing machine that comprised of a galvanized tub and an electric motor. The tub was wooden and turned 8 revolutions before reversing. It was designed by Fisher.

In 1893, Maytag Corporation started manufacturing washing machines and in 1907 they introduced a wooden tub in it.
Upton Machine Company or Whirlpool started in 1911 in Michigan. It manufactured electric motor driven wringer washers.

In 1920 rocker type machines became extremely popular. Judd rocker was amongst them but this washing machine did not have wringer safety release. There was no earth and the terminals were not insulated.
Later, Horton Company in Indiana started manufacturing electric machines, which featured a powered wringer. Additionally, it had a safety release.

J. T. Winans got patent for washing machine that had pulley, which was driven by a water motor. The water motor was belted to the pulley and this was connected to a tap. The water powered motors did not become popular and eventually the company shifted its focus to electrical powered washers.

One of the most interesting antique washing machines belonging to early 1900s was the Laun-Dry-Ette which was manufactured by Home Specialty Company, Ohio. There was no wringer present in it but it comprised of two cups (having an agitator), which produced a twisting motion for better cleaning. This old model is a darling of many vintage washing machine collectors.
According to estimation, there were more than 1000 companies in the early 1900s which were manufacturing washing machines. Most of them were small scale companies, but they all had resources to manufacture electric washers.

In 1691, first British patent was issued for the category of Washing and Wringing Machines.

In 1782, British patent for a rotating drum washer was issued to Henry Sidgier.
Nathanial Briggs was the first American to get the patent in this category.
Louis Goldenberg of New Jersey invented electric washer in the early 1900s.
Since he was employed with Ford, all inventions created by him during that time belonged to Ford.

In 1928, US sales increased to more than 900,000 units, but the sales dipped by 1932 to about 600,000 units only, due to Great Depression.

In 1930s spin dryers were introduced and the entire mechanism was hemmed in a cabinet. Manufacturers started paying lot of attention to safety issues. Spin dryers replaced the electric powered wringers.
Almost 60% of the households in US owned electric washing machines in 1940s.

In 1937, Bendix was issued a patent for automatic washing machine. The machine had to be anchored or fixed to the ground so that it didn't shift while functioning. Bendix Deluxe was introduced in 1947 and it was a front loading machine. It was priced at $250.
GE was the first company that introduced top load washing machines.

1940s and 1950s saw proliferation of washing machines that were mainly top loading.
Some companies manufactured laundry machines which were semi-automatic. The user was supposed to intervene with the wash cycle in order to wring and rinse the clothes.

Every OLD Washing Machine saved let revive knowledge, noise, thoughts, wash engineering, moments of the past life which will never return again.........
These were the days when some washing machines were more like machine tools and bristled with levers and gears. There was a sense of occasion when they were powered up and then helping to guide soaking sheets through those powerful rollers with torrents of soapy steaming water (roughly) pouring back into the tub.

Many contemporary appliances would not have this level of staying power, many would ware out or require major services within just five years and of course, there is that perennial bug bear of planned obsolescence where components our deliberately designed to fail or manufactured with limited edition specificities.

.......The bitterness of poor quality is remembered long after the sweetness of todays funny gadgets low price has faded from memory.....
Don't forget the past, the end of the world is upon us! Pretty soon it will all turn to dust!

Have big FUN ! !


©2010, 2011, 2012, 2013, 2014 Frank Sharp - You do not have permission to copy photos and words from this blog, and any content may be never used it for auctions or commercial purposes, however feel free to post anything you see here with a courtesy link back, btw a link to the original post here , is mandatory.
All sets and apparates appearing here are property of
Engineer Frank Sharp. NOTHING HERE IS FOR SALE !

Tuesday, September 10, 2013

PHONOLA (PHILIPS) PNL6398/2 INTERNAL VIEW.




















This machine have had completely broken bearings, an easy fix, see pictures of the leak from the main DRUM shaft.

 The TIMER EATON P55 is a compact programme timer and is designed for the
control of clothes washers, dryers, combinations and dishwashers where physical space is at an optimum
and a maximum of functions is required. The patented terminal interconnection grid is an ideal
means of terminal optimization for the use of group connectors.
Complies with and approved by all major Certification Authorities worldwide.

Available Functions:
7, 9, 11 or 13 contact layers with up to 2 SPDT
contact per layer.
Up to 6 tab terminals per layer.
Interconnection grid offering full interconnection
for wire harnesses up to the maximum rating of
the control.
Specifications
• Motor & Solenoid voltages:
24-100-120-200-210-220-230-240
50 - 60 Hz
• Contacts: SPDT - SPST (2 per level)
• Reversing (or sub-interval cams) contacts:
Up to 6 SPDT
• Terminals: Tab 6,3 x 0,8 mm
• Push-Pull contacts:
≥3 mm - 16 (4) A 250 V ~ (2 switches)
• Main contacts:
≥3 mm - 16 (4) A 250 V ~ (2 switches)
• Contact ratings:
16 (4) A 250 V ~ (≥3 mm)
10000 cycles
16 (4) A 250 V ~ (µ)
24000 cycles
4 (2) A 250 V ~ (µ)
• Maximum ambient temperature: 80º C

Stepping of main and/or reversing cam(s) in 1 second intervals.
Main and reversing cams with 16 steps.
Spin safety feature available.
Double function lever features available.
Rapid advance via thermostop coil available.
Thermostop feature available.
Pre-selection feature available without additional motor.
PCB variants for connection and/or electronic control
functions available (e.g. dryer control).
Timing system with 1, 2, 3 or 4 different timings with
integrated zero resets available.


PHONOLA (PHILIPS) PNL6398/2 TIMER EATON P55 Providing a programmer/timer with dual rate drive.
 
 A programmer/timer for an appliance of the type having a rotatable cam drum (12) advanced for sequential actuation and deactuation of a plurality of electrical switches (20). The drum is advanced or indexed intermittently by an oscillating advance pawl (26) engaging a ratchet wheel (25) and also continuously by a gear (44) driven by a common motor for oscillating the advance pawl. The ratchet wheel (25) has a hub (38) which is frictionally engaged (37) to drive the cam drum. The driven gear in turn is frictionally engaged (51) with the hub to also drive the ratchet wheel. When the advance pawl engages the ratchet wheel for intermittent drive, the driven gear slips on the ratchet hub. Upon user selection, a separate cam track (52) lifts the advance pawl to permit the driven gear to continuously drive the ratchet wheel.

1. A programmer/timer assembly for sequentially actuating at least one electrical switch (20), said assembly comprising: (a) cam means (12,16) rotatable with respect to said switch and including follower means (18) operable in response to rotation of said cam means to effect actuation and deactuation of said switch; (b) motorized drive means (30) including ratchet and pawl means (24,26) operable to intermittently advance said cam means at a first rate and said motorized drive means including gear means (46,44) operable to continuously advance said cam means at a second rate; (c) first clutch means (51) operative to provide frictional driving engagement between said continuous drive means and said ratchet means; (d) second clutch means (37) operative to provide frictional driving engagement between said ratchet means and said cam means; wherein said first clutch means is operative to slip during said first rate advancement; (e) said cam means, including blocking means (52) operable, upon advancement of said cam means to a predetermined position to prevent driving engagement between said pawl and ratchet, and operative to permit said second rate advancement without slippage of said first clutch means; and, (f) said first clutch means operable to slip upon user rotation of said cam means to permit initial positioning of said cam means for program interval selection.

2. The programmer/timer defined in claim 1, wherein said first clutch means requires a greater torque for slippage than is required for slippage of said second clutch means.

3. The programmer/timer defined in claim 1, wherein said ratchet has a hub (38) provided thereon and said first clutch means comprises a frictional coupling between said continuous drive means and said ratchet hub.

4. The programmer/timer assembly defined in claim 1, wherein said ratchet includes a hub (38) and said second clutch said means comprises a frictional coupling between said hub and said cam means.

5. The programmer/timer assembly defined in claim 1 wherein said blocking means includes a raised portion of said cam means.

6. The programmer/timer assembly defined in claim 1, wherein (a) said ratchet has an axially extended hub (38) and said first clutch means frictionally engages the outer periphery of said hub; and, (b) said cam means includes a shaft (14) with said second clutch means comprising frictional engagement between the inner periphery of said hub and said shaft.

7. The programmer/timer defined in claim one, wherein, (a) said ratchet means includes a ratchet wheel (25) having a hub (38) and, (b) said first clutch means includes a collet (50) frictionally engaging said hub.

8. A programmer/timer assembly for sequentially actuating at least one electrical switch (20) comprising: (a) rotatable cam means (12,16) and follower means (18) operable upon rotation of said cam means to effect actuation and deactuation of said switch means; (b) a ratchet wheel (25) having an axially extending hub portion (38) with said ratchet frictionally coupled to said cam means; (c) a driven gear (40) frictionally coupled to said ratchet hub; (d) pawl means (26,28) operative upon advancement and retraction to effect intermittent movement of said ratchet wheel; (e) motorized drive means (48,46) operable to provide continuous rotation of said driven gear and said advancement and retraction of said pawl means; and, (f) blocking means (52) operable upon user selective positioning thereof to prevent said pawl means from advancing said ratchet, whereupon said driven gear continuously advances said ratchet wheel and said cam means, said driven gear coupling operative to slip when said blocking means is positioned to permit said pawl means to advance said ratchet wheel.

9. The assembly defined in claim 8, wherein said cam means includes a shaft (14) with said ratchet hub and said driven gear received thereon.

10. The assembly defined in claim 8, wherein said cam means includes a shaft (14) with said ratchet hub frictionally coupled thereto and said driven gear received thereover.

11. The assembly defined in claim 8, wherein said blocking means comprises a raised portion of said cam means operable to lift said pawl means from said ratchet wheel.

12. The assembly defined in claim 8, wherein said driven gear frictional coupling comprises a collet (50) attached to said driven gear frictionally engaging said ratchet hub.

13. The assembly defined in claim 8, wherein said cam means includes a shaft (14) and said ratchet wheel friction coupling to said cam means includes said ratchet wheel hub received over said shaft in frictional engagement.

14. A method of providing a programmer/timer with a dual rate of advance comprising the steps of: (a) providing a rotatable cam (12) for actuating at least one switch (20) and frictionally clutching (37) an advance ratchet (25,24) to said cam thereon; (b) providing a motorized advance pawl (26) engaging said ratchet and advancing said cam at a first rate through said frictional clutch; (c) frictionally engaging (51) said ratchet with a continuous motor drive (46,44) and allowing said continuing frictional engagement to slip when said pawl engages said ratchet for advancin at said first rate; and, (d) selectively lifting said pawl from engaging said ratchet and advancing said cam continuously at a second faster rate without slipping said frictional engagement with said motor drive.

15. The method defined in claim 14, wherein said step of frictionally engaging said ratchet with a continuous motor drive includes the steps of providing a hub (38) on said ratchet and engaging said hub with a collet (50).

16. The method defined in claim 14, wherein said step of frictionally clutching said ratchet to said cam includes the steps of providing a shaft (14) on said cam and frictionally engaging said advance ratchet to said shaft.

Description:
PROVIDING A PROGRAMMER/TIMER WITH DUAL RATE DRIVE:

 BACKGROUND OF THE INVENTION:
The present invention relates to electromechanical programmer/timers utilized for sequentially activating at least one and usually a plurality of electrical switches for a selective program interval. Programmer/timers of this sort are commonly employed for appliances such as clothes washing machines, dishwashers, microwave ovens and other appliances wherein it is desired for the machine user to select a desired program interval for the appliance operation; and, upon such selection a timing motor provides advancement of a cam track for sequentially actuating the machine control function switches during time-out of the selected interval.
Typically, electromechanical appliance programmer/timers utilize a subfractional horsepower synchronous timer motor driving either a continuous drive to the cam through a speed reducer, or employ an indexing mechanism such as a ratchet wheel engaged by a periodically advanced and retracted pawl.
Heretofore, differing rates of advance in appliance programmer/timers have been provided by utilizing ratchet teeth of varying depth disposed about the advance ratchet with blocking means, usually comprising a masking ratchet wheel, to permit the pawl to engage the notches of greatest depth only upon selected multiples of the advanced pawl strokes, thus providing alternate rates of intermittent advancement of the cam ratchet. However, the fastest rate of advancement in such arrangement S is determined by the number of teeth having the greatest minor diameter on the ratchet wheel with the teeth of lesser major diameter providing a substantially slower rate of advancement. Where continuous drive for the cam is employed via means of a motor speed reducer, it has heretofore been the practice to shift or change gearing in order to provide alternate rate of advance.
However, in certain appliance applications, it is desired to provide a relatively slow rate of advancement utilizing the well known ratchet and pawl cam indexing; technique however, it is also desired to provide a substantially more rapid rate of advancement of the cam for certain selected portions of the program time out interval. Therefor, utilizing only a ratchet and pawl advance technique for the cam track limits the resolution of the cam track by virtue of the pitch of the teeth required to provide the desired maxmimum rate of advance. If the pitch of the teeth for the ratchet is chosen for the desired maximum rate of advance, within the allowable diameter for the ratchet, problems have been encountered in providing the desired resolution of the cam functions within a single revolution of the rotary cam track.
Therefore, it has long been desired to provide an electromechanical programmer/timer for appliance having a ratchet and pawl advance mechanism providing a relatively fast rate of advance and yet also provide for a substantially slower rate of advance with a continuous drive means for a portion of the selected program interval.

 SUMMARY OF THE INVENTION
The present invention provides an electromechanical programmer/timer for appliances having a relatively fast rate of advance of the switch cam track provided by an oscillating advance pawl and ratchet wheel and a substantially slower rate of advance provided by a continuous speed reducer drive. The ratchet is connected to drive the cam track by a first frictional clutch means and the continuous drive is connected for driving the ratchet by a second frictional clutch means which is permitted to slip when the pawl is engaged for advancing the ratchet. The cam track has a portion thereof configured to lift the advanced pawl for the ratchet, thereby disabling the pawl and ratchet advance, whereupon the second frictional clutch ceases to slip and the continuous drive provides for the slower rate of advance.
User selection of the desired program interval for the cam track is accomplished by user rotation of the cam track which is permitted by slippage of the first and second clutch means to enable the desired positioning of the cam track for commencement of the timed interval for the program.
In the preferred form, the first clutch means comprises a frictional engagement between the interior of the hub on the ratchet wheel and a shaft connected to the cam track. A second clutch means comprises a collet provided on the speed reducer aftward gear with the collet frictionally engaging the exterior of the ratchet wheel head.
The present invention thus provides a novel and simplified instruction for a programmer/timer for appliances wherein a single drive motor is operative to providing a fast rate of advancement through a pawl advancing a ratchet wheel and a slower rate through continuous drive to the ratchet wheel which slips during pawl advancement of the ratchet.
Upon lifting of the ratchet, the slipping clutch ceases to slip and provides a slower rate of continuous drive to the cam track.

BRIEF DESCRIPTION OF THE DRAWINGS
Figure 1 is a pictorial representation of the cam track ratchet advance pawl and gear train for the programmer/timer of the present invention with the advance pawl engaging the ratchet; Figure 2 is a view similar to Figure 1 showing the advanced pawl lifted from the ratchet by a blocking track on the cam; and, Figure 3 is a section view taken along broken section line 3-3 of Figure 1.

DETAILED DESCRIPTION
Referring to Figure 1, the dual rate drive mechanism before a programmer/timer is illustrated generally by reference numeral 10 and comprises a drum 12 mounted for rotation about shaft 14 and having a cam track 16 provided about the periphery thereof. A cam follower means 18 is pivotally exposed on the base or housing means (not shown) and the follower is engaged in track 16 and is operative to effect actuation and deactuation of the electrical switch mechanism indicated generally at 20. In the illustration of Figure 1, the cam drum 12 is shown rotated to a position such that the cam follower 18 rests against the depressed or base circle portion 17 of cam track 16 and in this position effects deactuation of opening of the switch 20.
The portion of cam track 16 on drum 12 disposed generally diameterally opposite the depressed portion 17 is also depressed for a desired arcuate segment of the cam track periphery as indicated by the reference numeral 22. A toothed ratchet wheel having teeth 24 of substantially constant pitch and root diameter greater than tracks 22 are formed about the periphery thereof; and, the ratchet 25 is disposed concentrically with respect to shaft 14 and in axially spaced relationship with cam drum 12.
An advance pawl 26 is provided and has a chisel point 28 disposed to engage the ratchet teeth 24 as illustrated in Figure 1. Pawl 26 is connected to orbiting concentric crank pin 30 and has the end thereof opposite to the point 28 disposed over pin 30 and biased thereon by integrally formed spring fingers 34, 32. It will be understood that the crank pin 30 is rotated by a speed reducer and motor drive mechanism (not shown).
Referring to Figure 1 and 3, the cam drum 12 is illustrated in the preferred practice as being integrally formed on shaft 14 and is rotated therewith by user rotation of the shaft 14 for positioning the cam track 16 at a desired rotational position with respect to cam follower 18. Ratchet wheel 25 is shown in Figure 3 as having an axially extending hub 36 which has the inner periphery thereof received over shaft 14 so as to position the ratchet teeth 24 in alignment for engagement with the pawl chisel point 28. The ratchet hub engages the shaft 14 in a frictional engagement and comprises a first frictional clutching means indicated generally by the numeral 37 for operatively connecting the ratchet wheel 25 for rotationally driving cam drum 12. The ratchet hub 36 has a reduced diameter extension portion 38 extending from the hub in a direction opposite that of the cam drum 12.
A speed reducing gear 40 has a central hub 42 provided thereon and received over shaft 14 adjacent the reduced diameter portion 38 of the ratchet hub. Gear 40 has peripheral teeth 44 continuously engaged by a motor drive pinion gear 46 which is driven from shaft 48 by a motor comprised (not shown). It will be understood, however, that a common motor drive may be employed with appropriate speed reduction for the eccentric shaft 30 and for the pinion gear 46.
The hub 42 of gear 40 has provided on the interior thereof a plurality of collet jaws 50 which frictionally engage the exterior of the smaller hub diameter 38 in frictional engagement and comprise a second clutching means indicated generally by reference numeral 51 in Figure 3 for providing a continuous drive from shaft 48 to ratchet wheel 25 via gear 44 and through the first clutching means 31 to the cam drum 12.
Referring to Figure 2, the drive of Figure 1 is shown with the cam drum 12 rotated to a position where a second cam track 52 has raised the chisel point 28 an amount sufficient to disengage the pawl from the ratchet teeth 24. This listed position is shown in greater detail in Figure 3.
In operation, when the cam drum is positioned such that track 22 permits the ratchet teeth 24 to be engaged by the pawl chisel point 28 the cam drum 12 is driven by the first frictional clutch 37; and, the second frictional clutch 51 permits shaft 14 to be overdriven by slippage therein.
In operation, during the initial portion of the selected program the ratchet wheel 25 is advanced by clutch 51 engaging hub 36 with the pawl chisel point 28 lifted from the ratchet teeth 24 by cam track 52. Upon reaching the end track 52, point 28 engages ratchet teeth 24, driving of the ratchet wheel 25. Thereafter, the clutch means 51 begins slipping the shaft 14 is driven by clutch 37 at the speed of rotation of the gear 25. The drum 12 continues rotating until the cam track 16 reaches the recessed cam track portion 17 whereupon cam follower drops and deactuates or opens switch 20 to cut line power to the motor drive (not shown) for shaft 48.
In the presently preferred practice of the invention, the pawl and ratchet drive is operable to provide a faster rotation to cam drive 12 than the continuously rotating pinion gear 46 driving through gear 40 and clutch 51. In one application of the invention, it has been found desirable to rotate the eccentric shaft 30 at a rate of 4 revolutions per minute (4 RPM) thereby giving the pawl 26 a period of oscillation of 15 seconds. Concomitantly, the driving pinion 46 is rotated at a rate of one-fifteenth revolution per minute (1/15 RPM); and, the ration of the number of teeth on pinion 46 to the number of gear teeth 44 is 1:4 giving the gear 40 a rate of rotation of one-sixtieth revolution per minute (1/60 RPM).
In the present practice of the invention, in ore application, it has been found satisfactory to have clutch 51 provided with a slippage of break-away torque of forty (40) in-ounces; and, the clutch 37 has a break-away torque of 20 in-ounces.
When the motor drive (not shown) for driving eccentric shaft 30 and pinion 46 is inoperative e.g. switch 20 is open, shaft 14 may be rotated by the appliance user in either direction. If the pawl 26 is in the position shown in Figure 2, clutch 37 will slip to permit positioning of the cam in either direction. If the pawl is in the position shown in Figure 1, with the chisel point engaging the ratchet teeth, clutch 37 will slip upon user rotation of shaft 14.
The present invention provides unique and novel dual rate drive for an electromechanical programmer/timer for actuating appliance function switches in a sequence during a selected program interval. The programmer/timer of the present invention provides a pawl and ratchet drive to a rotatable switch cam drum in which the ratchet wheel is frictionally clutched to the cam drum shaft; and, the ratchet wheel hub is also separately frictionally clutched to a continuously rotating motor drive gear. Upon engagement of the pawl with the ratchet, the friction clutch to the continuously driven gear slips and permits the shaft to be overdriven.
Upon the cam drum rotating to a desired position, a cam track lifts the pawl from engagement with the advance ratchet and the shaft is not overdriven and slippage of the gear clutch ceases and the cam drum shaft is driven as a slower rate by the continuously rotated drive gear. Upon time-down to the lower cam position, the pawl engages the ratchet and the drum overdrives the continuously driven gear. The user positioning of the cam drum is accomplished by permitting clutch 37 to slip upon user rotation of the cam drum shaft in either direction.
The present invention has been hereinabove described and illustrated in the drawings in the presently preferred practice. However, it will be understood that modifications and variations may be made to the disclosed version and the invention is limited only by the scope of the following claims.



PHONOLA (PHILIPS) PNL6398/2 TIMER EATON P55  Multiple electrical connections for mechanical timers. 
 Multiple electrical connections for cam-type mechanical timers, which are suitable to enable the outward connectors, or terminals, (26) to be organized in the terminal board as required and the electrical connection to be made with insulated electrical leads (15-115), the organization of the outward connectors being embodied with circuit-holder plates (16-17) in which the plates (16) for the power connections contain circuits (18) made of sheared sheet metal and comprising protruding angled shoes (20), which are correlated with the metallic edge (25) of holes (19-24) included in the plates (16-17) cooperating together.

1. Multiple electrical connections for cam-type mechanical timers, which are suitable to enable the outward connectors, or terminals, (26) to be organized in the terminal board as required and the electrical connection to be made with insulated electrical leads (15-115), the organization of the outward connectors being embodied with circuit-holder plates (16-17) in which the plates (16) for the power connections contain circuits (18) made of sheared sheet metal and comprising protruding angled shoes (20), which are correlated with the metallic edge (25) of holes (19-24) included in the plates (16-17) cooperating together.

2. Multiple electrical connections for cam-type mechanical timers, which are suitable to enable the outward connectors, or terminals, (26) to be organized in the terminal board as required and the electrical connection to be made with insulated electrical leads (15-115), the organization of the outward connectors being embodied with circuit-holder plates (16-17) in which the plates (16) for the power connections contain circuits (18) made of sheared sheet metal and comprising transit holes (19) and protruding angled shoes (20), which cooperate at least with sidewalls (21) of terminals (11) protruding from the mechanical timer (10).

3. Multiple electrical connections as claimed in Claim 1 or 2, in which the holes (19-24) have a rectangular plan.

4. Multiple electrical connections as claimed in Claim 1 or 2, in which the holes (19-24) have a T-shaped plan.

5. Multiple electrical connections as claimed in any claim hereinbefore, in which the holes (19-24) comprise at least one notch (27) able to accommodate an end (114) of an electrical cable (115).

6. Multiple electrical connections as claimed in any claim hereinbefore, in which the various metallic items (11-20-114) protruding from the same hole (24) are soldered to the metallic edge surrounding that hole (24).

Description:
"MULTIPLE ELECTRICAL CONNECTIONS FOR MECHANICAL TIMERS"
This invention concerns multiple electrical connections located downstream of a mechanical programmer device. The programmer devices with which the invention is concerned are normally called "timers" and have the purpose of conditioning in sequences which can be chosen as desired the functions proper to a machine or device with which such timers are associated.
The timers can control and govern multiple functions at one and the same time.
The invention is concerned preferably, but not only, with timers employed in washing and drying machines for household, community or industrial use.
From an actual timer itself there departs a plurality of terminals the departure position of which is governed by the axial assembly of the various cams and relative contact-holder supports, which form the storage means of the timer itself.

A correct design can organize only partly the rational arrangement of such terminals in view of the circumferential sequence of the activations.

Moreover, every person who has to apply such apparatus must have the usage means organized in the terminal board which groups and arranges in order the terminals in an individualized manner so as to facilitate the assembly, maintenance, connections, etc.
Furthermore, every person applying such apparatus requires that between the exit of the contact from the timer and the corresponding exit in the individualized terminal board there may be specific applications which have an effect on, or arise from, the signal passing through such contact.
Besides, some outward connectors or terminals serve to provide distribution and governing signals, whereas other connectors or terminals serve to feed, even if only momentarily, electrical power suitable to operate motors, solenoid valves, electrical resistors, etc.
For this reason plates are normally fitted in association with the timer which are suitable to connect in a logical manner the semi-random outward connectors from the timer to the organized and individualized outward connectors required in the terminal board.
When such plates are fitted to the timer, problems are raised with regard to electrical connections and to the continuity of such connections in the long term.
Problems concerning capacity are also raised as the normal printed circuits are not always able to withstand the electrical power loads required by the usage means.
Moreover, problems are involved with regard to the assembly, assembly work, the quality of the joint and the stability of the joint in the long term.
The more it is necessary to arrange to perform such operations wholly or partly in an automatic manner, the more serious these problems regarding the assembly and joints become.
The plates are embodied at the present time by means of printed circuits and may be assembled with the timer singly or more than one in number.
Such known embodiment does not meet the requirements of speed, quality and retention of quality in the long term.
The present applicant has designed, tested and embodied this invention so as to overcome the above drawbacks and obtain a rational, individualized organization of the outward connectors in correspondence with the terminal board.
According to the invention a wafer plate is provided in cooperation with the outward leads from the timer; but by wafer plate is meant a plate with at least the power circuits made of sheared sheet metal and cooperating with a support plate.
Such sheared metal circuits may be applied to the support plate or sunk therewithin by fusion.
The support plate is made of a plastic material and performs support and insulation functions.
Such wafer plate may itself bear the organized outward connectors of the terminal board, or else the outward connectors of the terminal board may be positioned on another plate, for instance a printed circuit plate.
According to the invention the outward connectors from the timer and the connecting shoes provided in the sheared metal circuit cooperate mutually by sliding against each other so as to obtain, above all, a stable mechanical contact.
According to a variant a plate is provided which bears printed circuits suitable to act as means to transfer control and governing signals.
A variant of the invention arranges for wafer plates comprising more than one circuit made of sheared sheet metal, each set of circuits lying on different planes.
A further variant of the invention provides for a plate bearing printed circuits and circuits made of sheared sheet metal.
The invention is therefore embodied with multiple electrical connections for cam-type mechanical timers, which are suitable to enable the outward connectors, or terminals, to be organized in the terminal board as required and the electrical connection to be made with insulated electrical leads, the organization of the outward connectors being embodied with circuit-holder plates in which the plates for the power connections contain circuits made of sheared sheet metal and comprising protruding angled shoes, which are correlated with the metallic edge of holes included in the plates cooperating together.
The attached figures, which are given as a non-restrictive example, show the following:- Fig.1 shows in a disassembled condition a connection according to the invention; Fig.2 shows a disassembled variant of the connection; Figs.3 to 7 show sections of possible types of connection according to the invention.
A timer 10 comprises a terminal 11 containing a hole 12. One timer 10 includes a plurality of terminals 11, all of which are located on a surface 13 of the timer 10.
Such terminals 11 may be aligned or be positioned on one or more lines along the length of the timer 10.
The position of the terminals 11 will depend on the position of the mechanical storage means (cam), on the angular position of the storage means and on the sequence arranged.
The hole 12 is suitable to cooperate with an end 14 of a lead 15 without its sheath. Such leads 15 can be used to create bridges, auxiliary connections, branches, etc. by connecting together the terminals 11 or outward connectors leaving the timer 10 and by making use of the holes 12.
Wafer plates 16 and, possibly, printed circuit plates 17 cooperate with the terminals 11. The wafer plates 16 are obtained by sinking sheared sheet metal circuits 18 therein as in the example shown.
The wafer plates 16 may be obtained also by applying such sheared sheet metal circuits 18 to appropriate plates comprising suitable positioning and clamping means.
The wafer plates 16 serve advantageously to convey electric power to usage means requiring such power, such as motors, resistors, solenoid valves,etc.
The wafer plates 16 contain a plurality of through holes 19 passing therethrough. Such holes 19 cooperate directly with the terminals 11 and therefore are present in at least the same number as the terminals but may be included in a greater number, as we shall see later.
The holes 19 are included for the passage of the terminals 11 or the ends 114 of a cable 115; if the terminals or cable are not comprised, then the holes 19 may be missing.
The circuits 18 in correlation with the holes 19, which, as said above, may be present not as through holes as such but only as outward passages, comprise shoes 20 folded so that they can be positioned with a desired angle in relation to the wafer plate 16.
It is therefore possible to fit the wafer plate 16 to the surface 13 of the timer 10 so that the terminals 11 cooperate with the respective holes 19, which will be shaped suitably to receive the terminals 11.
In this way a sidewall 21 of the terminal 11 cooperates with, by sliding against and slightly altering the trim of, a face 22 of the shoe 20 made in the circuit 18.
A mechanical and electrical contact in the form of a "T" is thus created between the terminal 11 and the shoe 20.
As the terminal 11 is produced by shearing, its sidewalls 21 will have their own specific consequent roughness, which cooperates with the surface 22 of the shoe 20 in improving the contact.
A wafer plate 16 contains within itself a plurality of single circuits 18, with which it is possible to produce bridges between the terminals 11, auxiliary connections, branches, etc.
At a desired position, in the terminal board for instance, the circuits 18 are arranged in the required organized form and may comprise a plurality of their own terminals or outward connectors 26. One single circuit 18 may comprise one or more terminals or outward connectors 26.
If the wafer plate 16 is not enough to obtain all the connections, it is possible according to the invention to provide also at least one printed circuit plate 17.
The printed circuit plate 17 will contain a coordinated series of holes 24, which are surrounded by a metallic edge 25 that is helpful for soldering purposes.
Depending on the type of connection to be produced, the metallic edge 25 will be connected electrically, that is to say, it will form an integral part of one single printed circuit 23, or will not be connected electrically to one single printed circuit 23.
A printed circuit plate 17 cooperating with a wafer plate 16 will contain as many holes 24 as there are shoes 20, and the positioning of the holes and shoes will coincide and be reciprocal.
Thus there will be holes 19-24 cooperating with terminals 11, and there will be shoes 20 and holes 24 cooperating with each other.
The holes 24 which have to cooperate also with the terminals 11 will be T-shaped so that they can accommodate the terminal 11 as well as the shoe 20.
If the holes 24 have to cooperate only with the shoes 20, their conformation will be such as to accommodate the shoe 20, which passes through the support plate 17 and substantially protrudes therefrom.
It may happen that the number of connections to be provided will be such as to make insufficient the use of the leads 15, the wafer plates 16 and the printed circuit plates 17.
It may also become necessary to be able to make auxiliary connections after the timer 10 and the wafer and support plates 16-17 have been assembled.
In such cases the conformation of the hole 24 in the support plate and possibly also of the hole 19 in the wafer plate may be altered to provide one or more notches 27 able to accommodate the sheathless end 114 of the cable 15. Such end 114 cooperates also with one of the two end surfaces 28 of the terminal 11 and is suitable to protrude substantially from the support plate 17.
Fig.3 shows a section of the connection which takes place between the terminal 11, circuit 18 and metallic edge 25.
The final connection between the terminal 11, shoe 20, metallic edge 25 and cable 114 or between two or more of the same, that is, between the various metallic items protruding from the same hole 24 or connection point, is made stable by means of soldering.
The conformation obtained enables the soldering to be produced in a soundwave bath and therefore in an automatic manner.
Fig.4 shows the case of an electrical connection made only between a wafer plate 16 and a printed circuit plate 17.
Fig.5 shows an example where a printed circuit 23 is produced on the wafer plate 16.
Fig.6 shows a case where two separate wafer plates 16 are employed.
Fig.7 shows an example of a wafer plate 16 consisting of two sets of sheared metal circuits.

1 comment:

Anonymous said...

Thank you so much for all your hard work on the museum information and images. I have some scientific instruments and this gives me inspiration to follow suit with a similar treatment. Will it happen I don't know yet but the seed is there.