US2680379A - Program device - Google Patents

Program device Download PDF

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Publication number
US2680379A
US2680379A US257255A US25725551A US2680379A US 2680379 A US2680379 A US 2680379A US 257255 A US257255 A US 257255A US 25725551 A US25725551 A US 25725551A US 2680379 A US2680379 A US 2680379A
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US
United States
Prior art keywords
group
pawl
plate
cams
wheel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US257255A
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English (en)
Inventor
Duquenne Jean
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Individual
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Individual
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Publication of US2680379A publication Critical patent/US2680379A/en
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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F33/00—Control of operations performed in washing machines or washer-dryers 
    • D06F33/04—Control of operations performed in washing machines or washer-dryers  non-electrically
    • D06F33/06—Control of operations performed in washing machines or washer-dryers  non-electrically substantially mechanically
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H31/00—Other gearings with freewheeling members or other intermittently driving members
    • F16H31/003—Step-by-step mechanisms for rotary motion
    • F16H31/005—Step-by-step mechanisms for rotary motion with pawls driven by a reciprocating or oscillating transmission member
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G21/00—Mechanical apparatus for control of a series of operations, i.e. programme control, e.g. involving a set of cams
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H43/00—Time or time-programme switches providing a choice of time-intervals for executing one or more switching actions and automatically terminating their operations after the programme is completed
    • H01H43/10—Time or time-programme switches providing a choice of time-intervals for executing one or more switching actions and automatically terminating their operations after the programme is completed with timing of actuation of contacts due to a part rotating at substantially constant speed
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/15—Intermittent grip type mechanical movement
    • Y10T74/1526—Oscillation or reciprocation to intermittent unidirectional motion
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/15—Intermittent grip type mechanical movement
    • Y10T74/1558—Grip units and features
    • Y10T74/1565—Gripper releasing devices
    • Y10T74/1566—Power pawl lifter
    • Y10T74/1568—Automatic

Definitions

  • This invention relates to apparatus for automatically operating the driving members of washing and like machines.
  • l u e 'y e y Washing machines comprise members which are put into operation at certain determined Ino-Y ments of the washing cycle, such as for" example inlet, outlet andheating valves, shuttersymembers which distribute the washing andother products, and members which drivethemotor' 'of' the washing machine.
  • Inknown machines these dif' ferent members are operatedmanually orV automatically by means of different systems; making use of drums', discs, ⁇ chains, or cam shafts, connected by mechanical or other means with interrupters, valves or relays. In all'cases the duration of the operations is ⁇ determinedby the speed of travel of the discs, drums or other ele"- ments.
  • the present invention is 'based' on the fact that in the course of washing' and laundering, the operations to be carried out can be divided into two groups, viz, those which are repeated in a certain order for each of the successive baths, and those which are repeated for each batch,
  • the invention consists'of an apparatus for automatically driving the washing machines, composed of two units, one of which comprises the drive for the members the operations of which are Vrepeated at each bath, and the otherv Which comprises the members the operations of which are repeated with each batch or charge.
  • one of the units acts upon the other and vice versa, that is, when one 'of 'the units has stopped, the other passes through a certain phase of its cycle, and inversely.
  • a unit relating to the drive of the members to be operated consists of ratchet wheels operated by pawls carried on a pivoting arm andY of a locking plate.
  • the construction isY s'uch Vthat the plate of one group acts'upon the pawls of the other group, in this way the movement' of one' unit is determined by the movement ofthe other'.v
  • the ratchet wheels vof one unit influence cams which drive the members to be Yoperated andthe locking plate, with hollows and raised portions, which eventually raise the pawls of the other unit.
  • the pawls of each unit ⁇ are carried' by an" arm which is driven in an alternative'movement by an exterior driving source. Onel of.
  • each'pawl plate of e'a'c'h'- g'roup comprises four pawls or rollers engaging' the reducingra'tchet wheel', the driving" wheel," the locking plate andl one plate for simultaneously raisingk th'two pawl plates, respectively.
  • The" arrangement is completed by the addition of'r'atche'ts which prevent the back.
  • Figure 1 is a perspective view otone arrange'- ment according to the invention
  • Figure 2' is a" longitudinal cross section'of' a modied arrangement.
  • an arrn 2 ⁇ mounted on an" axle 3 has ⁇ imp'arte'dthereto' a tri-and-fro movement.
  • a'rnf' is mounted a rodj 4 which carries two pawl platt-.fsV V5'a'nd' '5" having several pawls or rollers.
  • 'Ihepa'wlA platesV can be raised' either both together 'by a general'st'opping plate 1, which is operated" by' raising the handle when it isV desired ⁇ to stop" orislispend'the progress of the vwashing operation, ⁇ or else each plate can Ybe raised' separately by' two locking plates 9 andl I0.
  • the pawlf platesv Ela'nd are each provided with fcuripavvls 5, 5', 5"' and -5V and 6', 6"', 6 and BY respectively.
  • the contacting points of' the'pawls' may comprise' a' roller.
  • each of thesewheels Hand I2 has one or more deeperteeth than the others', allowing the pavvl togfall further and todrive lby means of thefpawls 5" ⁇ and 6 driving ratchet wheels I4 and I5' which are secured-tothe shafts Sand which are repeatedior each bathcomprises the Y drivingvwheel lll secured to the shaft 3; the -reducing wheel Il,-the locking plate Irsecured tothe shaft 3 and the various cams such as IB for driving the operating members.
  • the second unit which relates to the operations which are repeated at each batch comprises the driving wheel I5 secured to the shaft I3, the reducing wheel I2, the locking plate 9 secured to the shaft I3 and the various cams such as I'I. Both units are supported on a frame I8.
  • Various pawls II', I4, I2 and I5' are mounted on a shaft I9 and prevent backward movement of the ratchet wheels during the backward movement of the arm 2.
  • the apparatus functions as follows: At the start of the rst bath, the articles to be washed being in the machine and the motor stopped, the pawl 5 of the pawl plate 5 is engaged in a notch in the plate 9.
  • the pawl 6"' of the pawl plate B is in the low position in the hollow of the plate I0, but is only a short distance from a raised portion of plate I as shown in Figure 1.
  • the reduction wheel I I As soon as the motor is started, the reduction wheel I I, at each deep tooth causes the wheel I4 to advance by one tooth, because if pawl 5' penetrates into a deep tooth, pawl 5 can drive wheel I4.
  • the shaft 3 rotates and the plate IE raises the pawl plate 6, pawl 6"' having reached the raised portion on plate IB.
  • the cams I6 have operated their members and have, for instance, closed the outlet, tilted the washing container, etc.
  • a hollow part on the plate I0 has again arrived in front of the pawl 6' of the pawl plate 6. This, by means of pawl 6 operates the wheel I2 which, having only one deep tooth causes the wheel l5 to advance by one tooth per revolution.
  • the plate 9 has distributed over its periphery a series of hollows which limit the duration of the different baths.
  • the duration of the bath is that of two revolutions of the wheel II, increased by that of ve revolutions of the wheel I2.
  • the plates 9 and I0 and the pawls 5 and 5" of the pawl plates have to be designed and constructed so as to avoid that when the arm 2 moves back, the pawl does not come in front of the-tooth of the plate, and causes the ill-timed advancing of the plate, and with it of the remainder of the mechanism.
  • FIG. 2 shows a modified embodiment.
  • the parts constituting the first unit comprise, as in Figure 1, the reduction wheel II, the driving wheel I4 and the plate Ill secured to the shaft 3 which carries the cams I6 which operate the members to be driven (not shown).
  • the pawl plate 5 formed of two parts, that is having the pawl 5' separated from the others.
  • This pawl 5" comes in contact with the plate 9 secured to the shaft I3, in the same way as the wheel I5 and the cams Il.
  • Between the plate 9 and the cams I'.” there is a plate 9 which is acted upon by a pawl 2i).
  • This plate 9 is toothed only on that part of the periphery which corresponds to the divisions which 9 will still have to cover to iinish a complete revolution after the various baths have terminated.
  • the plate 9 again begins to move; after ten movements of the arm 2, that is, after ten seconds, it brings its rst notch under the pawl 5 of the pawl; the wheel it turns and one of the cams I6 operates the members for emptying the container, the batch is finished.
  • the locking plate 9 and the cams II are mounted at one end of the shaft, so that they can be easily exchanged for other similar elements if it is desired to change the process of washing.
  • a multiple stage containing program control mechanism comprising two groups of rotating cams, two groups of ratchet wheels for respectively rotating said cams, two pawl plates for operating said two groups of ratchet wheels, a notched locking plate associated with each group oi ratchet wheels, the locking plate of one group acting upon the pawls of the other group and inversely in such a Way that the operation of one group causes the other group first to stop and then to be again operated, said other group causing then the one said group to stop, each said group of ratchet wheels comprising a speed reducing wheel and a driving wheel, the speed reducing wheels being so designed that the cams of one of said groups make a rotation during the duration of each stage and the cams of the other group make a rotation during the program.
  • a multiple stage containing program control mechanism comprising two groups of rotating cams, two groups of ratchet wheels for respectively rotating said cams, two pawl plates for operating said two groups of ratchet wheels, a notched locking plate associated with each group of ratchet wheels, the locking plate of one group acting upon the pawls of the other group and inversely in such a way that the operation of one group causes the other group first to stop and then to be again operated, said other group causing then the one said group to stop, each said group of ratchet wheels comprising a speed reducing wheel and a driving wheel, the speed reducing wheels being so designed that the cams of one of said groups make a rotation during the arredare duration orf-each stagcand .the cams of: the-other group. make. a rotation duringtheprogram and' anarm having a: toiandlfrofmovement for. operating said pawl plates.
  • a multiple-stage containing program control mechanism comprisingv two-,groups of rotating ca1ns two groups .of ratchet wheels: for respectively vrotating said-cams, two pawl'plates for Operating 'Said two.v groups ofv ratchet.. wheels, a notched locking plate assnciated with each group of ratchet wheels, the locking plate of one group actingv upon. the pawlsof the. other group and inversely in such a way that the operation of one groupcausesjthe other grouprst to stop and then to be again operated, said other group causing then the one said group.
  • each saidV group of' ratchet wheels comprising a speed reducing wheel and ⁇ a driving wheel, the speed reducing wheels being so designed that the cams of one of said groupsmake a rotation during the duration of each stage andthe cams of the other group make a rotation during the program and an armhaving a to andY fro movement for operating said pawl plates, said pawl'plates having three pawls, one of which acts upon said speed reduction wheel, another pawl acting upon the driving wheel and the third pawl of a plate acting upon the locking plate of the other group and inversely.
  • a multiple stage containing program control mechanism comprising two groups of rotating cams, two groups of ratchet wheels for respectively rotating said cams, two pawl plates for operating said two groups of ratchet wheels, a notched locking plate associated with each group of ratchet wheels, the locking plate of one group acting upon the pawls of the other group and inversely in such a way that the operation of one group causes the other group first to stop and then to be again operated, said other group causing then the one said group to stop, each said group of ratchet wheels comprising a speed reducing wheel and a driving wheel, the speed reducing wheels being so designed that the cams of one of said groups make a rotation during the duration of each stage and the cams of the other group make a rotation during the program and an arm having a to and fro movement for operating said pawl plates, said pawl plates having three pawls, one of which acts upon said speed reduction wheel, another pawl acting upon the driving wheel and the third pawl of a plate acting upon the locking
  • a multiple stage containing program control mechanism comprising two groups of rotating cams, two groups of ratchet wheels for respectively rotating said cams, two pawl plates for operating said two groups of ratchet wheels, a notched locking plate associated with each group of ratchet wheels, the locking plate of one group acting upon the pawls of the other group and inversely in such a way that the operation of one group causes the other group first to stop and then to be again operated, said other group causing then the one said group to stop, each said group of ratchet wheels comprising a speed reducing wheel and a driving wheel, the speed reducing wheels being so designed that the cams of one of said groups make a rotation during the duration of each stage and the cams of the other group make a rotation during the program and an .arm having ato andifrcr movementxfor operating said.
  • pawl. plates said pawl: .plates having three pawls, oneofl which actsv upon said speed reduction wheel, another pawl; vacting upon the driving wheel and the third pawl of a plate acting upon the locking plate vof the other group and inversely, an additional'cam associated with each group of ratchetwheels, andan additional pawl associated witheachpawlgplate for simultaneously raising said pawlplates, a shaft for each group of ratchet. ⁇ wheelson which are mounted said cams, the: said shafts being co-aXial.
  • pawl plates comprising a speed reducing wheel and a driving wheel, the speed reducing wheels being so designed that the cams of one of said groups make a rotation during the duration of each stage and the cams of the other group make a rotation during the program and an arm having a to and fro movement for operating said pawl plates, said pawl plates having three pawls, one of which acts upon said speed reduction wheel, another pawl acting upon the driving wheel and the third pawl of a plate acting upon the locking plate of the other group and inversely, an additional cam associated with each group of ratchet wheels and an additional pawl associated with each pawl plate for simultaneously raising said pawl plates, a shaft for each group of a ⁇ ratchet wheels on which are mounted said cams, the said shafts being parallel.
  • a multiple stage containing program control mechanism comprising two groups of rotating cams, two groups of ratchet wheels for respectively rotating said cams, two pawl plates for operating said two groups of ratchet wheels, a notched locking plate associated with each group of ratchet wheels; the loc-king plate of one group acting upon the pawls of the other group and inversely in such a way that the operation of one group causes the other group rst to stop and then to be again operated, said other group causing then the one said group to stop, each saidgroup of ratchet wheels comprising a speed reducing wheel and a driving wheel, the speed reducing wheels being so designed that the cams of one of said groups make a rotation during the duration of each stage and the cams of the other group make a rotation during the program and an arm having a to and fro movement for operating said pawl plates, said pawl plates having three pawls, one of which acts upon said speed reduction wheel, another pawl acting upon the locking plate of the other group and inversely,
  • a multiple stage containing program con trol mechanism comprising two groups of rotating cams, two groups of ratchet wheels for respectively rotating said cams, two pawl plates for operating said two groups of ratchet wheels, a notched locking plate associated with each group of ratchet wheels, the locking plate of one group acting upon the pawls of the other group and inversely in such a Way that the: operation of one group causes the other group first to stop and then to be again operated, said other group causing then the one said group to stop, each said group of ratchet wheels comprising a speed reducing wheel and a driving Wheel, the speed reducing wheels being so designed that the cams of one of said groups make a rotation during the duration of each stage and the cams of the other group make a rotation during the program and an arm having a to and fro movement for operating said pawl plates, said pawl plates having three pawls, one of which acts upon said speed reduction wheel, another pawl acting upon the locking plate of the other group and inversely, an

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Textile Engineering (AREA)
  • Transmission Devices (AREA)
  • Brushes (AREA)
  • External Artificial Organs (AREA)
US257255A 1950-12-09 1951-11-20 Program device Expired - Lifetime US2680379A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE721224X 1950-12-09

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US2680379A true US2680379A (en) 1954-06-08

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US257255A Expired - Lifetime US2680379A (en) 1950-12-09 1951-11-20 Program device

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US (1) US2680379A (no)
BE (1) BE499954A (no)
DE (1) DE889434C (no)
FR (1) FR1044513A (no)
GB (1) GB721224A (no)
NL (1) NL79074C (no)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2895337A (en) * 1956-10-18 1959-07-21 Toledo Scale Corp Permutation member tooth design
US3306118A (en) * 1963-09-07 1967-02-28 Controls Co Of America Process timers

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE974043C (de) * 1954-05-18 1960-08-25 Pfenningsberg Gmbh Maschfab Steuerung fuer vollautomatische Waschmaschinen
DE1062184B (de) * 1956-01-14 1959-07-23 Calor Emag Elektrizitaets Ag Steuerung fuer Zentrifugen, insbesondere Zuckerzentrifugen
DE1131309B (de) * 1956-03-08 1962-06-14 Metzenauer & Jung G M B H Programmschaltwerk mit Schrittschaltantrieb
CH654867A5 (de) * 1982-02-23 1986-03-14 Nill Werner Becken mit steuervorrichtung zur ausloesung von regulier- und/oder schaltvorgaengen.
FR2644008B1 (fr) * 1989-03-06 1991-05-31 Crouzet Sa Programmateur monobloc, notamment pour appareil electromenager
FR2654252B1 (fr) * 1989-11-09 1992-02-14 Sextant Avionique Programmateur, notamment pour appareil electromenager, a deux blocs couples localement dans un seul sens.

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1323216A (en) * 1919-11-25 cornwall and c
US1565336A (en) * 1924-05-16 1925-12-15 Hermann Seufert Film-feeding mechanism for cinematographs
US2042116A (en) * 1935-05-31 1936-05-26 Roy K Morris Mechanical movement
US2341669A (en) * 1940-08-19 1944-02-15 Townsend F Beaman Windshield wiper motor
US2344253A (en) * 1941-02-06 1944-03-14 Apex Electrical Mfg Co Laundry machine
US2380732A (en) * 1941-04-30 1945-07-31 Gen Electric Washing machine
US2597359A (en) * 1947-02-19 1952-05-20 Mcdonald Company Dishwashing apparatus
US2632332A (en) * 1948-06-19 1953-03-24 United Eng Foundry Co Tool feeding device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1323216A (en) * 1919-11-25 cornwall and c
US1565336A (en) * 1924-05-16 1925-12-15 Hermann Seufert Film-feeding mechanism for cinematographs
US2042116A (en) * 1935-05-31 1936-05-26 Roy K Morris Mechanical movement
US2341669A (en) * 1940-08-19 1944-02-15 Townsend F Beaman Windshield wiper motor
US2344253A (en) * 1941-02-06 1944-03-14 Apex Electrical Mfg Co Laundry machine
US2380732A (en) * 1941-04-30 1945-07-31 Gen Electric Washing machine
US2597359A (en) * 1947-02-19 1952-05-20 Mcdonald Company Dishwashing apparatus
US2632332A (en) * 1948-06-19 1953-03-24 United Eng Foundry Co Tool feeding device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2895337A (en) * 1956-10-18 1959-07-21 Toledo Scale Corp Permutation member tooth design
US3306118A (en) * 1963-09-07 1967-02-28 Controls Co Of America Process timers

Also Published As

Publication number Publication date
FR1044513A (fr) 1953-11-18
BE499954A (no)
GB721224A (en) 1955-01-05
NL79074C (no)
DE889434C (de) 1953-09-10

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