GB1010305A - Improvements in or relating to timing mechanisms - Google Patents

Improvements in or relating to timing mechanisms

Info

Publication number
GB1010305A
GB1010305A GB34960/62A GB3496062A GB1010305A GB 1010305 A GB1010305 A GB 1010305A GB 34960/62 A GB34960/62 A GB 34960/62A GB 3496062 A GB3496062 A GB 3496062A GB 1010305 A GB1010305 A GB 1010305A
Authority
GB
United Kingdom
Prior art keywords
switches
slots
belt
cycle
move
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
Application number
GB34960/62A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Maytag Corp
Original Assignee
Maytag Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Maytag Corp filed Critical Maytag Corp
Publication of GB1010305A publication Critical patent/GB1010305A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H01H43/24—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 non-rotatable moving part

Landscapes

  • Sewing Machines And Sewing (AREA)
  • Screen Printers (AREA)
  • Transmission Devices (AREA)

Abstract

1,010,305. Stencil switches; time switches. MAYTAG CO. Sept. 13, 1962 [Oct. 13, 1961], No. 34960/62. Heading H2B. [Also in Division G3] A programme timer comprising a plurality of switches 30, 30<SP>1</SP> operated by slots 46 in a belt 17 driven by a motor 20 through epicyclic gearing 21 is provided with means for automatically advancing the belt rapidly over predetermined parts of the cycle, for example, to ensure simultaneous operation of switches without the extreme accuracy of alignment of slots 46 which would be required at the slower speed. The switches 30 (shown on an enlarged scale in Fig. 3) comprise contacts 33, 34 bridged by members 36 while the cam followers 44 encounter slots 46. The end 86 of a spring- urged lever 83 is positioned to co-operate with slots 91 near the edge of belt 17 such that the presence of a slot 91 allows the other end of the lever to move into the path of mechanism (Fig. 2, not shown) to effect removal of a friction brake from gearing 21 and produce a higher transmission speed. A retractive plunger 100 may be held depressed manually to give the same effect if it is desired to move the belt 17 rapidly to a certain position in the cycle; this operation also opens a switch 110 to disconnect the power supply from the switches 30, 30<SP>1</SP> until the desired position has been reached. Instead of slots 46, rises may be provided on the belt 17, to lift the cam followers 44.
GB34960/62A 1961-10-13 1962-09-13 Improvements in or relating to timing mechanisms Expired GB1010305A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US144874A US3178525A (en) 1961-10-13 1961-10-13 Timing belt operated switches and switch mechanism

Publications (1)

Publication Number Publication Date
GB1010305A true GB1010305A (en) 1965-11-17

Family

ID=22510522

Family Applications (1)

Application Number Title Priority Date Filing Date
GB34960/62A Expired GB1010305A (en) 1961-10-13 1962-09-13 Improvements in or relating to timing mechanisms

Country Status (4)

Country Link
US (1) US3178525A (en)
DE (1) DE1540677A1 (en)
GB (1) GB1010305A (en)
SE (1) SE306573B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3273421A (en) * 1963-06-04 1966-09-20 Maytag Co Timer transmission
US3566052A (en) * 1968-10-10 1971-02-23 Viewlex Inc Program control means

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1641658A (en) * 1927-09-06 Paper-break detector switch
US702808A (en) * 1901-08-16 1902-06-17 James O Lyman Electric program-clock.
US2625222A (en) * 1947-01-27 1953-01-13 Hugh M Frye Sr Program alarm device
US2531138A (en) * 1949-03-09 1950-11-21 Richard H Lehde Timing apparatus
US2870834A (en) * 1955-01-31 1959-01-27 Gen Motors Corp Two speed timer
US2889427A (en) * 1958-07-09 1959-06-02 Freedman Robert Straight line switch

Also Published As

Publication number Publication date
SE306573B (en) 1968-12-02
DE1540677A1 (en) 1969-06-12
US3178525A (en) 1965-04-13

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