GB1276957A - Time switches - Google Patents

Time switches

Info

Publication number
GB1276957A
GB1276957A GB3733670A GB3733670A GB1276957A GB 1276957 A GB1276957 A GB 1276957A GB 3733670 A GB3733670 A GB 3733670A GB 3733670 A GB3733670 A GB 3733670A GB 1276957 A GB1276957 A GB 1276957A
Authority
GB
United Kingdom
Prior art keywords
shaft
spring
rotor
carried
operates
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
GB3733670A
Inventor
Wilhelm Weihrauch
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.)
Landis and Gyr AG
Original Assignee
Landis and Gyr AG
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 Landis and Gyr AG filed Critical Landis and Gyr AG
Publication of GB1276957A publication Critical patent/GB1276957A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C23/00—Clocks with attached or built-in means operating any device at preselected times or after preselected time-intervals
    • G04C23/02—Constructional details
    • G04C23/10—Constructional details for actuating any element which operates, or initiates the operation of, the device concerned
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H5/00—Snap-action arrangements, i.e. in which during a single opening operation or a single closing operation energy is first stored and then released to produce or assist the contact movement
    • H01H5/04—Energy stored by deformation of elastic members
    • H01H5/14—Energy stored by deformation of elastic members by twisting of torsion members
    • H01H5/16—Energy stored by deformation of elastic members by twisting of torsion members with auxiliary means for temporarily holding parts until torsion member is sufficiently strained

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Measurement Of Predetermined Time Intervals (AREA)

Abstract

1276957 Time switches LANDIS & GYR AG 3 Aug 1970 [8 Aug 1969] 37336/70 Heading H1N Each time an adjustable tappet carried by a timing disc (not shown) passes a star wheel (not shown) carried on a shaft 3, the shaft 3 is rotated through a predetermined angle to wind up a spring 9 but before the spring is fully wound it is released by a mechanism actuated before the shaft has rotated through the predetermined angle. The spring 9 is secured to a shaft 6 and to a rotor 7. Shaft 6 is coupled to shaft 3 by gearing 4, 5. As shaft 6 rotates from the position shown a stop 13 carried by a plate 14 is moved out of co-operating engagement with an outer radial projection 12 of rotor 7 to permit spring 9 to rapidly rotate the rotor until it is arrested when an inner radial projection thereof co-operates with stop 13. Plate 14 and stop 13 are reciprocated by a cam 15 carried by the shaft 6 which co-operates with a pair of rotary discs 16, 17 on the plate 14. Rotor 7 co-operates with a contact spring cam follower 19.
GB3733670A 1969-08-08 1970-08-03 Time switches Expired GB1276957A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1209769A CH508933A (en) 1969-08-08 1969-08-08 Time switch

Publications (1)

Publication Number Publication Date
GB1276957A true GB1276957A (en) 1972-06-07

Family

ID=4379829

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3733670A Expired GB1276957A (en) 1969-08-08 1970-08-03 Time switches

Country Status (2)

Country Link
CH (3) CH508933A (en)
GB (1) GB1276957A (en)

Also Published As

Publication number Publication date
CH1209769A4 (en) 1971-02-26
CH511504A (en) 1971-08-15
CH508933A (en) 1971-02-26

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees