GB960694A - Improvements in or relating to clockwork actuated switch mechanism for controlling different circuits - Google Patents

Improvements in or relating to clockwork actuated switch mechanism for controlling different circuits

Info

Publication number
GB960694A
GB960694A GB3177359A GB3177359A GB960694A GB 960694 A GB960694 A GB 960694A GB 3177359 A GB3177359 A GB 3177359A GB 3177359 A GB3177359 A GB 3177359A GB 960694 A GB960694 A GB 960694A
Authority
GB
United Kingdom
Prior art keywords
escapement
actuated switch
relating
sept
switch mechanism
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
GB3177359A
Inventor
Tom Bowen
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.)
S Smith and Sons Ltd
S Smith and Sons England Ltd
Original Assignee
S Smith and Sons Ltd
S Smith and Sons England Ltd
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 S Smith and Sons Ltd, S Smith and Sons England Ltd filed Critical S Smith and Sons Ltd
Priority to GB3177359A priority Critical patent/GB960694A/en
Publication of GB960694A publication Critical patent/GB960694A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F3/00—Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals with driving mechanisms, e.g. dosimeters with clockwork
    • G04F3/02—Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals with driving mechanisms, e.g. dosimeters with clockwork with mechanical driving mechanisms
    • G04F3/027—Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals with driving mechanisms, e.g. dosimeters with clockwork with mechanical driving mechanisms using electrical contacts, e.g. for actuating electro-acoustic device

Abstract

960,694. Retractive switches. S. SMITH & SONS (ENGLAND) Ltd. Sept. 19, 1960 [Sept. 17, 1959], No. 31773/59. Drawings to Specification. Heading H2B. A time delay switch has a single switch actuating member movable by hand in either direction against a spring to an extent dependent on the time lag required, the mechanism incorporating an escapement having a one-way clutch such that the manual actuation is free of the escapement but the return of the mechanism to the zero (centre) position is under control of the escapement. The last portion of movement to the zero position is not under control of the escapement and takes place quickly to operate the actuated switch. In a preferred embodiment mutilated gear-wheels are used to free the final portion of the movement from the escapement and the one-way clutch action is provided by allowing a pinion engaging with the mutilated gear to ratchet over its teeth. The mechanism is illustrated in the Specification in exploded form.
GB3177359A 1959-09-17 1959-09-17 Improvements in or relating to clockwork actuated switch mechanism for controlling different circuits Expired GB960694A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3177359A GB960694A (en) 1959-09-17 1959-09-17 Improvements in or relating to clockwork actuated switch mechanism for controlling different circuits

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3177359A GB960694A (en) 1959-09-17 1959-09-17 Improvements in or relating to clockwork actuated switch mechanism for controlling different circuits

Publications (1)

Publication Number Publication Date
GB960694A true GB960694A (en) 1964-06-17

Family

ID=10328186

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3177359A Expired GB960694A (en) 1959-09-17 1959-09-17 Improvements in or relating to clockwork actuated switch mechanism for controlling different circuits

Country Status (1)

Country Link
GB (1) GB960694A (en)

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