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 circuitsInfo
- 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
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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Predetermined Time Intervals (AREA)
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.
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) |
-
1959
- 1959-09-17 GB GB3177359A patent/GB960694A/en not_active Expired
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