GB351230A - Improvements in or relating to electric switches for wireless receiving apparatus - Google Patents
Improvements in or relating to electric switches for wireless receiving apparatusInfo
- Publication number
- GB351230A GB351230A GB1803430A GB1803430A GB351230A GB 351230 A GB351230 A GB 351230A GB 1803430 A GB1803430 A GB 1803430A GB 1803430 A GB1803430 A GB 1803430A GB 351230 A GB351230 A GB 351230A
- Authority
- GB
- United Kingdom
- Prior art keywords
- ball
- sleeve
- recess
- spring
- switches
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
- H01H19/54—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand the operating part having at least five or an unspecified number of operative positions
- H01H19/60—Angularly-movable actuating part carrying no contacts
- H01H19/62—Contacts actuated by radial cams
Abstract
351,230. Snap - action switches. GENERAL ELECTRIC CO., Ltd., Magnet House, Kingsway, London, and CLARK, F., of General Electric Co., Stoke, Coventry. June 12, 1930, No. 18034. [Class 38 (v).] In an electric switch of the kind comprising one or more spring contacts adapted to be operated by displacement of a ball from a countersunk seat in a rotatable shaft, movement of the ball effects movement of a stem in a hollow guide to effect operation of the contacts. Insulating blocks 7, 8 carrying contact springs 12, 10 are mounted on a base 6 through which passes a screwed sleeve 13 held in place by a nut 14. Sliding in the sleeve 13 is a pin carrying a disc 21 and an insulating disc 22. A coiled spring inside the sleeve forces the pin and the discs 21, 22 downwards against a ball 17 which is partly inside the sleeve. The ball 17 rests against an operating spindle 2 having bearings at 3 and provided with a large recess 23 and a small recess 24 diametrically opposite each other. When the ball 17 rests in the large recess 23 the contactpoints 13 are allowed to separate. On rotating the shaft until the ball 17 enters the small recess 24, the spring 12 is moved upwards to close the circuit. A number of such switches may be mounted for operation by a common spindle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1803430A GB351230A (en) | 1930-06-12 | 1930-06-12 | Improvements in or relating to electric switches for wireless receiving apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1803430A GB351230A (en) | 1930-06-12 | 1930-06-12 | Improvements in or relating to electric switches for wireless receiving apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB351230A true GB351230A (en) | 1931-06-25 |
Family
ID=10105483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1803430A Expired GB351230A (en) | 1930-06-12 | 1930-06-12 | Improvements in or relating to electric switches for wireless receiving apparatus |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB351230A (en) |
-
1930
- 1930-06-12 GB GB1803430A patent/GB351230A/en not_active Expired
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