GB598452A - Improvements relating to electric press button switches - Google Patents
Improvements relating to electric press button switchesInfo
- Publication number
- GB598452A GB598452A GB2274445A GB2274445A GB598452A GB 598452 A GB598452 A GB 598452A GB 2274445 A GB2274445 A GB 2274445A GB 2274445 A GB2274445 A GB 2274445A GB 598452 A GB598452 A GB 598452A
- Authority
- GB
- United Kingdom
- Prior art keywords
- balls
- insulating
- springs
- button
- switch
- 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
- 210000000614 Ribs Anatomy 0.000 abstract 2
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/023—Light-emitting indicators
Abstract
598,452. Press-button retractive switches. SIEMENS BROS. & CO., Ltd., and GACHET, E. J. Sept. 4, 1945, No. 22744. [Class 38(v)] The button of a press-button. switch comprises a clear or coloured translucent part 9 and an opaque tip 20 illuminated from behind by a lamp 24. A tubular part 11 of the button moves within a circular hole in the insulating switch body 1, and has lateral ribs 12 moving in axial slots 8 in the body 1. Panel-mounting projections 4 are provided at one end of the body 1 and contact springs 5, 6 are clamped by insulating plates 7 in slots in projections 3 at the other end. In a break action switch, conducting balls 13, trapped in holes in the ribs 12 and normally bridging springs 5, 6, are caused to break contact when larger similarly-trapped insulating balls 14 force the springs 5, 6 apart. The balls 14 are normally spaced from one or both springs 5, 6 and the balls 13 are trapped in holes large enough to avoid movement until the contacts separate. Balls 14 are conductive and balls 13 insulating in a " make " switch. The lamp 24 may be held in a jack assembly comprising an insulating cup 21 held in place by a spring clip 25 engaging a groove 26 and secured to the body 1. The part 9 may be coloured only on the interior face.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB598452A true GB598452A (en) | 1948-02-18 |
Family
ID=1737158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2274445A Expired GB598452A (en) | 1945-09-04 | Improvements relating to electric press button switches |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB598452A (en) |
-
1945
- 1945-09-04 GB GB2274445A patent/GB598452A/en not_active Expired
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