GB571964A - Improvements in or relating to electrical switches - Google Patents
Improvements in or relating to electrical switchesInfo
- Publication number
- GB571964A GB571964A GB2147943A GB2147943A GB571964A GB 571964 A GB571964 A GB 571964A GB 2147943 A GB2147943 A GB 2147943A GB 2147943 A GB2147943 A GB 2147943A GB 571964 A GB571964 A GB 571964A
- Authority
- GB
- United Kingdom
- Prior art keywords
- roller
- snap
- handle
- spring
- action
- 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
- H01H23/00—Tumbler or rocker switches, i.e. switches characterised by being operated by rocking an operating member in the form of a rocker button
- H01H23/02—Details
- H01H23/12—Movable parts; Contacts mounted thereon
- H01H23/16—Driving mechanisms
Landscapes
- Mechanisms For Operating Contacts (AREA)
- Cleaning In General (AREA)
- Pinball Game Machines (AREA)
Abstract
571,964. Snap-action switches. SMART & BROWN (ENGINEERS), Ltd., and SONNENFELD, H. Dec. 22, 1943, No. 21479. [Class 38 (v)] A snap-action switch comprises a conducting roller 1 (or ball) which, in the closed position shown, bridges two spring contacts 2. An upward movement of the handle 10 rolls the roller over the shaped surface 3 until, when it reaches the peak and the contacts are about to separate, the spring 5 is fully compressed. A slight further push unloads the spring 5 and the roller 1 rapidly rolls onto an " off " stop 7 of cork or rubber. In Fig. 2 the surface 3 is on a member 16 freely pivoted at 17. In another modification, Figs. 3, 4 (not shown), the roller is rigid with the handle and the snap-action is obtained from a movable track mounted on one or a pair of springs. The trunnions 13, forming the pivotal mounting for handle 10 engage grooves 14 in the removable face plate 12. Self-cleaning of the roller 1 is obtained from abrasive material arranged on the track or so as to contact the roller in the " off position. The line of the peak may be slightly out of the parallel, so as to present " faltering" at that point of the movement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2147943A GB571964A (en) | 1943-12-22 | 1943-12-22 | Improvements in or relating to electrical switches |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2147943A GB571964A (en) | 1943-12-22 | 1943-12-22 | Improvements in or relating to electrical switches |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB571964A true GB571964A (en) | 1945-09-17 |
Family
ID=10163636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2147943A Expired GB571964A (en) | 1943-12-22 | 1943-12-22 | Improvements in or relating to electrical switches |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB571964A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2512490A1 (en) * | 1975-03-21 | 1976-05-26 | Finsterhoelzl Rafi Elekt | Rocker switch with switching lever - has locking bolt in inner lever end with two lugs as bearing elements |
-
1943
- 1943-12-22 GB GB2147943A patent/GB571964A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2512490A1 (en) * | 1975-03-21 | 1976-05-26 | Finsterhoelzl Rafi Elekt | Rocker switch with switching lever - has locking bolt in inner lever end with two lugs as bearing elements |
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