GB1235114A - Pushbutton assemblies - Google Patents
Pushbutton assembliesInfo
- Publication number
- GB1235114A GB1235114A GB3614067A GB3614067A GB1235114A GB 1235114 A GB1235114 A GB 1235114A GB 3614067 A GB3614067 A GB 3614067A GB 3614067 A GB3614067 A GB 3614067A GB 1235114 A GB1235114 A GB 1235114A
- Authority
- GB
- United Kingdom
- Prior art keywords
- push
- button
- sleeve
- slots
- projections
- 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
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
- H01H3/022—Emergency operating parts, e.g. for stop-switch in dangerous conditions
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
- H01H3/022—Emergency operating parts, e.g. for stop-switch in dangerous conditions
- H01H2003/0246—Resetting of bistable emergency operating part by rotating itself or an accessory
Landscapes
- Mechanical Control Devices (AREA)
Abstract
1,235,114. Releasable fastenings. BROOKHIRST IGRANIC Ltd. 18 July, 1968 [7 Aug., 1967], No. 36140/67. Heading E2A. [Also in Division H1] A latching push-button assembly comprises a base 10, a push-button 11 and a sleeve 12, the sleeve being partially rotatable relative to the push-button, when the push-button is depressed, to latch it in the depressed position. As shown, in a self-latching push-button assembly, the shaft 21 is secured against rotation and has, riveted to it, a latch plate 24 with the two slots sildable over projections 34, 35 on the inside of sleeve 12. Sleeve 12 normally tends to be rotated by a torsion spring 32 but is prevented from rotating by the slots in plate 24 engaging projections 34, 35. When pushbutton 11 is depressed, projections 34, 35 are disengaged from the slots and sleeve 12 is rotated by spring 32 until arrested by a stop. The absence of alignment between the slots in plate 24 and projections 34, 35 prevents retraction of the push-button. Sleeve 12 must be rotated by hand until the slots and projections are again in alignment before the push-button can retract, under the action of spring 26.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3614067A GB1235114A (en) | 1967-08-07 | 1967-08-07 | Pushbutton assemblies |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3614067A GB1235114A (en) | 1967-08-07 | 1967-08-07 | Pushbutton assemblies |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1235114A true GB1235114A (en) | 1971-06-09 |
Family
ID=10385362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3614067A Expired GB1235114A (en) | 1967-08-07 | 1967-08-07 | Pushbutton assemblies |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1235114A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2212626A1 (en) * | 1972-12-28 | 1974-07-26 | Finsterhoelzl Rafi Elekt | |
| US4431881A (en) * | 1980-01-22 | 1984-02-14 | Siemens Aktiengesellschaft | Pushbutton drive for key contacts |
| US4733035A (en) * | 1986-01-28 | 1988-03-22 | Nihon Kaiheiki Industrial Co., Ltd. | Switch with device for preventing erroneous operation |
| US5145058A (en) * | 1991-07-16 | 1992-09-08 | Lee Sam San | Notebook computer key |
-
1967
- 1967-08-07 GB GB3614067A patent/GB1235114A/en not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2212626A1 (en) * | 1972-12-28 | 1974-07-26 | Finsterhoelzl Rafi Elekt | |
| US4431881A (en) * | 1980-01-22 | 1984-02-14 | Siemens Aktiengesellschaft | Pushbutton drive for key contacts |
| US4733035A (en) * | 1986-01-28 | 1988-03-22 | Nihon Kaiheiki Industrial Co., Ltd. | Switch with device for preventing erroneous operation |
| US5145058A (en) * | 1991-07-16 | 1992-09-08 | Lee Sam San | Notebook computer key |
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