Switch device
US5521347A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 23, 1994 |
| Grant date | May 28, 1996 |
| Priority date | — |
| Expiry date | Nov 23, 2014 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H13/60
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A switch device includes an automatic return type operating piece depressed to move and automatically returned to an original position, a swinging member swingably mounted on a shaft, the swinging member being swung in opposite directions alternately whenever depressed by the operating piece, an articulation piece provided at the end portion of the swinging member in such a manner that the articulation piece is urged towards the front end thereof, and a V-shaped articulation member having a top and two slopes, functioning to hold the swinging member at one of two swing positions with the articulation piece abutted against one of the two slopes, and to hold the swinging member at the other swing position with the articulation piece abutted against the other slope so as to achieve, a switching operation, wherein two member selected from the group consisting of the push rod, the center of rotation of the swinging member, and the top of the V-shaped articulation member are arranged on one and the same straight line, and a remaining member is shifted slightly from the straight line.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.