Combined roller and push switch assembly
US6974921B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 4, 2004 |
| Grant date | Dec 13, 2005 |
| Priority date | — |
| Expiry date | Apr 27, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2225/61
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A combined roller and push switch assembly includes a substantially hollow wheel-like roller member being displaceable from an initial position to a displaced position. The combined roller and push switch assembly further includes a member for returning the roller member from the displaced position to the initial position, the returning member is a resilient member being at least partly encircled by the roller member, and a coding member for detecting rotation of the roller member in relation to an associated frame. In particular, the combined roller and push switch assembly further including a switch for indicating when the roller member is in the displaced position, the switch being at least partly encircled by the roller member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.