Interlock device and image forming apparatus incorporating same
US8311438B2 · kind B2 · utility
2Cited by
3References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 17, 2010 |
| Grant date | Nov 13, 2012 |
| Priority date | — |
| Expiry date | May 21, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2221/169
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
In an interlock device for turning a switch on and off in accordance with closing and opening of a plurality of covers covering a body of an electronic apparatus, one striker protrudes from each of the covers. An engagement member is provided inside the body of the electronic apparatus to move in a predetermined direction to contact and separate from the switch to turn the switch on and off. All the strikers contact the engagement member to turn on the switch when all the covers are closed. At least one of the strikers separates from the engagement member to turn off the switch when the corresponding cover is opened.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.