Shutter assembly
US7661887B2 · kind B2 · utility
8Cited by
9References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 20, 2008 |
| Grant date | Feb 16, 2010 |
| Priority date | — |
| Expiry date | Jun 20, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B2006/4297
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
According to the shutter assembly of the present invention, since the guide groove for facilitating the insertion of the pivot shaft into the bearing hole of the second bearing part of the shutter member is formed at the opposing end surface of the second bearing part that faces to the first bearing part of the shutter member so that the guide groove is opened to the opposing end surface and is along the direction orthogonal to the axial-line direction of the pivot shaft, it is possible to easily and accurately form the guide groove.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.