Apparatus for holding lenses and method for use thereof
US7326104B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 3, 2006 |
| Grant date | Feb 5, 2008 |
| Priority date | — |
| Expiry date | Oct 3, 2026 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB24B41/06
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
An apparatus for holding a plurality of lenses, including: a block having a mounting surface; a cavity defined in the block at the mounting surface; and a through hole defined in the block, the through hole being in communication with the cavity, wherein the mounting surface is configured for mounting of the lenses thereon whereby the lenses cooperatively substantially close the cavity at the mounting surface. Because of the cavity has a vacuum therein, the lenses can be retainable attached on the mounting surface by means of the vacuum.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.