Holding device for a spectacle glass
US6419570B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 8, 2001 |
| Grant date | Jul 16, 2002 |
| Priority date | — |
| Expiry date | Feb 8, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB24B9/146
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
Holding device for a spectacle lens for the purpose of inserting and removing the spectacle lens into or from a container and/or of mounting and removing it on or from a spectacle lens holding shaft of a spectacle lens edge processing machine by means of a handling apparatus, which holding device comprises a base which is held by the handling apparatus and has a depression, a controllable vacuum-pressure connection at the depression, and a spherical cap, which is arranged in the depression, bears tightly against an annular surface of the depression and has an opening to the depression and a sealing region at the edge of the spherical cap for the purpose of bearing against an optical surface of the spectacle lens.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.