Automatic constant pressure polishing apparatus for improving surface accuracy of lens
US8167682B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 14, 2007 |
| Grant date | May 1, 2012 |
| Priority date | — |
| Expiry date | Sep 15, 2029 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB24B49/16
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
Disclosed is an automatic constant pressure polishing apparatus. The automatic constant pressure polishing apparatus comprises a housing having a hollow section therein, a rubber pad installed in the housing and having superior expansion and contraction characteristics, a pressure fixture having a male screw section, which is formed on an outer peripheral surface thereof in order to press and fix the rubber pad, and a central hole formed at a central portion thereof, a slider screw-coupled into the housing to adjust pressure in the housing according to a rotational degree of the rotating shaft, and a polishing pad installed at a front end portion of the housing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.