Automatic lens blocking apparatus
US7532315B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 5, 2007 |
| Grant date | May 12, 2009 |
| Priority date | — |
| Expiry date | Dec 26, 2027 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB24B13/005
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
An automatic lens blocking apparatus having a tracer and a lensmeter therein, for adhering a block to a lens by using a robot arm, is disclosed. The automatic lens blocking apparatus comprises: a tracer for obtaining data on a shape of a glass frame and data on a center of the glass frame; a lensmeter for obtaining data on an optical center of a blank lens by measuring physical property of the blank lens; an image camera part for obtaining an image of a shape and a position of the blank lens; and a blocker (a) for determining a blocking position to which a block is adhered on the basis of (i) the data on the shape of the glass frame and the data on the center of the glass frame obtained from the tracer, (ii) the data on the optical center of the blank lens and physical property of the blank lens obtained from the lensmeter and (iii) the image of the shape and the position of the blank lens obtained from the image camera part, (b) for moving the block and (c) for adhering the block to the blank lens.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.