Article holding apparatus and its use
US4652135A · kind A · utility
8Cited by
4References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 3, 1986 |
| Grant date | Mar 24, 1987 |
| Priority date | — |
| Expiry date | Jul 3, 2006 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB28D5/0082
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An article holding apparatus provided with a plate on which an article is placed. A light transmitting opening is formed in the plate. There is provided an optical system optically connected to the light transmitting opening. Reflection light from a part of the undersurface of the article placed on the plate comes into the optical system through the light transmitting opening.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.