Centering photographic material spooling device
US6338452B1 · kind B1 · utility
10Cited by
24References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 15, 1999 |
| Grant date | Jan 15, 2002 |
| Priority date | — |
| Expiry date | Sep 15, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03D13/005
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A centering photographic material winding device for the winding or unwinding of a photographic material web onto or from a winding core. The winding device includes a winding core seat which is adapted for receiving a winding core moveable on the winding core seat. The winding core is centered by two push members which are coupled in their movement for the displacement and centering of a winding core received on the winding core seat between the push members in that the push members evenly move towards one another.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.