Film edge driving film loader, film loading method and camera frame assembly
US6094533A · kind A · utility
4Cited by
50References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 12, 1998 |
| Grant date | Jul 25, 2000 |
| Priority date | — |
| Expiry date | Jun 12, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B17/26
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A film edge driving film loader, film loading method, and related camera frame assembly. In the method, a filmstrip is loaded in a film roll chamber. The film roll chamber has a central axis. The filmstrip has a central region and a pair of opposed edges. The method includes the steps of: transporting the filmstrip into the film roll chamber; cinching a leading portion of the filmstrip; winding the filmstrip into a film roll about the axis; and during said cinching and winding steps, engaging the filmstrip only along a pair of opposed edges of the filmstrip.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.