Self developing type photographic apparatus
US4165931A · kind A · utility
4Cited by
5References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 23, 1975 |
| Grant date | Aug 28, 1979 |
| Priority date | — |
| Expiry date | Oct 23, 1995 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B17/52
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A self developing type photographic apparatus wherein one of the spread rollers is driven by one or two toothed racks forming part of or constituting a manually reciprocable handle. One of the racks further rotates a gear which programs the movements of an expelling device for exposed film units, the movements of a device which controls the width of the gap between the spread rollers and the cocking of the shutter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.