Film advance in a pump camera
US5765066A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 22, 1995 |
| Grant date | Jun 9, 1998 |
| Priority date | — |
| Expiry date | Dec 22, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B17/42
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A camera having a body portion with a cartridge chamber for retaining a film cartridge and a film chamber for retaining a filmstrip includes a cover coupled to the body portion and movable in opposite directions between an opened and a closed position having a gear rack having a set of linearly arranged engagement teeth. A drive gear having an engaging portion for engaging the film cartridge is moved into engagement with the gear rack to wind the filmstrip into the film cartridge when said cover is moved in one of the opposite directions, and is moved out of engagement with the gear rack when the cover is moved in the other direction to prevent film winding.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.