One-time-use camera with film winding thumbwheel removable to unload exposed film roll
US5974266A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 4, 1998 |
| Grant date | Oct 26, 1999 |
| Priority date | — |
| Expiry date | Aug 4, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B2219/045
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A camera comprising a main body part having a chamber for holding an exposed filmstrip wound into a exposed film roll, and a film winding thumbwheel for winding the exposed filmstrip into the exposed film roll, is characterized in that the main body part has a film egress opening at one end of the chamber which is dimensioned to allow the exposed film roll to be unloaded from the chamber through the film egress opening, and the film winding thumbwheel light-tightly seals the chamber at the film egress opening and is removable to permit the exposed film roll to be unloaded from the chamber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.