Camera with mechanism for operating a light block lid of a film cartridge
US6018634A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 27, 1997 |
| Grant date | Jan 25, 2000 |
| Priority date | — |
| Expiry date | Jan 27, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B2217/268
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A camera mountable with a film cartridge having a light block lid rotatable about a vertical axis to open and close the film cartridge. The camera includes a cartridge chamber with accommodates the film cartridge, an engaging member which is rotatably provided in the cartridge chamber and engageable with the light blocking lid when the film cartridge is place in the cartridge chamber, and an actuator which actuates the engaging member to open and close the light blocking lid. The actuator includes a motor which generates a driving force, a crank member driven by the motor, and a link member which operatively connects the crank member with the engaging member. A fork is provided in the cartridge chamber which is engageable with a spool provided in the film cartridge, and a film take-up chamber is provided with a take-up spool for taking up the film. A transmission mechanism transmits a driving force from the motor to the crank member, the take-up spool and the fork, and has a first transmission route transmitting the driving force to the crank member, a second transmission route transmitting the driving force to the take-up spool to wind the film, and a third transmission route tran…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.