Lever cocking apparatus

Details Lever cocking apparatus Lever cocking apparatus

1997-12-18

1999-02-09

Lee, Eddie C.

Photography

With film drive

Film transport cocks shutter

396411, 396443, G03B 1742, G03B 900

Patent

active

058706402

ABSTRACT:
A cocking apparatus for moving a lever between a cocked position and a rest position. In a camera, the lever may be used to momentarily move a shutter member away from a lens opening of a camera. The cocking apparatus includes a drive gear, a driven gear having a contact surface for cooperation with the lever, and a resilient member biasing the lever in the rest position. The driven gear is biased in a first position wherein the drive gear and driven gear define a plane. A tooth portion of the driven gear, meshable with gear teeth of the drive gear when the drive gear and driven gear define the plane, effects pivoting of the lever from the rest position to the cocked position. A cam surface disposed on the driven gear translates the driven gear along its rotational axis to space the driven gear from the drive gear when the lever moves from the cocked position to the rest position.

REFERENCES:
patent: 4193678 (1980-03-01), Son
patent: 4322152 (1982-03-01), Satoh et al.
patent: 5005034 (1991-04-01), Chan
patent: 5025277 (1991-06-01), Inoue et al.
patent: 5446513 (1995-08-01), Sato
patent: 5555053 (1996-09-01), Stephenson

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