Camera autowind gear mechanism

Details Camera autowind gear mechanism Camera autowind gear mechanism

1995-03-13

1996-06-25

Hayes, Monroe H.

354214, G03B 118

Patent

active

055305024

ABSTRACT:
An autowind gear mechanism in a camera housing includes a harmonic gear reducer having a ring gear that walks a planet gear around a stationary sun gear to thereby move a film spool coupled to the planet gear and move a photographic film roll attached to the film spool. The ring gear has a circular outer circumference and an offset inner bore. The planet gear sits within the inner bore of the ring gear. The outer circumference of the ring gear is couple to a film drive motor, which causes rotation of the ring gear, thereby driving the planet gear, which then walks around the sun gear in an eccentric motion.

REFERENCES:
patent: 3736015 (1973-05-01), Dierks et al.
patent: 4322149 (1982-03-01), Maida
patent: 5091740 (1992-02-01), Hori
patent: 5307102 (1994-04-01), Ohara

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