Camera operating mechanism

Details Camera operating mechanism Camera operating mechanism

1989-11-20

1991-04-02

Hix, L. T.

354213, 354215, 354217, G03B 1742, G03B 162, G03B 100, G03B 1736

Patent

active

050050354

ABSTRACT:
Operating mechanism for cameras, particularly of the single use type, in which a first gear wheel depressed by the shutter release button thus unblocks a spring biased slide member initially blocked against movement by engagement of an edge of the slide member with the periphery of the gear wheel. Upon release, the slide member moves partially over the gear wheel and blocks the wheel's spring biased movement to its original position. The slide member actuates the shutter in the course of such movement. A second gear wheel, meshing with the first gear wheel, lies below the slide member and carries a cam which lies in an opening in the slide member and engages the slide member to move it back to its original position when the first gear wheel is rotated by the user to transport film to the next exposure. Lugs carried by the slide member and the second gear wheel cooperate to limit rotation of the gear wheels to that appropriate to film transport to the next exposure. A counter is driven by rotation of the gear wheels.

REFERENCES:
patent: 4057814 (1977-11-01), Grunbacher et al.

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