Photographic apparatus gear train having a unique set of gears

Details Photographic apparatus gear train having a unique set of gears Photographic apparatus gear train having a unique set of gears

1976-01-13

1977-09-27

Hix, L. T.

74462, G03B 1750

Patent

active

040514927

ABSTRACT:
A pair of meshing gears, having unique tooth profiles, are provided in a separable gear train which is usable in a self-developing camera to couple a motor in one housing section of the camera to at least one of a pair of pressure-applying rollers mounted on a second camera housing section that is pivotally coupled to the first section for movement between positions blocking and unblocking access to a film container receiving section in the first housing section. The pair of gears have a speed ratio of other than 1:1 and equal tip spacing to facilitate bringing the pair of gears into operative mesh when the second housing section is moved to the operative blocking position.

REFERENCES:
patent: 2220419 (1940-11-01), Meldahl
patent: 3936847 (1976-02-01), Erlichman

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