Idler roller mounting arrangement for sound motion picture film

Details Idler roller mounting arrangement for sound motion picture film Idler roller mounting arrangement for sound motion picture film

1977-01-04

1979-02-20

Hayes, Monroe H.

Optics: motion pictures

With film treating or working

352 78R, G03B 2302

Patent

active

041403754

ABSTRACT:
A mounting arrangement is provided for supporting an idler roller which is adapted to backup a constant speed drive capstan in a multipurpose photographic film cassette having a sound capability. The roller support includes a C-shaped bracket having an intermediate leg and upper and lower legs which extend respectively above and below the roller and which are provided with openings to receive and support a mounting pin which extends through a central opening in the roller. The lower leg is attached to a sidewall of the housing and the upper leg is provided with an extension which is adapted to engage a structural portion of the cassette in a manner to resist the force imparted to the upper end of the idler roller mounting pin by the drive capstan.

REFERENCES:
patent: 3544205 (1970-12-01), Bogdanowicz
patent: 3867021 (1975-02-01), Mueller
patent: 3905690 (1975-09-01), Scholz

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