Film transporting system for camera using three different transp

Details Film transporting system for camera using three different transp Film transporting system for camera using three different transp

1993-12-07

1999-05-04

Metjahic, Safet

Photography

With film drive

Mechanical detail

396418, G03B 118

Patent

active

058995919

ABSTRACT:
A film transporting system for a camera, includes a fork to engage with a film feed spool of a film cartridge, for extruding and rewinding a film, a film take-up spool, a film transporting motor, a first gear train for connecting the film transporting motor and the fork when the film transporting motor rotates in a first direction, a second gear train for connecting the film transporting motor and the fork when the film transporting motor rotates in a second direction, and a third gear train for connecting the film transporting motor and the film take-up spool when the film transporting motor rotates in the first rotational direction, wherein the first, second and third gear trains are arranged in such a manner that "V1", "V2" and "V3" have a relationship of "V1<V3<V2" in which "V1" is a rotation speed of the fork driven by the first gear train, "V2" is a rotation speed of the fork driven by the second gear train, and "V3" is a rotation speed of the fork driven by a driving force transmitted through the film from the third gear train.

REFERENCES:
patent: 4033680 (1977-07-01), Pasturczak
patent: 4834306 (1989-05-01), Robertson et al.
patent: 4977419 (1990-12-01), Wash et al.
patent: 5136314 (1992-08-01), Kazami et al.
patent: 5160953 (1992-11-01), Iwashita et al.

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