Film transportation system for motor built-in camera

Details Film transportation system for motor built-in camera Film transportation system for motor built-in camera

1984-08-22

1986-04-01

Adams, Russell E.

354214, G03B 124

Patent

active

045794359

ABSTRACT:
In a camera where motorized rewinding is performed by a built-in electric motor, a film transportation system is provided which includes a rewind member arranged upon engagement with a cartridge hub to rewind a film roll, a first driving torque transmission mechanism having a frictional member upon contact with the rewind member to transmit the driving torque of the motor thereto, a drive member engaging the perforations of the film to move the film in the film rewinding direction, and a second driving torque transmission mechanism arranged upon connection with the first transmission mechanism to transmit the driving torque of the motor to the drive member and having a one-way clutch.

REFERENCES:
patent: 4219764 (1980-08-01), Terada et al.
patent: 4342509 (1982-08-01), Wakanayashi et al.
patent: 4362370 (1982-12-01), Iwata et al.
patent: 4380381 (1983-04-01), Tezuka
patent: 4383747 (1983-05-01), Tezuka
patent: 4400074 (1983-08-01), Akiyama et al.
patent: 4460256 (1984-07-01), Araki et al.
patent: 4479705 (1984-10-01), Tamamura et al.
patent: 4482226 (1984-11-01), Tamamura

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