Film feeder for cameras

Details Film feeder for cameras Film feeder for cameras

1995-01-09

1995-10-10

Jillions, John M.

Winding, tensioning, or guiding

Unwinding and rewinding a machine convertible information...

With particular drive

3541731, 354214, G03B 112

Patent

active

054564190

ABSTRACT:
A film feeder for cameras comprises a drive shaft for driving a film cartridge which is engaged with a spool shaft of the film cartridge to rotationally drive the spool in the forward direction or the reverse direction, thereby rotationally driving the spool in the film lead-out direction or in the film rewinding direction, respectively; an electric motor for rotationally driving the foregoing drive shaft and capable of rotating forwardly or reversely; a rotation transmission system for transmitting a rotational force derived from the motor; and a switch device for selecting either of two transmission paths for driving the drive shaft of the cartridge in compliance with the rotational direction imparted by the motor.

REFERENCES:
patent: 4482226 (1984-11-01), Tamamura
patent: 4589604 (1986-05-01), Yagi et al.
patent: 4832275 (1989-05-01), Robertson
patent: 4834306 (1989-05-01), Robertson et al.
patent: 5160953 (1992-11-01), Iwashita et al.

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