Winding/rewinding apparatus and method for a camera

Details Winding/rewinding apparatus and method for a camera Winding/rewinding apparatus and method for a camera

1994-09-28

1995-08-01

Stodola, Daniel P.

Winding, tensioning, or guiding

Unwinding and rewinding a machine convertible information...

With particular drive

24234840, 35417310, 354212, G03B 104

Patent

active

054374162

ABSTRACT:
A winding/rewinding apparatus for a camera comprises a winding spool on which a film advanced thereto is wound when the winding spool rotates; a rewinding shaft for engaging a spool of a film cartridge loaded into the camera so as to rotate the spool; a motor; a transmission for transmitting the drive force of the motor to the winding spool and the rewinding shaft so as to advance the film from the cartridge to the winding spool, the transmission transmitting the drive force of the motor so that a speed at which the film is advanced by the rewinding spool is higher than a speed at which the film is advanced by the rewinding shaft; and a clutch which disengages so as not to transmit the drive force of the motor to the rewinding shaft when the rewinding shaft is driven at an increased speed by the film which is being wound by the winding spool.

REFERENCES:
patent: 4497555 (1985-02-01), Akiyama
patent: 4589604 (1986-05-01), Yagi et al.
patent: 4610522 (1986-09-01), Tobioka et al.
patent: 4688763 (1987-08-01), Wakabayashi et al.
patent: 4724450 (1988-02-01), Miyawaki et al.
patent: 4832275 (1989-05-01), Robertson
patent: 4834306 (1989-05-01), Robertson et al.

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