Camera film winding and shutter release mechanism

Details Camera film winding and shutter release mechanism Camera film winding and shutter release mechanism

1978-09-05

1980-04-08

Gellner, Michael L.

G03B 118

Patent

active

041969928

ABSTRACT:
A motorized system for a camera using a common motor for film winding and shutter release wherein the shutter release operation is performed for a first direction of rotation of the motor and the film winding operation performed for the second or opposite direction of rotation. A mechanism including a ratchet and pawl arrangement is provided for returning the actuating mechanism to its rest position during the winding operation. Depression of the shutter button causes a control signal to be transmitted effecting motor operation in the first direction which releases the shutter through the actuating mechanism. Once the shutter release has been completed, a locking lever is released which simultaneously actuates a switch causing the motor to reverse direction and releasing a locking ring which is coupled to the winding shaft of the camera. The winding operation continues until the locking lever falls back into position with the locking ring at which time power is removed from the motor. Depression of the shutter button repeats the process.

REFERENCES:
patent: 3946409 (1976-03-01), Toyoda
patent: 4042942 (1977-08-01), Haraguchi

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