Winding and rewinding device for camera

Details Winding and rewinding device for camera Winding and rewinding device for camera

1982-08-25

1984-11-13

Mathews, A. A.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

354214, 242 716, G03D 104

Patent

active

044822260

ABSTRACT:
A drive gear is arranged to rotate in response to driving torque from an electric motor, and is supported for swinging movement by a shaft the axis of which is different from the axis of rotation of the drive gear. Also, the drive gear is urged by a bias force in a direction for release from meshing engagement with a transmission gear of a film rewinding system. When rewinding of a film is completed, and a load which is exerted on the film rewinding system during rewinding disappears, the meshing force between the drive gear and the transmission gear is reduced. The reduction in the meshing force effects an automatic release of the drive gear from the meshing engagement with the transmission gear.

REFERENCES:
patent: 4171893 (1979-10-01), Kawazoe
patent: 4239166 (1980-12-01), Daitoku
patent: 4371244 (1983-02-01), Daitoku et al.

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