Winding up device for camera

Details Winding up device for camera Winding up device for camera

1977-08-25

1979-03-27

Christian, Leonard D.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

G03B 106

Patent

active

041461894

ABSTRACT:
The present invention relates to a winding up device for a camera, in which a motor driven winding up shaft, a manual winding up member rotating the winding up shaft by means of manual operation and a one-way clutch means between the winding up shaft and the manual winding up member are provided, so designed that a manual winding up angle conversion means for making the ratio of the rotation angle of the manual winding up member to that of the winding up shaft at a certain determined value is provided between the manual winding up member and the one-way clutch means in such a manner that the rotation angle of the manual winding up is optionally variable by means of the manual winding up angle conversion means while the winding up angle at the time of motor drive is invariable.

REFERENCES:
patent: 3021773 (1962-02-01), Hintze et al.
patent: 3645182 (1972-02-01), Kimura
patent: 3948456 (1976-04-01), Shimizu

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