Camera allowing multiple exposure
AssigneeCanon Kabushiki Kaisha
InventorMasayoshi Yamamichi
Life of this patent
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Abstract
The present invention relates to a camera having a wind up device which effects shutter charge and film advancing operation simultaneously by a conventionally known wind up lever and a rewinding device, having the capability to be changed over by pressing a rewinding button from a film wind up state to a film rewinding state, wherein multiple exposure is made possible by manipulation of the rewinding button and at the same time change over from the rewinding state to the wind up state is effected in association with shutter operation.
Claims3
A single lens reflex camera for multiple exposure photography including a shutter comprising:
- winding means for shutter cocking;
- film takeup means linked with said winding means;
- manually operable clutch means normally maintained in an engaged position;
- a film advancing sprocket linked with said film takeup means through said manually operable clutch means;
- operating means for manually operating said clutch means;
- displaceable retaining means adapted to be engaged with said operating means for retaining said clutch means in a disengaged position;
- shutter releasing means;
- and
- relieving means performing a reciprocating motion linked with said shutter releasing means;
- said relieving means actuating said retaining means in the advancing motion thereof to relieve said clutch means from said disengaged position to said engaged position prior to the opening function of the shutter.
Dependencies are inferred from the claim text.