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US 5,634,160 AGranted
Camera film winding system
AssigneeSamsung Aerospace Industries, Ltd.
InventorYang-jik Lee
Life of this patent
Estimating the term…
Abstract
A film winding system for a disposable camera. The system includes a spring coupled to rotate a film spool through a spool gear, a sprocket engaged with holes in the film, a cam on a common axis with the sprocket, and a mechanism for engaging the spool drive gears to stop the rotation of the spool after the film has advanced one frame.
Claims17
A camera system having an integral film. comprising:
- a shutter release mechanism operable when depressed to expose the film, the shutter release mechanism including a projection;
- a winding means for automatically advancing the film by one frame after each photograph is taken;
- and
- a control means, coupled to the winding means, for controlling the advancement of the film, said control means comprising a control cam for guiding the advancement of the film and having a control groove, said control means further comprising a shutter operation member having a hook projection normally engaging the control groove of the control cam to prevent the film from advancing, the shutter operation member further having a gear projection normally engaging the winding means;
- wherein the projection of said shutter release mechanism selectively engages said winding means to prevent said winding means from advancing the film when said shutter release mechanism is depressed, and allows said winding means to advance the film when said shutter release mechanism is released;
- and
- wherein said shutter release mechanism biases the hook projection of the shutter operation member to disengage the control groove of the control cam when said shutter release mechanism is depressed, and allows the hook projection to reengage the control groove after said winding means has advanced the film one frame when said shutter release mechanism is released.
4 more elements
A camera having an integral film, comprising:
- a shutter release mechanism operable when actuated to expose the film;
- a spool for receiving exposed film, the spool being mechanically biased to receive the exposed film;
- a control plate mechanically connected to the spool, the shutter release mechanism engaging the control plate while the shutter release is actuated to prevent the spool from receiving the exposed film;
- a shutter operation member biased by the shutter release mechanism when the shutter release mechanism is actuated, the shutter operation member normally engaging the control plate to prevent the spool from receiving the exposed film, and the shutter operation member disengaging the control plate when the shutter release mechanism is actuated.
1 more element
A camera system having an integral film, comprising:
- winding means for automatically advancing the film by one frame after each photograph is taken;
- a shutter release mechanism operable when depressed to expose the film, said shutter release mechanism engaging the winding means to prevent the film from advancing when depressed;
- and
- a shutter operation member normally engaged to the winding means to prevent the film from advancing, said shutter operation member disengaging the winding means when said shutter release mechanism is depressed.
1 more element
Dependencies are inferred from the claim text.