Patent ID: 6941065
Filing Date: 2005-09-06
Classification: G03B

Abstract:
1. A camera of the type that has a film cassette compartment for receiving a film cassette, a film spool around which film can be wound and a film exposing area disposed between the film cassette compartment and the film spool, comprising: a film rewind wheel that is rotatably mounted to the camera and that can rotate in a direction to move film from the film spool to the film cassette, the wheel comprising a serrated ring and a notch; a prevent lever rotatably mounted to the camera and having an end for engagement with the film rewind wheel ring serrations; a spring coupled to the prevent lever; and a lever that is slidably mounted to the camera and is coupled to the spring and that has a hook for engagement with the film rewind wheel inner ring notch, so that when the film rewind wheel is rotated in the rewind direction, the notch engages the lever hook and pushes the lever and the spring in a first direction; the movement of the spring causing the prevent lever to rotate so that the prevent lever end engages the rewind wheel serrations to prevent rotation of the rewind wheel in the direction that opposes the film rewind direction and that moves film out of the film cassette.