Simplified trigger, shutter and film advance system for use in a

Details Simplified trigger, shutter and film advance system for use in a Simplified trigger, shutter and film advance system for use in a

1998-03-02

1999-07-20

Blankenship, Howard B.

Photography

With film drive

Film transport cocks shutter

396416, 396493, 396538, G03B 1742

Patent

active

059266627

ABSTRACT:
A simplified trigger, shutter and film advance system such as for use in a camera. In a preferred embodiment the system is mounted in a housing and includes a trigger with a trigger button for pressing by the operator and a trigger point for advancing the film in a film track, a shutter which is simultaneously advanced by the trigger with the film and along a shutter track. In another embodiment suitable for use with 35 mm film, the system is mounted in a camera and includes a simplified trigger, shutter and film advance system which requires fewer components and fewer moving parts than existing cameras and which is operated by pressing the trigger which thereby advances the film and activates the shutter. In yet another embodiment suitable for use with 110 mm film, the system is mounted in a camera and includes a simplified trigger, shutter and film advance, and further includes a one piece mechanism to advance the film and activate the shutter. In still another embodiment suitable for use with 110 mm film, the system is mounted in a camera and includes a flexible blade method for film storage which allows the pushing of film within the camera, and further includes a chicane in double chevron configuration which creates a light tight-film passage into a film cassette area.

REFERENCES:
patent: 3696723 (1972-10-01), Ernisse
patent: 3906530 (1975-09-01), Oshima
patent: 4226517 (1980-10-01), Skarman
patent: 5555052 (1996-09-01), Pearson

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