Simplified trigger, shutter and film advance system such as for

Details Simplified trigger, shutter and film advance system such as for Simplified trigger, shutter and film advance system such as for

1995-12-29

1998-03-03

Metjahic, Safet

Photography

With film drive

Film transport cocks shutter

396412, G03B 1742

Patent

active

057246246

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, a ramp coupled to the housing which engages the trigger point and causes the film and shutter to release, a spring which is coupled to the housing and the shutter and causes the shutter to return to its original position, and a light baffle to reduce the amount of light exposed to the film when the shutter initially returns to its at rest position. 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 another embodiment, the system further includes a substantially unitary trigger mechanism to advance the film and actuate a rotary shutter.

REFERENCES:
patent: Re34168 (1993-01-01), Ohmura et al.
patent: 3232196 (1966-02-01), Sapp, Jr.
patent: 3696723 (1972-10-01), Ernisse
patent: 4226517 (1980-10-01), Skarman
patent: 4268150 (1981-05-01), Cheh
patent: 4602859 (1986-07-01), Chen
patent: 4681416 (1987-07-01), Raschke
patent: 4771303 (1988-09-01), Matsumoto et al.
patent: 4833495 (1989-05-01), Ohmura et al.
patent: 4954857 (1990-09-01), Mochida et al.
patent: 5519427 (1996-05-01), Cavarero et al.

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