Shutter for photographic cameras

Details Shutter for photographic cameras Shutter for photographic cameras

1976-03-19

1977-08-09

Griffin, Donald A.

354242, G03B 928, G03B 932

Patent

active

040415139

ABSTRACT:
A shrinkable accordion shaped shutter blind is provided an end of which is fixed at one side of a film aperture and the other end of which is made free to move across the film aperture. The free end of the shutter blind is movable back and forth across the film aperture by a mechanical or electromagnetic operating device. In a preferred embodiment of the invention, a pair of the accordion shaped shutter blinds are provided to make a slit of exposure to expose a film behind the film aperture.

REFERENCES:
patent: 3685423 (1972-08-01), Dahlgren

Affiliated with

Also associated with

Rating

Shutter for photographic cameras does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Shutter for photographic cameras, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Shutter for photographic cameras will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1232411