Rotary shutter mechanism

Details Rotary shutter mechanism Rotary shutter mechanism

1974-01-24

1976-03-16

Hix, L. T.

354253, 354254, 354261, 354262, G03B 916

Patent

active

039450279

ABSTRACT:
A rotary shutter mechanism for use in a camera having a winding mechanism and a release mechanism includes a sector change-over mechanism which comprises a pair of substantially semicircular sectors mounted on respective drive shafts. One of these sectors which covers a picture-taking opening serves as a leading curtain and the other sector disposed 180.degree. out of phase with respect to the first sector serves as a trailing curtain. These sectors are individually rotatable through 180.degree. in one direction to effect a shutter operation. Thus, the sectors need not be returned to their original positions during each winding operation.

REFERENCES:
patent: 2274707 (1942-03-01), Kende et al.
patent: 2537905 (1951-01-01), Mihalyi
patent: 3272107 (1966-09-01), Bloemendal
patent: 3425330 (1969-02-01), Noack et al.

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