Shutter device for camera

Details Shutter device for camera Shutter device for camera

1986-04-23

1987-04-14

Mathews, A. A.

354249, G03B 940

Patent

active

046573666

ABSTRACT:
A focal plane shutter for camera comprises an opening blade group and a closing blade group, an opening blade-driving member and a closing blade-driving member, an exposure operation means for moving said blade-driving members for exposure operation, a braking member for changing the position from an initial position while absorbing the kinetic energy of the moving closing blade-driving member and resetting means for moving the blade-driving members and the braking member after completing the exposure operation.

REFERENCES:
patent: 4081810 (1978-03-01), Onda et al.
patent: 4096505 (1978-06-01), Onda et al.
patent: 4110772 (1978-08-01), Nakagawa et al.
patent: 4245905 (1981-01-01), Takayama
patent: 4268147 (1981-05-01), Date
patent: 4302091 (1981-11-01), Harase et al.
patent: 4407574 (1983-10-01), Tomino et al.
patent: 4458998 (1984-07-01), Tanaka et al.

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