Lens shutter device for camera

Details Lens shutter device for camera Lens shutter device for camera

1991-05-22

1992-05-26

Gellner, Michael L.

354251, 354264, 354265, G03B 914, G03B 966

Patent

active

051172488

ABSTRACT:
A lens shutter device for a camera including a shutter operating lever urged by a connecting spring in a direction in which shutter members are opened, and urged by a shutter closing spring in a direction in which the shutter members are closed. The connecting spring is provided to connect an opening cam contact lever moved by a shutter opening cam to the shutter closing lever, and allows a relative movement when an external force is exerted on the shutter closing lever. The shutter operating lever can be held by a high speed mode magnet. The shutter closing spring is provided between a camera body and a shutter closing lever, which is moved by a closing spring charge cam and engagable with the shutter operating lever, and the shutter closing lever can be held by a shutter closing magnet.

REFERENCES:
patent: 3722391 (1973-03-01), Kitai
patent: 3762296 (1973-10-01), Rentschler
patent: 3854143 (1974-12-01), Kitai et al.
patent: 3990089 (1976-11-01), Urano
patent: 4452521 (1984-06-01), Hirohata et al.
French Search Report and Annex. Application No. FR 8917339, Sep. 19, 1991.

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