Friction member for brake mechanism in camera shutter

Details Friction member for brake mechanism in camera shutter Friction member for brake mechanism in camera shutter

1995-06-02

1996-08-06

Gellner, Michael L.

G03B 908

Patent

active

055438806

ABSTRACT:
A friction member for a brake mechanism in a camera shutter is comprised of a layer-laminated body which is formed by laminating a plurality of resin layers each reinforced with carbon fibers aligned one-directionally in such a manner that the directions of the carbon fibers are crossing, for generating a frictional force to brake a member to be braked by coming in contact with the member to be braked. The thickness of the layer-laminated body is 50 .mu.m to 200 .mu.m, and the surface resin layer of the layer-laminated body contains 35 to 75 wt % of the carbon fiber.

REFERENCES:
patent: 3967293 (1976-06-01), Vincent
patent: 4316662 (1982-02-01), Tosaka et al.
patent: 4847649 (1989-07-01), Toyoda et al.
patent: 4975722 (1990-12-01), Suzuki et al.
patent: 5475459 (1995-12-01), Matsubara et al.

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