Focal plane shutter device

Details Focal plane shutter device Focal plane shutter device

1997-04-01

1999-02-23

Gray, David M.

Photography

Camera detail

Shutter

396487, G03B 940

Patent

active

058753680

ABSTRACT:
A focal plane shutter device which, regardless of the number of times of operation, does not lose precision of operation. The shutter device has bend portions disposed in drive arms which drive shutter blades. The convex portions of the bend portions (ridge portions) face an adjacent shutter baseplate side. These bend portions reduce or eliminate friction as between caulking pins connecting blades to the drive arms, thereby increasing reliability.

REFERENCES:
patent: 5467160 (1995-11-01), Matsubara et al.

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