Photography – Camera detail – Shutter
Patent
1995-06-01
1997-01-14
Mathews, A. A.
Photography
Camera detail
Shutter
396484, G03B 940
Patent
active
055945210
ABSTRACT:
In order to provide a durable and strong brake apparatus for a shutter, provision is made of a first shaft, a first brake mechanism rotatably fitted on the first shaft, a second shaft disposed at a predetermined distance from the first shaft, a second brake mechanism rotatably fitted on the second shaft, and a connecting mechanism for connecting the first brake mechanism and the second brake mechanism together and operatively associating them integrally with each other.
REFERENCES:
patent: 4110773 (1978-08-01), Scholz
patent: 4657366 (1987-04-01), Tanabe et al.
patent: 4692009 (1987-09-01), Toyoda et al.
Hasuda Masanori
Matsubara Takashi
Mathews A. A.
Nikon Corporation
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