Focal plane shutter for use in a photographic camera
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United States of America Patent
Stats
-
Apr 16, 1996
Grant Date -
N/A
app pub date -
Nov 18, 1994
filing date -
Nov 22, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A focal plane shutter for use in a photographic camera in which a shutter base plate is made of a synthetic resin material and a metallic supporting plate is mounted on a front surface of the shutter base plate. Shafts pivoting levers for driving a leading blade group and trailing blade group are fixed to a front surface of the metallic supporting plate, whereas shafts pivoting arms for driving the leading blade group and the trailing blade group are fixed to a rear surface of the supporting plate. The shafts pivoting the driving arms and supporting arms protrude from a rear surface of the shutter base plate.
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