Focal-plane shutter for cameras
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United States of America Patent
Stats
-
Apr 27, 2004
Grant Date -
Nov 21, 2002
app pub date -
May 7, 2002
filing date -
May 15, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A focal-plane shutter for a camera is provided with two blade chambers into which a space between two base plates is partitioned by an intermediate plate having an aperture for exposure. A shutter blade group placed in each of the blade chambers is constructed with a plurality of arms whose ends are pivotally mounted to one of the two base plates on the side of the aperture and at least one blade pivotally supported by the arms through individual joint shanks so that working paths of the joint shanks does not run inside the apertures. A wall is provided on at least one of the two base plates so as to project toward the blade chamber side, along the edge of the aperture, and has an inclined face directed toward the aperture of an opposite base plate.
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Cited Art Landscape
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