Drive apparatus of lens and exposure mechanism by motor
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United States of America Patent
Stats
-
Sep 22, 1987
Grant Date -
N/A
app pub date -
Aug 25, 1986
filing date -
Aug 24, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Driving of camera lens (5) and driving of exposure mechanism (9) (shutter/aperture blades) are driven by a single motor (7) wherein a main body of exposure mechanism is affixed to the lens barrel, and a drive member (10) of the exposure mechanism (9) is slidably engaged to a sliding guide pin (11); and by selecting friction force between a hollow threaded driving member (1) and the threaded outer face of the lens burrel (4) appropriately, the exposure mechanism (9) can be driven through the friction force.
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