Driving mechanism, lens barrel, and camera
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United States of America Patent
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Apr 23, 2013
Grant Date -
Apr 5, 2012
app pub date -
Sep 29, 2011
filing date -
Sep 30, 2010
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A driving mechanism includes plural driving members arranged in a circumferential shape around a reference shaft, a base member holding the plural driving members with each interposed in the circumferential direction, first piezoelectric elements vibrating in a thickness-shear vibration mode in a first direction, and second piezoelectric elements vibrating in the thickness-shear vibration mode in a second direction. Each driving member includes a first member and a second member. The base member supports one driving member of two driving members adjacent to each other in the circumferential direction on a first support face and supports the other driving member on a second support face. The base member is formed so that the angle formed by the first support face and the second support face is equal to or greater than 60°.
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Cited Art Landscape
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