Driving apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 25, 2011
Grant Date -
Jan 22, 2009
app pub date -
Jun 27, 2008
filing date -
Jul 17, 2007
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A driving apparatus comprises: an electromechanical conversion element that expands and contracts in an extending direction of a given fiducial line; a driving shaft mounted on one end of the electromechanical conversion element in the extending direction; a driven member frictionally engaged with the driving shaft; a holder that supports the electromechanical conversion element from lateral sides with respect to extending direction; and an urging member that urges the electromechanical conversion element in the extending direction.
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