Vibration wave driven motor and method of producing same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 16, 1997
Grant Date -
N/A
app pub date -
Jun 3, 1993
filing date -
Jun 17, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A vibration wave driven motor includes a vibration member which vibrates in response to an applied electrical signal, a rail-shaped stator having a recess formed thereon, a movable base integral with an elastic element, a pair of rollers, one of which engages the recess on the stator, and a pressing spring forcing the vibration member, the stator, and one of the rollers into contact.
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