Vibration-wave motor
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United States of America Patent
Stats
-
Jun 15, 2021
Grant Date -
Jun 21, 2018
app pub date -
Dec 13, 2017
filing date -
Dec 15, 2016
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A vibration-wave motor includes a vibrator, a first holding member configured to hold the vibrator, a second holding member configured to hold the first holding member, a plurality of pressing members arranged around the vibrator and configured to press the vibrator against a contacting member that contacts the vibrator, a movable plate disposed opposite to the vibrator with respect to the contacting member, and a coupling part configured to couple the second holding member and the movable plate with each other. The vibrator and the contacting member move relatively to each other due to a vibration generated by the vibrator. One of the second holding member and the movable plate includes a transmitting part configured to transmit a driving force of the vibration-wave motor to a driven member.
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