Vibration wave motor and electronic equipment using vibration wave motor
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United States of America Patent
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Nov 30, 2021
Grant Date -
Feb 14, 2019
app pub date -
Aug 10, 2018
filing date -
Aug 14, 2017
priority date (Note) -
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Abstract
Provided is a vibration wave motor, including: a vibration body; a friction member; a press member configured to pressurize the vibration body against the friction member; a base member configured to fix the friction member; and a damping member configured to damp vibration, wherein the vibration body and the friction member are configured to move relative to each other, wherein the friction member includes: a first surface having a first region held in abutment against the vibration body; and a second surface, which is a back surface of the first surface, and has a second region held in abutment against the base member, wherein at least one of the first surface and the second surface has a third region held in contact with the damping member, and wherein positions of the first region and the third region in a pressurizing direction of the press member are different from each other.
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