DRIVE DEVICE AND VIBRATION WAVE MOTOR UNIT
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United States of America Patent
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Issued Date -
Aug 8, 2024
app pub date -
Jan 29, 2024
filing date -
Feb 2, 2023
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Abstract
A drive device configured to relatively move a first member and a second member in a predetermined direction by using a vibration wave motor as a drive source includes a contact body, a vibrator including a protrusion coming into contact with the contact body and configured to generate vibration by a piezoelectric element to move the contact body in the predetermined direction, a pressurization mechanism configured to pressurize the vibrator against the contact body via a pressurization member in contact with the vibrator, and a first guide mechanism connected to at least one of the first member and the second member and configured to guide the relative movement, wherein one of the contact body and the pressurization mechanism is connected to the first member, and wherein the other of the contact body and the pressurization mechanism is connected to the second member.
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