VIBRATION TYPE ACTUATOR CAPABLE OF REDUCING CHANGE IN FORCE GENERATED BETWEEN CONTACT BODY AND VIBRATING BODY, MULTI-AXIS STAGE, ARTICULATED ROBOT, AND DEVICE
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United States of America Patent
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Issued Date -
Aug 24, 2023
app pub date -
May 2, 2023
filing date -
Nov 2, 2020
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Abstract
A vibration type actuator capable of reducing a change in force generated between a contact body and a vibrating body. The vibration type actuator comprising a vibrating body unit including a vibrating body and a holding portion that holds the vibrating body, a pressurizing unit, a contact body that contacts with the vibrating body by a pressurizing force by the pressurizing unit, and a connecting portion, wherein when predetermined vibration is excited in the vibrating body, the contact body and the vibrating body unit move relative to each other in a first direction, and wherein the connecting portion connects the holding portion to a connection object in the first direction, such that the vibrating body unit is displaced at least in a pressurizing direction by the pressurizing unit when the contact body and the vibrating body unit move relative to each other in the first direction.
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