Title:
振動波駆動装置
Document Type and Number:
Japanese Patent JP5932402
Kind Code:
B2
Abstract:
A vibration wave driving apparatus including: a vibrator in which a first elastic body, a second elastic body and an electrical-mechanical energy converting element provided between the first and the second elastic bodies are arranged in a direction of a rotation axis; a rotor performing a rotational motion due to the vibration excited to the first elastic body by applying a driving signal to the electrical-mechanical energy converting element; an output transmitter rotating synchronously with the rotor; and a shaft passing through the vibrator, the rotor and the output transmitter in the direction of the rotation axis, wherein the output transmitter has a fitting portion to which the shaft or a flange fixed to the shaft is fitted, and wherein a portion of the fitting portion of the output transmitter and a portion of the first elastic body are overlapped in a direction perpendicular to the rotation axis.
Inventors:
Ryo Shimada
Application Number:
JP2012050024A
Publication Date:
June 08, 2016
Filing Date:
March 07, 2012
Export Citation:
Assignee:
Canon Inc
International Classes:
H02N2/00
Domestic Patent References:
| JP2003199376A | ||||
| JP2002291263A |
Attorney, Agent or Firm:
Takuma Abe
Sogo Kuroiwa
Sogo Kuroiwa