Vibration type driving device

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9099941
APP PUB NO 20130113339A1
SERIAL NO

13809574

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A vibration type driving device includes a vibrator configured to make an elliptic motion of a contact portion by combining vibrations in different vibration modes, and a driven body configured to be rotated relative to the vibrator by the elliptic motion while being in contact with the contact portion. A contact pressure of the contact portion with the driven body is lower on a radial inner side than on a radial outer side in a radial direction of the rotation.

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Patent Owner(s)

  • CANON KABUSHIKI KAISHA

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kojima, Nobuyuki Machida, JP 84 840

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