The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 16, 2004
Filed:
Jan. 30, 2001
Akihiro Iino, Chiba, JP;
Masao Kasuga, Chiba, JP;
Makoto Suzuki, Chiba, JP;
Tatsuru Sato, Chiba, JP;
Satoshi Watanabe, Chiba, JP;
Yoko Shinohara, Chiba, JP;
Seiko Instruments Inc., Chiba, JP;
Abstract
An ultrasonic motor has a vibrating body and a piezoelectric element disposed on the vibrating body for generating a vibration wave to vibrate the vibrating body. The vibration wave has a vibration node disposed on a diagonal line of the vibrating body. At least one protrusion is connected to the vibrating body for vibration therewith. The protrusion is disposed on the vibrating body at a position which does not correspond to the position of the vibration node. A moving body is disposed in contact with and driven by the protrusion during vibration thereof.