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:
Dec. 15, 2009
Filed:
Jul. 03, 2008
Applicant:
Tetsuyuki Sakamoto, Hachioji, JP;
Inventor:
Tetsuyuki Sakamoto, Hachioji, JP;
Assignee:
Olympus Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H02N 2/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An ultrasonic motor comprises an ultrasonic vibrator having a piezoelectric stack, a press member which is securely connected in the vicinity of a node of a standing wave in the ultrasonic vibrator and which presses the ultrasonic vibrator, a driven member which is driven by frictional force between the driven member and the ultrasonic vibrator, and a case to which the press member is fixed. Here, the press member has holes, and the case has guide pins which engage with the holes provided in the press member. Further, the press member is fixed to the case in a state bent in a press direction.