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:
Nov. 01, 2011
Filed:
Aug. 04, 2009
Sung-hyuk Park, Yongin-si, KR;
Jin-woo Cho, Seongnam-si, KR;
Ji-hyuk Lim, Suwon-si, KR;
Samsung Electronics Co., Ltd., Suwon-si, KR;
Abstract
A piezoelectric ultrasonic motor and a method of manufacturing the piezoelectric ultrasonic motor. The piezoelectric ultrasonic motor includes: a piezoelectric body that generates a traveling wave according to an applied voltage signal; a vibrator that is attached to the piezoelectric body and vibrates; and a rotator that contacts the vibrator and is rotated by friction with the vibrating vibrator, wherein the rotator includes a plate spring member having a contact portion that contacts the vibrator, a support member that is coupled to the plate spring member and supports the plate spring member, and a buffer space defined by the plate spring member and the support member.