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:
Jun. 26, 2018
Filed:
Jul. 09, 2014
Canon Kabushiki Kaisha, Tokyo, JP;
Hitoshi Nishitani, Tokyo, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
A driving apparatus has a vibration plate, a vibrator having a piezoelectric element that excites vibration of the vibration plate, and first and second contact parts, and a friction member being in contact with the contact parts. The vibrator and the friction member relatively move with respect to each other, and the contact parts are provided at positions with and interpose an odd number of antinodal lines of vibration generated in a first direction of the vibrator along with excitation, and provided at positions with and interpose an odd number of nodal lines of vibration generated in a second direction of the vibrator along with excitation.