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. 03, 2020
Filed:
Dec. 18, 2013
Canon Kabushiki Kaisha, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A method for manufacturing a vibration actuator includes forming an elastic body integrally with a projection protruding from a surface of the elastic body, by press working. Forming the elastic body includes forming a bonding portion surrounding the projection, forming a contact portion at a top portion of the projection, forming a spring portion between the contact portion and the bonding portion, and forming a standing portion having a hollow structure, between the spring portion and the contact portion, so that the standing portion has a ring shape in a cross-sectional view in a direction parallel to the surface of the elastic member and that a space surrounded by the contact portion, the spring portion, and the standing portion. The spring portion is formed by press working, and the bonding portion is formed by press working.