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:
Oct. 28, 2003
Filed:
Mar. 27, 2001
Toshimichi Moriwaki, Kobe-shi, Hyogo, JP;
Eiji Shamoto, Takarazuka-shi, Hyogo, JP;
Makoto Matsuo, Kyoto-shi, Kyoto, JP;
Other;
Abstract
A workpiece is cut by a cutting tool that is attached to a cylindrical support body vibrated by at least two piezoelectric drive elements. The efficiency of the mechanical vibration is improved by attaching the piezoelectric drive elements to a cylindrical body portion ( ) of the tool support body ( ) and by providing the support body with a plurality of necked-down end sections. At least the cylindrical body portion ( ) is a cylinder with a substantially circular cross-section or with a circular cross-section to provide a constant or a substantially constant bending rigidity of the cylindrical tool support body.