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:
May. 18, 2004
Filed:
Sep. 10, 2002
Kazunobu Haneishi, Tochigi, JP;
Katsuhide Sasaki, Tochigi, JP;
Showa Corporation, , JP;
Abstract
This invention provides a dynamic damper , in which convex portions protruded in the direction of the inside diameter are provided at a plurality of positions along the circumference of the outer pipe and an elastic body is held between the convex portion and the outer circumference of the weight . A stopper portion capable of engaging the convex portion of the outer pipe in the axial direction of the pipe is provided on the weight . An insertion guide face provided at an end portion in the axial direction of the convex portion of the outer pipe , and the convex portion of the outer pipe makes the insertion guide face slide against the stopper portion of the weight to enlarge the diameter of the convex portion elastically to surpass the stopper portion so that it fits to the outer circumference of the weight
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile