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. 13, 2018
Filed:
Aug. 24, 2015
Applicant:
Tdk Corporation, Tokyo, JP;
Inventors:
Taku Someya, Tokyo, JP;
Hideki Kuwajima, Tokyo, JP;
Assignee:
TDK CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/48 (2006.01);
U.S. Cl.
CPC ...
G11B 5/4833 (2013.01);
Abstract
A dynamic vibration absorber includes an arm section that includes an elastic unit; and a weight section that is connected to the arm section and includes a mass unit. The arm section and the weight section each include a plurality of stacked single-layer materials having different degrees of elasticity and specific gravities, and at least one of the single-layer materials of the arm section and at least one of the single-layer materials of the weight section are shared in common.