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.

Date of Patent:
May. 28, 2024

Filed:

Feb. 22, 2021
Applicants:

Sumitomo Riko Company Limited, Komaki, JP;

Toyota Jidosha Kabushiki Kaisha, Toyota, JP;

Inventors:

Hiroki Mizukawa, Komaki, JP;

Naoki Furumachi, Komaki, JP;

Katsuhiro Sakurai, Toyota, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16F 1/373 (2006.01); B60K 5/12 (2006.01);
U.S. Cl.
CPC ...
B60K 5/1208 (2013.01); F16F 1/373 (2013.01); F16F 2230/02 (2013.01); F16F 2234/04 (2013.01);
Abstract

A vibration damping device including: a first attachment member and a second attachment member disposed apart from each other; and a main rubber elastic body connecting the first attachment member and the second attachment member, the main rubber elastic body being of a frustoconical-like shape having an outer peripheral surface whose diameter gradually increases from the first attachment member toward the second attachment member, the main rubber elastic body including a recess opening onto a center portion thereof on a large-diameter side that is a second attachment member side, and the main rubber elastic body that constitutes a bottom part of the recess integrally including a vibration-damping protrusion protruding into the recess.


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