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:
Aug. 31, 2021
Filed:
Oct. 12, 2017
Nok Corporation, Tokyo, JP;
Yutaka Orioku, Tottori, JP;
Abstract
A dynamic damper includes a hub, a vibration ring located on the outer periphery of the hub, and a pair of elastic bodies made of a rubber-like elastic body located on both sides in the axial direction of the vibration ring and coupling the hub and the vibration ring, in which the vibration ring is provided with a protrusion extending to the vicinity of the outer periphery of the hub, each of the elastic bodies has a shape of being curved outward in the axial direction from the protrusion from the hub to the vibration ring, a projection extending toward the protrusion is integrally molded on a surface on a protrusion side in the elastic bodies, and a gap is set between the protrusion and the projection.