Patent ID: 11878614
Assignee: TOKAI CHEMICAL INDUSTRIES, LTD.
Field: Transport (Mechanical engineering)
Classification: CPC B  A | IPC B

Claim 0:
1. A vehicle seat, comprising:
a frame;
a case, attached to the frame; and
a dynamic damper, accommodated in the case and comprising a mass and an elastic body,
wherein:
the elastic body at least comprises an annular elastic body as a member having a through hole,
the mass is fitted to the through hole of the annular elastic body, and an outer peripheral surface of the annular elastic body is arranged to contact an inner wall surface of the case,
wherein the elastic body further comprises:
a first elastic body sheet, arranged to be overlapped with an end surface of the annular elastic body on a side of a first opening in a penetration direction, and contacting a surface of the mass on the side of the first opening,
a second elastic body sheet, arranged to be overlapped with an end surface of the annular elastic body on a side of a second opening, which is a side opposite to the first opening, in the penetration direction, and contacting a surface of the mass on the side of the second opening,
wherein the elastic body covers an entire surface of the mass such that no surface of the mass is exposed.