Vibration-damping device

Patent metadata

Field	Value
Publication number	US-2018149226-A1
Application number	US-201615576017-A
Country	US
Kind code	A1
Filing date	Mar 9, 2016
Priority date	May 28, 2015
Publication date	May 31, 2018
Grant date	—

Abstract

A vibration-damping device ( 1 ) of the present invention includes a tubular first attachment member ( 11 ), a second attachment member ( 12 ) that is attached to any one of a vibration generating portion and a vibration receiving portion, an elastic body ( 13 ) that connects the first attachment member and the second attachment member with each other, and a bracket (B) that is connected to the remaining one of the vibration generating portion and the vibration receiving portion and is press-fitted into the first attachment member. The second attachment member includes a stopper wall portion ( 14 ) which surrounds the first attachment member from radially outside. A penetration hole ( 11 b ) which is open toward the stopper wall portion is formed in the first attachment member, and a stopper elastic body ( 19 ) covering the penetration hole is installed on an inner circumferential surface of the first attachment member. The stopper elastic body is elastically deformed by the bracket and protrudes to an outer circumferential surface side of the first attachment member through the penetration hole.

First claim

What is claimed is:

1 . A vibration-damping device comprising:
a tubular first attachment member; a second attachment member that is attached to any one of a vibration generating portion and a vibration receiving portion; an elastic body that connects the first attachment member and the second attachment member with each other; and a bracket that is connected to the remaining one of the vibration generating portion and the vibration receiving portion and is press-fitted into the first attachment member, wherein the second attachment member includes a stopper wall portion which surrounds the first attachment member from radially outside, wherein a penetration hole which is open toward the stopper wall portion is formed in the first attachment member, and a stopper elastic body covering the penetration hole is installed on an inner circumferential surface of the first attachment member, and wherein the stopper elastic body is elastically deformed by the bracket and protrudes to an outer circumferential surface side of the first attachment member through the penetration hole.

2 . The vibration-damping device according to claim 1 ,
wherein in the stopper elastic body, a recess portion is formed in a part positioned at a part in which no penetration hole is formed on the inner circumferential surface of the first attachment member.

Assignees

• Bridgestone Corp

Inventors

• Shimizu Hiroaki

Classifications

• F16F1/3842

  Method of assembly, production or treatment; Mounting thereof (supports for pipes, cables or protective tubing F16L3/00) · CPC title

• B60K5/1208

  Resilient supports (B60K5/1241 - B60K5/1291 take precedence) · CPC title

• F16F1/3828 Primary

  End stop features or buffering (F16F1/3807 takes precedence) · CPC title

• F16F1/38 Primary

  with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin {, i.e. bushing-type (hydraulically-damped bushes F16F13/14; suppression of vibrations in rotating systems by making use of elastomeric spring members between rotating elements, driveline torque being transmitted therebetween F16F15/126, by making use of a dynamic damping mass attached to a rotating element by means of elastomeric springs F16F15/14; pivots per se F16C11/00; elastic or yielding bearings or bearing supports F16C27/00; parts of sliding-contact bearings, e.g. bushes F16C33/04)} · CPC title

• F16F15/08

  with rubber springs {(grommet- or bushing-type resilient mountings F16F1/3732, F16F1/38); with springs made of rubber and metal (arrangement of internal-combustion or jet-propulsion units B60K5/12; mounting of propulsion plants on vessels B63H21/30; mounting of vehicle drivers' cabs B62D33/0604)} · CPC title