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Patent Searching and Data


Title:
ANTI-VIBRATION BUSHING
Document Type and Number:
WIPO Patent Application WO/2018/079244
Kind Code:
A1
Abstract:
Provided is an anti-vibration bushing that can improve the durability of a rubber elastic body. The anti-vibration bushing comprises: a shaft member that comprises a spherical convex portion projecting to the outside in the radial direction; a cylinder member that is disposed on the outside of the shaft member in the radial direction; and a rubber elastic body that couples the cylinder member and the shaft member and that has a hollowed portion recessed toward the inside in the axial direction formed on the end face in the axial direction. The rubber elastic body is coupled to a first portion and a second portion of the cylinder member. The first portion is positioned on the outside of the convex portion in the radial direction, and the diameter of the inner circumferential face gradually decreases from the center toward the outside in the axial direction. The second portion is positioned further to the outside in the axial direction than the first portion, and the diameter of the inner circumferential face gradually increases toward the outside in the axial direction.

Inventors:
NIWA Satoshi (2-2-13, Fujinoki, Itami-sh, Hyogo 47, 〒6640847, JP)
Application Number:
JP2017/036654
Publication Date:
May 03, 2018
Filing Date:
October 10, 2017
Export Citation:
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Assignee:
TOYO TIRE & RUBBER CO., LTD (2-2-13, Fujinoki Itami-sh, Hyogo 47, 〒6640847, JP)
International Classes:
F16F1/393; F16F1/38; F16F1/387; F16F15/08
Foreign References:
JPS63110735U1988-07-16
JPH09100859A1997-04-15
JP2007331496A2007-12-27
JP2015535914A2015-12-17
Attorney, Agent or Firm:
PATENT FIRM SHINMEI CENTURY (Aioi Nissay Dowa Insurance Toyohashi Bldg, 7th Floor 92, Ote-cho, Toyohashi-Cit, Aichi 05, 〒4400805, JP)
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