VIBRATION CONTROL BUSH - TOYO TIRE & RUBBER CO

Title:

VIBRATION CONTROL BUSH

Document Type and Number:

Japanese Patent JP2014122661

Kind Code:

A

Abstract:

PROBLEM TO BE SOLVED: To provide a vibration control bush capable of improving durability while restricting a reduction of spring rate.SOLUTION: This invention relates to a vibration control bush 10 in which after a rubber elastic body 16 is vulcanized and adhered between an inner cylinder 12 and an outer cylinder 14 and the outer cylinder 14 is processed by drawing operation, the rubber elastic body 16 comprises a pair of cavities 20 passing through it in an axial direction X at both sides holding the inner cylinder 12 between them, a connecting part 22 held between the pair of cavities 20 in a peripheral direction C so as to connect the inner cylinder 12 with the outer cylinder 14, and holes 26 passing through the connecting part 22 in the axial direction X and extending from the inner cylinder 12 toward the outer cylinder 14, and the holes 26 abut against hole walls 30 opposing in a peripheral direction C while a clearance 28a being left at the inner cylinder 12 through drawing processing.

Inventors:

KATAMURA TOMOYUKI
KITANO TOSHIYUKI
MAEKAWA HIROSHI

Application Number:

JP2012278435A

Publication Date:

July 03, 2014

Filing Date:

December 20, 2012

Export Citation:

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Assignee:

TOYO TIRE & RUBBER CO

International Classes:

F16F1/38

Domestic Patent References:

JP2003322187A	2003-11-14
JPH05126185A	1993-05-21
JP2002227896A	2002-08-14
JP2001336575A	2001-12-07
JPH05302637A	1993-11-16
JP2011226532A	2011-11-10

Foreign References:

CN201487109U	2010-05-26
US5472226A	1995-12-05

Attorney, Agent or Firm:

Tamako Tsutada
Masato Tsuda
Tetsuji Nakamura
Katsuyuki Tomita
Husband
Ariyoshi Yasuomi

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