Spring devices – Resilient shock or vibration absorber – Including energy absorbing means or feature
Patent
1992-02-18
1992-12-15
Oberleitner, Robert J.
Spring devices
Resilient shock or vibration absorber
Including energy absorbing means or feature
267219, 248562, 248636, F16M 100
Patent
active
051709996
ABSTRACT:
A vibration isolating device has a liquid chamber which is hollow space defined mainly by a vibration absorbing main body made of an elastic material containing a natural rubber having a low loss factor and a flexible membrane made of an elastic material containing a heat- and ozone-resistant rubber and in which a liquid is charged, the liquid chamber being divided into liquid sub-chambers which communicate through a passage. The vibration absorbing main body in which an inner cylinder is inserted and the flexible membrane are attached by vulcanizing to an intermediate cylindrical case. A metallic cylinder in which the aforementioned passage is formed and the intermediate cylindrical ase are press fitted in an outer cylinder. The passage exctends from the outer circumference of the intermediate cylindrical case to the outer cylinder.
REFERENCES:
patent: 4693456 (1990-12-01), Kanda
patent: 4720087 (1990-12-01), Duclos et al.
patent: 4728086 (1990-12-01), Ishiyama et al.
patent: 4749173 (1990-02-01), Kanda
patent: 4893798 (1990-01-01), Hibi et al.
Bridgestone Corporation
Oberleitner Robert J.
Schwartz Chris
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