Vibration isolating device, and method for manufacturing same

Spring devices – Resilient shock or vibration absorber – Including energy absorbing means or feature

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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.

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