Hydraulically damped tubular rubber spring

Details Hydraulically damped tubular rubber spring Hydraulically damped tubular rubber spring

1988-03-31

1989-04-04

Butler, Douglas C.

Spring devices

Resilient shock or vibration absorber

Including energy absorbing means or feature

267219, 267152, 2671412, 248562, F16F 1300

Patent

active

048179264

ABSTRACT:
A hydraulically damped tubular rubber spring comprising spaced apart inner and outer tubes, made of aluminum, sheet metal or plastic. Disposed in the spacing between the tubes is a rubber element which is adhesively mounted both internally and externally and which comprises at least two chambers, arranged in a row in the direction in which the forces are applied, and separated by a partition. These chambers are filled with a liquid and interconnected through at least one throttle opening. The inner tube is provided at least at one point with a radial enlargement of its wall, and the throttle opening is enclosed over at least a portion of its length by the radial enlargement.

REFERENCES:
patent: 4588174 (1986-05-01), Konishi
patent: 4605207 (1986-08-01), Konishi
patent: 4702346 (1987-10-01), Uno et al.
patent: 4717111 (1988-01-01), Saito
patent: 4728086 (1988-03-01), Ishiyama et al.
patent: 4749174 (1988-06-01), Kanda

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