Vibration buffer

Details Vibration buffer Vibration buffer

1990-06-12

1991-09-24

Butler, Douglas C.

Spring devices

Resilient shock or vibration absorber

188378, 188283, 188312, F16M 100

Patent

active

050508490

ABSTRACT:
A hydraulic vibration buffer for connection between two members with a case coupled with the first member, a piston rod with its top end coupled with a second member, a piston coupled with a base end of the piston rod and housed within the cylinder case so as to divide the cylinder case into first and second chambers, fluid source, a tank, and a control valve disposed in fluid paths connecting the cylinder case, the fluid source, and the tank with one another. The vibration buffer also includes returning-force application device constituted by a swingable link with its one and other ends coupled with the first member and the housing block through which the fluid paths extend, and a pair of springs disposed between a center portion of the swingable link and the spool of the control valve.

REFERENCES:
patent: 3638885 (1972-02-01), Reed
patent: 3702647 (1972-11-01), Richardson
patent: 4898264 (1990-02-01), Miller

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