Leakage bellows of hydraulic damper protected by oppositely woun

Details Leakage bellows of hydraulic damper protected by oppositely woun Leakage bellows of hydraulic damper protected by oppositely woun

1994-12-01

1996-01-30

Ballato, Josie A.

Brakes

Internal-resistance motion retarder

Having a thrust member with a variable volume chamber

18832216, 188280, 267226, 267122, 267250, F16F 904

Patent

active

054874548

ABSTRACT:
A hydraulic damper including a cylinder and a piston rod and a seal for the piston rod and a metal bellows fixedly mounted between the cylinder and the piston rod for accepting leakage of hydraulic fluid from the cylinder, and a spring arrangement encircling the cylinder and piston rod, the spring arrangement consisting of two equal length, equal size springs wound in opposite directions with their outer ends fixed to the cylinder and piston rod and having their inner ends bearing against each other to eliminate the application of torque from the springs to the bellows.

REFERENCES:
patent: 4638895 (1987-01-01), Taylor et al.
patent: 4768627 (1988-09-01), Taylor
patent: 4815574 (1989-03-01), Taylor et al.
patent: 5178241 (1993-01-01), Aubry

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