Damping force adjusting device for dampers

Details Damping force adjusting device for dampers Damping force adjusting device for dampers

1994-12-22

1996-04-16

Ryznic, John E.

Brakes

Internal-resistance motion retarder

Controlled by an operator remote from retarder

188319, F16F 946

Patent

active

055073719

ABSTRACT:
A main piston which divides the inside of a cylinder into chambers A and B has oil passages on the expanding side formed therethrough, and is mounted with a damping valve on the expanding side capable of closing the oil passages. The damping valve on the expanding side deforms in a deflecting manner to produce a damping force. A disc spring is disposed behind the damping valve on the expanding side to exert a biasing force on the rear face thereof. The disc spring is linked in an actuating manner to an operating rod mounted through a piston rod, thereby allowing a change of the biasing force exerted on the damping valve on the expanding side.

REFERENCES:
patent: 4953671 (1990-09-01), Imaizumi
patent: 5133434 (1992-07-01), Kikushima et al.
Patent Abstracts of Japan, vol. 14, No. 319 (M-996) [4262], 9 Jul. 1990 and Japan 02 107840 (Kayaba Ind. Co.), 19 Apr. 1990.

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