Shock absorber having a piston permanently attached to its pisto

Details Shock absorber having a piston permanently attached to its pisto Shock absorber having a piston permanently attached to its pisto

1995-09-20

1998-06-23

Graham, Matthew C.

Brakes

Internal-resistance motion retarder

Valve structure or location

F16F 932

Patent

active

057691924

ABSTRACT:
Shock absorber valve for a hydraulic telescoping strut shock absorber, in which, running through a valve body, there are passages whose respective outlet-side openings are covered by ring-shaped valve discs, whereby the valve discs and the valve body are fastened and axially braced in line. The object of the invention is to make possible fully-automated assembly with short cycle times using the dry process, whereby a valve closing force independent of tolerances is achieved by using a method which generates as few chips from cutting and machining as possible. To achieve this object, the invention teaches that the valve discs and the valve body are threaded and prestressed onto a cylindrical component, whereby a fastening element is fixed to the cylindrical component.

REFERENCES:
patent: 2648405 (1953-08-01), Palmer
patent: 2697496 (1954-12-01), McIntyre
patent: 3056473 (1962-10-01), Zeidler
patent: 3214511 (1965-10-01), Franklin
patent: 3312150 (1967-04-01), Strader
patent: 3808956 (1974-05-01), Knapp
patent: 3868192 (1975-02-01), Pennington et al.
patent: 3896908 (1975-07-01), Petrak
patent: 4064977 (1977-12-01), Taylor
patent: 4121704 (1978-10-01), Nicholls
patent: 4203507 (1980-05-01), Tomita et al.
patent: 4624347 (1986-11-01), Mourray
patent: 4650043 (1987-03-01), Eckersley
patent: 4791712 (1988-12-01), Wells et al.

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