Piston and piston rod subassembly for a hydraulic damper

Details Piston and piston rod subassembly for a hydraulic damper Piston and piston rod subassembly for a hydraulic damper

1990-04-02

1991-08-13

Oberleitner, Robert J.

Brakes

Internal-resistance motion retarder

Having a thrust member with a variable volume chamber

18832222, 92255, 403274, F16F 954

Patent

active

050388975

ABSTRACT:
A piston and piston rod subassembly for use with a hydraulic damper is disclosed. The piston is formed from a substantially flat blank having a pattern of bendable tabs provided along a first edge. A bendable skirt is provided along a second edge of the blank. After the blank is formed into a cylindrical body, the tabs are crimped onto a flanged end of a piston rod. A valve assembly can be retained in the cylindrical body by crimping the skirt over the valve assembly.

REFERENCES:
patent: 2507266 (1950-05-01), Patriquin
patent: 3724615 (1973-04-01), Stormer
patent: 3901359 (1975-08-01), Jentsch
patent: 3981380 (1976-09-01), Andre
patent: 4298102 (1981-11-01), Nishikawa et al.
patent: 4396098 (1983-08-01), Petrak
patent: 4831916 (1989-05-01), Leigh-Monstevens et al.

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