Shock absorber with compression spring and dust tube

Details Shock absorber with compression spring and dust tube Shock absorber with compression spring and dust tube

1979-04-11

1980-11-25

Kazenske, Edward R.

Spring devices

Vehicle

Bolster

188322, 267 35, F16F 938, F16F 948

Patent

active

042354269

ABSTRACT:
Shock absorber unit with polymeric convoluted compression spring having a variable spring rate is carried by the piston rod above the seal cover of the unit. The lower portion of the compression spring is formed with a series of mounting and stabilizing lips for the attachment of a dust tube encircling and protecting the upper portion of the piston rod. A rigid insert in the inner end of the compression spring prevents the polymeric material from flowing over the end of the shock absorber when the spring is under full compression loads and displacing the dust tube from its mounting.

REFERENCES:
patent: 3263983 (1966-08-01), Bliven
patent: 3346272 (1967-10-01), Smith
patent: 3499505 (1970-03-01), De Carbon
patent: 3830347 (1974-08-01), Fader et al.
patent: 3997150 (1976-12-01), Hanson et al.
patent: 4175771 (1979-11-01), Muzechuk
Repair Manual, Type 43, Audi 5000, 1st Edition, 42.2 Rear Suspension and Axle, Aug. 1977.

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