Retractable shock absorber

Spring devices – Vehicle – Comprising compressible fluid

Patent

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Details

188265, 188300, F16F 500

Patent

active

041391861

ABSTRACT:
A hevy duty, retractable, hydraulic, telescopic shock absorber of the type employed on fire engines, artillery vehicles and the like includes a valve arrangement for venting the main cylinder to hold a floating absorber piston in any working position. The shock absorber includes a passageway between a damping fluid reservoir and the cylinder chamber. The passageway is in open communication with the cylinder chamber when the floating piston is in an extreme position. A valve closes the passageway when the floating piston is in a position other than the extreme position.

REFERENCES:
patent: 3145985 (1964-08-01), DeCarbon
patent: 3213973 (1965-10-01), Damon
patent: 3540683 (1970-11-01), Foster
patent: 3807717 (1974-04-01), Ito
patent: 3897940 (1975-08-01), Gele

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