Gas spring with dual damping arrangement

Details Gas spring with dual damping arrangement Gas spring with dual damping arrangement

1975-03-18

1976-06-15

Marbert, James B.

Spring devices

Fluid

Expansible-contractible chamber device

267 64R, 296 56, 296 57R, F16F 500

Patent

active

039632270

ABSTRACT:
A gas spring of the cylinder-and-piston type having a throttling passage in the piston has a cup-shaped receptacle coaxially mounted on the piston about the piston rod and a plunger mounted on the annular end wall of the cylinder through which the piston rod passes. The plunger enters the receptacle when the piston rod approaches the outer end of its stroke, and fluid can be displaced by the plunger from the receptacle only through a narrow gap between respective walls of the plunger and receptacle for supplemental damping action.

REFERENCES:
patent: 3446318 (1969-05-01), Duckett
patent: 3851867 (1974-12-01), Fricko

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