Pneumatic spring with stop mechanism

Details Pneumatic spring with stop mechanism Pneumatic spring with stop mechanism

1974-08-26

1976-02-17

Marbert, James B.

Spring devices

Fluid

Expansible-contractible chamber device

188300, 296 56, F16F 932

Patent

active

039387933

ABSTRACT:
A pneumatic spring of the piston-and-cylinder type suitable for balancing the trunk lid of a motorcar and like applications is equipped with a stop mechanism which stops relative axial movement of the piston or piston rod and of the cylinder in response to a force axially applied to the spring, but releases the cylinder and piston or piston rod from each other in response to an applied force greater than the first-mentioned force. Cooperating stop members on the cylinder and piston rod engage each other as long as the relative axial movement of the principal spring elements is stopped.

REFERENCES:
patent: 3182565 (1965-05-01), Millard

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