Fluid die spring

Details Fluid die spring Fluid die spring

1984-03-01

1985-07-16

Butler, Douglas C.

Spring devices

Fluid

Expansible-contractible chamber device

267130, 277 27, 277110, 277165, 277205, F16F 902, F16J 1532

Patent

active

045291810

ABSTRACT:
A fluid die spring comprises a cylinder connected at one end to a reservoir of gas at high pressure. A piston in the cylinder has a smaller diameter rod projecting out the other end of the cylinder for engagement with a movable die member. The rod end of the cylinder has a high pressure seal engaging the rod and arranged to prevent leakage of liquid die lubricant into the cylinder.

REFERENCES:
patent: 3738665 (1973-06-01), Bilco
patent: 4342448 (1982-08-01), Wallis

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