Sealed cushioning unit

Details Sealed cushioning unit Sealed cushioning unit

1975-01-06

1977-08-23

Marbert, James B.

Spring devices

Fluid

Bumper

61 48, 114219, 213 43, 267 65R, F16F 910

Patent

active

040435458

ABSTRACT:
A method and apparatus for cushioning motion and dissipating impact energy, preferably in a marine environment, including a piston and cylinder assembly, impedance means associated with the piston and cylinder for impeding translation of the piston within the cylinder assembly and an isolation and restoring assembly protectively surrounding the piston and cylinder assembly and continuously biasing the piston and cylinder assembly in a normally extended position operable to dissipate impact energy. The method includes the steps of isolating the piston and cylinder assembly from an ambient environment, cushioning impact forces imparted to the piston and cylinder assembly and restoring the assembly in an extended posture operable to dissipate subsequent impact energy imparted thereto.

REFERENCES:
patent: 2936860 (1960-05-01), Peras
patent: 3109404 (1963-11-01), Hartel
patent: 3658314 (1972-04-01), Luzsicza
patent: 3729101 (1973-04-01), Brambilla et al.
patent: 3791534 (1974-02-01), Stephenson
patent: 3795390 (1974-03-01), Kendall et al.
patent: 3830329 (1974-08-01), Sumida

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