Shock absorber for bumpers

Details Shock absorber for bumpers Shock absorber for bumpers

1975-05-30

1977-06-14

Tollberg, Stanley H.

Spring devices

Vehicle

Comprising compressible fluid

267116, F16F 9346

Patent

active

040293041

ABSTRACT:
A shock absorber for bumpers comprising a fixed bottomed outer cylinder and an inner cylinder which is slidably fitted in said outer cylinder and to the front end of which a bumper is to be fitted, said outer cylinder being provided with a stopper to prevent the inner cylinder from escaping and said inner cylinder being slidably fitted with a piston having damping force generating holes, filled with a compressible fluid and engaged with said stopper, said fluid being compressed by pulling a piston rod connected with the piston in the end part through the base end of the inner cylinder so as to collide with the bottom surface of the outer cylinder to press the inner cylinder into the outer cylinder.

REFERENCES:
patent: 3139989 (1964-07-01), Thornhill
patent: 3190458 (1965-06-01), Zanow
patent: 3341189 (1967-09-01), Rumsey
patent: 3412870 (1968-11-01), Rollins
patent: 3722640 (1973-03-01), Taylor
patent: 3853311 (1974-12-01), Kreuzer et al.
patent: 3860225 (1975-01-01), Kaisha
patent: 3870287 (1975-03-01), McMahon
patent: 3933344 (1976-01-01), Taylor

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