Vehicle fenders – Double-ender interconnected
Patent
1975-01-27
1976-06-01
Blunk, Evon C.
Vehicle fenders
Double-ender interconnected
267139, 293 71P, B60R 1908
Patent
active
039603970
ABSTRACT:
An energy-absorbing bumper system adapted to be mounted on a support structure which may be either a stationary structure or a movable structure, such as a vehicle, includes a deformable hollow longitudinally-extending bumper member, and a piston cylinder assembly adapted to be fixedly mounted on the support structure. The assembly includes a piston head reciprocatively mounted within the chamber of the assembly and is adapted to move toward and away from the structure, a piston rod fixedly connecting the head and the bumper member, and a head retaining device for maintaining releasably the head against the force of a spring which urges resiliently the head toward the bumper member, the head retaining device being adapted to release the head in response to a member-deforming impact on the hollow member. The bumper member includes an elongated gas-tight chamber extending the length of the bumper member and containing a gas under pressure to help absorb impacts. The head retaining device includes a pin extending through an opening in the piston cylinder assembly and into an aligned hole within the head to retain it against the force of the spring so that upon impact the head moves sufficiently rearwardly to release the pin and thereby to release the spring acting on the head to neutralize the impact sustained by the bumper member.
REFERENCES:
patent: 1380759 (1921-06-01), Whitaker
patent: 2890904 (1959-06-01), Materi
patent: 3097725 (1963-07-01), Peterson
patent: 3313567 (1967-04-01), Sturman
patent: 3432200 (1969-03-01), Barton
patent: 3741560 (1973-06-01), Schaller
Blunk Evon C.
Kleinke Bernard L.
Nase Jeffrey V.
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