Semi-pneumatic energy absorbing bumper system for motor vehicles

Vehicle fenders – Double-ender interconnected

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Details

267140, B60R 1910

Patent

active

039892921

ABSTRACT:
Disclosed is a semi-pneumatic energy absorbing bumper system for interposition between two objects at least one of which is movable including module means having an impacting face and upper, lower and side walls terminating in a continuous bead, support means for mounting said module means to at least one of said objects, a plurality of reinforcing ribs connecting only the impacting face to the upper and lower side walls, means for holding the module means against the support means to form a cavity therebetween closed to the atmosphere, and means for permitting selective communication between the cavity and the atmosphere upon the application of an external force of predetermined magnitude to the module means.

REFERENCES:
patent: 2731290 (1956-01-01), Corydon
patent: 3768850 (1973-10-01), Barton et al.
patent: 3810668 (1974-05-01), Kornhauser

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