Rear impact trailer guard

Details Rear impact trailer guard Rear impact trailer guard

1996-04-15

1997-05-27

Pedder, Dennis H.

Vehicle fenders

Buffer or bumper type

Having means maintaining bumper distance above road

293118, B60R 1956

Patent

active

056325185

ABSTRACT:
An auxiliary protection device is attached to the rear of a semitrailer wh resists the tendency of passenger vehicles to go under a trailer upon impact in order to provide an increased measure of safety. In addition, the device to will absorb energy incrementally so as to minimize vehicle damage at low speeds but have sufficient energy absorption to safely prevent incursion at moderate speeds. The device can be moved to a retracted position to allow the trailer to back up a ramp or into a plane with the protection device retracted so as to avoid injury to the ramp.

REFERENCES:
patent: 3871695 (1975-03-01), Koenig
patent: 4026590 (1977-05-01), Holm
patent: 5507546 (1996-04-01), Holley

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