Trailer underride crash guard

Details Trailer underride crash guard Trailer underride crash guard

1999-01-08

2000-09-12

Dayoan, D. Glenn

Vehicle fenders

Buffer or bumper type

Bumper having impact force absorbing means directly...

293132, B60R 1936

Patent

active

061166677

ABSTRACT:
A vehicle bumper and underride crash guard protection device to prevent other vehicles underriding the protected vehicle. The bumper or guard system uses pre-tensioned brake plates which absorb energy by moving at a predeterimined force. The bumper structure has a pivoting arrangement such that upon contact of the main bumper guard by a vehicle, the pivoting member transmits the horizontal force of the moving vehicle to the pre-tensioned energy absorption devices usually located under the vehicle. The bumper system allows large, load-carrying vehicles to comply with certain vehicle regulatory requirements for a crash guard bumper with the capability of deforming, moving or absorbing crash forces at predetermined impact points in a predetermined and regulated fashion.

REFERENCES:
patent: 3871695 (1975-03-01), Koenig
patent: 4410207 (1983-10-01), Scharf
patent: 4514002 (1985-04-01), McIntosh
patent: 4541661 (1985-09-01), Hawk
patent: 4641871 (1987-02-01), Vaughn
patent: 4979770 (1990-12-01), Shal-Bar
patent: 5520428 (1996-05-01), Bell
patent: 5624143 (1997-04-01), Waldschmitt

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