Guard assembly for a vehicle

Details Guard assembly for a vehicle Guard assembly for a vehicle

1989-07-14

1990-09-18

Mitchell, David M.

Motor vehicles

Power

Underpans

280770, B62D 2520

Patent

active

049571800

ABSTRACT:
A guard assembly for protecting lower portions of an earthmoving vehicle, such as the engine, transmission, and drive train, includes a guard plate which is held captive within a first space defined by sidewalls and endwalls of the vehicle frame. The guard plate can move within predetermined limits in longitudinal and lateral directions within the first space. Prior art lower guard assemblies utilize threaded fasteners to secure the guards directly to the vehicle frame. This produces loosening and breakage of the threaded fasteners when the vehicle frame flexes and twists. The subject guard assembly allows the guard plate to move slightly as the vehicle frame flexes and twists. Since the threaded fasteners holding the guard plate in place do not penetrate the guard plate, the threaded fasteners are not overstressed or slipped at the joint interfaces.

REFERENCES:
patent: 925783 (1909-06-01), Miller
patent: 1182378 (1916-05-01), Jewell
patent: 3670835 (1972-06-01), Ross et al.
patent: 3779330 (1973-12-01), Longpre
patent: 3826327 (1974-07-01), Stover
patent: 3866939 (1975-02-01), Fanslow
patent: 3874624 (1975-04-01), Gianessi
patent: 3927729 (1975-12-01), Gianessi
patent: 3993153 (1976-11-01), Hansen
patent: 4770262 (1988-09-01), Yasanuga et al.

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