Land vehicles – Wheeled – Running gear
Patent
1992-08-17
1993-12-21
Culbreth, Eric D.
Land vehicles
Wheeled
Running gear
280718, B60G 1146
Patent
active
052716384
ABSTRACT:
This invention provides an apparatus and method of improving the ride, handling and steering characteristics of the tractor unit of a tractor-trailer rig or a truck which is used to haul loads over highways. The apparatus includes an air bellows spring located directly over the leaf spring of said truck between the steering-wheels axle and the rear shackle of the leaf springs. The air bellows spring is designed and located to apply a manually adjustable force to the leaf springs without creating any torque about the longitudinal axis of the leaf spring.
REFERENCES:
patent: Re23704 (1953-09-01), De Lay
patent: 3063732 (1962-11-01), Harbers et al.
patent: 3133745 (1964-05-01), Granning
patent: 3285281 (1966-11-01), Pribonic et al.
patent: 4919399 (1990-04-01), Selzer et al.
patent: 5024462 (1991-06-01), Assh
Culbreth Eric D.
Nisbett Robert
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