Land vehicles – Suspension modification enacted during travel – Suspension stiffness for ride comfort
Patent
1996-07-03
1999-02-23
Culbreth, Eric D.
Land vehicles
Suspension modification enacted during travel
Suspension stiffness for ride comfort
280 5515, 280 6157, 280124163, B60G 1146
Patent
active
058735810
ABSTRACT:
By this invention is provided an apparatus and method of improving the ride and handling characteristics of the tractor unit of a tractor trailer rig which is used to haul loads over highways. The apparatus provides an air bellows located above the springs behind the axle of the wheels and in front of the rear shackle of the springs and is designed to apply an adjustable, governed force above the springs in the plane defined by the center line of the tractor frame and the longitudinal axis of the spring.
REFERENCES:
patent: 2881799 (1959-04-01), Menewisch
patent: 3050316 (1962-08-01), Behles
patent: 3063732 (1962-11-01), Harbers et al.
patent: 3285281 (1966-11-01), Pribonic et al.
patent: 4919399 (1990-04-01), Selzer et al.
patent: 5271638 (1993-12-01), Yale
Culbreth Eric D.
Nisbett Robert
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