Land vehicles – Wheeled – Running gear
Patent
1993-03-24
1994-11-22
Tyson, Karin L.
Land vehicles
Wheeled
Running gear
267 31, 267 47, B60G 1146
Patent
active
053662385
ABSTRACT:
A compact suspension system for a wheeled vehicle and method for its manufacture. The suspension includes a tapered, vertically mounted elongated arm having an integral eye at one end. The integral eye rotatably connects the elongated arm to the vehicle while the other end connects to an air spring attached to the vehicle. The axle connects to the arm near the air spring. The arm is tapered between the axle and the integral eye so that the amount of arm material, and thus weight, is reduced. A second arm is placed adjacent to, and parallel with, the first arm to back up the first arm if the first arm fails, or vice versa. A shock absorber is mounted near the axle on the opposite side of the axle as the air spring. The method of manufacture includes plasma cutting a blank elongated arm from spring steel, heat-treating the arm, machining to final form, and then shot peening the arm.
REFERENCES:
patent: 1926346 (1933-09-01), Mogford
patent: 2941817 (1960-06-01), Benson
patent: 3190632 (1965-06-01), Barenyi
patent: 3406983 (1968-10-01), Masser
patent: 3434707 (1969-03-01), Raidel
patent: 3596923 (1971-08-01), Nakamura
patent: 3630541 (1971-12-01), Carlson
patent: 3664452 (1972-05-01), Schaeff
patent: 4103932 (1978-08-01), Parker
patent: 4143888 (1979-03-01), Heinig
Paccar Inc.
Tyson Karin L.
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