Land vehicles – Wheeled – Running gear
Patent
1996-05-09
1997-11-25
Dickson, Paul N.
Land vehicles
Wheeled
Running gear
280711, B60G 1128, B60G 700
Patent
active
056903537
ABSTRACT:
A vehicle suspension system having a pair of hanger brackets and a pair of beams. A first end of each beam is pivotally attached to each hanger bracket, and an axle is rigidly attached to the second end of each beam. A tri-functional bushing is positioned at each pivot to provide a horizontal spring rate different from the vertical spring rate. Each beam is formed with a top section and a bottom section which are joined along the longitudinal axis. Both the top section and bottom section are formed with axle recesses complementary related to a portion of the axle. Each axle recess is formed with a trailing edge positioned on either side of a arcuate section of the axle. In one embodiment, a rear plate extends downwardly from the top section adjacent the front of the axle and is welded thereto. In another embodiment, a half sleeve is positioned circumferentially around a front portion of the axle and is complementary related to the axle recesses of the top section and the bottom section. In this embodiment, a portion of the half sleeve adjacent the neutral axis is removed, and a plug weld is positioned therein to secure the half sleeve to the axle and a weld bead is provided circumferentially around the half sleeve adjacent the axle recesses formed in the top section and bottom section to secure the trailing beam to the half sleeve.
REFERENCES:
patent: 4166640 (1979-09-01), Van Denberg
patent: 5037126 (1991-08-01), Gottschalk et al.
patent: 5366237 (1994-11-01), Dilling et al.
patent: 5375871 (1994-12-01), Mitchell et al.
The Weight is Over, Neway Genuine Light Trailer Air-Ride, Neway Corp.
SAE--SAE Technical Paper Series, Society of Automotive Engineers, Inc., pp. 1-12.
Dickson Paul N.
Suspensions Incorporated
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