Land vehicles – Wheeled – Articulated vehicle
Patent
1982-01-07
1984-01-03
Peters, Jr., Joseph F.
Land vehicles
Wheeled
Articulated vehicle
280 80R, 280 81R, 280677, B62D 5304
Patent
active
044238843
ABSTRACT:
A trailer assembly comprises a main frame, main axles carrying laterally spaced wheels for supporting the main frame, a suspension system connecting the main axles to the main frame, a kingpin for coupling the main frame to a power unit, a secondary frame, one or more booster axles carrying wheels for supporting the secondary frame, a suspension system connecting the booster axle or axles to the secondary frame, and a booster axle connection system between the main frame and secondary frame for proportionately distributing weight or force between the main axles to the one or more booster axles. The booster axle connection system includes a lever arm extending forward from the secondary frame, a support arm extending rearward from the main frame, and a variably positionable pivot connection between the support arm and the lever arm providing a fulcrum for movement of the lever arm. The fulcrum of the lever arm may be varied in relation to the number of booster axles to proportion the weight distribution between the main axles and the one or more booster axles. The secondary frame is sectioned to allow addition or deletion of booster axles. Connections between the support arm and the rear of the main frame and between the lever arm and the secondary frame allow the use of secondary frame sections in various combinations with the lever arm and main frame.
REFERENCES:
patent: 2446205 (1948-08-01), Wickersham et al.
patent: 2741489 (1956-04-01), Bigge
patent: 2772892 (1956-12-01), Hake et al.
patent: 2919928 (1960-01-01), Haffer
patent: 4111450 (1978-09-01), Pinto
McGiehan Donn
Nesbitt John R.
Peters Jr. Joseph F.
Talbert Manufacturing, Inc.
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