Land vehicles: bodies and tops – Bodies – End gates
Patent
1985-08-12
1987-09-08
Reeves, Robert B.
Land vehicles: bodies and tops
Bodies
End gates
296 56, 296 57A, B62D 2500
Patent
active
046919562
ABSTRACT:
An improved counterbalanced tailgate for dump boxes including a continuous pivot shaft which extends across the entire width of the gate bottom and is rotatably contained within the gate and extends through the sides thereof. One or more heavy duty helical springs are coaxially mounted about the shaft with one end of each spring being attached to the shaft, and the other either affixed to or bearing against a portion of the tailgate so that the springs resiliently resist rotation of the shaft about its longitudinal axis. A bayonette type latching arm is rigidly attached to each protruding shaft end, and an opening is provided in the lower side wall of the dump body on each side to receive the latching arms. Appropriate pawl mechanisms are disposed either within the walls of the dump body, or therebeneath for engaging the latching arms such that when the arms are in a locked position, outer ends of the shaft will engage, and the gate will be supported by, a socket forming striker bracket as the gate is pivoted downwardly against the resilient bias of the counterbalancing springs.
REFERENCES:
patent: 2260504 (1941-10-01), Barrett
patent: 2821431 (1958-01-01), Crompton
patent: 3027188 (1962-03-01), Eichstadt
Cook's Truck Body Mfg., Inc.
Hamrick Claude A. S.
Olson Carol L.
Reeves Robert B.
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