SEMI-TRAILER TRUCK WITH FIFTH WHEEL WITH POWER-OPERATED CLOSURE
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United States of America
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Issued Date -
Dec 19, 2024
app pub date -
Jun 11, 2024
filing date -
Jun 11, 2024
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Abstract
The invention relates to a semi-trailer truck with a tractor (10) and a semitrailer (12) having a kingpin, wherein the tractor (10) comprises a fifth wheel coupling (14) with a coupling plate (15), a closure for the king pin, an actuating mechanism for actuating the closure, and a cylinder-piston assembly (16) engaging the actuating mechanism for moving the actuating mechanism. The tractor (10) further comprises a compressed air supply line (18) to which the cylinder-piston assembly (16) can be connected directly by means of a quick coupling. The quick coupling is formed from a first and a compatible second coupling element (22, 24). The semitrailer (12) comprises a compressed air system, wherein the cylinder-piston assembly (16) and the compressed air system of the semitrailer (12) are each assigned the identical first coupling element (22, 24), and the compressed air supply line (18) is assigned the compatible second coupling element (20).
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