| 摘要 |
An anti-jackknifing system for use on a tractor having a fifth wheel and a trailer having a trailer pin. The anti-jackknifing system is made of a non-cylindrical pin attached to the existing trailer pin, and a freely rotating brake disk mechanism. The brake disk mechanism has a central shaft and a brake disk attached to the central shaft. A non-cylindrical opening at the top of the central shaft couples the trailer to the brake disk mechanism so that the brake disk mechanism rotates when the trailer rotates. When the tractor brakes are applied, a braking system stops rotation of the brake disk.
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