| 摘要 |
<p>The object of the invention is to eliminate the problem arising in road accidents of a tractor and its trailer, where often the tractor folds back violently against its trailer, which is often killing for the driver. Further, at each start, the driver is shaken vertically producing a settling down of the vertebra. The invention comprises an attaching saddle (1) fixed to the frame (2) as close as possible to the front axle. The front load of the trailer is supported by a jack (5) of which the roller (7) rotates on a curved rail (9) according to a radius starting from the center of the saddle. The liquid pressure of the jack is adjustable so that the saddle supports part of the front load of the trailer in order to eliminate the starting jolts. </p> |
