A semi-trailer including an elongated trailer frame having a front portion and a rear portion, a wheel bogie disposed beneath the trailer frame, a jack disposed proximal the rear portion of the trailer frame, where the jack is configured to raise and lower the rear portion of the trailer frame, The jack includes an actuator connected to the trailer frame at the rear portion, a plurality of pivotal support arms connected to an end of the actuator and a plurality of ground engaging members connected to the end of the plurality of support arms, where the ground engaging members are powered to transversely move the rear portion of the trailer frame.
Semi-trailer
2021-08-31
Patent
Electronic Resource
English
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