Elevating platform attachment for trailer - is carried on pivoted parallelogram frame which is ram actuated to keep platform horizontal

摘要

The trailer is fitted with a pivoted frame of parallelogram type, which allows a lifting platform to be raised to keep within prescribed height limits, always parallel to the trailer chassis. The axes of the parallelogram are fitted to the front of the lifting platform and rear of the chassis respectively. The width is that of the axle and the assembly is actuated by a ram fitted to the chassis and acting on a cross member of the assembly. The rear platform transverse has fixing feet (8) attached to it.