Patent ID: 6113130
Filing Date: 2000-09-05
Classification: B60P,B62D

Abstract:
A trailer to be towed by a vehicle, comprising a platform having sides and a front and a rear end, a beam and parallel links on each side of said platform, said links pivoted to said platform and to said beam by a first and a second pivotal connection respectively, said links, beam and platform forming a deformable parallelogram on each side of said platform, said beam and platform being parallel, a ground engaging member on each side of said platform for supporting the latter above ground, said members pivotally connected to one of said links by a third pivotal connection spaced from said first pivotal connection, a tow bar protruding from said front end and rigidly joined to said beams, a hitch device at the free end of said tow bar for hitching said trailer to a towing vehicle, said platform resting on the ground in a loading/unloading position with said third pivotal connection above said platform, a towing force exerted on said tow bar, while said ground engaging members are stopped, causing forward movement of said third pivotal connections whereby said platform is elevated off the ground to a travelling position, and a locking device to releasable lock said platform in said travelling position.