| 摘要 |
A mobile racking system for installation in a trailer van which is fitted on the inside sidewalls with a number of load retaining strips at different elevations to define different elevation loads. A number of clamping bracket assemblies are releasably attached to the retaining strips, each assembly being provided with a releasable engagement device for accepting a C-shaped track member to provide a pathway for accepting and supporting a carriage in the form of a roller pallet. The releasable engagement device has a cam member for securing the C-shaped track member to the load retaining strip. The roller pallet extends substantially across the width of the trailer van, the roller pallet having at least on one side, a pair of rollers which are rigidly secured to axles which are adapted to move laterally on the pallet to accommodate differences in the spacing between the two side walls of the trailer. The clamping bracket assembly has a "¢"-shaped body having upper and lower arms joined by a bight. A sleeve is secured to the bottom of the lower arm and extends towards the bight. A releasable engagement device, cooperatively supported by the sleeve, supports a cam member. By rotating a handle to an unlocked position, the clamping bracket assembly can be releasably fastened to the load retaining strip. In the mid-position of the handle, a camming portion of the cam member is raised upwardly to prevent accidental dislodgement of the clamping bracket assembly, and in the locking position, a high camming surface is wedged between the body of the clamping bracket assembly and the load retaining strip to lock the C-shaped track member in the bracket assembly.
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