Patent ID: 8172494

Claim:
In an adjustable decking system for use in supporting freight in a compartment having opposing walls, such system having a pair of similar tracks with a plurality of spaced apart apertures and, said tracks having side members adjacent sides of said plurality of spaced apart apertures and said tracks being mounted on said opposing walls in directly opposing relationship to each other, and a beam assembly formed by a pair of channel units and a beam member in which the channel units are telescopically supported for slidable longitudinal motion with one end of each of said channel units protruding from opposite ends of the beam member respectively, the improvement comprising, in combination: a guide shoe pivotally attached to each of the protruding ends of said channel units, each of said guide shoes having a lock key pivotally supported thereon and said guide shoes having a latched position and a sliding position, each of said lock keys having: a pair of latching fingers extending therefrom which fit into a pair of adjacent ones of said apertures in a respective one of said tracks, said latching fingers being positioned in said pair of apertures for said guide shoes in said latched position thereof and said latching fingers free of engagement with said pair of apertures for said guide shoes in said sliding position, said beam assembly being selectively adjustable in height along said opposing tracks by slidably positioning said guide shoes along said tracks for said guide shoes in said sliding position to bring said latching fingers of said lock keys into engagement with a selected a pair of said opposing track apertures at a preselected height on said respective track; and, a hook shaped tab on each of said lock keys and each of said hook shaped tabs having a hook opening, a heel portion and a hook tip portion; a biasing spring for resiliently urging said lock keys toward said respective track to position said latching fingers in said track apertures and resisting movement of said lock keys away from said track.