초록 ▼

A knock-down support structure for shelving units having upright hollow posts with internal perpendicular channels and connecting horizontal stringers with bent ends inserted in said channels. The bent ends have struck-out tabs that are held in keyhole slots in the posts. The structure has a locking

A knock-down support structure for shelving units having upright hollow posts with internal perpendicular channels and connecting horizontal stringers with bent ends inserted in said channels. The bent ends have struck-out tabs that are held in keyhole slots in the posts. The structure has a locking means on the stringers for locking the respective stringer to the adjacent post.

대표청구항 ▼

A knock-down support structure for shelving units comprising an upright hollow post having a first channel and a second channel extending substantially perpendicular to said first channel and communication therewith, said post having a plurality of keyhole slots in spaced superposed relationship adj

A knock-down support structure for shelving units comprising an upright hollow post having a first channel and a second channel extending substantially perpendicular to said first channel and communication therewith, said post having a plurality of keyhole slots in spaced superposed relationship adjacent to said second channel, a connecting stringer having at least one extreme end being provided with a flange extending substantially perpendicular to the plane of said stringer and provided with a tab element on the surface of said flange adjacent to said keyhole slots, and a part of said stringer adjacent to said flange being inserted within said first channel while said tab element is in said second channel and latched in a selected keyhole slot.