| 摘要 |
<p>This is a portable or stationary shelf device wherein a plurality of supporting posts are provided for attachment to the corners of one or more of a plurality of vertically spaced shelves, the shelf or shelves having their corners cutaway complementary to the supporting posts, with U-shaped bolts having threaded legs secured to a U-strap at least partially countersunk in vertically spaced identified recesses partly about the corner post. The shelves have downturned vertical flanges, and each vertical flange has an inwardly turned rim. There are brackets across each cut-away shelf corner, the brackets being riveted or otherwise secured to the inwardly turned rims. The brackets have bolt receiving apertures aligned with bolt apertures in the flanges and provide a base through which the threaded bolts are secured, the nuts being biased against the inner faces of the brackets.</p> |
