Adjustable merchandise display structure

Claim 1

A merchandise display system comprising a carrier supported by a plurality of adjustably interconnected arms, one said arm being received in a mounting base that is adapted for connection to a mounting structure, said mounting base comprising: a) a U-shaped clamping bracket comprising a flat web plate from a first side of which project two parallel limbs which define with the web a channel, an adjustable screw-threaded clamp being associated with one said limb and operative to coact with the other said limb to clamp said bracket to the mounting structure; b) an attachment plate which lies parallel to an opposite side of said web plate and is detachably connected to said web plate by threaded screws that pass through aligned holes in said web plate and said attachment plate respectively, said holes being positioned for mutual alignment in a plurality of different orientations of said plate relative to said web; said attachment plate having connected thereto a sleeve that defines an axis lying parallel to said attachment plate, said sleeve being sized to slidably receive said one arm therein and including releasable locking means operative to secure said one arm at a selected longitudinal position therein; a first swivel joint interconnecting an end of said one arm with an adjacent end of a second said arm, said swivel joint including a swivel clamp that is operative to lock together said first and second arms in a selected relative orientation thereof; wherein said attachment plate has a wall projecting therefrom, said sleeve being detachably supported on said wall by a fastener which constitutes said releasable locking means.