Adjustable self-support stand

An adjustable support stand comprising:

• (a) four legs, each of said legs being formed in a generally L-shaped right angle configuration which includes a substantially horizontal arm portion and a substantially vertical, upright portion;
• and
• (b) assembly means for connecting said substantially horizontal arm portions of said legs in diametrically opposed pairs, said assembly means comprising four shell members journaled about a tightening member, each of said shell members comprising two-half sleeves and a hollowed cylindrical skirt, each of said members further comprising means for retaining one of said horizontal arm portions, said assembly means further comprising first adjustment means for angularly adjusting said legs about a vertical axis and second adjustment means for adjusting the distance between legs comprising each diametrically opposed pair, said legs together defining a polygonal support surface for an article which can be adjusted as a function of the dimensions of an object to be supported, each of said diametrically opposed pairs of legs adapted to be adjusted over a maximum amplitude between one position in which said pairs are arranged perpendicularly and another position in which said pairs are arranged substantially parallel.