Abstract: This invention concerns a coupling for connecting two rods, said coupling being characterised by a cylindrical hollow body closed at one end with a jaw-shaped bottom wall and a clamp consisting of two jaws housed and sliding in a sleeve placed in a off-centre and slanted position with respect to said body.

Abstract: The present invention is for an improved stand (2) typically of the music variety. The improvements consist of a stabilizing cam (10) and a compact, centrally located, adjustable position memory element (16). The stabilizing cam (10) may be used in a variety of structures to micro adjust the level of the stand (2) to provide better support and stability. The adjustable position memory element (16) may be used on a variety of devices as well including an articulable support stand such that the support stand can be returned upon reuse to a preselected position from a plurality of preselected available positions.