Abstract: A utility corner shelf bracket which enables easy installation and removal, which are done quickly and without requiring tools, of a utility corner shelf bracket, and placing a shelf upon it, and which it based on bows which are capable of bending on one plane and durable to loads perpendicular to this plane and a tensioning system which enables adjustment to the wall corner prior to installation and fastening to the wall during installation.

Abstract: A utility corner shelf bracket which enables easy installation and removal, which are done quickly and without requiring tools, of a utility corner shelf bracket, and placing a shelf upon it, and which it based on bows which are capable of bending on one plane and durable to loads perpendicular to this plane and a tensioning system which enables adjustment to the wall corner prior to installation and fastening to the wall during installation.

Abstract: A utility corner shelf bracket which enables easy installation and removal, which are done quickly and without requiring tools, of a utility corner shelf bracket, and placing a shelf upon it, and which it based on bows which are capable of bending on one plane and durable to loads perpendicular to this plane and a tensioning system which enables adjustment to the wall corner prior to installation and fastening to the wall during installation.

Abstract: A utility corner shelf bracket which enables easy installation and removal, which are done quickly and without requiring tools, of a utility corner shelf bracket, and placing a shelf upon it, and which it based on bows which are capable of bending on one plane and durable to loads perpendicular to this plane and a tensioning system which enables adjustment to the wall corner prior to installation and fastening to the wall during installation.

Abstract: A portable foldable multi carriage device that enable achieving large lateral gaps between carriages and enable modes of opening in which the carriages are not parallel, the portable foldable multi carriage device including a pair of first support members, wherein each of the first support members has two ends, a pair of second support members, wherein each of the second support members has two free ends, and a long shaft, wherein the pair of first support members is mounted on the long shaft and wherein the pair of second support members is mounted on the long shaft, having a rotational capability with regard to each other, the long shaft being the center of the rotation.

Abstract: A three dimensional puzzle comprising a plurality of layers, at least one of the layers comprising a plurality of seperable pieces; the layers being arrangeable about an elongated former to provide a three dimensional sculpture, wherein each of the pieces individually locks by a locking means to the former to retain a spatial relationship with the former, such that correct assembly of the pieces around the former provides a recognizable entity.