Patent ID: 7992481

Claim:
A panel cutting apparatus comprising: a bench and a saw, the bench comprising a plurality of legs oriented vertically, and a plurality of horizontal supports disposed between, and secured to, the plurality of legs; a cylindrical rail mounted to said bench; a post receptacle affixed to one of the plurality of horizontal supports at one end; a tensioning mechanism, said tensioning mechanism comprising; a first block and a second block; wherein said rail traverses the first block, and is attached to the second block; and a threaded shaft, said threaded shaft traversing the second block; wherein the second block further comprises a post, the post configured and disposed to enter the post receptacle, thereby securing the second block to the bench; wherein the threaded shaft is configured and disposed to rotate, thereby exerting force on the second block, thereby inducing tension in the rail, wherein said saw comprises at least one bushing adapted to traverse said rail so that the saw is movable along said rail, wherein said bushing comprises an inner elliptical ring, said inner elliptical ring circumscribed by a circular outer ring.