Patent ID: 7121516

Claim:
An improved clamping stand comprising: a clamp having a pair of corresponding upper and lower clamping plates each including an arcuate thin portion, a straight thick portion integrated with a rectangular pad thereon, wherein said upper plate includes a circular through hole in a center of the straight portion and a pair of screw holes on two lateral sides of the circular through hole extending through the pad and a plurality of through holes formed spaced apart in a center of the arcuate thin portion, said lower plate includes a screw hole in a center of the straight thick portion through the pad and aligned with the circular through hole and a pair of through holes on two lateral sides of the screwhole aligned with the screw holes of said upper clamping plate respectively, said upper clamping plate connecting said lower clamping plate by a bolt and a pair of adjustable threaded rods respectively with a C-shaped safety plate engaged therebetween; a tubular upright having a plurality of screw holes formed spaced apart in a blocked lower end thereof aligned with the through holes of said upper clamping plate and fastened by screws; a pair of identical cushions having a shaped corresponding to the arcuate thin portions of said upper and lower clamping plates; when said clamping stand clamps the leaf of a desk, said cushions are respectively disposed between surfaces of said leaf and said upper and lower clamping plates, such that said bolt and said pair of threaded rods are then fastened respectively.