Patent ID: 7074993

Claim:
In an instrument support having a bracket provided with a first leg, a second leg, a disk and two forks, the first leg being securely and fixedly connected to the disk and the second leg being pivotally connected to the disk and having a handle pivotally connected to the second leg to allow an extension which is integrally formed on a distal end of the handle to correspond to one of positioning holes in the disk to allow the first leg and the second leg to move with respect to one another, wherein the improvement comprises: each fork is movably and respectively received in the first and second legs and has an adjustable rod integrally formed with the fork to extend through a corresponding one of the first leg and the second leg so that movement of the two forks provide adaptation to thickness of different instruments, wherein each of the first leg and the second leg has a through hole defined in a side face of the first leg and second leg to communicate with an interior of the first leg and second leg to receive therein a spring-ball combination, and each adjustable rod has recesses defined in a side face of the adjustable rod to correspond to the spring-ball combination.