Patent ID: 8297707

Claim:
A movable support leg comprising: a base, a column disposed on the base, and a holding surface adjustably fixed on the column, wherein a height and an angle of the holding surface relative to the column are adjustable by using first and second rods and the column, wherein a top end of each of the first and second rods is axially connected with the holding surface by using one screw, wherein a bottom end of each of the first and second rods is adjustably fixed on the column, wherein the first rod is formed by selecting from a V shape and a straight rod shape and the second rod is formed by selecting from a V shape and a straight rod shape; wherein when the first rod is formed in the V-shape and the second rod is straight, two top ends of two sides of the first rod are axially connected with the holding surface by using two screws individually, a bottom end of the two sides of the first rod is connected with the column by a sliding member, a top end of the second rod is axially coupled with the holding surface by one screw, and a bottom end of the second rod is fitted onto the column; and wherein when the second rod is formed in the V shape and the first rod is straight, two top ends of two sides of the second rod are axially connected with the holding surface individually by using two screws, a bottom end of the two sides of the second rod is fitted onto the column, a top end of the first rod is axially coupled with the holding surface by using one screw, and a bottom end of the first rod is connected with the column by the sliding member.