Patent ID: 7437956

Claim:
A pull testing mechanism, comprising: a base; a first fixed member disposed on the base; a second fixed member disposed on the base and opposite the first fixed member; a first movable member movably connected to the first fixed member; a second movable member movably connected to the second fixed member and opposite the first movable member; a first rotating member comprising a first rod, a second rod, and a first hook, wherein the first rod is connected to the first movable member and second rod, the second rod abuts the first fixed member and extends to the underside of the base, and the first hook is connected to the second rod and under the base; a second rotating member comprising a third rod, a fourth rod, and a second hook, wherein the third rod is connected to the second movable member and fourth rod, the fourth rod abuts the second fixed member and extends to the underside of the base, and the second hook is connected to the fourth rod and under the base; and a third movable member movably abutting between the first and second movable members, wherein when the third movable member moves, the first and second movable members respectively move with respect to the first and second fixed members, the second rod and first hook rotate at a first angle by movement of the first movable member, and the fourth rod and second hook rotate at a second angle by movement of the second movable member.