Patent ID: 8393605

Claim:
A positioning fixture for positioning a workpiece, comprising: a base; a support mounted on the base and defining a recessed portion on its top surface for receiving a workpiece, wherein the support comprises two pairs of pins set in opposite sides of the recessed portion, two pairs of first positioning blocks respectively mounted on opposite sides of the recessed portion, a second positioning block mounted on another side of the recessed portion and two third positioning blocks mounted on another side thereof away from the second positioning block; two toggle clamps mounted on two opposite sides of the base and the support; and an upper cover placed on the support, wherein two pairs of first holes aligned with the pins are defined in a lower surface of the upper cover, the upper cover is pushed to slide along the first positioning blocks and the third positioning blocks until it is resisted by the second positioning block and the pins are received into the first holes, thereby limiting the upper cover on the support, and the upper cover cooperates with the two toggle clamps to position the workpiece on the support.