Patent ID: 7004371

Claim:
A gripper for detaching a packaged chip from a printed circuit board, the packaged chip including a plurality of solder balls located in a gap between the printed circuit board and the packaged chip, the gripper comprising: a) four elastic slices, each of the four elastic slices being an elastic member and having: i) a fastened end; and ii) a flexible end; b) four hooks selectively engaging four sides of a packaged chip, each of the four hooks is fixedly connected to the flexible end of one of the four elastic slices, each of the four hooks having: i) an upholding part inserted into the gap between the printed circuit board and the packaged chip; and ii) a chip-gripping part connected to the flexible end of one of the four slices and selectively engaging a side of the packaged chip; and wherein each of the four elastic slices is fixedly connected together at the fastened end thereof forming a connected end having a square cross section, wherein the connected end includes a square pipe having four side surfaces, the fastened end of each of the four elastic slices is fixedly connected to one of the four side surfaces of the square pipe.