Patent ID: 7467443
Filing Date: 2008-12-23
Classification: H01L,Y10T

Abstract:
1. A retaining tool with rotational locating device comprising: a frame being two-parallel-elongated arm shape with a first end thereof providing a first lock part extending downward; a locator being disposed at a second end of the frame and providing a second lock part being opposite to the first lock part; and a joining seat, which is attached with a central processing unit and receives a heat sink, providing a jut at two opposite lateral sides thereof corresponding to said two lock parts respectively; wherein the frame has a flat plate portion at a second end thereof, provides a circular opening with a diametrical bar at the flat plate portion and an upward extending holding arm with an elongated hole from two opposite sides of said flat plate portion; wherein the locator further comprises: a locking unit, which is cylindrical with an elongated diametrical slit extending downward from an upper end thereof, passes through the circular opening in a way of the diametrical bar inserting in said slit and the second lock part being attached to a lower end thereof; and a cylindrical shaped adjustable unit providing a circumferential side and a top, having a continuous curve shaped guiding groove at the circumferential side with an uppermost end and a lowermost end, providing a handle extending outward from the top, receiving said upper end of the locking unit and being rotationally engaged to the lock unit with a spindle passing through said elongated hole, said locking unit and said guiding groove.