Patent ID: 7101209

Claim:
A device for testing integrated circuits comprising: a base; a socket body held in the base for contacting a plurality of terminals from an integrated circuit; a lid assembly including a pressure plate having a first and a second bearing assembly on opposing sides of said pressure plate; a hinge joining said lid assembly to said base; a locking mechanism allowing locking of said lid to said base; a first and a second lever; a first and second ratchet head each at one end of said first and said second lever respectively; a plurality of teeth on an exterior circumference of each of said first and second ratchet head; an arc groove on each of said first and said second ratchet head, wherein said first and second bearing assembly are each respectively disposed within said first and said second arc groove such that rotation of said ratchet head causes vertical movement of said pressure plate; and a means for engaging said teeth, thereby preventing rotation of said first and said second ratchet head.