Patent ID: 8122792

Claim:
A clamp comprising: a fixed assembly including a first jaw; a moveable jaw supported on the fixed assembly for rotational motion relative thereto; a lever pivotably connected to the fixed assembly, said lever moveable between an open position and a locked clamping position; and a linkage for locking the lever relative to the fixed assembly in the clamping position, said linkage comprising: a first link connected to said fixed assembly at a fixed pivot, wherein the first link is connected to the fixed assembly at a portion of the fixed assembly that is non-adjustable relative to the first jaw, said first link being pivotable at two points, a second link connected to said first link; and a moveable member for presetting and changing a relative angle between said first link and said second link to vary the clamping force generated by the clamp, said moveable member being attached to said second link and asserting force against said first link when said lever is in the open position.