Patent ID: 7036808

Claim:
A clamp device comprising a support frame member, a lower clamp unit supported by the support frame member for clamping a first work piece at a first lower elevation and an upper clamp unit supported by the support frame member for clamping a second work piece at a second upper elevation, the lower clamp unit having a pair of lower jaws to hold the first work piece and first actuating means for actuating at least one of the lower jaws between clamped and unclamped positions, the upper clamp unit having a first upper jaw and a second upper jaw to hold the second work piece, and a second actuating means for actuating at least one of the upper jaws between clamped and unclamped positions, the first upper jaw being fixed with a first of said lower jaws to form an intermediate jaw arrangement for movement therewith between the clamped and unclamped positions, the intermediate jaw arrangement being located above the first lower elevation and below the second upper elevation, the lower clamp unit further comprising a lower anchor portion mounted on the support frame member the first lower jaw including a first member pivotally coupled to the lower anchor portion for movement about a first axis and a second member coupled to the first member, the upper clamp unit further comprising an upper anchor portion which is mounted on the support frame member, the second upper jaw being movable relative to the upper anchor portion, the second upper jaw including a third member pivotally coupled to the upper anchor portion for movement about a second axis and a fourth member which is coupled to the third member.