Patent ID: 9597780
Date: 2017-03-21
CPC Classifications: B25B,F16B,Y10T

Claim:
1. A clamp head comprising an arched body having upper and lower faces, and opposing unequal length arms, the body further having a through aperture for a bolt or like threaded fastener extending between the upper and lower faces, the through aperture tapering outwardly through the body in a direction of the lower face, wherein the arms comprise a reaction arm, the reaction arm having a curved reaction face at a distal end extending across an entire width of the reaction arm and a clamping arm, the clamping arm having a curved clamping face at a distal end, the curved reaction face has a first edge that is proximal to the clamping face and a second edge that is distal to the clamping face, wherein a radius of curvature of the reaction face increases in a direction of the second edge, wherein the upper face of the body is provided with a recess configured to receive an insert, wherein the through aperture extends through the body from a lower region of the recess, wherein the through aperture further intersects the reaction face and the clamping face.