Patent ID: 8636067

Claim:
A cement head comprising: a) a sub assembly having a bore for fluid flow and at least one groove disposed on said sub assembly, wherein said at least one groove is oriented substantially parallel to the bore of said sub assembly; b) a body member joined to said sub assembly, said body member having a bore for fluid flow in fluid communication with the bore of said sub assembly, and a dog recess; c) a connection assembly for joining said sub assembly to said body member, said connection assembly comprising: i) a in end connector having interrupted threads; ii) a mating box end connector having interrupted threads; d) a ring having a top, a bottom, a length, an internal surface, at least one face dog, a substantially rectangular aperture extending through said ring and at least one spline disposed on said internal surface, wherein said ring is slidably received on said sub assembly, said at least one spline is received within said at least one groove on said sub assembly, and said at least one face dog is received within said at least one dog recess on said body member; and e) an eccentric cam disposed within said substantially rectangular aperture and rotatably connected to said sub assembly, wherein rotation of said eccentric cam applies axial force to said ring.