Patent ID: 8517855
Filing Date: 2013-08-27
Classification: A63B

Abstract:
1. A golf club head comprising: a body comprising a face plate, a crown, a hosel, and a sole, with the hosel defining a hosel opening, an annular shoulder, and an upper bearing surface, and the sole defining an opening that is in communication with the hosel opening and an internal bearing surface; an adjustable head-shaft connection system configured to allow the golf club head to be adjustably attachable to a golf club shaft in a plurality of different positions resulting in different combinations of loft angle, face angle, and lie angle, with the adjustable head-shaft connection system having a sleeve with an upper portion, the upper portion including an annular bearing surface, the annular bearing surface directly engaging the upper bearing surface of the hosel, the adjustable head-shaft connection system including a threaded lower opening and a screw extending through the opening in the sole and having a head defining a bearing surface engaging the internal bearing surface of the body and a threaded region engaging the threaded lower opening of the sleeve; a hosel insert secured inside the hosel and contacting the annular shoulder, the hosel insert of a height dimension less than a height dimension of the hosel including a rotation prevention portion with splines configured to mate with a rotation prevention portion of the adjustable head-shaft connection system; and at least two weights attachable to and removable from the body at a plurality of different positions relative to the body; wherein at least a portion of the crown has an areal weight of less than about 0.36 g/cm