Patent ID: 8715103
Filing Date: 2014-05-06
Classification: A63B

Abstract:
1. An adjustable golf club comprising: a shaft sleeve comprising a shaft sleeve axis, a shaft-receiving bore having a bore axis that is coaxial with the shaft sleeve axis, a first indicium, and a universal joint connection protruding from a lower portion of the shaft sleeve and having a joint bore, at least two planar sides, and at least two curved sides; a first tubular adjustment piece comprising non-parallel upper and lower surfaces and a second indicium, the first tubular adjustment piece encircling at least a portion of the shaft sleeve; a second tubular adjustment piece comprising non-parallel upper and lower surfaces and a third indicium, the second tubular adjustment piece encircling at least a portion of the shaft sleeve; a golf club head comprising a hosel, the hosel comprising a fourth indicium and a hosel bore, at least part of the hosel bore having a diameter sized to receive at least a part of the shaft sleeve; a flange disposed within the hosel bore, the flange comprising a convex lower surface; and a fastener comprising a fastener head and a threaded body, wherein the hosel bore extends from an opening in a sole of the golf club head to an opening in the crown of the golf club head, wherein the fastener is inserted into the hosel bore through the opening in the sole, wherein the joint bore is sized to securely receive the threaded body, wherein the threaded body engages the joint bore to connect the shaft sleeve to the head, wherein the fastener head abuts the convex lower surface of the flange when the threaded body is fully engaged with the shaft sleeve, wherein the fastener removably fixes the shaft sleeve within the hosel, wherein each of the first and second tubular adjustment pieces provides a plurality of angular adjustments, and wherein when at least part of the shaft sleeve is disposed within the hosel bore, rotating the first and second tubular adjustment pieces around the shaft sleeve changes the angle of the shaft sleeve with respect to the golf club head.