Adjustable golf club shaft and hosel assembly

摘要

An adjustable shaft and hosel assembly allows for dependent and independent adjustment of a golf club's face angle, loft angle, and lie angle. The adjustable shaft and hosel assembly comprises a shaft sleeve with a joint portion, a hosel portion, and a fitting piece, wherein the joint portion fits within the fitting piece and the fitting piece fits within the hosel portion.

主权项

1. An adjustable golf club head comprising:
a body comprising a face, a sole, and a crown; a shaft sleeve comprising a shaft-receiving bore and a joint connection, wherein the joint connection protrudes from a lower surface of the shaft sleeve and comprises two joint connection pins and a fastener bore; a hosel comprising a plurality of side notches and a hosel bore extending from the sole to the crown; a fitting member sized to fit within the hosel bore proximate the crown, wherein the fitting member comprises a fitting member bore, a plurality of fitting member notches, and two fitting member pins; a flange disposed within the hosel bore and comprising a convex lower surface; a first washer; and a fastener comprising a fastener head and a threaded body, wherein the joint connection fits within the fitting member bore such that the joint connection pins rest within the fitting member notches; wherein the fitting member fits within the hosel bore such that the fitting member pins rest within the side notches, and wherein the fitting member can move within the hosel bore along a first axis, wherein the joint connection can move within the fitting member bore along a second axis, wherein the first axis is perpendicular to the second axis, wherein moving the shaft sleeve changes the angle of the shaft sleeve with respect to the face, wherein the fastener is inserted into the hosel bore through the sole, wherein the threaded body engages the fastener bore to connect the shaft sleeve to the head, wherein the washer is disposed between the fastener head and the convex lower surface of the flange, and wherein the washer comprises a concave surface that mates with the convex lower surface of the flange.