Patent ID: 8801537
Filing Date: 2014-08-12
Classification: A63B

Abstract:
1. An adjustable golf club comprising: a shaft sleeve comprising a shaft-receiving bore and an external surface having a first reference marking; a first tubular adjustment piece comprising an external surface having a first positional marking extending at least part way around the circumference of the first tubular adjustment piece, and non-parallel upper and lower surfaces, the first tubular adjustment piece encircling at least a portion of the shaft sleeve; a second tubular adjustment piece comprising an external surface having a second positional marking extending at least part way around the circumference of the second tubular adjustment piece, and non-parallel upper and lower surfaces, the second tubular adjustment piece encircling at least a portion of the shaft sleeve; and a golf club head comprising a hosel, the hosel comprising a hosel bore and an external surface having a second reference marking, at least part of the hosel bore having a diameter sized to receive at least a part of the shaft sleeve, wherein when at least part of the shaft sleeve is disposed within the hosel bore, rotating at least one of the first and second tubular adjustment pieces around the shaft sleeve changes an angle of the shaft sleeve with respect to the hosel, creating a plurality of different angular settings, wherein the first reference marking and the second reference marking create a readable reference frame, and wherein each angular setting correlates to a unique readable code formed by the first reference marking, first positional marking, second positional marking, and second reference marking when viewed within the reference frame.