Patent ID: 8550933
Filing Date: 2013-10-08
Classification: A63B

Abstract:
1. A golf club comprising: a clubhead comprising a body having a front and a rear, the front including a strike face, the rear including a weight-receiving cavity, and the body having a center of gravity (CG) having respective X-, Y-, and Z-coordinates; a shaft connected to the clubhead, thereby forming the golf club having a nominal swing-weight; a weight-assembly removably attached as a unit to the weight-receiving cavity, the weight-assembly having a corresponding assembled total mass providing a corresponding swing-weight (SW) contribution to the club, the weight-assembly comprising at least a first portion, a second portion, and a third portion each contributing a respective mass portion to the assembled total mass of the weight-assembly and thus to the SW contribution made by the weight-assembly to the club, wherein the total mass of the weight-assembly linearly displaces the CG location no more than 1.7 mm with the weight-assembly attached to the body compared to a CG location of the clubhead when the weight-assembly is not attached to the body; the third portion of the weight-assembly is a drive-screw that threads into the first portion; the first portion threads into the weight-receiving cavity; and the second portion of the weight-assembly comprises a non-circular overcap held to the first portion by the third portion whenever the first portion is threaded into the weight-receiving cavity.