Patent ID: 8002644
Filing Date: 2011-08-23
Classification: A63B

Abstract:
1. A golf club having an interchangeable shaft for connection to a golf club head, the golf club comprising: a shaft comprising a shaft body with a tip end; a golf club head comprising a face, a sole, a crown and an interior hosel having an opening extending from a crown to a sole; a sleeve having an upper section and a lower section, the upper section having a first opening for receiving the tip end of the shaft and the lower section having a second opening with a threaded internal surface, the sleeve connected to the tip end of the shaft; a tube having an anti-rotation portion, the tube having an opening for receiving the sleeve; a mechanical fastener; and an o-ring; wherein the tube is integrally formed with the interior hosel; wherein the mechanical fastener is inserted through the sole opening and into the tube, and engages the threaded internal surface of the second opening in the sleeve lower section; wherein the o-ring prevents the mechanical fastener from leaving the tube; wherein the o-ring is between the sleeve and the tube; and wherein the first opening of the sleeve has an axis S that is off-angle from an axis L of the lower section of the sleeve and off-angle with an axis of the internal hosel of the golf club head with an angle A between the axis S and the axis L is ranging between 1° and 5°, allowing for the effective loft, lie and face angle of the golf club to be adjusted by rotation of a subassembly of the shaft and sleeve.