Patent ID: 7435187
Filing Date: 2008-10-14
Classification: A63B

Abstract:
1. A golf club comprising: a head defining a face for contacting a golf ball; an elongate shaft having an exterior surface and an opposite interior surface, the interior surface defining a void within the shaft, the void having an outwardly-projecting area that forms a protrusion in the shaft, the shaft also having a first end and an opposite second end, the shaft including an area for gripping the golf club that is positioned proximal the first end, and the shaft including an area for securing the head to the shaft that is positioned proximal the second end, the protrusion being positioned between the area for gripping the golf club and the area for securing the head to the shaft; and a fluid-filled and pressurized chamber having a sealed and valveless configuration, substantially all of the chamber being located within the protrusion and positioned between the area for gripping the golf club and the area for securing the head to the shaft.