Metal wood club

Abstract

A golf club head including a body having a face, a sole, a crown, and a skirt joining the face, sole and crown, the body having a center of gravity, wherein the body includes an open end and a terminal end, the terminal end opposite the open end, a weighted insert having a heavy end and a lighter end, the lighter end opposite the heavy end, wherein the cavity is configured to receive the weighted insert through the open end, wherein the cavity is configured to receive the weighted insert through the open end in both a first configuration and a second configuration, and wherein said weighted insert comprises a heavy portion comprising a high density portion and an abutment member.

We claim: 
     
         1 . A golf club head comprising:
 a body having a face, a sole, a crown, and a skirt joining said face, sole and crown, said body having a center of gravity;   said body having a coordinate system with an x-axis located horizontal to the club face, a y-axis located vertical to the club face, and a z-axis located through the club face,   wherein said body comprises a cavity;   wherein said cavity comprises an open end and a terminal end, said terminal end opposite said open end;   a weighted insert, said weighted insert comprising a heavy end and a lighter end, said lighter end opposite said heavy end;   wherein said weighted insert comprises a longitudinal insert axis along a center of said weighted insert and passing through said heavy end and said lighter end;   wherein said cavity comprises a longitudinal cavity axis along a center of said cavity and passing through said open end and said terminal end;   wherein said cavity is configured to receive said weighted insert through said open end in both a first configuration and a second configuration;   wherein said first configuration comprises said heavy end of said weighted insert adjacent said terminal end of said cavity;   wherein said second configuration comprises said lighter end of said weighted insert adjacent said terminal end of said cavity;   wherein said weighted insert comprises:
 a heavy member located at said heavy end of said weighted insert; 
 a tube member affixed to said heavy member; 
 a lightweight member affixed to said tube member, opposite said heavy member; and 
 an insert locking member configured to engage said golf club head and lock said weighted insert in said cavity via rotation of said insert locking member; 
   wherein said heavy member comprises a high density portion and an abutment member, said high density portion comprises a first material, said abutment member comprises a second material, wherein a density of said first material is greater than a density of said second material;   wherein said weighted insert and said golf club head are configured such that said high density portion does not contact said golf club head when said weighted insert is locked in said cavity;   wherein rotation of said insert locking member compresses said weighted insert between said insert locking member and said terminal end of said cavity, locking said weighted insert in said cavity; and   wherein said second material has greater damping properties than said first material.   
     
     
         2 . The golf club head of  claim 1 , wherein said second material has a lower coefficient of friction when in contact with said cavity of said golf club head than said first material when in contact with said cavity of said golf club head. 
     
     
         3 . The golf club head of  claim 1 , wherein said weighted insert is compressible along said longitudinal insert axis. 
     
     
         4 . A golf club head comprising:
 a body having a face, a sole, a crown, and a skirt joining said face, sole and crown, said body having a center of gravity;   said body having a coordinate system with an x-axis located horizontal to the club face, a y-axis located vertical to the club face, and a z-axis located through the club face,   wherein said body comprises a cavity;   wherein said cavity comprises an open end and a terminal end, said terminal end opposite said open end;   a weighted insert, said weighted insert comprising a heavy end and a lighter end, said lighter end opposite said heavy end;   wherein said weighted insert comprises a longitudinal insert axis along a center of said weighted insert and passing through said heavy end and said lighter end;   wherein said cavity comprises a longitudinal cavity axis along a center of said cavity and passing through said open end and said terminal end;   wherein said cavity is configured to receive said weighted insert through said open end in both a first configuration and a second configuration;   wherein said first configuration comprises said heavy end of said weighted insert adjacent said terminal end of said cavity;   wherein said second configuration comprises said lighter end of said weighted insert adjacent said terminal end of said cavity;   wherein said weighted insert comprises:
 a heavy member located at said heavy end of said weighted insert; 
 a tube member affixed to said heavy member; 
 a lightweight member affixed to said tube member, opposite said heavy member; and 
 an insert locking member configured to engage said golf club head and lock said weighted insert in said cavity via rotation of said insert locking member; and 
   wherein said heavy member comprises a high density portion and an abutment member, said high density portion comprises a first material, said abutment member comprises a second material, wherein a density of said first material is greater than a density of said second material.   
     
     
         5 . The golf club head of  claim 4 , wherein said weighted insert and said golf club head are configured such that said high density portion does not contact said golf club head when said weighted insert is locked in said cavity. 
     
     
         6 . The golf club head of  claim 4 , wherein said second material has a lower coefficient of friction when in contact with said cavity of said golf club head than said first material when in contact with said cavity of said golf club head. 
     
     
         7 . The golf club head of  claim 4 , wherein said second material has greater damping properties than said first material. 
     
     
         8 . The golf club head of  claim 4 , wherein said heavy member comprises an extra high density insert, said extra high density insert having a higher density than said high density portion. 
     
     
         9 . The golf club head of  claim 4 , wherein rotation of said insert locking member compresses said weighted insert between said insert locking member and said terminal end of said cavity, locking said weighted insert in said cavity. 
     
     
         10 . The golf club head of  claim 4 , wherein said second material is a polymeric material. 
     
     
         11 . The golf club head of  claim 4 , wherein said weighted insert is compressible along said longitudinal insert axis. 
     
     
         12 . The golf club head of  claim 4 , wherein rotation of said insert locking member forces said insert locking member towards said terminal end of said cavity, deforming said weighted insert in length along said longitudinal insert axis. 
     
     
         13 . A golf club head comprising:
 a body having a face, a sole, a crown, and a skirt joining said face, sole and crown, said body having a center of gravity;   said body having a coordinate system with an x-axis located horizontal to the club face, a y-axis located vertical to the club face, and a z-axis located through the club face,   wherein said body comprises a cavity;   wherein said cavity comprises an open end and a terminal end, said terminal end opposite said open end;   a weighted insert, said weighted insert comprising a heavy end and a lighter end, said lighter end opposite said heavy end;   wherein said weighted insert comprises a longitudinal insert axis along a center of said weighted insert and passing through said heavy end and said lighter end;   wherein said cavity comprises a longitudinal cavity axis along a center of said cavity and passing through said open end and said terminal end;   wherein said cavity is configured to receive said weighted insert through said open end in both a first configuration and a second configuration;   wherein said first configuration comprises said heavy end of said weighted insert adjacent said terminal end of said cavity;   wherein said second configuration comprises said lighter end of said weighted insert adjacent said terminal end of said cavity; and   wherein said weighted insert is compressible along said longitudinal insert axis.   
     
     
         14 . The golf club head of  claim 13 , further comprising an insert locking member configured to engage said golf club head and lock said weighted insert in said cavity via rotation of said insert locking member, wherein rotation of said insert locking member forces said insert locking member towards said terminal end of said cavity, deforming the weighted insert in length along said longitudinal insert axis. 
     
     
         15 . The golf club head of  claim 13 , wherein said weighted insert comprises a first portion at one end of said weighted insert and a second portion at an opposite end of said weighted insert, said first portion and said second portion connected by a third portion, wherein said second portion is slideably affixed to said third portion, allowing said weighted insert to deform in length when compressed. 
     
     
         16 . The golf club head of  claim 15 , wherein said second portion comprises an end cap affixed to a plunging member and wherein said third portion comprises a retaining member, wherein said second plunging member is configured to slide along said longitudinal insert axis through said retaining member. 
     
     
         17 . The golf club head of  claim 16 , wherein said weight insert further comprises a spring forcing said second portion away from said first portion. 
     
     
         18 . The golf club head of  claim 17 , wherein said plunging member comprises a slide stop configured to engage said retaining member and limit extension of said second portion away from said first portion. 
     
     
         19 . The golf club head of  claim 17 , wherein said spring is located between said end cap and third portion. 
     
     
         20 . The golf club head of  claim 13 , wherein said weighted insert comprises a heavy member located at said heavy end of said weighted insert, a tube member affixed to said heavy member, and a lightweight member affixed to said tube member, opposite said heavy member; and wherein said heavy member comprises a high density portion and an abutment member, said high density portion comprises a first material, said abutment member comprises a second material, wherein a density of said first material is greater than a density of said second material.