Golf club head with adjustable weights

Abstract

It is described a golf club head comprising a front face ( 3 ) or striking face, a bottom face ( 2 ) and a top face, said golf club head is provided with one or more movable screws or weights ( 7 ) for adjustment of the club heads balance. The weights or screws ( 7 ) are made of a material with a relatively high specific gravity, and are provided in tube sleeves ( 1 ) inside the club head. The screw ( 7 ) can be adjusted to any desired position between the ends of the tube sleeves ( 1 ) and thereby adjust the balance point of the club head. The tube sleeves ( 1 ) are provided slanting from the front face ( 3 ) of the club head down towards the rear part of the bottom face ( 2 ) of the club head.

1 . A metal golf club head with movable weights, which club head comprises at least a bottom face ( 2 ), a front face ( 3 ) and a top face, in which club head is provided one or more tubular sleeves ( 1 ) extending from the rear part of the club and forward towards the front face, in which tubular sleeves ( 1 ) may be provided screws or weights ( 7 ), characterised in that the tubular sleeve or sleeves ( 1 ) are provided at an angle from the centre line of the front face ( 3 ) down towards the rear part of the bottom face ( 2 ), and that one end of the tubular sleeve ( 1 ) opens onto the bottom face ( 2 ).  
     
     
         2 . A golf club head in accordance with  claim 1 , characterised in that the tubular sleeve or sleeves ( 1 ) are provided with internal threads or grooves ( 6 ), a complementary shaped screw or weight ( 7 ) is placed in each tubular sleeve ( 1 ), which screw ( 7 ) is selectively adjustable to any position between the ends of the tubular sleeve ( 1 ).  
     
     
         3 . A golf club head in accordance with claims  1 - 2 , characterised in that the screws ( 7 ) are made from a material or a mixture of materials with a high density, e.g. a metal or a metal alloy, preferably tungsten.  
     
     
         4 . A golf club head in accordance with one or more of the preceding claims, characterised in that the opening of the tubular sleeve ( 1 ) is provided with a lid ( 8 ).  
     
     
         5 . A golf club head in accordance with one or more of the claims  1 - 3 , characterised in that the screws ( 7 ) have a length that essentially corresponds to the length of the tubular sleeve ( 1 ), and that the screws ( 7 ) are in the form of externally threaded, cylindrical bodies.  
     
     
         6 . A golf club head in accordance with  claim 5 , characterised in that one or more parts of the screw ( 7 ) consists of a metal or a metal alloy and the remaining part of the screw ( 7 ) consists of plastic, which parts are joined, preferably by gluing.  
     
     
         7 . A golf club head in accordance with one or more of the preceding claims, characterised in that the golf club head comprises two tubular sleeves ( 1 ) placed approximately symmetrically about the centre line of the striking surface ( 3 ), with associated movable screws ( 7 ).  
     
     
         8 . A golf club head in accordance with one or more of the preceding claims, characterised in that the tubular sleeve or sleeves ( 1 ) are integrally cast with the rest of the club head.