Golf club head with adjustable weights

• US 20020137576A1
• Filed: 01/29/2002
• Published: 09/26/2002
• Est. Priority Date: 03/09/2000
• Status: Abandoned Application

• Current Assignee: Progolf Development As
• Original Assignee: Progolf Development As
• Inventors: Dammen, Per
• Application Number:
  US10/030,152
• Publication Number:
  US 20020137576A1
• Time in Patent Office: Days
• US Class Current: 473/336
• CPC Class Codes: A63B 2053/0495 moving on impact, slidable, spring or otherwise elastically biased
• CPC Class Codes: A63B 53/04 Heads
• CPC Class Codes: A63B 53/0433 with special sole configurations
• CPC Class Codes: A63B 53/0466 wood-type
• CPC Class Codes: A63B 53/06 adjustable
• CPC Class Codes: A63B 60/00 Details or accessories of golf clubs, bats, rackets or the like

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.

Claims

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.