# US 5,348,301 A · Head for use with a golf putter

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- Number: US 5,348,301 A
- Document ID: US5348301A
- Status: Granted
- Kind: A
- Application number: 08/074,468
- Filed: 1993-06-10
- Granted: 1994-09-20
- Earliest claimed: 1992-06-11
- Inventors: Jong-Nam Ma
- Web page: https://patentgrep.com/patent/US5348301A

## CPC

- A63B 53/0487: {for putters (A63B53/065 takes precedence)}
- A63B 53/0445: {Details of grooves or the like on the impact surface}
- A63B 53/047: {iron-type}
- A63B: APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT (apparatus for passive exercising, massage A61H)

## Abstract

A head for use with a putter which is used to strike a golf ball gently so that the ball rolls across the putting green into a hole, includes a front hitting portion having a recess at the lower end thereof resulting in the head assuming an inverse U-shape. The hitting portion is inclined rearwardly and downwardly so that the time when the ball contacts with the head is maintained short, thus improving the correctness and applying a strong rotation force in the proceeding direction of the ball.

## Claims

### Claim 1

A head for use with a golf club which is used as a putter comprising:
a front hitting portion;
a rear, weight decreasing recess;
side portions positioned on opposing ends of said front hitting portion; and
a weight balancing portion extending downwardly from each side of the front hitting portion, wherein a downwardly extending distance of said weight balancing portion from a bottom face of said hitting portion to a lower end of said weight balancing portion is approximately two-thirds the radius of the golf ball so that the head may have a recess at a lower end thereof, thus assuming an inverse U-shape.

### Claim 2 (depends on 1)

The putter head according to claim 1, wherein the hitting portion of the putter head is inclined rearwardly and downwardly with respect to a longitudinal axis of the golf club.

### Claim 3 (depends on 2)

The putter head according to claim 2, wherein said inclination angle of the hitting portion is 3 to 15 degrees.

### Claim 4 (depends on 1)

The putter head according to claim 1, wherein said hitting portion of the putter head has a plurality of lateral grooves.