Golf putter

• US 5,769,736 A
• Filed: 06/20/1997
• Issued: 06/23/1998
• Est. Priority Date: 03/22/1996
• Status: Expired due to Fees

• Current Assignee: Yugen Kaisha Koshinsha
• Original Assignee: Yugen Kaisha Koshinsha
• Inventors: Sato, Shozaburo
• Primary Examiner(s): Passaniti, Sebastiano
• Application Number:
  US08/879,648
• Time in Patent Office: 368 Days
• Field of Search: 473/251, 473/340, 473/341, 473/349, 473/324, 473/333, 473/334, 473/335, 473/336, 473/337, 473/345, 473/350, 473/256
• US Class Current: 473/335
• CPC Class Codes: A63B 2053/0491 with added weights, e.g. changeable, replaceable
• CPC Class Codes: A63B 53/0441 with visual indicators for aligning the golf club
• CPC Class Codes: A63B 53/065 for putters
• CPC Class Codes: A63B 60/02 Ballast means for adjusting the centre of mass A63B60/24, A63B60/54 take precedence

Abstract

A golf putter which can stably maintain the directional stability of its head while being swung so that a golf ball can be rolled accurately along an intended line. Side walls extend rearwardly from both ends of a face portion of the putter. Each side wall carries a weight at its rear end, so that the head is lighter at its face end than its rear end. Thus, the directional stability of the head while swinging the ball improves.

Claims

1. A golf putter comprising a putter head including:

a face portion having a first end and a second end;

a first upstanding side wall structure connected to said first end of said face portion and extending rearwardly thereof;

a second upstanding side wall structure connected to said second end of said face portion and extending rearwardly thereof, wherein said face portion, said first upstanding side wall structure, and said second upstanding side wall structure define a U-shaped structure with an area between said first and second side walls being substantially vacant;

a first weight integrally formed with an extreme rear end portion of said first side wall structure, wherein said first weight and said first side wall structure define an upstanding wall having a uniform horizontal width; and

a second weight integrally formed with an extreme rear end portion of said second side wall structure, wherein said second weight and said second side wall structure define an upstanding wall having a uniform horizontal width, said first and second side wall structures each has a length which is substantially equal to but slightly shorter than the length of said face portion so that the center of gravity is spaced rearwardly of said putting face toward the rear of the putter head.

2. The golf putter as claimed in claim 1, further comprising a shaft mounting portion provided on said putter head at a location near said face portion.

3. The golf putter as claimed in claim 1, wherein said first and second weight are equal in weight.

4. The golf putter as claimed in claim 1, wherein said first and second weight are of different weights.

5. The golf putter as claimed in claim 1, wherein said first and second weights protrude upwardly from said rear end portion of said first and second side wall structures, respectively.

6. The golf putter as claimed in claim 5, wherein each of said first and second weights form an upwardly protruding arcuate portion.

7. A golf putter including a putter head comprising:

a face portion having a first end and a second end;

a first side wall structure connected to said first end of said face portion and extending rearwardly thereof;

a second side wall structure connected to said second end of said face portion and extending rearwardly thereof,

a top wall extending from an upper portion of said face portion and between an upper portion said first side wall structure and an upper portion of said second wall structure;

a bottom wall extending from a lower portion of said face portion and between a lower portion of said first side wall structure and a lower portion of said second side wall structure;

a rear wall connecting said first side wall structure, said second side wall structure, said top wall, and said bottom wall;

a first weight provided only at a rear end portion of said first side wall structure; and

a second weight provided only at a rear end portion of said second side wall structure, wherein said first and second side wall structures each has a length which is substantially equal to but slightly shorter than the length of said face portion so that the center of gravity is spaced rearwardly of said putting face toward the rear of the putter head,

wherein said first weight and said second weight are connected to an inside surface of said first side wall portion and an inside surface of said second side wall portion, respectively, and said first and second weights each include a threaded opening for receiving a threaded adjusting weight.