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Putter and extension device therefor

a technology of extension device and golf club, which is applied in the field of golf clubs, can solve problems such as optimizing a putter, and achieve the effect of maintaining the swing weight of the putter and better fitting of the club length

Inactive Publication Date: 2007-12-20
TOPGOLF CALLAWAY BRANDS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The present invention is a putter with a removable central shaft portion that allows for better fitting to a golfer while maintaining the putter's swing weight. The putter has a club head, central shaft portion, and upper shaft portion. The central shaft portion is connected to the lower shaft portion at the bottom and to the upper shaft portion at the top. The central shaft portion is selected from a plurality of options based on its mass and length. The technical effect of this invention is to provide a more customizable and precise fit for golfers using a putter that maintains its swing weight.

Problems solved by technology

Although these inventions have provided new and improved putters for making the game of golf more enjoyable for high handicap players, the prior art has not optimized a putter by making it easily interchangeable from on striking surface to another while providing greater stability.

Method used

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  • Putter and extension device therefor
  • Putter and extension device therefor
  • Putter and extension device therefor

Examples

Experimental program
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Embodiment Construction

[0037] As shown in FIG. 1, a putter-type golf club 100 includes a putter-type golf club head 20, a shaft 102 and a grip 104. The putter-type golf club 100 has a central shaft portion 200 which is preferably removably connected to a lower shaft portion 201 and an upper shaft portion 202. Alternatively, the central shaft portion 200 is permanently connected to the lower shaft portion 201 and upper shaft portion 202.

[0038] The central shaft portion 200 is selected from a plurality of central shaft portions 200 in order to allow for the length of the putter-type golf club 100 to be fit to a particular golfer. Although the length of each of the plurality of central shaft portions 200 varies, the mass of each of the plurality of central shaft portions 200 is substantially the same, and preferably does not exceed a 10 grams variance, more preferably a 5 grams variance, and even more preferably a 1 gram variance. In this manner, the swing-weight of the putter-type golf club 100 is maintain...

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PUM

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Abstract

A putter-type golf club with a removable central shaft portion which allows for varying the length of the putter-type golf club without varying the mass. The putter-type golf club has a club head with a lower shaft which is removably attached to a bottom end of the central shaft portion. The putter-type golf club also has an upper shaft portion which is removably attached to a top end of the central shaft portion.

Description

CROSS REFERENCES TO RELATED APPLICATIONS [0001] The Present application claims priority to U.S. Provisional Patent Application No. 60 / 804,411, filed on Jun. 9, 2006.STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT [0002] Not Applicable BACKGROUND OF THE INVENTION [0003] 1. Field of the Invention [0004] The present invention relates to a putter. More specifically, the present invention relates to a putter type golf club with an extendable portion. [0005] 2. Description of the Related Art [0006] The golf industry has been inventing putters that make the game of golf easier for the high handicap player. One such putter is disclosed in U.S. Pat. No. 4,688,798 to David Pelz. The Pelz patent discloses a putter with an alignment means to assist a golfer in aiming a golf ball toward a hole during putting. The Pelz patent discloses using two or three golf ball shaped indicators as the alignment means. The golf ball shaped indicators may be circles, hemispheres, or complete sph...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): A63B53/00
CPCA63B49/06A63B53/0487A63B2053/0441A63B53/16A63B59/0088A63B53/12A63B53/14A63B60/22A63B60/52A63B60/50A63B53/0441A63B60/00
Inventor ROLLINSON, AUGUSTIN W.HOCKNELL, ALAN
Owner TOPGOLF CALLAWAY BRANDS CORP