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Forged slotted iron golf club

a golf club and slotted technology, applied in the field of forged iron, can solve the problems of affecting limiting many of the feel and consistency benefits of the process, and less consistent vibration, and achieve the effect of improving the feel of the club and high cor

Inactive Publication Date: 2018-03-01
CO MIZUNO CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0011]The present invention addresses the above issue, and contemplates an iron golf club head that can provide an enhanced club feel while maintaining a high COR.

Problems solved by technology

These pin holes lead to less consistent vibrations, and this affects the feel of the club.
This means that many clubs marketed as “forged” are only partially created using a forging process.
This limited use of forging drastically limits many of the feel and consistency benefits of the process.
A club with a thin face is traditionally difficult to achieve when using the forging process.
The limitations on the forging process include requirements as to draft angles and minimum thicknesses to avoid forging defects.
These limitations have pushed club manufacturers to compromise club feel for ease of manufacturing.

Method used

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  • Forged slotted iron golf club
  • Forged slotted iron golf club
  • Forged slotted iron golf club

Examples

Experimental program
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Effect test

Embodiment Construction

[0025]Embodiments of the present invention relate generally to golf clubs, and more particularly to forged iron golf clubs. In some embodiments, a club according to the current disclosure may be over 90% forged by weight. This design allows for more of the benefits of forging, without the downsides associated with a low-COR striking face. The resulting club has a high-COR, comparable with or better than other commercially available “forged” clubs, but also has an improved feel due to its increased percentage of forged construction.

[0026]To simplify and clarify explanation, the invention is described herein as a slotted iron golf club. One skilled in the art will recognize, however, that the invention is not so limited.

[0027]The materials described hereinafter as making up the various elements of the present invention are intended to be illustrative and not restrictive. Many suitable materials that would perform the same or a similar function as the materials described herein are int...

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PUM

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Abstract

An iron golf club head is disclosed. The iron golf club head can include a hosel portion, a heel portion, a toe portion, a face portion, and a sole portion all forged from a single piece of steel. The iron golf club head can further include a slot cut in the forged club behind the face portion between the heel portion and the toe portion. The slot can have a sole opening and a cavity opening, and a plug can be located in the sole opening.

Description

CROSS REFERENCE TO RELATED APPLICATIONS[0001]This application is a division of, and claims priority to, co-pending U.S. patent application Ser. No. 14 / 820,908, filed 7 Aug. 2015, the contents of which is incorporated herein by reference in its entirety.BACKGROUND OF THE INVENTIONField of the Invention[0002]The present invention relates to an iron golf club head and an iron golf club, and more specifically to a forged iron golf club head having a slot cut behind the face.Description of the Background Art[0003]There are many qualities of a golf club that a golfer uses to assess its quality and performance. Two such attributes that are relatively easy to evaluate for a player are the sound and feel of the ball striking, and the flight distance of the ball.[0004]It is generally accepted at the ultimate method of production when it comes to feel is forging. By forging a golf club, a manufacturer is able to ensure greater consistency from piece to piece and an improved internal consistenc...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): A63B53/04
CPCA63B53/0475A63B53/047A63B2209/00A63B60/02A63B2053/0491A63B60/52
Inventor DOI, KAZUHIROKANAYAMA, TETSUYALLEWELLYN, DAVIDVOSHALL, CHRIS
Owner CO MIZUNO CORP
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