Games using tangible projectile – Golf – Club or club support
Reexamination Certificate
1999-12-29
2001-06-12
Chapman, Jeanette (Department: 3711)
Games using tangible projectile
Golf
Club or club support
C473S344000, C473S345000
Reexamination Certificate
active
06244976
ABSTRACT:
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT
Not Applicable
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a golf club head. More specifically, the present invention relates to an integral sole plate and hosel that is attached to the golf club head.
2. Description of the Related Art
The placement of the tip end of a shaft in a golf club head has an effect on the performance of the golf club. In most metal woods with hollow interiors, the tip end has been inserted in internal hosels that are integral with the body of the metal wood. Although providing structural integrity, such internal hosels may add unnecessary weight to the club head, or otherwise affect the center of gravity of the golf club. Further, depending on manufacturing tolerances, such internal hosels may lead to inconsistencies in the loft and lie design parameters. Thus, loft angles may be off as much as one and a half degrees.
In composite golf club heads, the shaft has been attached to the club head through an external hosel, also composed of the composite material. What is needed is a means for connection of the shaft to a club head without the addition of weight. Additionally, a means to increase the consistency of loft and lie parameters is required to increase a golfer's performance.
BRIEF SUMMARY OF THE INVENTION
One aspect of the present invention is a golf club head. The golf club head has a body having a hollow interior, a face, a sole, and a crown having a crown aperture therein. The sole has a recess and an sole aperture. A sole plate has an integral hosel tube projecting therefrom. The sole plate is disposed within the recess of the sole. The hosel tube extends through the sole aperture and is disposed in relation to the crown aperture.
The sole plate may be substantially flat and have a thickness in the range of 0.01 inches to 0.50 inches. The sole plate and the integral hosel tube may be composed of a metal such as stainless steel, titanium, or the like. Alternatively, the sole plate and the integral hosel tube may be composed of an injection molded polymer. The body may be composed of a composite material and the sole plate and integral hosel tube may be composed of a material having a density greater than the composite material. The composite body may have a weight strip or a loaded film embedded therein. Alternatively, the body may be composed of a metal selected from the group consisting of titanium, stainless steel, amorphous metal, titanium alloys, and combinations thereof.
The sole plate and integral hosel tube weigh in the range of 10 to 50 grams The sole plate may be bonded to the sole with an epoxy adhesive, a polyurethane adhesive, a modified acrylic adhesive, or the like The integral hosel tube may be threadingly engaged with the sole plate.
Having briefly described the present invention, the above and further objects, features and advantages thereof will be recognized by those skilled in the pertinent art from the following detailed description of the invention when taken in conjunction with the accompanying drawings.
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Evans D. Clayton
Galloway J. Andrew
Jacobson Daniel R.
Murphy James M.
Reyes Herbert
Blau Stephen L.
Callaway Golf Company
Catania Michael A.
Chapman Jeanette
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