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02/15/07 - USPTO Class 473 |  19 views | #20070037635 | Prev - Next | About this Page  473 rss/xml feed  monitor keywords

Iron golf club head

USPTO Application #: 20070037635
Title: Iron golf club head
Abstract: Disclosed is an iron golf club head 1 comprising: a face plate 2 having a joint 22 formed on its rear surface; and an L-shaped bar whose lateral and longitudinal sections are used as a lateral neck elongation 3 and a hosel 4 of a longitudinal stick or shaft 5 respectively. The neck elongation 3 is integrally connected to the joint 22, and the shaft 5 is inserted into the hosel 4, allowing the face plate 2 to lie on the front side of the shaft 5. The iron golf head is good in directivity, and is almost free of shank, sclaff or any other mishit. (end of abstract)



Agent: Hamre, Schumann, Mueller & Larson, P.C. - Minneapolis, MN, US
Inventors: Takeshi Kitano, Takayuki Haga
USPTO Applicaton #: 20070037635 - Class: 473349000 (USPTO)

Related Patent Categories: Games Using Tangible Projectile, Golf, Club Or Club Support, Head, Particular Material Composition Or Mass Distribution

Iron golf club head description/claims


The Patent Description & Claims data below is from USPTO Patent Application 20070037635, Iron golf club head.

Brief Patent Description - Full Patent Description - Patent Application Claims
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FIELD OF THE INVENTION

[0001] The present invention relates to an improvement in or relating to an iron golf club head, particularly to an iron golf club head whose shaft and face plate are unique in their improved relative position.

PRIOR ART

[0002] Golfers have a common desire of realizing a straight flight of the ball with well- controlled directivity Beginners, however, are likely to allow the head face of the golf club to tilt backward with respect to the normal line perpendicular to the direction toward a target object just before hitting the ball, so that the head face somewhat delays at the time of hitting the ball, thus causing a slice as a result of the swing.

[0003] In the hope of improving such a swing a goose-necked golf club whose face is withdrawn behind the shaft is used. The goose-necked golf club, in fact, effectively helps a beginner hit the ball rightly even if the head face does not reach the position where the head face would be at the time of hitting the ball. Thus, the beginner can handle the golf club with good directivity.

[0004] The withdrawn face of the goose-necked golf club, however, makes golfers liable to imagine the dragging of the club head on the ground, and hence they are likely to be too much conscious about the possible delay of the head face, finally leading to the mishit or shank.

[0005] As for a straight-necked golf club whose head face is longitudinally aligned with the shaft, golfers can always feel the club head move in unison with the shaft in a swing. Also advantageously, the alignment of the head face with the shaft facilitates the controlling of directivity, and helps the head face rightly meet and hold the ball in a swing. For these reasons advanced golfers prefer the straight-necked golf club.

[0006] When a golfer adopts the position of address, he or she will put the head face of his or her golf club perpendicular to the direction toward the target object, no matter which golf club may be selected and used among the putter, driver and other clubs.

[0007] Assuming that a straight-necked golf club is selected and used, and that the golfer holds his or her golf club with the leading edge of the club head directed at the target object, then it is likely that just before hitting the ball the head face would somewhat tilt backward with respect to the normal line perpendicular to the direction toward the target object. Conversely, if the golfer holds his or her golf club with the top blade of the club head directed at the target object, he or she is apt to be anxious about the swing ending with a hook because of the menacing effect caused by the loft appearing large as viewed from the side of the grip. This unfavorable inclination will be increasingly conspicuous as the address shifts increasingly leftward apart from the neutral stance.

[0008] As a consequence, the driver is liable to use mainly his or her right shoulder, arm and hand in a swing, thus making the right shoulder project forward, which is the cause for duffing or sclaff.

[0009] In view of the defects as described above one object of the present invention is to provide an iron golf club head which is easy to control the directivity, substantially reducing the possibility of mishit, shank and sclaff.

SUMMARY OF THE INVENTION

[0010] An iron golf club head according to the present invention comprises: a face plate having a joint formed on its rear surface; and a lateral neck elongation whose front and rear ends are integrally connected to the joint and to the hosel of a longitudinal stick or shaft respectively, allowing the face plate to lie on the front side of the shaft, which is the central feature of the present invention.

[0011] Thanks to the fact that the face plate lies on the front side of the shaft, golfers can hit the ball, behaving like hitting a nail with a hammer. As a result golfers free themselves from swaying around the waist in hitting the ball, effectively reducing the mishit, shank or sclaff. Also, the golfer would not swing with his or her right shoulder sunk, and accordingly few or no sclaff is caused

BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The present invention will now be described in detail with reference to the accompanying drawings, in which:

[0013] FIG. 1 is a perspective view of an iron club head according to one embodiment of the present invention;

[0014] FIG. 2 is a perspective view of the iron club head as viewed from the rear side;

[0015] FIG. 3 illustrates a modification of the iron club head; and

[0016] FIG. 4 illustrates how the iron club head looks when it is put on the ground, as viewed from the top.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT

[0017] Now, the embodiment of the present invention will be described with reference to the accompanying drawings.

[0018] FIG. 1 is a perspective view of an iron club head according to the present invention whereas FIG. 2 is a perspective view of the iron club head as viewed from the rear side.

[0019] As shown in these drawings, the iron club head 1 comprises: a face plate 2 having a joint 22 formed on its rear surface 21; and a lateral neck elongation 3 whose front and rear ends are integrally connected to the joint 22 and to the hosel 4 of a longitudinal stick or shaft 5 respectively, thus allowing the face plate 2 to lie on the front side of the shaft 5. Specifically, the neck elongation 3 is the lateral section of an L-shaped rod, and is welded to the joint 22 on the rear side of the face plate 2. The shaft 5 is inserted into the hosel 4, which is the longitudinal section of the L-shaped rod. Thus, the face plate 2 lies on the front side of the shaft 5.

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Brief Patent Description - Full Patent Description - Patent Application Claims

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Games using tangible projectile

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