US20050143189A1
2005-06-30
10/745,615
2003-12-29
An improved golf club head includes a body, a balance weight and an upper lid. The body has a hitting surface and a recess formed on an upper side of the rear end thereof. The balance weight is located in the recess. The upper lid is made from a composite material or fibers and has a curvature matching the upper side of the golf club head to anchor the balance weight in an integrated manner. Thus the weight of the upper side of golf club head is reduced. The upper lid makes the club head more appealing and can generate a crispy sound when hitting golf ball. A higher trajectory track may be generated when the golf ball is hit. And more versatile appearances may be formed.
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A63B53/0466 » CPC main
Golf clubs; Heads wood-type
A63B60/02 » CPC further
Details or accessories of golf clubs, bats, rackets or the like Ballast means for adjusting the centre of mass
A63B60/52 » CPC further
Details or accessories of golf clubs, bats, rackets or the like with slits
A63B53/0437 » CPC further
Golf clubs; Heads with special crown configurations
A63B60/50 » CPC further
Details or accessories of golf clubs, bats, rackets or the like with through-holes
A63B2053/0491 » CPC further
Golf clubs; Heads with added weights, e.g. changeable, replaceable
A63B2209/023 » CPC further
Characteristics of used materials with reinforcing fibres, e.g. carbon, polyamide fibres Long, oriented fibres, e.g. wound filaments, woven fabrics, mats
The present invention relates to an improved golf club head and particularly to a golf club head that has a reduced weight on the upper side, forms a higher trajectory track for the hitting golf ball, is easier to strike, looks more appealing and provides more versatile appearances, and generates a crispy sound when the golf ball is hit.
BACKGROUND OF THE INVENTIONWith increasingly rising of people's living standard, golf population also grows continuously. Playing golf has to use various types and numbers of golf club heads. The golf ball trajectory track is a big concern for golfers. Many golf club heads are made in an integrated manner. Such types of heads often are heavier and move the gravity center forwards and make swinging of golf club more difficult. These days some golf club heads are made with a hitting panel of a smaller weight. But these types of heads have difficulty to lower the gravity center. As a result, striking stability is difficult to improve. To meet the requirement of making the gravity center of the golf club head lower and backward, a balance weight has to be added on the bottom plate. Such an approach makes the head heavier and swinging of the golf club more difficult. In the golf game, a good golf club and club head is important and they could determine win or loss. It has to match the swinging posture and habit of the user and to be adjusted to get the optimum gravity center location so that swinging of the golf club is smooth and hitting the sweet spot is easier. Due to every person has a different swinging posture and habit, at present the gravity center of the club head is mostly located in the center. Hence a small deviation of swinging could result in loss of the standard hitting point and miss the sweet spot. To match different swinging postures and habits, reducing the weight of the club head is necessary. It is usually accomplished by adding a balance weight on the hitting side to adjust the gravity center. Such a structure is difficult to fabricate. Once the location of the gravity center is set, it cannot be changed. To change the location of the gravity center, users have to buy a new club head. It is costly and not very practical. In short, the present club heads generally are difficult to reduce the weight and results difficulty in swinging of the golf club. The appearance of the club head is plain and not versatile. It also cannot generate a crisp sound when the golf ball is hit.
SUMMARY OF THE INVENTIONIn view of the aforesaid disadvantages, the present invention aims to provide an improved golf club head.
The primary object of the invention is to reduce the weight of upper side of the club head and generate a crisp sound when the golf ball is hit. It mainly has a balance weight disposed in a matching recess formed on an upper side of the club head. An upper lid made from a composite material or fibers with a curvature matching of the upper side of the club head is bonded thereon in an integrated manner to anchor the balance weight.
The club head according to the invention includes a body, a balance weight and an upper lid. The body is integrally made from titanium by forging. It has a hitting surface on the front side and a recess formed on the upper side of a rear end thereof. The balance weight is located in the recess and covered by the upper lid.
The balance weight mates the recess and has apertures formed thereon to reduce the weight of the club head (or may be added to the weight of other areas to adjust the gravity center location).
The upper lid is made from a composite material or fibers with a curvature matching the upper side of the club head.
The foregoing, as well as additional objects, features and advantages of the invention will be more readily apparent from the following detailed description, which proceeds with reference to the accompanying drawings.
BRIEF DESCRIPTION OF THE DRAWINGSFIG. 1 is an exploded view of the present invention.
FIG. 2A is a perspective view of the present invention
FIG. 2B is a cross section taken on line A-A in FIG. 2A.
FIG. 3 is a perspective view of a second embodiment of the present invention.
FIG. 4 is a perspective view of a third embodiment of the present invention.
FIG. 5 is a perspective view of a fourth embodiment of the present invention.
FIG. 6 is a perspective view of a fifth embodiment of the present invention.
FIG. 7 is a perspective view of a sixth embodiment of the present invention.
FIG. 8 is a perspective view of a seventh embodiment of the present invention.
FIG. 9 is a perspective view of a eighth embodiment of the present invention.
FIG. 10 is a perspective view of a ninth embodiment of the present invention.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTSPlease refer to FIG. 1, the golf club head according to the invention includes:
Refer to FIGS. 6 and 7 for yet another two embodiments of the present invention. It is constructed substantially like the embodiment shown in FIG. 1. However, the balance weights 2d and 2e have respectively elongated troughs 20d and arched troughs 20e formed thereon.
Refer to FIGS. 8 and 9 for still another two embodiments of the present invention. It is constructed substantially like the embodiment shown in FIG. 1. However, the balance weights 2f and 2g have respectively upper arched troughs 20f and lower arched troughs 20g formed thereon.
Refer to FIG. 10 for another embodiment of the present invention. It is constructed substantially like the embodiment shown in FIG. 1. However, the balance weight 2h has transverse troughs 20h formed thereon.
By means of the constructions set forth above, the invention can provide the following advantages:
For assembly (referring to FIG. 2A), the balance weight 2 is placed in the recess 13 on the upper side 12 of the body 1. Then dispose the upper lid 3 thereon to anchor the balance weight 2 on the upper side 12 of the body 1 (as shown in FIG. 2B). Thus the weight at the upper side of the body 1 is reduced. And the location of the gravity center may be adjusted. As the upper lid 3 is made from a composite material or fibers, it makes the club head more appealing and versatile. It also can generate a crispy sound when hitting golf ball.
Refer to FIG. 3 for a second embodiment of the present invention. It is constructed substantially like the embodiment shown in FIG. 1. The difference is that the balance weight 2a has a flat surface.
Refer to FIGS. 4 and 5 for another two embodiments of the present invention. It is constructed substantially like the embodiment shown in FIG. 1. However, the balance weights uniform fabrication of the club head. By forming apertures and grooves of different shapes on the balance weight, desired results may be achieved. Manufacturing time and cost may also be reduced.
1. A golf club head, comprising:
a body having a hitting face on a front side and a recess on an upper side of a rear end thereof;
a balance weight being a flat plate located in the recess and having apertures formed thereon the balance weight extending in a direction to intersect the hitting face; and
an upper lid covering and bonding the balance weight in an integrated manner to anchor the balance weight such that the weight of the upper side of the golf club head is reduced, and appeal of the golf club head is enhanced by the upper lid and a crisp sound generated when hitting a golf ball.
2. The golf club head of claim 1, wherein the upper lid is made from a composite material or fibers and has a curvature matching the upper side of the golf club head.
3. (canceled)
4. The club head of claim 1, wherein the apertures on the balance weight have a same diameter.
5. The golf club head of claim 1, wherein the apertures on the balance weight have different diameters.
6. The golf club head of claim 1, wherein the balance weight has elongated troughs.
7. The golf club head of claim 1, wherein the balance weight has arched troughs.
8. The golf club head of claim 1, wherein the balance weight has upper arched troughs.
9. The golf club head of claim 1, wherein the balance weight has lower arched troughs.
10. The golf club head of claim 1, wherein the balance weight has transverse troughs.