Patent Application
20160184674
The present disclosure relates to golf equipment. More particularly, the present disclosure relates to a protective device for a golf club shaft.
Golf club shafts were originally made from wood and eventually steel. More modern golf clubs designs, however, often use club shafts made from materials such as graphite or titanium. Such materials are particularly common in drivers. The use of such materials provides performance advantages for the golfer, in that the club shaft is more flexible and/or lighter in weight. Both of these characteristics will typically lead to improved club head speed.
Golf club shafts made from graphite or titanium are significantly more expensive to make that club shafts made from wood or steel. Moreover, such club shafts are more prone to being broken, bent, or otherwise damaged. This is especially true when the golf clubs are being transported from one location to another by car or by airplane.
What is needed, therefore, is a simple and lightweight golf club shaft protection device for protecting expensive and relatively fragile club shafts when the golf clubs are being transported.
The above and other needs are met by a golf club shaft protector according to the current disclosure. According to one embodiment, the golf club shaft protector includes a first tube member, a second tube member, a first end cap, and a second end cap. Each of the first and second tube members has a generally semi-oval cross-section and the first and second tube members are interlocked with one another along opposed elongate edges to form a hollow tube. This hollow tube has first end and a second end and an inner diameter sized for receiving and retaining a golf club shaft. The first end cap includes a cylindrical side portion and a closed top portion and fits over the first end of the hollow tube. The second end cap also includes a cylindrical side portion and a top portion and fits over the first end of the hollow tube. The top portion of the second end cap includes an opening for inserting and removing a golf club shaft and a plurality of flexible teeth disposed around a perimeter of the opening.
In certain embodiments of the present disclosure, the first and second tube members are each preferably made from a rigid material selected from the group consisting of polymeric materials, metals, and metal alloys. More preferably, the first and second tube members are each made from aluminum or an aluminum alloy.
In certain embodiments of the present disclosure, the first end cap is preferably made from a plastic material and the second end cap is preferably made from a rubber material.
In certain embodiments of the present disclosure, the first tube member preferably includes a first elongate edge having at least one rib projection and a second elongate edge having at least one groove. In addition, the second tube member includes a first elongate edge having at least one groove and a second elongate edge having at least one rib projection. The first tube member rib projection interlocks with the second tube member groove and the second tube member rib projection interlocks with the first tube member groove.
In certain embodiments of the present disclosure, the inner diameter of the hollow tube is preferably from about 25 to about 45 mm. Moreover, in certain embodiments of the present disclosure, the length of the hollow tube is from about 1.0 to about 1.25 meters.
Further advantages of the invention are apparent by reference to the detailed description when considered in conjunction with the figures, which are not to scale so as to more clearly show the details, wherein like reference numbers indicate like elements throughout the several views, and wherein:
According to the present disclosure, a golf club shaft protector 10 is provided. With reference to
As seen in
This hollow tube 28 has first end 30 and a second end 32 and an inner diameter sized for receiving and retaining a golf club shaft. In certain embodiments of the present disclosure, the inner diameter of the hollow tube 28 is preferably from about 25 to about 45 mm. Moreover, in certain embodiments of the present disclosure, the length of the hollow tube 28 is preferably from about 1.0 to about 1.25 meters.
In certain embodiments of the present disclosure, the first and second tube members 12, 14 are each preferably made from a rigid material selected from the group consisting of polymeric materials, metals, and metal alloys. More preferably, the first and second tube members 12, 14 are each made from a metal or metal alloy, such as steel, aluminum, or an aluminum alloy.
As noted above, the first and second tube members 12, 14 are joined together another along opposed elongate edges to form the hollow tube 28. For instance, in certain embodiments, the first tube member 12 may include one or more rib projections 34 along a first edge 20 and one or more grooves 36 along a second edge 22. As best seen in
The hollow tube 28 has a first end 30 and a second end 32, both of which are fitted with end caps 16, 18.
The first end cap 16, which is fitted over the first end 30 of the hollow tube 28, includes a cylindrical side portion 42 and a closed top portion 44, as shown in
As best seen in
The top portion 48 of the second end cap 18 includes an opening 50 for inserting and removing a golf club shaft. In addition, the top portion 48 of the second end cap 18 also includes a plurality of flexible teeth-like projections 52 disposed around a perimeter of the opening 50. These teeth 52 allow the size of the opening 50 to vary somewhat to accommodate the variation in club shaft diameter from the grip of the golf club down to the hosel of the club head.
The golf club shaft protector 10 is placed over the club shaft by first inserting the grip end of the club shaft through the second end cap opening 50 and then sliding the club shaft protector 10 down the length of the club shaft. The club shaft protector 10 preferably covers the entire club shaft length from the grip to the club head and hosel, as shown in
Advantageously, the golf club shaft protector according 10 to the present disclosure provides a simple and lightweight device for protecting expensive and often fragile club shafts while the golf clubs are being transported. Even if the hollow tube 28 of the protector is impacted and slightly dented, the club shaft within may still be protected from damage.
A further advantage may be found in the two-part design of the hollow tube 28 according to the present design. Should the tube 28 become damaged and dented due to rough handling, the inner diameter of the tube may become reduced by indentation. In some instances, this reduction in diameter may be sufficient so as to prevent the club shaft from sliding out of protector 10 via the opening 50 in the second end cap 18. Should this occur, the golf club may still be removed from the protector of the present disclosure sliding off the two end caps 16, 18 and separating the first and second tube members 12, 14 which make up the tube from one another.
The foregoing description of preferred embodiments for this invention has been presented for purposes of illustration and description. It is not intended to be exhaustive or to limit the invention to the precise form disclosed. Obvious modifications or variations are possible in light of the above teachings. The embodiments are chosen and described in an effort to provide the best illustrations of the principles of the invention and its practical application, and to thereby enable one of ordinary skill in the art to utilize the invention in various embodiments and with various modifications as are suited to the particular use contemplated. All such modifications and variations are within the scope of the invention as determined by the appended claims when interpreted in accordance with the breadth to which they are fairly, legally, and equitably entitled.
