| Golf putter and system incorporating that putter -> Monitor Keywords |
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Golf putter and system incorporating that putterRelated Patent Categories: Games Using Tangible Projectile, Golf, Practice Swingable Implement Or Indicator Associated With Swingable Implement, Device Attachable To Or Integral With Swingable Implement, Adjustable Swingable Implement, Or Swing Or Position Indicator, Adjustable Implement Or Static Position Indicator (e.g., With Respect To The Golfer, Projectile, Target, Etc.), Integral With Or Attachable To Swingable Implement Head,Golf putter and system incorporating that putter description/claimsThe Patent Description & Claims data below is from USPTO Patent Application 20070213140, Golf putter and system incorporating that putter. Brief Patent Description - Full Patent Description - Patent Application Claims
FIELD OF THE INVENTION [0001] This invention relates generally to golf clubs. More specifically, the invention relates to putters. Most specifically, the invention relates to a golf putter used in combination with an indicium-bearing golf ball to provide a pattern of indicia which allow the golfer to readily control the trajectory of the putter head. BACKGROUND OF THE INVENTION [0002] Putting is a very important part of the game of golf, and many golfers find it very difficult to putt accurately. As a consequence, a very large body of art has been developed relating to putting and putters. Putters are often provided with markings, guides and other devices which have the object of aiding a golfer in directing a putter head along a desired trajectory. Some such alignment devices are shown in U.S. Pat. Nos. 5,072,941; 5,308,068 and 3,333,854. The foregoing patents show alignment devices which basically comprise a guide line projecting across a top face of the head of the putter. [0003] Another approach to providing for putter control and alignment is represented by what is known as the "two ball" putter. The basic concept of this putter is shown in U.S. Pat. No. 4,688,798. As described therein, the head of a golf putter includes at least two simulated golf balls on an upper surface thereof. These simulated golf balls are aligned with the preferred center of percussion ("sweet spot") of the striking face of the putter. The theory of operation of this system is that the player will visually align the simulated golf balls with the ball being putted so as to provide for accurate control of the trajectory of the putter head. As disclosed therein, various simulations of golf balls, both two-dimensional and three-dimensional, are employed in this design of putter. Various embodiments of the two ball putter, including three ball versions, have been implemented and are popular with a number of golfers. Some such embodiments are shown in U.S. Pat. Nos. 6,905,420; 6,793,588; 6,679,782; 6,506,125; and 6,471,600. While such putters are relatively popular, a number of golfers find that the relatively large simulated golf balls make the putters difficult to use and/or compromise their accuracy. [0004] As will be explained hereinbelow, the present invention provides a putter head design which incorporates a uniquely determined pattern of markings which, when used in combination with an appropriately marked golf ball, provide for an alignment and control system which greatly enhances the accuracy of a player's putting. These and other advantages of the invention will be apparent from the drawings, discussion and description which follow. BRIEF DESCRIPTION OF THE INVENTION [0005] Disclosed herein is a head for a golf putter. The head includes a body, a ball-striking face defined on the body, and an upper surface defined on the body. First and second indicia are defined on the upper surface. The indicia lie in a line which is generally perpendicular to the striking face of the putter. The first indicium is closer to the striking face than is the second indicium. The indicia are spaced from one another and from the striking face in a specific arrangement so that when a golf ball bearing an indicium having a size generally similar to the size of the first indicium is disposed at a preselected distance in the range of 0-0.75 inches from the striking face, and with its indicium uppermost, the first indicium will be spaced from the second indicium and from the indicium on the golf ball by an equal distance. [0006] In particular instances, all of the indicia have a diameter which is less than the 1.68 inch diameter of a standard golf ball, and in specific instances, the indicia all have a diameter in the range of 0.1-0.8 inch. In particular instances, the first and second indicia have a generally similar size, and the indicium on the golf ball used in conjunction with the putter will also have a similar size. In specific instances, the indicia are circular. In yet other instances, the putter head may include more than two of such indicia. [0007] The spacing between the centers of the first and second indicia may be defined by a formula D.sub.1,2=D.sub.1,f+X+0.84 inches wherein D.sub.1,2 is the spacing, in inches, between the first and second indicia; D.sub.1,f is the spacing in inches between the center of the first indicium and a plane extending perpendicular to the ball-striking face of the putter head, X is a number having a value in the range of 0-0.75 inches and 0.84 inches is the radius of a typical golf ball. In a particular instance, X will have a value in the range of 0.2-0.6 inches. [0008] Also disclosed herein is an aiming system for a golf putter. The system includes the putter head described above as well as a golf ball having a corresponding indicium defined thereupon. BRIEF DESCRIPTION OF THE DRAWINGS [0009] FIG. 1 is a perspective view of the golf putter system of the present invention; [0010] FIG. 2 is a perspective view of the golf putter head of the present invention; [0011] FIG. 3 is a top plan view of the system of the present invention illustrating the geometric relation of the indicia thereupon; and [0012] FIGS. 4A-4C are schematic depictions of other embodiments of golf putter systems of the present invention. DETAILED DESCRIPTION OF THE INVENTION [0013] The present invention provides an aiming system for a golf putter which allows a golfer to control the trajectory of the putter head with a high degree of accuracy. Furthermore, the user can intuitively adapt to the system, hence no long training is required for its use. In addition, the system is relatively compact and unobtrusive and may be readily incorporated into variously configured putters. [0014] Referring now to FIG. 1, there is shown a perspective view of the system of the present invention in operation. The system includes a golf putter having a putter head 10 structured in accord with the principles of the present invention. The putter is used in combination with a golf ball 12 marked with an indicium 14. As will be seen from the figure, the putter head 10 also includes corresponding indicia 16 and 18. The geometry of the putter head and the placement of the indicia 16, 18 are selected so that in the use of the putter the indicia 16, 18 on the putter will align with the indicium 14 on the ball 12. Furthermore, the centers of all of the indicia 14, 16, 18 will be equally spaced when the ball 14 is proximate the striking face of the putter. This geometric arrangement allows a golfer to readily track the trajectory of the putter head 10 and accurately control it so as to strike the ball 12 with the sweet spot of the putter and putt the ball 12 along a desired path of travel. It should be noted that in the use of the system of the present invention, a golfer's eyes will be spaced from the indicia by at least several feet; owing to the inherent limits on the resolution of a typical user's eyes, some variation in spacing of the indicia may be present without detracting from the indicia appearing to be "equally spaced." Therefore, in the context of this disclosure "equally spaced" indicia are understood to include indicia which, while not precisely equally spaced, appears to be equally spaced in the normal use of the putter. [0015] Referring now to FIG. 2, there is shown a perspective view of the putter head 10 of FIG. 1. It will be noted that no shaft is included in the FIG. 2 drawing, and it is to be understood that putters in accord with the present invention may incorporate shafts of any design. Furthermore, shaft placement on the head may be varied according to club design and user preference. [0016] The putter head 10 of FIG. 2 comprises a body portion having a ball-striking face 20 on the body. As is known in the art, this face 20 may be grooved, embossed, or otherwise textured. Furthermore, it may include inserts or other features, all as known in the art. The putter head 10 of FIG. 2 includes an upper surface 22 which joins the striking face 20 in an angled relationship. As will be further noted from FIG. 2, the upper surface 22 includes a projecting portion 22' extending therefrom. Disposed upon this projecting portion 22' are first, 16 and second, 18 indicia as described above. The first indicium 16 is disposed closest to the striking face 20 and the second 18 is farther from the striking face 20. It should be noted that in some instances, the size of the upper surface 22 may be sufficiently large so that the projecting portion 22' may be eliminated, and all of the indicia incorporated within the bulk of the upper surface. As will be seen, the indicia 16, 18 are aligned along a line which is generally perpendicular to the striking face. In most instances, this alignment line will also pass through a line extending vertically from the percussive center (sweet spot) of the striking face 20. [0017] Referring now to FIG. 3, there is shown a top plan view of a golf putter head 10, generally similar to that described with reference to FIGS. 1 and 2. Also shown is a golf ball 12. The putter head 10 and golf ball 12 are depicted as they would be when a player using the system of the present invention would be lining up a putt. Accordingly, as shown, the golf ball 12 will be spaced from the striking face 20 of the putter head 10 by a distance X which will usually range from 0 to approximately 0.75 inches. Typically, the ball 12 and striking face 20 will be spaced by a distance of approximately 0.2-0.6 inches when the putt is being lined up, and most typically, spacing will be approximately 0.5 inch. According to the principles of the present invention, the second indicium 18 is spaced from the first indicium 16, which in turn is spaced from a plane defined by the striking face 20 of the club by a distance such that when the ball 12 is placed with its indicium 14 uppermost and the ball 12 and putter head 20 are positioned so as to align the putt, all three indicia 14, 16, 18 are linearly aligned, and the spacing between the first and second indicia on the club, and the first indicium 16 and the indicium 14 on the ball are equal, as noted above. [0018] The foregoing geometric relationship of the present invention may, in particular embodiments, be established by the formula: D.sub.1,2=D.sub.1,f+X+0.84 inches. As shown in FIG. 3, D.sub.1,2 equals the distance, in inches, between the centers of the first and second indicia 16, 18; the distance D.sub.1,f is the distance in inches between the center of the first indicium 16 and a plane defined by the striking face 20. As discussed above, X is the spacing, in inches, between the ball 12 and the striking face 20, and as such will be in the range of 0-0.75 inches, and in particular embodiments 0.2-0.6 inches, and in one specific embodiment 0.5 inches. The factor 0.84 inches is the radius of a typical golf ball. In a typical putter of the present invention, the first 16 and second 18 indicia are spaced apart by at least 0.84 inches, and in specific instances the spacing is less than 1.68 inches, and typically in the range of 1-1.5 inches. [0019] It has been found that indicia aligned according to the foregoing geometries provide visual feedback to a golfer which allows for the putter and ball to be readily aligned so as to define a sight line which allows for accurate aiming of the putt. Furthermore, the relative position of the indicia guides the golfer when he or she is swinging the putter so as to provide a dynamic feedback which allows for accurate control of the putter head trajectory. Continue reading about Golf putter and system incorporating that putter... Full patent description for Golf putter and system incorporating that putter Brief Patent Description - Full Patent Description - Patent Application Claims Click on the above for other options relating to this Golf putter and system incorporating that putter patent application. ###  How KEYWORD MONITOR works... a FREE service from FreshPatents1. Sign up (takes 30 seconds). 2. Fill in the keywords to be monitored. 3. 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