Golf putter training tool

Abstract

A golf putter training tool includes a body extending circumferentially about a central axis. The body has a width measured along the central axis and an outer diameter measured radially about the central axis, and the width is at least twice the outer diameter. The alignment indicator extends circumferentially about the central axis and is centered substantially along the width of the body. The body includes a central portion of substantially spherical shape and two opposite end portions coupled to the central portion.

Description

[0001] CROSS-REFERENCE TO RELATED APPLICATIONS

[0002] This application claims the benefit of U.S. Provisional Patent Application No. 63 / 553,835, filed on February 15, 2024, entitled “GOLF PUTTING TRAINING TOOL,” the entire contents of which are incorporated herein by reference. Technical Field

[0003] The present disclosure relates generally to training equipment for golf and, in some embodiments, to golf putting training tools. Summary of the Invention

[0004] In one embodiment, a golf putting training tool includes: a body extending circumferentially about a central axis, the body having a width measured along the central axis and an outer diameter measured radially about the central axis, the width being at least twice the outer diameter; and an alignment indicator extending circumferentially about the central axis, the alignment indicator being generally centered along the width of the body, the body including a generally spherical central portion and two opposing end portions coupled to the central portion.

[0005] In some embodiments, the body has an outer diameter of approximately 42.6 mm and a width of approximately 156.6 mm. In some embodiments, the alignment indicator is a groove in the body. In some embodiments, the center portion includes a plurality of pits disposed along its outer surface. In some embodiments, the end portions are free of pits. In some embodiments, the alignment indicator is a surface marking applied to the body. In some embodiments, the body has a non-uniform thickness. In some embodiments, the two opposing end portions are generally frustoconical in shape.

[0006] In some embodiments, the golf putting training tool further includes a core extending circumferentially about the central axis and positioned within the body, and a shell disposed about the core and comprising a material having a first Shore D hardness, the body being disposed about the shell and having a second Shore D hardness less than the first Shore D hardness. In some embodiments, the core is comprised of expanded polypropylene (EPP) foam, the shell is comprised of a rubber material, and the body is comprised of a polyurethane material.

[0007] In another embodiment, there is a golf putting training tool comprising: a body extending circumferentially about a central axis, the body having a width of approximately 156.6 mm measured along the central axis and an outer diameter of approximately 42.6 mm measured radially about the central axis; and an alignment indicator extending circumferentially about the central axis, the alignment indicator being approximately centered along the width of the body, the body comprising: a central portion that is generally spherical in shape and includes a plurality of dimples disposed along an outer surface thereof; and two opposing end portions coupled to the central portion, each end portion being generally frustoconical in shape and lacking dimples.

[0008] In some embodiments, the alignment indicator is a groove in the body. In some embodiments, the alignment indicator is a surface marking applied to the cover. In some embodiments, the body has a non-uniform thickness.

[0009] In another embodiment, a method of using a golf putting training tool includes placing the golf putting training tool on the ground, the golf putting training tool comprising a core extending circumferentially about a core axis, a shell disposed about the core, a cover disposed about the shell, the cover having a width measured along the core axis and an outer diameter measured radially about the core axis, the width being at least twice the outer diameter, an alignment indicator extending circumferentially about the core axis, the alignment indicator being approximately centered along the width of the core. The method also includes aligning an alignment aid of a putter with the alignment indicator of the golf putting training tool and striking the golf putting training tool with the face of the putter. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] The following detailed description of embodiments of a golf putting training tool will be better understood when read in conjunction with the accompanying drawings of exemplary embodiments. It should be understood, however, that the invention is not limited to the precise arrangements and instrumentalities shown.

[0011] In the attached figure:

[0012] Figure 1 is a perspective view of a golf putting training tool according to an exemplary embodiment of the present disclosure;

[0013] Figure 2 yes Figure 1 A cross-sectional view of a golf putting training tool;

[0014] Figure 3 yes Figure 1 A front view of a golf putting training tool with a conventional putting surface positioned behind it;

[0015] Figure 4 is a perspective view of a golf putting training tool according to another exemplary embodiment of the present disclosure;

[0016] Figure 5 yes Figure 4 A front view of a golf putting training tool with a conventional putting surface positioned behind it;

[0017] Figure 6 is a perspective view of a golf putting training tool according to another exemplary embodiment of the present disclosure;

[0018] Figure 7 yes Figure 6 A front view of a golf putting training tool with a conventional putting surface positioned behind it;

[0019] Figure 8 is a perspective view of a golf putting training tool according to another exemplary embodiment of the present disclosure;

[0020] Figure 9 is a perspective view of a golf putting training tool according to another exemplary embodiment of the present disclosure;

[0021] Figure 10 is a perspective view of a golf putting training tool according to another exemplary embodiment of the present disclosure;

[0022] Figure 11 is a perspective view of a golf putting training tool according to another exemplary embodiment of the present disclosure;

[0023] Figure 12 is a perspective view of a golf putting training tool according to another exemplary embodiment of the present disclosure;

[0024] Figure 13 is a perspective view of a golf putting training tool according to another exemplary embodiment of the present disclosure;

[0025] Figure 14 is a perspective view of a golf putting training tool according to another exemplary embodiment of the present disclosure;

[0026] Figure 15 yes Figure 14 A cross-sectional view of a golf putting training tool;

[0027] Figure 16 is a perspective view of a golf putting training tool according to another exemplary embodiment of the present disclosure;

[0028] Figure 17 yes Figure 16 A cross-sectional view of a golf putting training tool;

[0029] Figure 18-19 is an illustration of a method of using a golf putting training tool according to an exemplary embodiment of the present disclosure. DETAILED DESCRIPTION

[0030] When putting in golf, players typically try to imagine the imaginary path they want their golf ball to follow along the green. To ensure their ball follows this imaginary path, players must ensure that their putting face is approximately perpendicular to this path at impact between the putting face and the ball. This is commonly referred to as keeping the putting face square to the intended path. However, consistently doing this can be difficult for players because it requires a degree of putting skill that they may not possess. For example, a lack of skill and / or sufficient training may result in players hitting the golf ball with an open putting face (e.g., with the heel of the club face leading the toe) or with a closed putting face (e.g., with the toe of the club face leading the heel). Therefore, there is a need in the art for a golf putting training tool that is configured to help players keep their putting face square to the golf ball and provide an indication of whether the putting face is open or closed at impact.

[0031] Various aspects of the present disclosure are described with reference to the game of golf, and therefore, various golf-specific terms are discussed herein. A "putter" is a club used in the game of golf that is designed for putting and typically has a flat head that is approximately perpendicular to the ground during use. A "club head," as used to refer to a golf club (e.g., a putter), is the portion of the golf club that strikes a golf ball. A "face" or "club face," as used to refer to a club head and / or putter, is the flat surface of the club head that is intended to be used to strike a golf ball. The "toe" of the club face is the area of the club face farthest from the golfer during use. The "heel" of the club face is the area of the club face closest to the golfer during use. A "golf ball" is a ball designed for the game of golf and may have a diameter of no less than 1.680 inches and a mass of no more than 1.620 ounces. A "user" may refer to anyone who operates the golf putting training tool of the present disclosure.

[0032] Referring to the drawings in detail, wherein like reference numerals refer to like elements throughout, Figure 1-3 , a golf putting training tool according to an exemplary embodiment of the present invention is shown, generally designated 100 and referred to simply as training tool 100. Golf putting training tool 100 can be configured to provide an indication of whether the face of a putter used to strike the training tool 100 is closed or open when striking a ball. In some embodiments, golf putting training tool 100 is configured to provide a contact surface that is equal to or greater than the width of the putter face. In some embodiments, golf putting training tool 100 is configured to provide at least two lateral contact points with the putter face. In some embodiments, golf putting training tool 100 is configured to simulate the feel and / or sensation of striking a golf ball with a putter.

[0033] refer to Figure 1-2The training tool 100 of the present disclosure can be constructed from one or more layers configured to simulate the feel of hitting a golf ball with a putter. In some embodiments, the training tool 100 includes three layers: a core 102 extending circumferentially about a core axis C, a shell 104 disposed about the core 102, and a cover 106 disposed about the shell 104. The core 102 can be encased in the shell 104. For example, the core 102 can be positioned within an interior cavity of the shell 104 that covers the entire core 102. Similarly, the shell 104 can be encased in the cover 106. In other embodiments, the training tool 100 can include more than three layers (e.g., additional layers disposed about the shell 104 and within the cover 106).

[0034] In some embodiments, core 102, shell 104, and / or cover 106 are comprised of materials configured to simulate the feel of hitting a golf ball with a putter. Shell 104 may be comprised of a material having a first Shore D hardness, and cover 106 may be comprised of a material having a second Shore D hardness less than the first Shore D hardness of shell 104. In some embodiments, core 102 is comprised of expanded polypropylene (EPP) foam, shell 104 is comprised of a rubber material, and cover 106 is comprised of a polyurethane material. In some embodiments, cover 106 includes a plurality of dimples 114 formed along an outer surface of cover 106.

[0035] refer to Figure 2-3 In some embodiments, the training tool 100 is sized to cover the entire face of a conventional putter. The cover 106 may have a width W measured along the core axis C that is equal to or greater than the width of a conventional putter face. For example, Figure 3 The diagram shows the training tool 100 positioned in front of a conventional putter face 10 shown in phantom. Figure 3 As shown, the width W of the training tool 100 is greater than the width Wp of the putter face 10. Figure 3 As shown, the cover 106 may have an outer diameter D measured radially about the core axis C that is greater than the height Hp of the putter face 10. Thus, the training tool 100 is sized to cover the entire putter face 10, as shown in FIG. Figure 3 shown.

[0036] In some embodiments, width W is at least twice the outer diameter D. For example, width W can be approximately 156.6 mm, and outer diameter D can be approximately 42.6 mm. In some embodiments, width W is at least three times the outer diameter D. In some embodiments, width W is between approximately two and approximately four times the outer diameter D. In some embodiments, outer diameter D is approximately equivalent to the diameter of a conventional golf ball. In some embodiments, width W is between approximately 50% and approximately 110% of the width Wp of a conventional putter face 10. In some embodiments, outer diameter D is approximately twice the height Hp of a conventional putter face 10. In some embodiments, training tool 100 has a total mass approximately the same as that of a golf ball. For example, training tool 100 can have a mass of approximately 45.5 grams.

[0037] In some embodiments, the training tool 100 is configured to provide at least two lateral contact points for the putter face 10. The lateral direction referred to herein can be a direction generally parallel to the core axis C and / or a measurement direction for width W as discussed herein. In some embodiments, the cover 106 of the training tool 100 is shaped to provide at least two lateral contact points along its width W. The cover 106 can have a shape such that at least two contact points spaced apart from each other are present on its outer surface, the two contact points being located on a common lateral axis. For example, as shown, at least a portion of the cover 106 can be cylindrical, such that a plurality of contact points are spaced apart from each other and generally located on a common lateral axis.

[0038] In some embodiments, the training tool 100 is generally spherical-cylindrical in shape. For example, Figure 1 The illustrated cover 106 includes a generally cylindrical body including a central portion and opposing hemispherical end portions of the cover 106. The spherical cylindrical shape of the cover 106 allows the cover 106 to be wide enough to cover a conventional putter face, thereby enabling contact with the training tool 100 along the entire width of the putter face during impact. In other embodiments, the training tool 100 is generally cylindrical in shape.

[0039] refer to Figure 1 and 3In some embodiments, the training tool 100 includes an alignment indicator 108 that is configured to assist a user in aligning the face of their putter with the training tool 100 during use. The alignment indicator 108 can extend circumferentially about the core axis C and be generally centered along the width of the cover 106. The alignment indicator 108 can be visible at the cover 106 so that a user can easily locate the indicator 108 and align their putter with it during use. In some embodiments, the alignment indicator 108 can be a different color than the cover 106 so that it can be easily seen by the user. For example, the cover 106 can be white and the alignment indicator 108 can be red. In some embodiments, the alignment indicator 108 is a groove that extends along the cover 106. For example, Figure 1 and 3 The alignment indicator 108 shown in FIG is a groove formed in the cover 106. In other embodiments, the alignment indicator 108 is a surface marking applied to the outer surface of the cover 106. For example, the alignment indicator 108 can be a marking made of ink, paint, or any suitable material applied to the outer surface of the cover 106.

[0040] In some embodiments, the training tool 100 includes grooves 110 and 112 that extend circumferentially about the core axis C and are spaced apart from the alignment indicator 108. The grooves 110 and 112 can be positioned opposite each other along the width of the cover 106. For example, the groove 110 is positioned proximate a first end of the cover 106, and the groove 112 is positioned proximate a second end of the cover 106 that is opposite the first end. In some embodiments, surface markings, printed graphics (e.g., an arrow pattern graphic), and / or embossed elements can be positioned within the grooves 110 and 112 to provide a visual indicator to the user similar to the alignment indicator 108.

[0041] In some embodiments, the training tool 100 includes a plurality of dimples 114 along the outer surface of the cover 106. In some embodiments, the dimples 114 are distributed along a majority of the outer surface of the cover 106. Similar to a conventional golf ball, the dimples 114 can be evenly distributed along the outer surface of the cover 106. For example, the dimples 114 can form a pattern along the outer surface of the cover 106. In some embodiments, including a plurality of dimples 114 positioned along the outer surface of the cover 106 helps simulate the feel of a golf ball when hitting the training tool.

[0042] refer to Figure 4-5, shows an embodiment of a golf putting training tool, generally designated 200, according to another exemplary embodiment of the present disclosure. Training tool 200 may be substantially identical to training tool 100, except that it may be smaller in size. The smaller size of training tool 200 may make training tool 200 more challenging for a user to putt in a straight line when compared to training tool 100. For example, the surface area of training tool 200 is smaller than that of training tool 100, which may make training tool 100 easier to putt in a straight line than training tool 200. Although not shown, training tool 200 may include a core, shell, and cover layers substantially similar to core 102, shell 104, and cover 106 described above. Training tool 200 may include an alignment indicator 208 substantially identical to alignment indicator 108. Alignment indicator 208 may extend circumferentially about core axis C and may be visible along cover 206.

[0043] In some embodiments, the training tool 200 is sized to at least partially cover the putter face 10. For example, the cover 206 of the training tool 200 may have an outer diameter D2 that is greater than the height Hp of a conventional putter face 10 and a width W2 that is less than the width Wp of a conventional putter face 10. In some embodiments, diameter D2 is approximately equal to the diameter of a conventional golf ball. For example, diameter D2 may be approximately 42.6 mm. In some embodiments, width W2 is approximately equal to width Wp. In some embodiments, width W2 is between approximately 90% and approximately 110% of the width Wp of a conventional putter face 10. In some embodiments, width W2 of the cover 106 is approximately 106.5 mm. In some embodiments, width W2 is at least twice the outer diameter D2 of the cover 206.

[0044] refer to Figure 6-7 , shows an embodiment of a golf putting training tool, generally designated 300, according to another exemplary embodiment of the present disclosure. Training tool 300 can be generally similar to training tool 100 described above, except that the shape of training tool 300 can be different from the shape of training tool 100. Although not shown, training tool 300 can be comprised of a core extending circumferentially about a core axis C, a shell, and a cover 306, each of which is generally identical to core 102, shell 104, and cover 106, except having different shapes. In some embodiments, cover 306 has a center portion 316 that is generally spherical in shape and two opposing end portions 318a and 318b that are generally frustoconical in shape. For example, Figure 6-7 The illustrated center portion 316 has a shape (eg, approximately a soccer ball shape) defined by rotating an ellipse about a core axis C. In some embodiments, the center portion 316 includes a plurality of dimples. In some embodiments, the end portions 318a and 318b lack dimples.

[0045] In some embodiments, the training tool 300 includes an alignment indicator 308 that is substantially identical to the alignment indicator 108, except that it is a surface marking applied to the outer surface of the cover 306. For example, the alignment indicator 308 can be a strip of paint or colored adhesive applied to the outer surface of the cover 306 and extending circumferentially around the core axis C. In some embodiments, the alignment indicator 308 is a surface marking applied to the outer surface of the cover 306, which results in the alignment indicator 308 having little effect on the travel of the training tool 300 in response to being struck by a user. In other embodiments, the alignment indicator 308 is a groove formed in the cover 306.

[0046] In some embodiments, training tool 300 is sized to substantially cover putter face 10. For example, cover 306 may have a maximum diameter D3 that is greater than height Hp of putter face 10 and a width W3 that is greater than width Wp of putter face 10. In some embodiments, width W3 is at least twice as large as maximum diameter D3. In some embodiments, width W3 is between approximately two and four times as large as maximum diameter D3. In some embodiments, width W3 of cover 306 is approximately 132.3 mm, and maximum diameter D3 of cover 306 is approximately 42.6 mm.

[0047] refer to Figure 8 , shows an embodiment of a golf putting training tool, generally designated 400, according to another exemplary embodiment of the present disclosure. Training tool 400 can be substantially identical to training tool 100, except that it may not include grooves 110 and 112 near the ends of cover 406. Although not shown, training tool 400 can be comprised of a core, a shell, and a cover 406 extending circumferentially about a core axis C, each of which is substantially identical to core 102, shell 104, and cover 106. In some embodiments, training tool 400 can be substantially the same size as training tool 100. For example, width W4 and outer diameter D4 of cover 406 can be equal to the width W4 and outer diameter D4 described above with respect to FIG. Figure 1-2 The width W and outer diameter D of the cover 106 are discussed. In some embodiments, the training tool 400 includes an alignment indicator 408 that is substantially identical to the alignment indicator 108. For example, the alignment indicator 408 is centered along the width W4 of the cover 406 and extends circumferentially about the core axis C.

[0048] refer to Figure 9, shows an embodiment of a golf putting training tool, generally designated 500, according to another exemplary embodiment of the present disclosure. Although not shown, training tool 500 may be comprised of a core, a shell, and a cover 506 extending circumferentially about a core axis C, each of which is substantially identical to core 102, shell 104, and cover 106. Training tool 500 may be substantially identical to training tool 400, except that portions of cover 506 may be devoid of dimples. For example, and as Figure 9 As shown, the hemispherical end portions of the cover 506 are devoid of dimples, while the cylindrical center portion includes a plurality of dimples 514. In some embodiments, the hemispherical end portions of the cover 506 are substantially smooth. In some embodiments, the end portions of the cover 506 are devoid of dimples. In some embodiments, the cover 506 of the training tool 500 has a width W5 and a diameter D5 that are substantially the same as those of the training tool 400.

[0049] refer to Figure 10 , shows an embodiment of a golf putting training tool, generally designated 600, according to another exemplary embodiment of the present disclosure. Training tool 600 can be similar to training tool 100, except that it can lack dimples 114, can be shaped differently, and / or can include one or more spiral indicators. Although not shown, training tool 600 can be comprised of a core extending circumferentially about a core axis C, a shell, and a cover 606, each of which can be substantially identical to core 102, shell 104, and cover 106. Alignment indicator 608 of training tool 600 can be substantially identical to alignment indicator 108, except that alignment indicator 608 can be a surface marking applied to an outer surface of cover 606.

[0050] In some embodiments, the training tool 600 includes a center portion 616 having a generally cylindrical shape and two opposing end portions 618a and 618b having a frusto-conical shape. The center portion 616 may include indicators 620a and 620b, each forming a spiral pattern along the outer surface of the cover 606. Each indicator 620a and 620b may be defined by a spiral path extending from the alignment indicator 608 to the end portions 618a and 618b. In some embodiments, the indicators 620a and 620b are surface markings applied to the outer surface of the cover 606. In some embodiments, the spiral pattern of the indicators 620a and 620b may help the user visually determine whether the path of travel of the training tool 600 is generally straight (e.g., when rolling along a straight line).

[0051] In some embodiments, training tool 600 is sized to at least substantially cover the face of a putter. For example, as described above, cover 606 may have an outer diameter D6 and a width W6 that are greater than the corresponding height and width of a conventional putter face. In some embodiments, diameter D6 is approximately equal to the diameter of a golf ball. For example, diameter D6 may be approximately 42.6 mm. In some embodiments, width W6 is between approximately 106.6 mm and approximately 156.6 mm. In some embodiments, width W6 is approximately 132.3 mm.

[0052] refer to Figure 11 , shows an embodiment of a golf putting training tool, generally designated 700, according to another exemplary embodiment of the present disclosure. Training tool 700 can be similar to training tool 100, except that it can not include an alignment indicator and can be shaped differently. Although not shown, training tool 700 can be comprised of a core extending circumferentially about a core axis C, a shell, and a cover 706, each of which is substantially identical to core 102, shell 104, and cover 106. In some embodiments, the outer surface of cover 706 has a shape defined by a series of spherical shapes, each centered on and extending along core axis C, and each spherical shape having substantially the same size and / or shape. In some embodiments, the outer surface of cover 706 has a shape defined by a series of alternating convex and concave curves that revolve around core axis C.

[0053] In some embodiments, training tool 700 is sized to at least substantially cover the face of a putter. For example, as discussed above, cover 706 may have a maximum outer diameter D7 and a width W7 that are greater than the corresponding height and width of a conventional putter face. In some embodiments, maximum outer diameter D7 is approximately equal to the diameter of a golf ball. For example, maximum outer diameter D7 may be approximately 42.6 mm. In some embodiments, width W7 is between approximately 106.6 mm and approximately 170.0 mm. In some embodiments, width W7 is approximately 156.9 mm.

[0054] refer to Figure 12FIG. 8 illustrates an embodiment of a golf putting training tool, generally designated 800, according to another exemplary embodiment of the present disclosure. Training tool 800 may be similar to training tool 100, except that it may not include any dimples and may be shaped differently. Although not shown, training tool 800 may be comprised of a core extending circumferentially about a core axis C, a shell, and a cover 806, each of which is substantially identical to core 102, shell 104, and cover 106. Cover 806 may include a generally cylindrical center portion 816 and two opposing end portions 818a and 818b having generally conical shapes. In some embodiments, conical end portions 818a and 818b have rounded apexes rather than pointed apexes. Alignment indicator 808 may be similar to alignment indicator 108, except that it may be a surface marking applied to cover 806 and may include one or more patterned shapes. For example, and as shown, alignment indicator 808 includes a series of arrows disposed between opposing lines, each extending circumferentially about core axis C.

[0055] In some embodiments, training tool 800 is sized to at least substantially cover the face of a putter. For example, as discussed above, cover 806 may have a maximum outer diameter D8 and a width W8 that are greater than the corresponding height and width of a conventional putter face. In some embodiments, maximum outer diameter D8 is approximately equal to the diameter of a golf ball. For example, maximum outer diameter D8 may be approximately 42.6 mm. In some embodiments, width W8 is between approximately 156.6 mm and approximately 250.0 mm. In some embodiments, width W8 is approximately 228.3 mm.

[0056] refer to Figure 13 , shows an embodiment of a golf putting training tool, generally designated 900, according to another exemplary embodiment of the present disclosure. Training tool 900 may be similar to training tool 300, except that it may not include any dimples and may be shaped differently. Although not shown, training tool 900 may be comprised of a core extending circumferentially about a core axis C, a shell, and a cover 906, each of which is substantially identical to core 102, shell 104, and cover 106. In some embodiments, cover 906 is substantially identical in shape to cover 306, except that center portion 916 is substantially cylindrical. In some embodiments, training tool 900 includes an alignment indicator substantially identical to alignment indicator 108 or alignment indicator 308. For example, training tool 900 may include an alignment indicator centered along width W9 of the training tool, extending circumferentially about core axis C, and visible along cover 906.

[0057] In some embodiments, training tool 900 is sized to at least substantially cover the face of a putter. For example, as discussed above, cover 906 may have a maximum outer diameter D9 and a width W9 that are greater than the corresponding height and width of a conventional putter face. In some embodiments, maximum outer diameter D9 is approximately equal to the diameter of a golf ball. For example, maximum outer diameter D9 may be approximately 42.6 mm. In some embodiments, width W9 is between approximately 106.5 mm and approximately 156.6 mm. In some embodiments, width W9 is approximately 132.3 mm.

[0058] Reference Figure 14-15 , illustrates an embodiment of a golf putting training tool, generally designated 1000, according to another exemplary embodiment of the present disclosure. Training tool 1000 may be similar to training tool 300, except that it may include a body 1006 similar to cover 306, except that its central portion 1016 may be spherical in shape and / or may have a non-uniform thickness. In some embodiments, and although not shown, training tool 1000 may be comprised of a core, a shell, and body 1006 extending circumferentially about a core axis C, with a cover encapsulating the core and shell. The core, shell, and cover 1006 of training tool 1000 may be substantially similar to core 102, shell 104, and cover 106, except that they may have different shapes. In other embodiments, training tool 1000 does not include a core and / or shell disposed within body 1006. In some embodiments, body 1006 is hollow. In some embodiments, body 1006 extends circumferentially about central axis C. In some embodiments, the body 1006 has a generally spherical central portion 1016 and two opposing end portions 1018a and 1018b that are generally frustoconical in shape. In some embodiments, the central portion 1016 includes a plurality of dimples, similar to the training tool 100 discussed above. In some embodiments, the end portions 1018a and 1018b are generally smooth. The end portions 1018a and 1018b may be free of dimples.

[0059] In some embodiments, the training tool 1000 includes an alignment indicator 1008 that is substantially identical to the alignment indicator 308, except that it is a recess formed in the body 1006. Although not shown, the alignment indicator 1008 may include color and / or surface markings to aid in visual identification of the alignment indicator 1008. In some embodiments, the training tool 1000 is substantially the same size as the training tool 300. For example, the width W10 and maximum diameter D10 of the body 1006 may be substantially equal to those described above with respect to the alignment indicator 308. Figure 6-7 The width W3 and outer diameter D3 of the cover 306 discussed above. In some embodiments, the body 1006 has a non-uniform thickness. For example, and as Figure 15As shown, the central portion 1016 of the body 1006 can have a thickness that is greater than the thickness of the end portions 1018a and 1018b. In some embodiments, the thickness of the body 1006 at different regions is selected to achieve a generally uniform weight distribution throughout the training tool 1000. In some embodiments, the body 1006 can include apertures 1019a and 1019b at its end portions 1018a and 1018b. In some embodiments, the apertures 1019a and 1019b are sized to achieve a generally uniform weight distribution of the training tool 1000. The apertures 1019a and 1019b can be aligned with the central axis C. For example, the apertures 1019a and 1019b extend circumferentially around the central axis C. In some embodiments, the apertures 1019a and 1019b have generally equal diameters.

[0060] Reference Figure 16-17 , shows an embodiment of a golf putting training tool according to another exemplary embodiment of the present disclosure, generally designated 1100. Training tool 1100 may be substantially the same as training tool 1000, except that the thickness of one or more portions of body 1106 may be different from the thickness of body 1006. For example, and as Figure 17 As shown, the end portions 1118a and 1118b of the body 1106 can have a thickness greater than the thickness of the center portion 1116. In some embodiments, the thickness of the body 1106 at different regions is selected to achieve a generally uniform weight distribution throughout the training tool 1100. In some embodiments, the body 1106 includes apertures 1119a and 1119b located at the corresponding end portions 1118a and 1118b. The apertures 1119a and 1119b can be sized to achieve a generally uniform weight distribution of the training tool 1100. In some embodiments, the apertures 1119a and 1119b extend circumferentially around the center axis C. In some embodiments, the apertures 1119a and 1119b have generally equal diameters.

[0061] Although not shown, training tool 1100 may be comprised of a core extending circumferentially about a core axis, a shell, and a body 1106. Body 1106 may act as a cover that encapsulates the core and shell in much the same manner as cover 106. In such embodiments, the core, shell, and cover 1106 of training tool 1100 may be substantially identical to core 102, shell 104, and cover 106, except that they may have different shapes. In other embodiments, training tool 1100 does not include a core and / or shell disposed within body 1106. In some embodiments, body 1106 is hollow. In some embodiments, body 1106 extends circumferentially about central axis C. In some embodiments, training tool 1100 includes an alignment indicator 1108 that is substantially identical to alignment indicator 1008. Although not shown, alignment indicator 1108 may include color and / or surface markings to aid in visual identification of alignment indicator 1108. In some embodiments, training tool 1100 is substantially the same size as training tool 1000. For example, the width W11 and maximum diameter D11 of the body 1106 may be substantially equal to the width W10 and maximum diameter D10 of the cover 1006 .

[0062] refer to Figure 18-19 , shows a method of using a golf putting training tool according to an exemplary embodiment of the present disclosure. For the sake of simplicity, the method uses the above reference Figure 1-3 The golf putting training tool 100 shown and described is illustrated. However, it should be understood that any of the training tools 100, 200, 300, 400, 500, 600, 700, 800, 900, 1000, and / or 1100 can be used according to the following method. In some embodiments, the method includes placing the golf putting training tool on the ground. For example, the training tool 100 can be placed on the ground in a stationary position 50a. In some embodiments, the method includes aligning the training tool with a predetermined path of travel. For example, a user can orient the training tool 100 relative to the ground so that the alignment indicator 108 extends along a desired path of travel that is within a predetermined distance. Figure 18-19 Indicated as axis A.

[0063] The method may include aligning the alignment aid 12 of the putter with the alignment indicator 108 of the training tool. For example, the putter is placed behind the training tool 100 and the alignment aid 12 of the putter is aligned with the alignment indicator 108 of the training tool 100. Aligning the alignment aid 12 and the indicator 108 may include aligning the alignment aid 12 of the putter substantially parallel to and vertically aligned with the indicator 108. For example, Figure 18 In FIG. 1 , the alignment aid 12 is aligned with the indicator 108 and each extends along a common axis A. Figure 19An example is provided in which the alignment aid 12 is not aligned with the indicator 108. For example, Figure 19 In some embodiments, the alignment aid 12 extends along an axis B that is not parallel to or vertically aligned with (e.g., a predetermined path of travel) the axis A. In some embodiments, when the putter and training tool 100 are properly aligned with each other, the putter face 10 may be substantially parallel to the core axis C of the training tool 100. For example, Figure 18 The putter face 10 is shown to be generally parallel to the core axis C, wherein Figure 19 In FIG. 1 , the putter face 10 is angled relative to the core axis C.

[0064] In some embodiments, the method includes striking the golf putting training tool 100 with the face of the putter. Figure 18-19 As indicated by the arrow in FIG, the user swings the putter so that the training tool 100 is struck by the putter face 10. The putter face 10 remains at right angles to the predetermined path of travel (e.g., as shown in FIG. Figure 18 In the case of the training tool 100 shown in FIG. 5 , the training tool 100 is configured to roll from the rest position 50a along the predetermined travel path A to the second position 50b. Figure 18 As shown, the training tool 100 is struck when the putter face 10 is parallel to the core axis C, causing the training tool to roll from the rest position 50a to the second position 50b along the predetermined travel path A. As the training tool 100 rolls along the predetermined travel path A, the orientation of the core axis C remains substantially the same. Figure 18 In the embodiment of the present invention, training tool 100 is translated along predetermined path of travel A such that core axis C remains substantially perpendicular thereto from rest position 50a to second position 50b. This provides a visual indication to the user that their putter face 10 is square to predetermined path of travel A at impact. Thus, the user can attempt to repeat the same swing to improve their ability to consistently square the face of their putter to the predetermined path of travel at impact.

[0065] When the putter face 10 is open or closed at contact (e.g., Figure 19 In the case shown in FIG. 5 , the training tool 100 is configured to deviate from the predetermined path of travel and roll from the rest position 50a to the second position 50c. Figure 19 In FIG. 1 , the putter face 10 is closed relative to the training tool 100 upon contact, causing the training tool 100 to deviate from the predetermined path of travel A. For example, Figure 19, the putter face 10 in the training tool 100 is at an oblique angle relative to the core axis A upon contact. Consequently, the toe of the putter contacts the training tool 100, causing the training tool 100 to rotate such that the core axis C is no longer perpendicular to the predetermined path of travel A. In this manner, the training tool 100 rolls from the rest position 50a to the second position 50c, where the core axis C is at an oblique angle relative to the predetermined path of travel A. This can provide a visual indication to the user that their putter face 10 is not at a right angle to the predetermined path of travel A upon impact.

[0066] In addition, Figure 19 In the second position 50c shown, at impact, the end of the training tool 100 near the toe of the putter is located in front of the opposite end, thereby providing a visual indication to the user that their putter face 10 is closed at impact. This may be beneficial to the user because they may attempt to adjust their swing and / or grip to compensate for the closed putter face. Similarly, if the end of the training tool 100 near the heel of the putter is in front of the opposite end, this may provide a visual indication to the user that their putter face 10 is open at impact. In this way, the training tools and methods discussed herein can enable users to reliably practice putting while providing immediate and easily recognizable feedback to help users improve their putting skills.

[0067] Those skilled in the art will appreciate that changes may be made to the exemplary embodiments shown and described above without departing from the broad inventive concepts of the present invention. It should be understood that the embodiments and claims disclosed herein are not limited in their application to the details of construction and arrangement of components set forth in the specification and illustrated in the drawings. Rather, the specification and drawings provide examples of contemplated embodiments. The embodiments and claims disclosed herein are capable of other embodiments and can be practiced and carried out in various ways.

[0068] Specific features of the exemplary embodiments may or may not be part of the claimed invention, and various features of the disclosed embodiments may be combined. Unless otherwise specified herein, the terms "a," "an," and "the" are not limited to one element, but should be understood to mean "at least one." Finally, unless otherwise specified herein, the disclosed or claimed methods should not be limited to performing their steps in the order written, and those skilled in the art will readily appreciate that the steps may be performed in any practical order.

Claims

1. A golf putting training tool comprising: a body extending circumferentially about the central axis, the body having a width measured along the central axis and an outer diameter measured radially about the central axis, the width being at least twice the outer diameter; and an alignment indicator extending circumferentially about the central axis, the alignment indicator being generally centered along the width of the body, The main body includes a central portion having a substantially spherical shape and two opposite end portions coupled to the central portion.

2. The golf putting training tool according to claim 1, wherein: The central portion includes a plurality of dimples disposed along an outer surface thereof.

3. The golf putting training tool according to claim 2, wherein: The end portion is free of dimples.

4. The golf putting training tool according to claim 1, wherein: The outer diameter of the body is approximately 42.6 mm and the width is approximately 156.6 mm.

5. The golf putting training tool according to claim 1, wherein: The alignment indicator is a groove in the body.

6. The golf putting training tool according to claim 1, wherein: The alignment indicator is a surface marking applied to the body.

7. The golf putting training tool according to claim 1, wherein: The body has a non-uniform thickness.

8. The golf putting training tool according to claim 1, wherein: The two opposing end portions are generally frusto-conical in shape.

9. The golf putting training tool according to claim 1, further comprising: a core extending circumferentially about the central axis and positioned within the body; and a shell disposed about the core and comprising a material having a first Shore D hardness, The body is disposed around the shell and has a second Shore D hardness that is less than the first Shore D hardness.

10. The golf putting training tool according to claim 9, wherein: The core is composed of expanded polypropylene (EPP) foam, the shell is composed of a rubber material, and the body is composed of a polyurethane material.

11. A golf putting training tool comprising: a body extending circumferentially about the central axis, the body having a width measured along the central axis of approximately 156.6 mm and an outer diameter measured radially about the central axis of approximately 42.6 mm; and an alignment indicator extending circumferentially about the central axis, the alignment indicator being generally centered along the width of the body, Wherein, the subject includes: a central portion that is generally spherical in shape and includes a plurality of dimples disposed along its outer surface, and Two opposing end portions are coupled to the central portion, each end portion being generally frustoconical in shape and devoid of a dimple.

12. The golf putting training tool according to claim 11, wherein: The alignment indicator is a groove in the body.

13. The golf putting training tool according to claim 11, wherein: The alignment indicator is a surface marking applied to the body.

14. The golf putting training tool according to claim 11, wherein: The body has a non-uniform thickness.

15. A method of using a golf putting training tool, the method comprising: A golf putting training tool is placed on the ground, wherein the golf putting training tool comprises: a core extending circumferentially about a core axis; a shell disposed about the core; a cover disposed about the shell, the cover having a width measured along the core axis and an outer diameter measured radially about the core axis, the width being at least twice the outer diameter; and an alignment indicator extending circumferentially about the core axis, the alignment indicator being generally centered along the width of the core; aligning the alignment aid of the putter with the alignment indicator of the golf putting training tool; and The golf putting training tool is struck with the face of the putter.

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