GOLF SWING TRAINER

Abstract

A golf swing trainer system includes a frame formed by one or more frame elements, and a training ball that simulates or is formed from a golf ball. The training ball is attached to a static cord that is attached to and/or restrained at a first location of the frame. The training ball is further attached to a dynamic cord that is attached to and/or restrained at a second location of the frame. The opposing static and dynamic cords collectively serve to return the training ball to its initial position as a result of the tension applied to the training ball by the dynamic cord after being driven by a user, while the static cord restrains recoil of the training ball beyond the initial position.

Description

BACKGROUND

Golfers utilize a variety of training techniques and training tools to improve their golf game. A common form of golf training involves the repetitive driving of golf balls at a driving range, which enables golfers to practice their golf swing. Some training techniques and training tools may enable training off the golf course or outside the context of a driving range, such as in the comfort of a person's home, office, gym, or backyard.

SUMMARY

A golf swing trainer is disclosed for use by a golfer in training a golf swing. As one example, a golf swing trainer system includes a frame formed by one or more frame elements. The frame includes a base member that rests on a ground surface when the golf swing trainer system is assembled and/or in use, a hanger arm projecting at an angled orientation from a first end of the base member and upward from the ground surface, and a target portion projecting from a second end of the base member and upward from the ground surface. The golf swing trainer system further includes a training ball that simulates or is formed from a regulation golf ball. The training ball is attached to a static cord that is attached to and/or restrained at a first location of the frame. The training ball is further attached to a dynamic cord that is attached to and/or restrained at a second location of the frame. As one example, the dynamic cord passes through an eyelet located at or near a distal end of the hanger arm, and the static cord is attached to the frame at or near the target region toward which the golfer drives the training ball. The opposing static and dynamic cords collectively serve to return the training ball to its initial position as a result of the tension applied to the training ball by the dynamic cord after being driven by a user, while the static cord restrains recoil of the training ball beyond the initial position. Claimed subject matter, however, is not limited by this summary as other implementations and examples are disclosed by the following written description and associated drawings.

BRIEF DESCRIPTION OF DRAWINGS

FIG. 1 depicts an example golf swing trainer system according to an embodiment of the disclosure.

FIGS. 2 and 3 depict examples of a hanger arm for a golf swing trainer system having different angles.

FIG. 4 depicts a cross-section view of an example training ball for use with a golf swing trainer system according to an embodiment of the disclosure.

FIGS. 5-9 depict further aspects of an example implementation of the golf swing trainer system of FIG. 1.

DETAILED DESCRIPTION

A golf swing trainer is disclosed for use by a golfer in training a golf swing. As previously discussed in the Summary section and within the Detailed Description, an example golf swing trainer system includes a frame formed by one or more frame elements. The frame may include one or more of a base member that rests on a ground surface when the golf swing trainer system is assembled and/or in use (e.g., supports or otherwise provides a foundation for other frame elements), a hanger arm that projects at an angled orientation from a first end of the base member and upward from the ground surface, and a target portion that projects from a second end of the base member and upward from the ground surface. The golf swing trainer system may further include or may be used in combination with a training ball that simulates or is formed from a regulation golf ball. The training ball may be attached or attachable to a static cord (e.g., a substantially non-stretchable string, line, rope, band, cable, etc.) that is attached to and/or restrained at a first location of the frame. The training ball may further be attached to or attachable to a dynamic cord (e.g., a stretchable string, line, rope, band, cable, etc.) that is attached to and/or restrained at a second location of the frame. As one example, the dynamic cord may pass through an eyelet located at or near a distal end of the hanger arm, and the static cord may be attached to the frame at or near the target region toward which the golfer drives the training ball. The opposing static and dynamic cords collectively serve the function of returning the training ball to its initial position as a result of the tension applied to the training ball by the dynamic cord after being driven by a user, while the static cord restrains recoil of the training ball beyond the initial position.

FIG. 1 depicts an example golf swing trainer system 100 according to an embodiment of the disclosure. Trainer system 100 may be used by a human training subject (i.e., a user) to practice his or her golf swing within an indoor environment or confined space. Trainer system 100 includes or otherwise accommodates a training ball 102 that the user drives or otherwise strikes with a golf club toward a target, such as example target portion 114. Training system 100 is depicted for use by a right-handed golfer. However, it will be understood in light of the disclosed subject matter training system 100 may be reconfigured for use by a left-handed golfer.

Trainer system 100 includes a frame 110 formed from one or more rigid frame elements that collectively define one or more subsystems of trainer system 100. For example, a first subsystem of trainer system 100 includes a hanger arm 112 that projects upward from a floor or ground surface upon which trainer system 100 rests. A second subsystem of trainer system 100 includes a vertical or upright target portion 114 toward which training ball 102 may be driven. A third subsystem of trainer system 100 includes a base member 116 that stabilizes and/or joins hanger arm 112 and target portion 114.

Any suitable quantity and combination of frame elements may be used to form frame 110 and its various subsystems. FIG. 1 depicts an example where frame 110 includes an angled frame element 120 that forms hanger arm 112, frame elements 122 and 124 that collectively form base member 116, and a plurality of straight frame elements 126 and angled frame elements 128 that collectively form target portion 114. As one example, target portion 114 may be formed from four angled frame elements 128 that define individual corners and four straight frame elements 126 that connect the individual corners. It will be understood that different quantities and combinations of frame elements may be used to form frame 110 and its subsystems. Accordingly, it will be understood that the example frame elements depicted herein are non-limiting.

Frame elements forming frame 110 may include hollow tubular members and/or solid members having circular, ovular, or square cross-sections, or other suitable cross-sections. Frame elements may be formed from steel, aluminum, plastic, or other suitable material or combination of materials. Individual frame elements may be joined or otherwise coupled to each other in a manner that enables the frame elements to be disassembled for storage or shipment. For example, individual frame elements may be secured to each other with bolts, screws, clamps, press-fits, or other suitable hardware. Alternatively or additional, some or all of the individual frame elements may be permanently joined (e.g., sufficiently permanent to preclude or deter disassembly of the joined portions) or otherwise coupled to each other, such as by welds, press-fits, or other suitable approach. In at least some implementations, target portion 114 or frame element portions thereof may be omitted. For example, frame 110 may include hanger arm 112, base member 116, and a straight frame element 126 to which base member 116 is attached (to provide lateral stability), while other frame elements or components of target portion 114 may be omitted.

In the context of trainer system 100, training ball 102 may be secured to frame 110 by a first cord 130 and a second cord 132. Cords 130 and 132 may be formed from any suitable material or combination of materials. As one example, cords 130 and/or 132 may be formed from a braided nylon, and may include a nylon sheath.

In at least some implementations of trainer system 100, first cord 130 is less dynamic or elastic than second cord 132. For example, first cord 130 may take the form of a static line, and second cord 132 may take the form of a dynamic line. As another example, first cord 130 and second cord 132 may take the form of dynamic lines in which first cord 130 exhibits lesser displacement (e.g., stretch) along a unit length per unit force as compared to second cord 132. As yet another example, first cord 130 and second cord 132 may take the form of dynamic lines in which first cord 130 exhibits lesser displacement (e.g., stretch) along its entire length per unit force as compared to second cord 132.

First cord 130 and second cord 132, in combination with and/or in opposition to each other, enable training ball 102 to be driven toward target portion 114 such that second cord 132 stretches as the training ball moves away from its initial position and the user; thereafter retracts training ball 102 toward the initial position and the user, and away from target portion 114 as a result of the tension (e.g., spring force) applied to training ball 102 by the stretched second cord 132; and after retracting training ball 102 to the initial position or near the initial position, first cord 130 arrests or otherwise impedes the training ball from being retracted beyond the initial position or substantially beyond the initial position, to thereby avoid striking the user. Hence, second cord 132, as a result of its dynamic property, serves to return the training ball to its initial position, while first cord 130 retrains the recoil of the training ball as a result of its static or less dynamic property.

FIG. 1 depicts an example in which second cord 132 is secured to frame 110 by a hook 142 that interfaces with one of a plurality of receptacles 144 (e.g., of base member 116), and passes through a first eyelet 146 located at or near a distal end of frame element 120 that forms hanger arm 112 and a second eyelet 148 located at or near a bend in hanger arm 112 (e.g., frame element 120 that forms hanger arm 112). An amount of tension applied to training ball 102 by second cord 132 may be adjusted by selecting and engaging a different one of the plurality of receptacles 144 (e.g., with hook 142) to increase or decrease the effective length of second cord 132. For example, the tension may be increased by engaging a receptacle located further from hanger arm 112, and the tension may be reduced by engaging a receptacle located closer to hanger arm 112. By adjusting the tension of cord 132, the initial position of training ball 102 may be adjusted vertically relative to the floor or ground surface and/or within a two-dimensional plane that is parallel to the floor or ground surface depending, for example, on the length and/or orientation of hanger arm 112 and/or first eyelet 146.

While the example of FIG. 1 depicts a hook 142 for securing and/or adjusting second cord 132, it will be understood that other suitable approaches may be used. For example, second cord 132 may include or be attached to a pin, bolt, knot, or other suitable fastener that mates with one or more corresponding receiver elements. Furthermore, while second cord 132 is depicted as being attached or attachable to base member 116, it will be understood that second cord 132 may be attached or attachable at other suitable locations along frame 110, including at, near, or between first eyelet 146 and/or second eyelet 148, or at or near frame elements forming target portion 114. Second cord 132 may be adjustable at other suitable locations, such as at an intermediate location 150 along the length of cord 132 or at an interface between cord 132 and training ball 102. In this example, the ability to adjust the attachment location of second cord 132 to the frame may be omitted or may be provided in addition to the ability to adjust the length of the second cord at an intermediate location along its length or at the interface with the training ball. While FIG. 1 depicts eyelets 146 and 148, it will be understood that one or more of these eyelets may be omitted or may be replaced with a pulley or other suitable surface over which second cord 132 may translate, pass through, or pass over. In some examples, one or more of eyelets 146 and 148 may be omitted or additional eyelets may be used to direct or guide second cord 132 and/or first cord 130. While second cord 132 is depicted in FIG. 1 as having a greater length than first cord 130, it will be understood that second cord 132 may have a shorter length than first cord 130 in other examples. The relative length of these two cords for providing a suitable training environment may depend, at least in part, on the relative dynamic properties of the cords.

Target portion 114 of trainer system 100 may be formed from one or more frame elements to support a net 162 and/or net frame 160 of target portion 114. Net 162 and/or net frame 160 may be secured to frame elements by bungee cords 166 or other suitable strap, cord, band, string, or fastener. Target portion 114 may further support a banner 164 that is located behind or in front of net 162. Banner 164 may include a scene of a golf course or driving range, for example. Trainer system 100 may further include an eyelet 168 or other suitable interface for securing an end of first cord 130. For example, in FIG. 1, first cord 130 may be secured to a frame element via eyelet 168 and a hook 170. However, other suitable forms of attachment for cord 130 may be used, including other suitable fasteners or by wrapping and/or knotting first cord 130 at or around a frame element of target portion 114.

Trainer system 100 may further include a mat 104 and/or a tee (not depicted in FIG. 1) from which training ball 102 may be driven or otherwise struck by a golf club of a user. Mat 104 may include or define one or more receptacles in its surface for receiving a tee. As one example, mat 104 may include synthetic grass to simulate a grass surface commonly encountered on a golf course.

Trainer system 100 which is depicted in assembled form in FIG. 1 may be disassembled by disconnecting or detaching one or more frame elements from each other, and/or by rotating one or more frame elements relative to each other. As one example, base member 116 may be disconnected or detached from target portion 114, or may be rotated relative to each other about a hinged joint. Base member 116 in combination with hanger arm 112 may be rotated so that hanger arm 112 rests horizontally on the floor or ground surface. Target portion 114 may be rotated and lowered so that it rests horizontally on the floor or ground surface. The various components of trainer system 100 may be stored within a relatively narrow horizontal or vertical space when disassembled. For example, trainer system 100 may be sized so that it can be stored underneath a bed when disassembled. However, trainer system 100 may be disassembled into a greater number of individual components, or may be disassembled at other suitable locations. Assembly of trainer system 100 may be achieved by reversing the assembly process. In some implementations, trainer system 100 may be assembled by a user from a kit that includes the various components described herein, an instruction manual describing a method of assembly of the components and/or a method for adjusting a length of the dynamic and/or static cords to achieve a suitable or different initial location for the training ball, and/or tools for assembly.

FIGS. 2 and 3 depict examples of a hanger arm for a golf swing trainer system having different angles. The example hanger arms of FIGS. 2 and 3 may be used as or may form previously described hanger arm 112 in combination with base member 116 of FIG. 1. As one example, FIGS. 2 and 3 depict a view of a hanger arm and base member when viewed from above the trainer system, such as when viewed at an angle that is orthogonal to a plane forming the floor or ground surface upon which the trainer system rests. FIG. 2 depicts an example hanger arm 200 that has a 90 degree bend or right angle relative to the base member. By contrast, FIG. 3 depicts an example hanger arm 300 that has an acute angle relative to the base member. In other examples, a hanger arm may have an obtuse angle relative to the base member when viewed from above the trainer system. Accordingly, it will be understood that the hanger arm may have any suitable orientation that facilitates golf swing training in combination with a training ball that is restrained by two opposing cords.

FIG. 4 depicts a cross-section view of an example training ball 400 for use with a golf swing trainer system according to an embodiment of the disclosure. As one example, training ball 400 may be used as or take the form of previously described training ball 102 of golf swing trainer system 100 of FIG. 1. Training ball 400 is depicted in FIG. 4 as including an exterior shell 410 surrounding an interior core 412. Training ball 400 may simulate or take the form of a regulation golf ball in at least some implementations.

FIG. 4 further depicts example interfaces between a first cord 430 and a second cord 432 that are attached to and/or pass through training ball 400. As one example, first cord 430 may be used as or take the form of previously described first cord 130, and second cord 432 may be used as or take the form of previously described second cord 132 of FIG. 1. As a first example, first cord 430 may interface with second cord 432 on an exterior of training ball 400 on the first cord side of the training ball as indicated schematically at 422. As a second example, first cord 430 may interface with second cord 432 within training ball 400 as indicated schematically at 424, such as within core 412, or at or within the exterior shell 410. As a third example, first cord 430 may interface with second cord 432 on an exterior of training ball 400 on the second cord side of the training ball as indicated schematically at 426.

Example interfaces depicted at 422, 424, and 426 may take the form of a knot between cords, a swage, or other suitable hardware for securing cords to each other and/or to the training ball. As another example, first and second cords may be formed from a single cord having two separate portions that contain materials that have different dynamic properties or when assembled (e.g., braided and/or sheathed) have different dynamic properties. One or more of these example interfaces may be used in combination with each other to secure or otherwise attach first and second cords to the training ball. For example, first cord 430 may be attached to the training ball rather than to second cord 432 at a first interface, such as indicated at 422 or other suitable location, and second cord 432 may be attached to the training ball at a second interface, such as indicated at 426 or other suitable location.

Training ball, first cord 430, and second cord 432 collectively form a training ball system for training a golf swing. In the example of FIG. 4, the first cord is coupled to a first side of the training ball via one or more of the previously described interfaces, and the second cord is coupled to a second side of the training ball via one or more of the previously described interfaces. The terms “coupled” is used in this example to refer to implementations that include both direct attachment of the cord to the ball and indirect attachment of the cord to the ball, such as via a fastener, another cord, or other suitable intermediate structure.

FIGS. 5-9 depict further aspects of an example implementation of the golf swing trainer system of FIG. 1. A non-limiting example of a golf swing trainer system in accordance with the present disclosure is further described herein with reference to the product name ‘My Driving Range’. It will be understood that the examples described herein are non-limiting, and that numerous variations are possible and within the scope of the disclosed subject matter. These examples may be used alone or in combination with any of the various features disclosed herein.

FIG. 5 shows various reference points A-E that are depicted in further detail by FIGS. 6-9. For example, reference point A is depicted in further detail by FIG. 6, and shows how each joint of the frame may fasten together using one nut and one bolt per joint. FIG. 1 further depicts example joints at 180, and example fasteners (e.g., bolts) at 182. At each joint, one piece of the frame may be purged and inserted into the adjacent frame piece. Reference point B is depicted in further detail by FIG. 7, and shows the ball height adjustment hook that is attached to the dynamic cord. The hook may be used to control the height of the ball by being placed in different holes in the frame tube. Reference point C is depicted in further detail in FIG. 8, and shows how and where the static line (e.g., static safety line) may be attached to the base of the target portion or horizontal stabilizing element connected to the base member. The static line may be attached to the ball at one end and to an eyebolt at the other end. The eyebolt may be secured to the frame by use of a nut, for example. Reference point D is depicted in further detail in FIG. 9 shows how the golf ball may be attached to the static and dynamic lines. Reference point E is depicted in further detail in FIG. 7, and shows how the horizontal portion of the frame may be attached to the vertical portion of the frame using a bolt, which threads into a helix washer that is located inside part of the horizontal portion of the tube.

Continuing with this non-limiting example, a vertical portion of the frame structure (e.g., forming target portion 114) may be formed from of 8 pieces of 1.0625″ OD steel tubing, such as, for example, four (4) 25″ angled corner pieces, two (2) 43″ side frame pieces, one (1) 29.5″ base frame piece, one (1) 42″ top frame piece. The four, angled corner pieces exhibit two tapered (purged) ends, each of which slide inside either the side frame pieces or the top and bottom frame pieces as depicted, for example, in FIG. 6. Once the adjacent pieces are connected in such a way, they are secured into place by using eight ¼″ nuts and bolts. The bolts are fed through pre-drilled guide holes in each of the frame pieces and then fixed with a nut. A net is secured to the vertical frame structure for aesthetic and/or functional purposes. When completely constructed, the vertical portion of My Driving Range has a height of 73″ and a width of 62″, for example. However, the golf swing trainer system may have other suitable dimensions.

The horizontal portion of the frame structure (e.g., base member 116 and hanger arm 112 in combination), hereinafter referred to as the ‘arm,’ may be formed of 3 pieces of 1.0625″ OD steel tubing, specifically: one (1) 46″ ball height adjustment arm piece (e.g., as depicted in FIG. 7), one (1) 41″ fixed arm piece, and one (1) 33″ angled ball hanger piece. The ball height adjustment piece connects the arm to the horizontal frame structure and is secured by the use of a ¼″ bolt, which threads into a helix washer located in one end of this piece. The opposite end of the ball height adjustment piece exhibits a taper (purge), slides inside one end of the fixed arm piece and is secured with ¼″ bolt and fastened with a nut. The opposite and of the fixed arm piece then accepts the tapered end of the ball hanger piece and is also fastened with a ¼″ bolt and secured with a nut. When completely constructed, the horizontal ‘arm’ portion of My Driving Range measures 96″ in length. Again, the golf swing trainer system may have other suitable dimensions.

As depicted in FIG. 9, the golf ball (e.g., training ball 102) is secured to both a static line (e.g., first cord 130) and a dynamic line (e.g., second cord 132). FIG. 8 depicts an example of how the static line attaches to an eyebolt located at the bottom of the vertical portion of the frame structure. The static line then threads through a hole drilled through the center of the golf ball, safely securing the ball to the structure. The dynamic line attaches to the end of the static line, travels through two eyebolts on the arm piece, and finally secures to the horizontal frame piece by hooking into any of the ball-height adjustment holes. This setup or configuration effectively allows the ball to hang directly over the synthetic grass mat. The static line measures 83.″ However, the static line may have other suitable dimensions.

A non-limiting example of the function of ‘My Driving Range’ is hereinafter described. In this example, the user stands beside the hanging golf ball as if he or she were lining up for a regular golf shot. The user then executes a ‘full swing’ and strikes the golf ball, moving it from its original position in a forward trajectory. In response to the ball-strike, the dynamic line stretches to capacity and recoils, returning the ball to its original position over the synthetic grass mat. Without needing to move, the user is able to strike the golf ball over and over again to practice his or her swing.

As a non-limiting example, the advantages of the golf swing trainer system may include, without limitation:

(1) The user can safely practice his or her golf swing, both indoors and outdoors, while striking a real/regulation or simulated golf ball.

(2) The golf ball returns to its original position after being struck, without necessarily requiring manipulation by the user or requiring the user to bend over to readjust the ball.

(3) The ball height is completely adjustable for each user's preferences as well as to accommodate different clubs (e.g., including the ability to vary the proximity of the ball relative to the mat, tee, floor, or ground surface).

However, different advantages and/or additional advantages may be obtained by the golf swing trainer system, beyond those described herein.

The disclosed subject matter addresses the difficulty of practicing a golf swing in a location where the result of striking a golf ball would be detrimental to persons or property in the immediate vicinity, such as an urban area or inside a dwelling. The disclosed golf swing trainer system, including the example product referred to as My Driving Range, provides a safe and effective indoor/outdoor golf swing trainer that automatically or without necessarily requires human intervention, returns the golf ball to a position that is adjustable and pre-determined by the user. For example, the golf ball attached to an adjustable length dynamic cord, hangs at the user's predetermined height. The golf ball height is determined by increasing the tension of the dynamic cord to which it is attached, and may be varied by an adjustable hook location or other suitable connection to the frame. When struck, the golf ball travels in a forward trajectory toward the target region, and is returned to its starting position by the dynamic cord to which it is attached. The static cord attached to the golf ball and/or a net located at the target region provide an additional safety measure should the dynamic cord fail or become detached.

It should be understood that the embodiments, implementations, examples, and scenarios described herein are illustrative and not restrictive, since the scope of the invention or inventions is defined by the appended claims, now or later presented, rather than by the description preceding them. All changes that fall within the metes and bounds of the claims, or equivalence of such metes and bounds are therefore intended to be embraced by the claims.

Claims

1. A golf swing trainer system, comprising: a frame including one or more frame elements forming a base member and a hanger arm, the hanger arm projecting outward at an angled orientation from the base member;a training ball that includes or simulates a golf ball;a static cord having a first end attached to and/or restrained at a first location of the frame and a second end attached to the training ball; anda dynamic cord having a first end attached to and/or restrained at a second location of the frame and a second end attached to the training ball.

2. The golf swing trainer system of claim 1, wherein the frame further includes one or more frame elements forming a target portion, the target portion projecting outward from an opposite end of the base member from the hanger arm.

3. The golf swing trainer system of claim 2, wherein the base member supports the hanger arm and the target portion relative to a ground surface, and wherein the hanger arm and the target portion project upward from the ground surface.

4. The golf swing trainer system of claim 2, wherein the target portion of the frame is detachable from the base member or rotatable relative to the base member about a rotatable joint or connection.

5. The golf swing trainer system of claim 2, further including a net or a banner supported by and/or spanning the one or more frame elements of the target portion.

6. The golf swing trainer system of claim 2, wherein the first location to which the first end of the static cord is attached and/or restrained resides at a frame element of the target portion of the frame.

7. The golf swing trainer system of claim 6, wherein the frame includes or defines a plurality of receptacles within the frame, the plurality of receptacles spaced apart from each other, and wherein the second location to which the first end of the dynamic cord is attached and/or restrained to the frame includes a select one of the plurality of receptacles.

8. The golf swing trainer system of claim 7, wherein the plurality of receptacles reside at or along an intermediate portion of the base member of the frame.

9. The golf swing trainer system of claim 1, wherein the hanger arm forms an acute angle relative to the base member.

10. The golf swing trainer system of claim 9, wherein the hanger arm includes a first eyelet located at or near a distal end of the hanger arm, and a second eyelet located at or near the acute angle formed between the hanger arm and the base member; and wherein the dynamic cord passes through the first and second eyelets.

11. The golf swing trainer system of claim 1, wherein the one or more frame elements of the frame are formed from hollow tubes; and wherein base member is formed from at least two detachable frame elements, and wherein the hanger arm is formed from at least one frame element that is detachable from a frame element of the base member.

12. The golf swing trainer of claim 1, wherein the static cord and dynamic cord oppose each other through or at the training ball.

13. The golf swing trainer system of claim 1, wherein the hanger arm forms a right angle or an obtuse angle relative to the base member.

14. A kit for assembling a golf swing trainer system, the kit comprising: a frame including one or more frame elements forming a base member, a hanger arm that when assembled projects outward at an acute angled orientation from a first end of the base member, and a target portion that when assembled projects outward at a right angle from a second end of the base member;a training ball that includes or simulates a golf ball;a static cord having a first end attached or attachable to and/or restrained at a first location of the frame and a second end attached or attachable to the training ball; anda dynamic cord having a first end attached or attachable to and/or restrained at a second location of the frame and a second end attached or attachable to the training ball.

15. The kit of claim 14, further comprising: attachment points on the frame that the first location and the second location, that when the static cord and dynamic cord are attached to and/or restrained at the first and second locations, respectively, oppose each other at the training ball.

16. The kit of claim 14, further comprising: a net or banner attached or attachable to one or more frame elements forming the target region.

17. The kit of claim 14, further comprising, one or more eyelets attached or attachable to the hanger arm through which the dynamic cord is passed.

18. The kit of claim 14, including an instruction manual describing a method for assembling one or more of the frame elements, training ball, static cord, and/or dynamic cord.

19. The kit of claim 18, wherein the instruction manual further describes a method for adjusting a length of the dynamic cord to achieve a different initial location for the training ball.

20. A training ball system for training a golf swing, the training ball system comprising: a training ball that includes or simulates a golf ball;a first cord coupled to a first side of the training ball;a second cord coupled to a second side of the training ball, the second cord being more dynamic than the first cord.