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Title:
BODY-SWING GOLFING MACHINE AND METHODS
Document Type and Number:
WIPO Patent Application WO/2017/081551
Kind Code:
A1
Abstract:
The invention consists of a machine that simulates the body-driven golf swing and a set of methods which emanate from the principle, attributes and motion of the machine. The machine and methods together form a comprehensive golf simulation system to teach a golfer to perform the body-driven golf swing in order to strike a golf ball with power, precision and consistency. The machine consists of upper cylinder (2), the lower cylinder (3) and longer rod (4), shorter rod (5) that causes a hinged chuck (9) to rotate on an inclined-plane surface perpendicular to the axis of rotation. The motion of the machine is driven by a reactive power element that simulates a resistance based body-driven swing. The set of methods enable a golfer to emulate the motion of the machine and create alignments and torque by exploiting anatomical angles and structure.

Inventors:
BAHIRWANI, Pradeep (RBB 808, Purva Riviera ApartmentsVarthur Road, Marathahalli, Bangalore 7, 560037, IN)
Application Number:
IB2016/051830
Publication Date:
May 18, 2017
Filing Date:
March 31, 2016
Export Citation:
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Assignee:
BAHIRWANI, Pradeep (RBB 808, Purva Riviera ApartmentsVarthur Road, Marathahalli, Bangalore 7, 560037, IN)
International Classes:
A63B69/36
Foreign References:
US20050159234A12005-07-21
US6569030B12003-05-27
US20100279784A12010-11-04
US4996867A1991-03-05
Attorney, Agent or Firm:
KALIA, Anita et al. (#213, Sobha Aquamarine,Sarjapur Outer Ring Road, Bellandur, Bangalore - Karnataka 3, 560103, IN)
Download PDF:
Claims:
[0056] Claims

I claim:

1. A body- swing golfing machine, the machine comprising:

a. a cylindrical shaft (1) with an axis of rotation around its longitudinal axis of symmetry;

b. an upper cylinder (2) and a lower cylinder (3) concentric with said cylindrical shaft (1);

c. at least two rods of unequal length, a longer rod (4) wherein said rod is connected at one extremity to upper end (6) of said upper cylinder (2), a shorter rod (5), wherein said rod is connected at one extremity to lower end (7) of said upper cylinder (2) such that said shorter rod (5) is diametrically opposite to the joint of the longer rod (4) to said upper cylinder (2) wherein:

a. said shorter rod (5) has a longitudinal plane perpendicular to the said axis of rotation;

b. said longer rod (4) and shorter rod (5) are fused together at the other extremities;

d. a hinge (8) connected by one flap to said fused extremities of said longer rod (4) and shorter rod (5);

e. said hinge (8) has a pin (27) parallel to said axis of rotation; and f. a chuck (9) connected to other flap of said hinge (8) for clamping a golf club.

2. The machine as claimed in claim 1, wherein

a. said upper cylinder (2) and lower cylinder (3) are replaced by a rigid truss structure with a plurality of members;

b. said truss has same axis of rotation as that of said cylindrical shaft; c. said longer rod (4) is connected to upper end of said truss structure; and,

d. said shorter rod (5) is connected to diagonally opposite and lower end of said truss structure.

3. The machine as claimed in claim 1, wherein said machine further comprises: a. a substantially two dimensional surface perpendicular to the said axis of rotation;

b. the upper cylinder (2) concentric with said cylindrical shaft (1) and said lower cylinder (3);

c. an elastic band (11) coupled at one end with the said middle cylinder (2) and at the other end to a rigid support (12);

d. an inclined plane arrangement for adjusting the tilt of the said two- dimensional surface;

e. a chassis (14) for mounting the said inclined plane arrangement;

f. said chassis (14) having a plurality of individually adjustable legs; g. said inclined plane arrangement mounted on said chassis (14) by at least one continuous hinge (15) on one side and at least one adjustable support arm on the opposite side;

h. a ball holder (18) for ball placement and adjustment wherein said ball holder (18) is mounted at the bottom of the said chassis (14) by at least one guide arm (19).

The machine as claimed in claim 3, wherein:

a. said elastic band (11) is removable and interchangeable with a torsion spring ;.

The machine as claimed in claim 3, wherein:

a. said chassis (14) has a plurality of wheels; and

b. said plurality of legs can be withdrawn into said chassis (14) to provide ground clearance during transportation.

The machine as claimed in claim 1, further which performs a backswing operation of clockwise 135 degrees rotation from position of rest and a forward swing operation of counterclockwise 180 degrees rotation from the position reached at the end of the backswing operation.

The machine as claimed in claim 1, wherein parts of the body- swing golfing machine are related to corresponding parts of a right-handed golfer' s anatomy to perform said motions, wherein,

the upper cylinder (2) and the lower cylinder (3) represent the torso and hips respectively, the longer rod (4) represents the left arm and the shorter rod (5) represents the right forearm of the golfer, the upper end (6) of the longer rod (4) represents the left shoulder socket, the lower end (7) of the shorter rod (5) represent the right elbow, the hinge (8) represents the left wrist of the golfer and the chuck (9) represents the joined hands of the golfer on the grip of the club.

8. The machine as claimed in claim 6, wherein said machine is configured to perform a backswing operation, wherein the configuration includes a substantially two-dimensional backswing guide template plotted with an alignment line parallel to the baseline of said backswing guide template and a second alignment line perpendicular to the baseline of said backswing guide template;

said backswing guide template further plotted with at least one circular arc; and

said backswing guide template further plotted with a radial line demarcated at clockwise 135 degrees from said alignment line perpendicular to the baseline of the said backswing guide template, wherein

said backswing template is further equipped with a plurality of self-adhering and repositionable markers.

9. The machine as claimed in claim 8, wherein said backswing guide template is attachable and removable from a horizontal plane surface supported by a plurality of individually adjustable legs and said backswing guide template is attachable and removable from an inclined plane surface with a variable tilt mechanism..

10. The machine as claimed in claim 6, wherein said machine is further configured to perform a forward swing operation wherein the configuration includes a substantially two-dimensional forward swing guide template plotted with an alignment line parallel to the baseline of the said forward swing guide template and an another alignment line perpendicular to the baseline of the said forward swing guide template;

said forward swing guide template further plotted with at least one circular arc; and

said forward swing guide template further plotted with radial lines demarcated at clockwise 22.5, 67.5 and 112.5 degrees and at counter-clockwise 22.5 and 67.5 degrees as measured from the said alignment line perpendicular to the baseline of said forward swing guide template; and said forward swing template is further equipped with a plurality of self- adhering and repositionable markers.

11. The machine as claimed in claim 8, wherein said forward swing guide template is attachable and removable from a horizontal plane surface supported by a plurality of individually adjustable legs and said forward swing guide template is attachable and removable from an inclined plane surface with a variable tilt mechanism.

12. A method to instruct a golfer to emulate the backswing operation of a body- swing golfing machine, the method comprising the steps of:

a. plotting the position of the golfer's hands aligned with an alignment line perpendicular to a baseline on a backswing template using a self- adhering and repositionable marker;

b. plotting the position of the golfer's hands on the said backswing template using said self-adhering and repositionable marker after two consecutive steps of 45 degree clockwise rotation relative to said alignment line perpendicular to said baseline of said backswing guide template; and

13. A method to perform said backswing operation using the set of instruction, the method comprising the steps of:

a. rotating the shoulders 90 degrees in clockwise direction in two consecutive steps of 45 degrees each relative to said alignment line perpendicular to said baseline of said backswing guide template.

14. A method to instruct a golfer to emulate the forward swing operation of a body-swing golfing machine, the method comprising the steps of:

a. plotting the positions of the golfer's hands on a forward swing template using said self-adhering and repositionable markers after four consecutive steps of counter clockwise 45 degree rotation starting from said radial line demarcated at 112.5 degrees clockwise from said alignment line perpendicular to said baseline of said forward swing guide template.

15. A method to perform said forward swing operation using the set of instruction, the method comprising the steps of:

a. rotating the torso from the hips upwards in counter-clockwise direction at 180 degrees in four steps of 45 degrees each relative to said alignment line perpendicular to baseline of said forward swing guide template.

Description:
TITLE OF THE INVENTION

Body-Swing Golfing Machine and Methods

[001] Technical field of the invention

[002] The present invention relates to the field of sporting action known as the golf swing. The invention consists of a machine that simulates the body-driven golf swing and a set of methods which emanate from the principle, attributes and operation of the machine. The present invention is designed to make the human body emulate the motion of the machine. The machine and set of methods together form a comprehensive golf simulation system to teach golfers to perform the body-driven golf swing in order to strike a golf ball with power, precision and consistency.

[003] Background of the invention

[004] The golf swing is a combination of two components namely the up-and- down motion of the arms and the rotary motion of the body. The arms include the hands and shoulders and the body includes the shoulders, hips, knees and feet. The shoulders provide the linkage between the motions of the arms and body. In an arms-driven golf swing, it is the up-and-down motion of the arms that acts as the prime mover of the swing. In the body-driven golf swing, it is the rotary motion of the body that acts as the prime mover of the swing. The arms -driven swing is a natural and intuitive motion to perform since it employs either a hitting or throwing action that is common in popular sports such as tennis and baseball. But the body-driven swing is a counter-intuitive and non-obvious motion that needs to be consciously learnt and internalized.

[005] There are some known golf swing machines which simulate the arms- driven golf swing. Some examples are United States Patent No. 8418536 dated 16 April 2013 disclosed by Miyamae, United States Patent No. 5908979 dated 1 st June 1999 disclosed by Miyamae, United States Patent No. 3855842 dated 24 th December 1974 disclosed by Imabori, et al. and United States Patent No. 3444729 dated 20 th May 1969 disclosed by Shobert. These golf swing machines consist of a two-arm system where the first arm simulates the movement of the golfer's leading arm and a second arm that is mounted and hinged on the first arm and simulates the movement of the golfer's wrists. The most widely-known of these golf swing machines is Iron Byron, an electro-mechanical device based on the swing action of the famous golfer Byron Nelson. Till 1998, Iron Byron was used by the United States Golf Association to test golf clubs and golf balls for conformity to standards. Variants of Iron Byron are also used by individual manufacturers such as True-Temper and Wilson Sports.

[006] The arms-driven golf swing when performed by a golfer is prone to errors because it depends on the golfer's ability to aim and time the thrust of the arms and hands towards the ball. This is because the arms and hands have multiple degrees of freedom of movement in three-dimensional space. The multiple degrees of freedom of the arms and hands is an advantage in sports such as tennis, cricket and baseball where the ball to be struck is in motion and there is a need for improvisation. But these multiple degrees of freedom of arms and hands can become a liability in golf because the ball is stationary and the strike demands a higher degree of precision and penalizes improvisation.

[007] While golf swing machines that simulate the arms -driven swing have been briefly referenced above, the applicant is not aware of any golf swing machine that simulates the body-driven swing. The reason why simulation of the body- driven golf swing is not obvious is because the human body can be made to assume a machine-like configuration only after the start of the backswing and to retain it for only a portion of the forward swing.

[008] Hence, looking at the problems in the prior art, there is a need of a body- swing golfing machine and method to perform the body-driven golf swing. The machine and method help the golfer to emulate the motion of the machine with precise geometrical alignments by exploiting natural anatomical angles and to further apply maximum torque by leveraging big muscles of the human anatomy.

[009] Summary of the invention:

[0010] The present invention overcomes the drawbacks in the prior art and provides body-swing golfing machine and methods. The present invention comprises of two components. The first component is a body- swing golfing machine that simulates the body-driven swing. The second component is a set of methods that emanate from the principle, attributes and motion of the body-swing golfing machine.

[0011] The object of the invention is to provide a comprehensive golf simulation system that consists of demonstration of the principle, attributes and motion of the machine and a set of methods that helps the golfer emulate the machine within a specific range of its motion and thereby perform the body-driven golf swing.

[0012] A further object of the invention is to provide a physical model that forms the basis of a digital implementation suitable for computer-aided simulation, analysis and optimization of the body-driven golf swing using known principles of physics and biomechanics. This is directed towards creating a continuously evolving body of knowledge around the golf tutorial system based on the body- swing golfing machine.

[0013] The essential aspect of the machine is the rotation of two cylinders and two rods around a central cylindrical shaft. The two rods are of unequal length. The inner ends of each of the rods are connected to the upper cylinder at diametrically upper and lower ends. The rods are fused together at their outer ends and connected to a hinge which is in turn connected to a chuck. The chuck and the shorter rod rotate above a two-dimensional surface. The motion of the machine is driven by a reactive power element connected to the lower cylinder. The two dimensional surface is variably tilted by means of an inclined plane arrangement. In the most preferred embodiment, the machine is mounted on a rigid chassis.

[0014] The essential aspect of the set of methods is rotary motion and the application of torque with precise geometrical alignments created by exploiting anatomical angles and structure. The set of methods enable a golfer to emulate the motion of the machine within a specific range.

[0015] Hence, the machine and methods together form a comprehensive golf simulation system to teach golfers how to perform the body-driven golf swing in order to strike a golf ball with greater power, precision and consistency than an arms-driven swing. The set of methods enable a golfer to emulate the motion of the machine with precise geometrical alignments by exploiting natural anatomical angles and to further apply maximum torque by leveraging big muscles of the human anatomy.

[0016] Brief description of the drawings:

[0017] The foregoing and other features of embodiments will become more apparent from the following detailed description of embodiments when read in conjunction with the accompanying drawings. In the drawings, like reference numerals refer to like elements.

[0018] Figure 1 shows the profile view of the basic aspect of the machine, in accordance with an embodiment of the invention. [0019] Figure 2 shows the perspective view of the machine with the two- dimensional inclined plane surface, in accordance with an embodiment of the invention.

[0020] Figure 3 shows the perspective view of the machine with the two- dimensional inclined plane surface and chassis, in accordance with an embodiment of the invention.

[0021] Figure 4 shows the perspective view of the machine with the stepped cylinder replaced by a truss structure, in accordance with an embodiment of the invention.

[0022] Figure 5 shows the backswing template mounted on the machine, in accordance with an embodiment of the invention.

[0023] Figure 6 shows the forward swing template mounted on the machine, in accordance with an embodiment of the invention.

[0024] Figure 7 shows the correlation between the machine's components and the golfer's anatomy, in accordance with an embodiment of the invention. [0025] Figure 8 shows the correlation between the inclined planes of the machine and the method, in accordance with an embodiment of the invention. [0026] Figure 9 shows the correlation between the machine's hinge component and the golfer's hands, in accordance with an embodiment of the invention.

[0027] Figure 10 shows the backswing template, in accordance with an embodiment of the invention. [0028] Figure 11 shows the backswing template mounted on the horizontal plane, in accordance with an embodiment of the invention.

[0029] Figure 12 shows the backswing template mounted on the inclined plane, in accordance with an embodiment of the invention.

[0030] Figure 13 shows the forward swing template, in accordance with an embodiment of the invention.

[0031] Figure 14 shows the forward swing template mounted on the horizontal plane, in accordance with an embodiment of the invention.

[0032] Figure 15 shows the forward swing template mounted on the inclined plane, in accordance with an embodiment of the invention. [0033] Figure 16 shows the golfer using the backswing template mounted on the inclined plane, in accordance with an embodiment of the invention.

[0034] Figure 17 shows the golfer using the forward swing template mounted on the inclined plane, in accordance with an embodiment of the invention.

[0035] Figure 18 illustrates the instruction of the backswing operation method, in accordance with an embodiment of the invention.

[0036] Figure 19 illustrates the instruction of the forward swing operation method, in accordance with an embodiment of the invention.

[0037] Detailed description of the invention:

[0038] Reference will now be made in detail to the description of the present subject matter, one or more examples of which are shown in figures. Each embodiment is provided to explain the subject matter and not a limitation. These embodiments are described in sufficient detail to enable a person skilled in the art to practice the invention, and it is to be understood that other embodiments may be utilized and that logical, physical, and other changes may be made within the scope of the embodiments. The following detailed description is, therefore, not be taken as limiting the scope of the invention, but instead the invention is to be defined by the appended claims.

[0039] The present invention comprises of a machine that simulates the body- driven golf swing and a set of methods which emanate from the principle, attributes and operation of the machine. The machine and methods together form a comprehensive golf simulation system to teach golfers how to perform the body- driven golf swing in order to strike a golf ball with greater power, precision and consistency than an arms-driven swing. The machine consists of concentric cylinders and rods that cause a hinged chuck to rotate on an inclined-plane surface perpendicular to the axis of rotation. The motion of the machine is driven by a reactive power element. The set of methods enable a golfer to emulate the motion of the machine with precise geometrical alignments by exploiting natural anatomical angles and to further apply maximum torque by leveraging big muscles of the human anatomy.

[0040] Figure 1 shows the profile view of the basic aspect of the machine, in accordance with an embodiment of the invention. The first component of the invention is the machine as illustrated in Figure 1, Figure 2 and Figure 3. The present invention comprises upper cylinder (2), lower cylinder (3), at least two rods of unequal length, i.e. a longer rod (4) and shorter rod (5). The upper cylinder (2) and lower cylinder (3) are longitudinally concentric with a cylindrical shaft (1) that serves as a common axis of rotation of the machine. The longer rod (4) has a length greater than that of shorter rod (5). The inner extremity of the longer rod (4) and the inner extremity of the shorter rod (5) are connected to the upper cylinder (2) at the diametrically opposite upper end (6) and lower end (7) respectively. The rods are fused together at their outer extremities and connected to one flap of a spring-loaded hinge (8). The pin of the hinge (8) is parallel to the axis of rotation. The other flap of the hinge (8) is connected to a chuck (9). The action of the hinge (8) is to close by 90 degrees and stay in closed position until a threshold level of angular acceleration causes it to open. The chuck (9) and the shorter rod (4) move in a circular motion on a plane parallel to and above a two- dimensional surface (10) which is always perpendicular to the central axis of rotation. The lower cylinder (3) is below the two-dimensional surface (10) and connected to one end of an elastic band (11). The other end of the elastic band (11) is wound around a rigid support (12) parallel to the central axis of rotation. The two-dimensional surface (10) can be tilted to a desired angle through an inclined plane arrangement mounted on a rigid chassis (14) by means of a continuous hinge (15) and adjustable support arms (16). The chassis is placed on the ground and is supported by legs (17) which are individually adjustable to ensure correct alignment. An adjustable ball holder (18) mounted on the chassis (14) enables the placement of the ball and adjustment of ball position depending on the tilt of the two-dimensional surface (10) and the length of the golf club. The position of the ball holder (18) is adjusted in two dimensions on a horizontal plane parallel to the ground through a system of guide arms (19) mounted under the chassis (14). An alternative embodiment is derived by simply substituting the elastic band (11) with a torsion spring.

[0041] Figure 2 shows the perspective view of the machine with the two- dimensional inclined plane surface, in accordance with an embodiment of the invention. [0042] Figure 3 shows the perspective view of the machine with the two- dimensional inclined plane surface and chassis, in accordance with an embodiment of the invention. A removable stopper pin (13) is installed on top of the two dimensional surface (10) and directly in the path of the shorter rod (5) to limit its forward rotation to 180 degrees. The motion of the machine is commenced by clamping a golf club to the chuck (9). The hinge (8) is closed by moving the golf club back while holding back the shorter rod (5). The chuck (9) is then manually rotated in the clockwise direction by an angle of 135 degrees. This is the backswing operation of the machine. All rotary components of the machine including the upper cylinder (2), lower cylinder (3), longer rod (4), shorter rod (5) and the chuck (9) rotate as one integrated unit around the central axis of rotation (1) during the backswing operation. The elastic band (11) is stretched during this backswing operation. The elastic band (11) snaps back when the chuck (9) is released and rotates the entire assembly in the counter clockwise direction till the rotation of the shorter rod (5) is stopped after 180 degrees by the stopper pin (13). This causes the hinge (8) to open and causes the golf club to be accelerated forward in a whiplash kind of motion. This is the forward swing operation of the machine. All rotary components of the machine including the upper cylinder (2), lower cylinder (3), longer rod (4), shorter rod (5) and the chuck (9) rotate as one integrated unit around the central axis of rotation (1) during the forward swing operation. A ball placed in the fixed path of the golf club during the forward swing operation will be impacted in the same manner time after time because the machine has only one degree of freedom, i.e., its circular movement around the central axis of rotation. Variation in impact alignments is obtained by changing the clubface orientation of the golf club in the chuck (9) and the position of the ball holder (18). This is used to obtain different ball flight shapes such as draws, fades, hooks and slices. It is also used to obtain high and low trajectories. [0043] The use of two cylinders is desirable to demonstrate the machine because it makes it easier to co-relate the upper cylinder (2) and lower cylinder (3) to the torso and hips respectively of the golfer.

[0044] Figure 4 shows the perspective view of the machine with the stepped cylinder replaced by a truss structure, in accordance with an embodiment of the invention. An alternate embodiment is illustrated in Figure 4 where the upper cylinder (2) is replaced by a rigid truss structure but the essence of the machine remains unchanged. The truss structure has four members (20, 21, 22 and 23) but rotates as a single cylindrical volume of rotation around the cylindrical shaft (1). The longer rod (4) is connected at its inner extremity to the joint o joint of mem joint (24) of member (20) and member (22). The shorter rod (5) is connected at its inner extremity to the joint (25) of member (21) and member (23). The joints (24) and (25) are located at diagonally opposite corners of the truss structure.

[0045] The physical material best suited to implement an indoor demonstration- and-training, low-stress and scaled-down embodiment is machine steel. The words 'scaled down' mean an embodiment of proportion suitable to propel a scaled-down golf club. Accordingly the upper cylinder (2) and the lower cylinder (3) are made preferably of machine steel. The longer rod (4), shorter rod (5), the hinge (8) and the chuck (9) are also made preferably of machine steel. The two- dimensional inclined plane surface (10) is made preferably of sheet metal plate. The stopper pin (13) and the rigid support (12) are made of machine steel. The chassis (14) is made of sheet metal and is mounted on steel legs (17) with suction pads for stability. The continuous hinge (15) is made of steel and the adjustable support arms (16) are hydraulic cylinders. The ball holder (18) and guide arms (19) are likewise made of steel. The elastic band (11) is replaced with a torsion spring. This embodiment is used for indoor demonstration and instruction. A similar but smaller embodiment is used as an educational golf toy. [0046] The second component of the invention is a set of methods which emanate from the principle and attributes of the body-swing golfing machine and are designed to make the golfer's body emulate the motion of the machine within a specific range. These methods relate to two components of the body-driven golf swing that are executed in sequence and herein classified as the backswing and forward swing.

[0047] The instructions contained within the set of two methods are first explained to the golfer by co-relating components of the body-swing golfing machine to parts of the golfer's anatomy as illustrated in Figure 7. The cylindrical shaft (1) represents the golfer's spine and the upper cylinder (2) represents the torso while the lower cylinder (3) represents the hips. The longer rod (4) represents the left arm and the shorter rod (5) represents the right forearm of the golfer. The inner end (6) of the longer rod (4) represents the left shoulder socket. The inner end (7) of the shorter rod (5) represents the right elbow. The hinge (8) represents the left wrist of the golfer and the chuck (9) represents the joined hands of the golfer on the grip of the club. The two-dimensional surface (10) is a proxy representation of the swing plane created by the rotary motion of the right forearm. A further co-relation between the two-dimensional plane (10) of the machine and the swing plane created by the rotary motion of the golfer's right forearm is illustrated in Figure 8. A further co-relation between the hinge (8) component of the machine and the golfer's wrists is illustrated in Figure 9. The door-frame flap (26) of the hinge (8) represents the joined forearms of the golfer. The door-wing flap (28) represents the joined hands of the golfer. The hinge pin (27) represents the wrists of the golfer. The door-frame flap (26) and the door- wing flap (28) of the hinge (8) are not visible in other figures because they are completely enclosed within the shorter rod (5) and the chuck (9) respectively. Hence, only the hinge pin (27) is externally visible in these figures and is used to wholly represent the hinge (8) in these figures.

[0048] The instructions related to the backswing operation make use of a backswing guide template as illustrated in Figure 10. The backswing guide template is pre-printed with dashed concentric circular arcs (30) and one dashed radial line (31). It further has two solid alignment lines (32 and 33) that end in arrowheads. The solid alignment line (32) runs parallel to the baseline (29) of the backswing guide template. The solid alignment line (33) runs perpendicular to the baseline (29) of the backswing guide template. The radial line (31) is demarcated at clockwise 135 degrees as measured from the solid alignment line (33). The backswing guide template is further equipped with four self-adhering and repositionable point markers of which the first (34) is always positioned at the arrowhead tip of the solid alignment line (33) and the others (35, 36 and 37) are used to plot the three key positions of the golfer's hands during the backswing operation. A reproduction of the backswing template is mounted on a horizontal plane (38) which is supported by four adjustable legs (39) as illustrated in Figure 11. Another reproduction of the backswing template is mounted on an inclined plane (40) which is supported on a horizontal floor board (41) by a continuous hinge (4142 and support arms (43) as illustrated in Figure 12. Yet another reproduction of the backswing template is trimmed to fit the two dimensional surface (10) of the machine and mounted on it as illustrated in Figure 5. [0049] The instructions related to the forward swing operation make use of a forward swing guide template as illustrated in Figure 13. The forward swing guide template is pre-printed with dashed concentric circular arcs (45) and five dashed radial lines (46). It further has two solid alignment lines (47 and 48) that end in arrowheads. The solid alignment line (47) runs parallel to the baseline (44) of the forward swing guide template. The solid alignment line (48) runs perpendicular to the baseline (44) of the forward swing guide template. The radial lines (46) are demarcated at clockwise 22.5, 67.5 and 112.5 and counter clockwise 22.5 and 67.5 degrees as measured from the solid alignment line (48). The forward swing guide template is further equipped with six self-adhering and repositionable point markers of which the first (49) is always positioned at the arrowhead tip of the solid alignment line (48) and the others (50, 51, 52, 53 and 54) are used to plot the five key positions of the golfer's hands during the forward swing operation. A reproduction of the forward swing template is mounted on a horizontal plane (38) which is supported by four adjustable legs (39) as illustrated in Figure 14. Another reproduction of the forward swing template is mounted on an inclined plane (40) which is supported on a floor board (41) by a continuous hinge (42) and support arms (43) as illustrated in Figure 15. Yet another reproduction of the forward swing template is trimmed to fit the two dimensional surface (10) of the machine and mounted on it as illustrated in Figure 6.

[0050] The instructions for the backswing method and the forward swing method each consists of two parts. In the first part a demonstration of the corresponding operation of the machine is made with the inclined plane (10) in a retracted position and next the same operation is repeated with the inclined plane (10) in an elevated position. In the second part the golfer is guided to emulate in controlled slow-motion the corresponding operation on the horizontal plane (38) and next made to repeat the same operation on the inclined plane (40). For the sake of simplicity the illustrations that accompany the following description of the methods are drawn from the perspective of the horizontal plane (38). These illustrations are valid for and equally apply to the perspective of the inclined plane (40) because the resultant motions are identical in both cases except for the fact that they occur first on the horizontal plane (38) and next on the inclined plane (40). An illustration of the golfer executing the backswing operation using the backswing guide template mounted on the inclined plane (40) is shown in Figure 16. An illustration of the golfer executing the forward swing operation using the forward swing guide template mounted on the inclined plane (40) is shown in Figure 17. [0051] The method of performing the backswing as derived from the attributes of the body- swing golfing machine by the correlation in Figure 7 between components of the machine and the golfer's anatomy is illustrated in Figure 18 and described here forth. Figure 18 is drawn from the perspective of the golfer and the arcs and lines and points inscribed therein are actually located on the backswing guide template mounted on the horizontal plane (38). The feet are positioned below the horizontal plane (38) and are therefore illustrated with hatched lines. The left foot is flared out by a quarter of a turn. The instruction as illustrated in Figure 18 deals with a backswing that has clockwise 90 degrees of shoulder rotation relative to the solid alignment line (33). The instruction of the backswing method is executed by an initial shoulder rotation of clockwise 45 degrees followed by a further shoulder rotation of clockwise 45 degrees during which the hips also turn concurrently and coil by 45 degrees. The three key positions of the golfer's hands in the backswing operation are the positions at address, at 45 degrees of shoulder rotation and at 90 degrees of shoulder rotation. These are plotted using the self-adhering and repositionable point markers (35, 36 and 37). [0052] The method of performing the forward swing as derived from the attributes of the body- swing golfing machine by the correlation in Figure 7 between components of the machine and the golfer's anatomy is illustrated in Figure 19 and described here forth. Figure 19 is drawn from the perspective of the golfer and the arcs, lines and points inscribed therein are actually located on the forward swing guide template mounted on the horizontal plane (38). The feet are positioned below this horizontal plane (38) and are therefore illustrated with hatched lines. The left foot is flared out by a quarter of a turn .The instruction as illustrated in Figure 19 deals with a forward swing that has counter-clockwise 180 degrees of torso rotation relative to the solid alignment line (48) which is shifted by clockwise 22.5 degrees relative to the solid alignment line (34) of the backswing operation. The instruction of the forward swing method is executed by rotating the torso from the hips upwards through counter-clockwise 180 degrees in four stages of 45 degrees each. The five key positions of the golfer's hands in the forward swing operation are the positions at the start of the forward swing followed by the four positions after every stage of 45-degree rotation. These are plotted using the self-adhering and repositionable point markers (52, 51, 50, 53 and 54). During an actual real-time execution, the body-driven golf swing is a kinematic sequence in which the joints of the left foot, the left knee, the left hip and the left shoulder stack up progressively with each stage of 45-degree rotation. This kinematic sequence proceeds automatically like a chain reaction once it is correctly triggered by the rotation of the hips.

[0053] The set of methods described above use the natural limits of anatomical angles of the golfer to create alignments. This is the Geometry principle of the body-driven golf swing. The set of methods described above also use the anatomical relationships between progressive weight transfer and rotational angles of the torso to create force. This is the Physics principle of the body-driven golf swing. The values used for the anatomical angles and rotational angles are the average values found in human anatomy. However individual differences in these values will not affect the execution of the body-driven golf swing provided the individual's limit of each anatomical angle and rotational angle is reached. These angles are created naturally and need not be actually measured while executing the body-driven golf swing during an actual round of play on the golf course. [0054] The machine and the set of methods, as described above, apply to a right- handed golfer but any expert in the field would have enough information to make the changes necessary to apply to the left-handed golfer. This description of the machine and methods is not extended further in the understanding that any expert in the field would have enough information to understand the scope of the machine and methods and the advantages thereof as well as to be able to reproduce them. The golf tutorial system based on the body- swing golfing machine includes the machine and methods but is not limited by them as it is intended to be part of a larger and evolving body of knowledge around the body- driven golf swing. The terms used in this description and its sense are therefore to be taken in a non-limiting manner.

[0055] It is to be understood, however, that even though several characteristics and advantages of the present invention have been set forth in the foregoing description, together with details of the structure and function of the invention, the disclosure is illustrative only. Changes may be made in the details, especially in matters of shape, size, and arrangement of parts within the principles of the invention to the full extent indicated by the broad general meaning of the terms in which the appended claims are expressed.