for the sake of brevity , the golf training device embodiments shown in co - pending application ser . no . 12 / 378 , 136 will not be set forth herein . however , the teachings necessary for an understanding of the present invention is incorporated herein by reference . the present invention provides a slimmer and simpler design than the device disclosed in the &# 39 ; 136 application , the specific details to be set forth hereinafter . in particular , the present invention provides : post and center body components fit between the thumb and index finger of the dominant hand and every other finger has contact with the grip when the grip is held in the normal way . in effect , there is no interference between hand and club . better feel and direct feedback . attaching the device to the golf club is easier and simple ; with the cylindrical rip reduced in size , the device will be prevented from sliding on to the grip or wiggle to fitting at the position . positioner adjustments enables the device to be used by golfers having small hands ; more grip sizes are acceptable a single lock wraps around the grip . wide center body with an inner cavity that strengthens the center body to prevent bending ; cylindrical portions of inner body covers approximately ⅓ of diameter of the grip ; ribs placed at end of cylindrical portion which accept different size grips with even pressure ; single wrap around lock is placed approximately 1 ″ from tip of front end of the center body , which allow a secure hold and prevents the device from tipping forward and minimizing the possibility that the rear end lifts up ; adjustable spacer is placed in middle of wrap around lock ; accept different size grips . placing spacer at the center of the lock and two ribs on each end of cylindrical rip provides symmetrical pressure to the grip for better balance . two protrusions on back side of handle of the spacer and six dimples and two large dimples on wall of the wrap around the lock allows the spacer to be moved to one of six positions . the spacer is pushed and snapped onto the wrap around lock . by pushing the lock upwards ; when the guide column of the wrap around lock and guide channel of the lock holder meet , the lock snapping onto the lock holder of the main body in the correct position . unlocking the wrap around lock is accomplished by pushing the handle of the wrap around lock in the outward direction . the positioner used in the present invention is identical to the one disclosed in the &# 39 ; 136 application . a disc is added to the positioner for better hand support . the disc has a concave channel at its center to allow fitting onto the spherical shaped positioner , enabling the disc to rotate to different angles . fig1 is a perspective view of the device 10 of the present invention , fig2 ( a ) is an assembly view of device 10 and fig2 ( b ) shows a perspective view of a portion of lock 22 . device 10 comprises main elongated main inner body 12 having an inner cavity 14 ( fig4 ) to prevent bending and to minimize the overall weight of device 10 . a cylindrical portion 16 of inner body 12 is sized to cover approximately ⅓ of the diameter of the golf club grip 18 ( grip is illustrated in fig9 ). ribs 20 are positioned at the end of portion 16 , the ribs engaging the outside diameter of grip 18 when lock 22 is in the locking position . the single wrap around lock 22 is placed approximately 1 inch from the front end 24 of center body 12 which provides a secure hold on the golf grip 18 . an adjustable spacer 26 is placed in the middle of lock 22 and allows device 10 to accept different diameter grips . the spacer 26 , lock 22 and ribs 20 on each end of the cylindrical portion 16 provides symmetrical pressure on the grip which , in turn , provides a balanced hold for the device 10 on the grip 18 . two protrusions 30 on the back side of spacer handle 32 ( fig3 ) and five regular dimples 34 , a half - dimple 35 , and two large dimples 36 on the outer wall of lock 22 enables spacer 26 to rotate to one of five fixed positions and then held in place as the large dimples engage a selected position . the handle 32 of space 36 is not symmetrical and has protrusion 30 and 31 on each side . by turning handle 32 the protrusion 30 will engage with dimples 1 through 5 and the protrusion 31 will be free of friction by inside of either dimple 36 . this makes it easier to turn handle 32 , position to position . when handle 32 is rotated such that protrusion 31 is at the top in the open area , and will engage with dimple 35 . spacer 26 snap fits between bulges 39 and 41 and the bulges will securely hold the spacer in position . cap member 27 guides spacer 26 to be at the selected position and prevents back and forth movement . a channel 29 is an open hole that prevents spacer 26 from rubbing against wrap around lock 22 . fig4 a is a front view of spacer 26 , the arrows pointing to six different bulge sizes for adjusting the space between the device 10 and grip 18 . spacer 26 is a separate component . lock 22 is fitted into the inner body 12 and secured thereto within pin 48 ( having head 49 ) pushed through the co - diagonal openings formed in eyelet portions 44 and 46 . referring to fig2 ( b ), pushing lock 22 upwards causes guide column 50 to contact channel 52 , the lock 22 snapping onto lock holder 56 in the correct position . the lock 22 is unlocked by pushing handle 58 outwardly . an alternate way of securing lock 22 to inner body 12 and eliminating the necessity of requiring pin 48 is shown in fig8 a and 8 b . in particular , a rod 80 is molded onto lock 22 . eyelet portions 44 and 46 are designed so that one portion has an opening that allows rod 80 to squeeze through and snap fit onto eyelet , or mounting sections , 44 and 46 thereby securing lock 22 to inner body 12 . the rear portion of inner body 12 is indicated by reference numeral 15 , and the distance between tip 24 and the middle of lock 22 is approximately one inch . when locking device 22 is in the locked position , rear end 15 is prevented from lifting up because of the aforementioned offset . device 10 is secured on the grip with symmetrical pressure applied by three contact points formed by ribs 20 and one of the bulges , or protrusions , on spacer 26 when the lock 22 is in the “ on ” grip lock position . this arrangement prevents device 10 from moving vertically or horizontally ( fig9 illustrates the three contact points ). positioner 60 is identical to the one shown in the aforementioned &# 39 ; 136 application and for the sake of brevity , the description thereof will not be set forth herein . however , the teachings of the &# 39 ; 136 application necessary for the understanding of the present invention is incorporated herein by reference . fig3 is a top view of the components that comprise device 10 . fig4 is a front view of device 10 with the components disassembled and shows inner cavity 14 . fig5 ( a ) shows assembled disc 62 and figures ( b ) and fig5 ( c ) illustrate how disc 62 is fabricated . disc 62 is added to the positioner 60 to provide support for the golfer &# 39 ; s hand . disc 62 has a concave channel 64 at its center to enable it to snap fit onto the spherical shaped positioner , enabling disc 62 to be positioned at different angles for the comfort of the golfer . disc 62 comprises two separate parts 66 and 68 that snap together after an adhesive is applied to the parts in order to form a permanent bond resulting in the disc shown in fig5 ( c ). when assembled together , a concave channel 64 is formed in the middle of the assembled parts . the assembled disc has the shape of a horseshoe with an opening 70 . by pushing disc 62 ( opening 70 ) against post 72 of positioner 60 causes the disc 62 to snap onto post 72 . pushing disc 62 upward against positioned 60 causes disc 62 to snap onto post 72 . to remove disc 62 , a user snaps the disc downward from positioned 60 and then snaps the disc 62 outward from post 72 . fig6 is a top view showing a golfer gripping device 10 and fig7 is a side view showing a golfer gripping device 10 . fig9 illustrates when lock 22 is operative ( lock in the on position ) and three contact points formed by ribs 20 and handle 32 providing symmetrical balance pressure to securely hold grip 18 in place . note that main body 12 does not contact grip 18 in the area indicated by reference numeral 86 . the contact points provide the same balance for different sized grip diameters . while the invention has been described with reference to its preferred embodiments , it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the true spirit and scope of the invention . in addition , many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from its essential teachings .
a training device for use with a golf club , an elongated member enabling the device to be mounted on the grip of a golf club , the member having an inner cavity shaped to the matching surface of the grip surface . a positioner member is engaged with a post which is substantially perpendicular to the top surface of the elongated member , the height of the locking member being adjustable to accommodate the hand size of the golfer . a disc member is attached to the positioner member , the golfer &# 39 ; s hand being positioned between the elongated member and the disc member . an adjustable wrap around lock is positioned at the end of the elongated member spaced from the post and is adjustable such that the training device can fit onto various sized grips and to be secured thereto .