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The present inventive disclosures are generally directed to various improved versions of locking compensated nuts for fretted stringed musical instruments. Many embodiments are especially directed to improved locking compensated nuts that can be more-easily retrofitted into existing guitars and othe

The present inventive disclosures are generally directed to various improved versions of locking compensated nuts for fretted stringed musical instruments. Many embodiments are especially directed to improved locking compensated nuts that can be more-easily retrofitted into existing guitars and other stringed musical instruments without requiring any major reconfigurations or modifications of the base instruments, and some variations are directed to a detachably coupled tuner-mount device that will facilitate enhanced tuning capabilities because of improved vibrational communication between the instrument strings and the tuner. In addition, some improved locking compensated nuts described herein feature interchangeable compensated inserts to allow for easy adaption to alternate string sets.

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1. In combination, an improved intonated string nut with string-locking mechanism for retrofitting a musical string instrument, the improved intonated string nut comprising: a compensation fulcrum for each individual string, wherein: each said compensation fulcrum is disposed on a base of a predeter

1. In combination, an improved intonated string nut with string-locking mechanism for retrofitting a musical string instrument, the improved intonated string nut comprising: a compensation fulcrum for each individual string, wherein: each said compensation fulcrum is disposed on a base of a predetermined size to correspondingly fit into an existing stringed musical instrument's nut-receiving cutout,each said compensation fulcrum is positioned at a varying depth relative to a front face of said combination intonated string nut with string locking mechanism in order to provide the ideal amount of linear compensation for each of said strings,each said compensation fulcrum has a varying linear position in relation to each said individual string in order to optimize the compensation amount for the musical notes produced for each said individual string when each said individual string is caused to vibrate between a bridge fulcrum and said compensation fulcrum,each said compensation fulcrum is disposed on a protruding front shelf above said base, whereby said shelf extends past the associated stringed musical instrument's pre-existing nut-receiving cutout by a predetermined length whereby said improved intonated string nut can be disposed within said stringed musical instrument's pre-existing nut-receiving cutout while still being long-enough to provide effective tuning compensation, andwhereby as a result of said optimum compensation, the musical notes produced will be in tune relative to each other when each said individual string is caused to vibrate between said bridge fulcrum and any one of a plurality of fret fulcrums; anda string locking means, wherein said string locking means provides a rigid linear position securability of each said individual string at each said compensation fulcrum by means of compressing each said individual string between a first rigid surface with a fixed position and a second rigid surface that is height-adjustable and position-lockable. 2. The improved intonated string nut of claim 1, further comprising a string-positioning mechanism for each of said strings. 3. The improved intonated string nut of claim 2, wherein each said string-positioning mechanism comprises: a first v-shaped string guidance channel located at a front face of said improved intonated string nut; anda second v-shaped string guidance channel located at a rear face of said improved intonated string nut. 4. The improved intonated string nut of claim 3, wherein said first v-shaped string guidance channel and said second v-shaped string guidance channel are separated by a distance. 5. The improved intonated string nut of claim 4, wherein said first rigid surface with a fixed position is located between said first v-shaped string guidance channel and said second v-shaped string guidance channel. 6. The improved intonated string nut of claim 1, wherein said second rigid surface is a bottom surface of a height-adjustable and position-securable rigid plate-like means. 7. The improved intonated string nut of claim 6, wherein the height-adjustable and position-securable rigid plate-like means includes a through hole. 8. The improved intonated string nut of claim 6, wherein said height-adjustable and position-securable rigid plate-like means slip-fits between said first v-shaped string guidance channel and said second v-shaped guidance channel, and above said first rigid surface. 9. The improved intonated string nut of claim 6, wherein the height-adjustable and position-securable rigid plate-like means provides position securability for one or more of said strings. 10. The improved intonated string nut of claim 1, wherein said base of said improved intonated string nut includes one or more thread holes for attachment to a stringed musical instrument. 11. The improved intonated string nut of claim 10, wherein said base of said improved intonated string nut includes one or more thread holes for said position-height adjustability and securability, which are achieved by means of a threaded fastener used in combination with said through hole, one of said one or more thread holes, and a torquing tool. 12. The improved intonated string nut of claim 1, wherein: said base of said improved intonated string nut is adapted to receive a modular, interchangeable insert;said modular, interchangeable insert comprises said protruding front shelf and each said compensation fulcrum; anddifferent compensation schema and/or different string-nut radius schema supported by a given modular, interchangeable insert can be selected and installed by a user for a user's instrument/string set. 13. The improved intonated string nut of claim 12, further comprising a string-positioning mechanism for each of said strings. 14. The improved intonated string nut of claim 13, wherein each said string-positioning mechanism comprises: a first v-shaped string guidance channel located at a front face of said modular, interchangeable insert; anda second v-shaped string guidance channel disposed at the rear face of said base. 15. The improved intonated string nut of claim 14, wherein said first v-shaped string guidance channel and said second v-shaped string guidance channel are separated by a distance when said modular, interchangeable insert is installed onto said base. 16. The improved intonated string nut of claim 15, wherein said first rigid surface with a fixed position is located on said modular, interchangeable insert and between said first v-shaped string guidance channel and said second v-shaped string guidance channel. 17. The improved intonated string nut with string-locking mechanism of claim 12, wherein said second rigid surface is a bottom surface of a height-adjustable and position-securable rigid plate-like means. 18. The improved intonated string nut of claim 17, wherein the height-adjustable and position-securable rigid plate-like means includes a through hole. 19. The improved intonated string nut of claim 17, wherein said height-adjustable and position-securable rigid plate-like means slip-fits between said first v-shaped string guidance channel and said second v-shaped guidance channel, and above said first rigid surface. 20. The improved intonated string nut of claim 17, wherein the height-adjustable and position-securable rigid plate-like means provides position securability for one or more of said strings. 21. The improved intonated string nut of claim 12, wherein said base of said improved intonated string nut includes one or more thread holes for attachment to a stringed musical instrument. 22. The improved intonated string nut of claim 21, wherein both said base and said modular, interchangeable insert of said improved intonated string nut include one or more thread holes for said position-height adjustability and securability, which are achieved by means of a threaded fastener used in combination with said through hole, one of said one or more thread holes, and a torquing tool. 23. The improved intonated string nut of claim 11 or 22, further comprising a means to mount a tuner for attachment to a stringed musical instrument for enhanced vibrational communication with said intonated string nut and any position-locked strings, said tuner-mount means comprising: a tuner-mount bar having one or more cutouts adapted to slidably, snuggly, and detachably engage with the upper shafts of one or more dual-flange fasteners; andone or more dual-flange fasteners that are used as said threaded fasteners for said position-height adjustability and securability of said improved intonated string nut, wherein: each said at least one dual-flange fastener has a gap between the fastener head and the second fastener flange, andsaid gap is sized to detachably couple with a tuner-mount bar via interference fit that is snug-enough to ensure that at least one side of said tuner-mount bar is in direct, metal-to-metal contact with said at least one dual-flange fastener. 24. The improved intonated string nut of claim 23, wherein said tuner-mount bar is adapted to allow a user-supplied tuner to be mounted via one or more threaded fasteners. 25. The improved intonated string nut of claim 23, wherein said tuner-mount bar is adapted to allow a user-supplied tuner to be mounted via a clamping device. 26. The improved intonated string nut of claim 23, wherein said tuner-mount bar is substantially comprised of a material selected from the group consisting of hardened steel and titanium. 27. The improved intonated string nut of claim 23, wherein said one or more dual-flange fasteners are substantially comprised of a material selected from the group consisting of hardened steel and titanium. 28. The improved intonated string nut of claim 23, wherein each of said one or more dual-flange fasteners are equipped with one or more metal conical washers or spring washers to help create a snug, detachable coupling between the upper shafts of said dual-flange fasteners and said tuner-mount bar. 29. The improved intonated string nut of claim 23, wherein each of said one or more dual-flange fasteners are equipped with an elastic gasket member to help create a snug, detachable coupling between the upper shafts of said dual-flange fasteners and said tuner-mount bar. 30. An improved locking string nut for a musical string instrument, the string-locking mechanism for said improved locking string nut employing a height-adjustable and position-securable rigid plate-like means to provide position securability for one or more of the strings of a musical string instrument and said rigid plate-like means designed to be secured in place by one or more threaded fasteners, the improved locking string nut for a musical string instrument comprising: one or more dual-flange fasteners that are used as said threaded fasteners for said position-height adjustability and securability of said improved intonated string nut, wherein: each said at least one dual-flange fastener has a gap between the fastener head and the second fastener flange, andsaid gap is sized to detachably couple with a tuner-mount bar via interference fit that is snug-enough to ensure that at least one side of a tuner-mount bar is in direct, metal-to-metal contact with said at least one dual-flange fastener; anda tuner-mount bar for attachment of a stringed musical instrument tuner for enhanced vibrational communication with said intonated string nut and any position-locked strings, wherein said tuner-mount bar has one or more cutouts adapted to slidably, snuggly, and detachably engage with the upper shafts of said one or more dual-flange fasteners. 31. The improved locking string nut of claim 30, wherein said tuner-mount bar is adapted to allow a user-supplied tuner to be mounted via one or more threaded fasteners. 32. The improved locking string nut of claim 30, wherein said tuner-mount bar is adapted to allow a user-supplied tuner to be mounted via a clamping device. 33. The improved locking string nut of claim 30, wherein said tuner-mount bar is substantially comprised of a material selected from the group consisting of hardened steel and titanium. 34. The improved locking string nut of claim 30, wherein said one or more dual-flange fasteners are substantially comprised of a material selected from the group consisting of hardened steel and titanium. 35. The improved locking string nut of claim 30, wherein each of said one or more dual-flange fasteners are equipped with one or more metal conical washers or spring washers to help create a snug, detachable coupling between the upper shafts of said dual-flange fasteners and said tuner-mount bar. 36. The improved locking string nut of claim 30, wherein each of said one or more dual-flange fasteners are equipped with an elastic gasket member to help create a snug, detachable coupling between the upper shafts of said dual-flange fasteners and said tuner-mount bar. 37. A kit for installing a tuner-mount means for a locking string nut for a musical string instrument, the string-locking mechanism for said improved locking string nut employing a height-adjustable and position-securable rigid plate-like means to provide position securability for one or more of the strings of a musical string instrument and said rigid plate-like means designed to be secured in place by one or more threaded fasteners, the tuner-mount kit for comprising: a tuner-mount bar for attachment of a stringed musical instrument tuner for enhanced vibrational communication with a string nut and any position-locked strings; andone or more dual-flange fasteners that are sized and can be used as the threaded fasteners for the position-height adjustability and securability of a string nut, wherein: each said at least one dual-flange fastener has a gap between the fastener head and the second fastener flange,said gap is sized to detachably couple with said tuner-mount bar via interference fit that is snug-enough to ensure that at least one side of a tuner-mount bar is in direct, metal-to-metal contact with said at least one dual-flange fastener, andsaid tuner-mount bar has one or more cutouts adapted to slidably, snuggly, and detachably engage with the upper shafts of said one or more dual-flange fasteners. 38. The kit of claim 37, wherein said tuner-mount bar is adapted to allow a user-supplied tuner to be mounted via one or more threaded fasteners. 39. The kit of claim 38, wherein said tuner-mount bar is adapted to allow a user-supplied tuner to be mounted via a clamping device. 40. The kit of claim 37, wherein said tuner-mount bar is substantially comprised of a material selected from the group consisting of hardened steel and titanium. 41. The kit of claim 37, wherein said one or more dual-flange fasteners are substantially comprised of a material selected from the group consisting of hardened steel and titanium. 42. The kit of claim 37, wherein each of said one or more dual-flange fasteners are equipped with one or more metal conical washers or spring washers to help create a snug, detachable coupling between the upper shafts of said dual-flange fasteners and said tuner-mount bar. 43. The kit of claim 37, wherein each of said one or more dual-flange fasteners are equipped with an elastic gasket member to help create a snug, detachable coupling between the upper shafts of said dual-flange fasteners and said tuner-mount bar.