IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0142311
(2010-03-24)
|
등록번호 |
US-8162074
(2012-04-24)
|
국제출원번호 |
PCT/US2010/028505
(2010-03-24)
|
§371/§102 date |
20110627
(20110627)
|
국제공개번호 |
WO2011/119153
(2011-09-29)
|
발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
Leyendecker & Lemire, LLC
|
인용정보 |
피인용 횟수 :
5 인용 특허 :
15 |
초록
▼
An ergonomically enhanced electric power tool is disclosed that incorporates a new type of user grip and control system. This grip and control system is housed in a substantially rigid control-housing sheath, which provides enhanced leverage and control over the drilling process while reducing stres
An ergonomically enhanced electric power tool is disclosed that incorporates a new type of user grip and control system. This grip and control system is housed in a substantially rigid control-housing sheath, which provides enhanced leverage and control over the drilling process while reducing stress on the user's hand, wrist, and arm. The tool motor is disposed substantially in parallel with the user's wrist, but on a different plane, and eliminates the traditional “pistol” type of power-tool grip. The control-housing sheath contains a grip-controller assembly that allows the user to control most major drill operations within the gauntlet-like control-housing sheath. The inventive concepts described can be applied to myriad hand-held power tools, and a detailed example for a power drill is provided.
대표청구항
▼
1. An ergonomic hand-held power tool; said power tool being electrically powered; said power tool having an electric motor; said power tool having an electric power supply; said power tool having control circuitry to control power tool operations, including energizing and de-energizing said power to
1. An ergonomic hand-held power tool; said power tool being electrically powered; said power tool having an electric motor; said power tool having an electric power supply; said power tool having control circuitry to control power tool operations, including energizing and de-energizing said power tool; said power tool comprising: a substantially rigid control-housing sheath defining an inner volume to house user controls and having an outer surface for the mounting of said power-tool motor, wherein said control-housing sheath has a closed upper region and has a lower region,wherein said closed upper region of said control-housing sheath defines the top of said control-housing sheath and said lower region of said control-housing sheath defines the bottom of said control-housing sheath, andwherein said control-housing sheath is adapted to receive a user's hand and wrist in said inner volume;a grip-controller assembly mechanically coupled to said control-housing sheath within said inner volume for a user's hand to grip, wherein said grip-controller assembly is adapted to be electrically coupled with said power-tool motor and contains portions of said control circuitry to facilitate user control over said power-tool energizing operations, andwherein said grip-controller assembly is oriented such that when a user's hand is engaged with said grip-controller assembly, the top of a user's gripping hand is oriented toward said top of said control-housing sheath,a device adapted to mechanically and electrically receive and couple to said power-tool motor, which is adapted to mate with said mechanical and electrical coupling device, wherein said device that is adapted to mechanically and electrically receive and couple to a power-tool motor is disposed at the top of said control-housing sheath; anda sheath-to-user-arm-securing device that adapts said control-housing sheath to be able to substantially secure the wrist and/or lower forearm of a user to the control end of said control-housing sheath, wherein when a user's hand and wrist are engaged with said control-housing sheath, including said grip-controller assembly, the axis of the user's hand and wrist is on a different, yet substantially parallel axis as that of said mounted power-tool motor with the user's engaged hand and wrist substantially located directly below said coupled power-tool motor;whereby a user can exert directional force of said power tool using said control-housing sheath with said grip-controller assembly. 2. The hand-held power tool of claim 1, wherein said mechanical and electrical coupling of said power-tool motor on said control-housing sheath employs a detachable and re-attachable coupling device to facilitate convenient user selection and use of power-tool motors of different power ratings and/or types. 3. The hand-held power tool of claim 1, wherein said mechanical coupling of said power-tool motor on said control-housing sheath employs at least one fastener of a type selected from the list consisting of continuous and discrete. 4. The hand-held power tool of claim 1, wherein said grip-controller assembly has controls to allow a user's gripping hand to control power-tool energization. 5. The hand-held power tool of claim 1, wherein: said mechanical coupling of said grip-controller assembly is readily detachable, re-attachable, and reversible in position such that said grip-controller assembly can be used by either a right-handed or left-handed user, andsaid electric coupling of said grip-controller assembly remains enabled even when the physical position has been reversed to accommodate either a right-handed user or a left-handed user. 6. The hand-held power tool of claim 5, wherein said grip-controller assembly mechanical coupling employs at least one fastener of a type selected from the list consisting of continuous and discrete. 7. The hand-held power tool of claim 5, wherein said grip-controller assembly mechanical coupling further comprises at least one spring-loaded, interlocking latch on each end of said grip-controller assembly, wherein each said interlocking latch is adapted to mate with an associated receiver slot within said lateral internal sides of said control-housing sheath in order to facilitate a secure mechanical coupling of said grip-controller assembly. 8. The hand-held power tool of claim 1, further comprising a stabilizer handle coupled to an outside lateral surface of said control-housing sheath, wherein said stabilizer handle is disposed on the side of said control-housing sheath to allow a user to hold said stabilizer handle with the opposite hand of that which is used to grip said grip-controller assembly. 9. The hand-held power tool of claim 8, wherein said stabilizer handle can be readily coupled to either the right or left side of said control-housing sheath, as a user requires. 10. The hand-held power tool of claim 8, wherein said stabilizer handle includes a grip at the distal end relative to said control-housing sheath such that a user's free hand can grip said stabilizer handle in a manner that puts that hand substantially orthogonal in orientation as compared to the hand gripping said grip-controller assembly within said control-housing sheath. 11. The hand-held power tool of claim 1, wherein said sheath-to-user-arm-securing device comprises a set of securing straps secured that can be tightened by a user by a means selected from the group consisting of a hook-and-loop mating configuration, a buckle-and-strap configuration, and a ratchet strap with a quick-release device. 12. The hand-held power tool of claim 1, wherein said electric power supply is a rechargeable battery that is coupled with said power-tool motor. 13. The hand-held power tool of claim 1, wherein said control-housing sheath further comprises internal padding for user comfort and to ensure a snug and stable fit on a user's hand and wrist. 14. The hand-held power tool of claim 1, wherein said control-housing sheath further comprises at least one power-tool-work-area illumination lamp disposed at said operating end of said control-housing sheath and/or on said power-tool motor. 15. The hand-held power tool of claim 14, wherein said at least one power-tool-work-area illumination lamp is automatically energized whenever said power tool is energized. 16. The hand-held power tool of claim 14, wherein said at least one power-tool-work-area illumination lamp is energized only when a user manually operates a control switch disposed on said control-housing sheath that causes electrical current to flow through said lamp. 17. The hand-held power tool of claim 1, wherein said control-housing sheath further comprises at least one holder for at least one power-tool accessory. 18. The hand-held power tool of claim 17, wherein said holder for at least one power-tool accessory holds at least one power-tool accessory selected from the group consisting of a drill bit, screw-driver bit, saw blade, and socket-head bit. 19. The hand-held power tool of claim 1, wherein said hand-held power tool is a power drill. 20. The hand-held power tool of claim 1, wherein said hand-held power tool is a power screwdriver. 21. The hand-held power tool of claim 1, wherein said hand-held power tool is a power reciprocating saw. 22. The hand-held power tool of claim 1, wherein said hand-held power tool is a power wrench. 23. A method of making an ergonomic hand-held power tool; said power tool being electrically powered; said power tool having an electric motor; said power tool having an electric power supply; said power tool having control circuitry to control power tool operations, including energizing and de-energizing said power tool; the method comprising the steps of: providing a substantially rigid control-housing sheath defining an inner volume to house user controls and having an outer surface for the mounting of said power-tool motor, wherein said control-housing sheath has a closed upper region and has a lower region,wherein said closed upper region of said control-housing sheath defines the top of said control-housing sheath and said lower region of said control-housing sheath defines the bottom of said control-housing sheath, andwherein said control-housing sheath is adapted to receive a user's hand and wrist in said inner volume;providing a grip-controller assembly mechanically coupled to said control-housing sheath within said inner volume for a user's hand to grip, wherein said grip-controller assembly is adapted to be electrically coupled with said power-tool motor and contains portions of said control circuitry to facilitate user control over said power-tool energizing operations, andwherein said grip-controller assembly is oriented such that when a user's hand is engaged with said grip-controller assembly, the top of a user's gripping hand is oriented toward said top of said control-housing sheath,providing a device adapted to mechanically and electrically receive and couple to said power-tool motor, which is adapted to mate with said mechanical and electrical coupling device, wherein said device that is adapted to mechanically and electrically receive and couple to a power-tool motor is disposed at the top of said control-housing sheath; andproviding a sheath-to-user-arm-securing device that adapts said control-housing sheath to be able to substantially secure the wrist and/or lower forearm of a user to the control end of said control-housing sheath, wherein when a user's hand and wrist are engaged with said control-housing sheath, including said grip-controller assembly, the axis of the user's hand and wrist is on a different, yet substantially parallel axis as that of said mounted power-tool motor with the user's engaged hand and wrist substantially located directly below said coupled power-tool motor;whereby a user can exert directional force of said power tool using said control-housing sheath with said grip-controller assembly. 24. The method of claim 23, wherein said mechanical and electrical coupling of said power-tool motor on said control-housing sheath employs a detachable and re-attachable coupling device to facilitate convenient user selection and use of power-tool motors of different power ratings and/or types. 25. The method of claim 23, wherein said mechanical coupling of said power-tool motor on said control-housing sheath employs at least one fastener of a type selected from the list consisting of continuous and discrete. 26. The method of claim 23, further comprising the step of providing controls on said grip-controller assembly in order to allow a user's gripping hand to control power-tool energization. 27. The method of claim 23, wherein: said mechanical coupling of said grip-controller assembly is readily detachable, re-attachable, and reversible in position such that said grip-controller assembly can be used by either a right-handed or left-handed user, andsaid electric coupling of said grip-controller assembly remains enabled even when the physical position has been reversed to accommodate either a right-handed user or a left-handed user. 28. The method of claim 27, wherein said grip-controller assembly mechanical coupling employs at least one fastener of a type selected from the list consisting of continuous and discrete. 29. The method of claim 27, wherein said grip-controller assembly mechanical coupling further comprises at least one spring-loaded, interlocking latch on each end of said grip-controller assembly, wherein each said interlocking latch is adapted to mate with an associated receiver slot within said lateral internal sides of said control-housing sheath in order to facilitate a secure mechanical coupling of said grip-controller assembly. 30. The method of claim 23, further comprising the step of providing a stabilizer handle coupled to an outside lateral surface of said control-housing sheath, wherein said stabilizer handle is disposed on the side of said control-housing sheath to allow a user to hold said stabilizer handle with the opposite hand of that which is used to grip said grip-controller assembly. 31. The method of claim 30, wherein said stabilizer handle can be readily coupled to either the right or left side of said control-housing sheath, as a user requires. 32. The method of claim 30, wherein said stabilizer handle includes a grip at the distal end relative to said control-housing sheath such that a user's free hand can grip said stabilizer handle in a manner that puts that hand substantially orthogonal in orientation as compared to the hand gripping said grip-controller assembly within said control-housing sheath. 33. The method of claim 23, wherein said sheath-to-user-arm-securing device comprises a set of securing straps secured that can be tightened by a user by a means selected from the group consisting of a hook-and-loop mating configuration, a buckle-and-strap configuration, and a ratchet strap with a quick-release device. 34. The method of claim 23, wherein said electric power supply is a rechargeable battery that is coupled with said power-tool motor. 35. The method of claim 23, further comprising the step of providing internal padding in said control-housing sheath for user comfort and to ensure a snug and stable fit on a user's hand and wrist. 36. The method of claim 23, further comprising the step of providing at least one power-tool-work-area illumination lamp disposed at said operating end of said control-housing sheath and/or on said power-tool motor. 37. The method of claim 36, wherein said at least one power-tool-work-area illumination lamp is automatically energized whenever said power tool is energized. 38. The method of claim 36, wherein said at least one power-tool-work-area illumination lamp is energized only when a user manually operates a control switch disposed on said control-housing sheath that causes electrical current to flow through said lamp. 39. The method of claim 23, further comprising the step of providing at least one holder for at least one power-tool accessory disposed on the outside of said control-housing sheath. 40. The method of claim 39, further comprising the step of providing for said holder for at least one power-tool accessory at least one power-tool accessory selected from the group consisting of a drill bit, screw-driver bit, saw blade, and socket-head bit. 41. The method of claim 23, wherein said hand-held power tool is a power drill. 42. The method of claim 23, wherein said hand-held power tool is a power screwdriver. 43. The method of claim 23, wherein said hand-held power tool is a power reciprocating saw. 44. The method of claim 23, wherein said hand-held power tool is a power wrench. 45. A method of using a hand-held power tool; said power tool being electrically powered; said power tool having an electric motor; said power tool having an electric power supply; said power tool having control circuitry to control power tool operations, including energizing and de-energizing said power tool; said power tool comprising: a substantially rigid control-housing sheath defining an inner volume to house user controls and having an outer surface for the mounting of said power-tool motor, wherein said control-housing sheath has a closed upper region and has a lower region,wherein said closed upper region of said control-housing sheath defines the top of said control-housing sheath and said lower region of said control-housing sheath defines the bottom of said control-housing sheath, andwherein said control-housing sheath is adapted to receive a user's hand and wrist in said inner volume;a grip-controller assembly mechanically coupled to said control-housing sheath within said inner volume for a user's hand to grip, wherein said grip-controller assembly is adapted to be electrically coupled with said power-tool motor and contains portions of said control circuitry to facilitate user control over said power-tool energizing operations, andwherein said grip-controller assembly is oriented such that when a user's hand is engaged with said grip-controller assembly, the top of a user's gripping hand is oriented toward said top of said control-housing sheath,a device adapted to mechanically and electrically receive and couple to said power-tool motor, which is adapted to mate with said mechanical and electrical coupling device,wherein said device that is adapted to mechanically and electrically receive and couple to a power-tool motor is disposed at the top of said control-housing sheath; anda sheath-to-user-arm-securing device that adapts said control-housing sheath to be able to substantially secure the wrist and/or lower forearm of a user to the control end of said control-housing sheath, wherein when a user's hand and wrist are engaged with said control-housing sheath, including said grip-controller assembly, the axis of the user's hand and wrist is on a different, yet substantially parallel axis as that of said mounted power-tool motor with the user's engaged hand and wrist substantially located directly below said coupled power-tool motor;whereby a user can exert directional force of said power tool using said control-housing sheath with said grip-controller assembly;the method comprising the steps of:inserting a user's hand into said control-housing sheath;securing said user's wrist/lower forearm, which is attached to said inserted user hand, to the proximal end of said control-housing sheath with said sheath-to-user-arm-securing device;gripping the grip-controller assembly in said control-housing sheath;operating said control circuitry in said grip-controller assembly to energize said power-tool motor; andapplying the operating power tool to a user-selected point with force from said user's arm. 46. The method of claim 45, wherein said mechanical and electrical coupling of said power-tool motor on said control-housing sheath employs a detachable and re-attachable coupling device to facilitate convenient user selection and use of power-tool motors of different power ratings and/or types, the method further comprising the step of: before the step of inserting the user's hand into said control-housing sheath, selecting and attaching a power-tool motor to said top of said control-housing sheath. 47. The method of claim 45, wherein said mechanical coupling of said power-tool motor on said control-housing sheath employs at least one fastener of a type selected from the list consisting of continuous and discrete. 48. The method of claim 45, wherein said grip-controller assembly has controls on said grip-controller assembly in order to allow a user's gripping hand to control power-tool energization, the method further comprising the steps of: before the step of energizing said power-tool motor, and if said power tool is equipped to operate in multiple rotational directions, operating said control circuitry to select the direction of operation for said power tool, andafter the step of powering on said power-tool motor, and if said power tool is equipped to be operated at different speeds, adjusting power-tool speed to user-desired level. 49. The method of claim 45, wherein: said coupling of said grip-controller assembly is readily detachable, re-attachable, and reversible in position such that said grip-controller assembly can be used by either a right-handed or left-handed user, andsaid electric coupling of said grip-controller assembly remains enabled even when the physical position has been reversed to accommodate either a right-handed user or a left-handed user;the method further comprising the steps of:before the step of inserting the user's hand into said control-housing sheath, determining whether said control-housing sheath needs to be oriented for a left-handed or right-handed user; andas necessary, decoupling and removing said grip-controller assembly, then reinstalling said grip-controller assembly in the desired orientation within said control-housing sheath. 50. The method of claim 49, wherein said grip-controller assembly mechanical coupling employs at least one fastener of a type selected from the list consisting of continuous and discrete. 51. The method of claim 49, wherein said grip-controller assembly mechanical coupling further comprises at least one spring-loaded, interlocking latch on each end of said grip-controller assembly, wherein each said interlocking latch is adapted to mate with an associated receiver slot within said lateral internal sides of said control-housing sheath in order to facilitate a secure mechanical coupling of said grip-controller assembly. 52. The method of claim 45, wherein said control-housing sheath further comprises a stabilizer handle coupled to an outside lateral surface of said control-housing sheath, and wherein said stabilizer handle is disposed on the side of said control-housing sheath to allow a user to hold said stabilizer handle with the opposite hand of that which is used to grip said grip-controller assembly;the method further comprising the step of gripping said stabilizer handle with the user's hand not already gripping said grip-controller assembly. 53. The method of claim 52, wherein said stabilizer handle can be readily coupled to either the right or left side of said control-housing sheath, as a user requires, the method further comprising the steps of: before the step of inserting the user's hand into said control-housing sheath, determining whether said stabilizer handle needs to be oriented for a left-handed or right-handed user; andas necessary, decoupling and removing said stabilizer handle, then reinstalling said stabilizer handle in the desired orientation on said control-housing sheath. 54. The method of claim 52, wherein said stabilizer handle includes a grip at the distal end relative to said control-housing sheath such that the user's free hand can grip said stabilizer handle in a manner that puts that hand substantially orthogonal in orientation as compared to the hand gripping said grip-controller assembly within said control-housing sheath. 55. The method of claim 45, wherein said sheath-to-user-arm-securing device comprises a set of securing straps secured and tightened by said user by a means selected from the group consisting of a hook-and-mat mating configuration, a buckle-and-strap configuration, and a ratchet strap with a quick-release device. 56. The method of claim 45, wherein said electric power supply is a rechargeable battery that is coupled with said power-tool motor, the method further comprising the steps of: before the step of inserting the user's hand into said control-housing sheath, determining whether said rechargeable battery is sufficiently charged; andas necessary, either removing, recharging, and reinstalling said rechargeable battery, or replacing said rechargeable battery with a second sufficiently charged rechargeable battery. 57. The method of claim 45, wherein said control-housing sheath further comprises internal padding for user comfort and to ensure a snug and stable fit on the user's hand and wrist. 58. The method of claim 45, wherein said control-housing sheath further comprises a power-tool-work-area illumination lamp array disposed at said operating end of said control-housing sheath and/or on said power-tool motor. 59. The method of claim 58, wherein said power-tool-work-area illumination lamp array is automatically energized whenever said power tool is energized. 60. The method of claim 58, wherein said power-tool-work-area illumination lamp array is energized only when said user manually operates a control switch disposed on said control-housing sheath that causes electrical current to flow through said lamp array, the method further comprising the step of: as necessary, turning on said power-tool-work-area lamp array. 61. The method of claim 45, wherein: said control-housing sheath further comprises at least one holder for at least one power-tool accessory, andsaid holder acts as a convenient receiver for at least one spare power-tool accessory selected from the group consisting of a drill bit, screw-driver bit, saw blade, and socket-head bit;the method further comprising the steps of:storing at least one spare power-tool accessory in said at least one holder; andas necessary, replacing using said at least one power-tool accessory with said power tool. 62. The method of claim 45, wherein said hand-held power tool is a power drill. 63. The method of claim 45, wherein said hand-held power tool is a power screwdriver. 64. The method of claim 45, wherein said hand-held power tool is a power reciprocating saw. 65. The method of claim 45, wherein said hand-held power tool is a power wrench. 66. An ergonomic hand-held receiver-controller for a power tool, said power tool having electrical power; the hand-held receiver-controller comprising: a substantially rigid control-housing sheath defining an inner volume to house user controls and having an outer surface for the mounting of said power-tool, wherein said control-housing sheath has a closed upper region and has a lower region,wherein said closed upper region of said control-housing sheath defines the top of said control-housing sheath and said lower region of said control-housing sheath defines the bottom of said control-housing sheath, andwherein said control-housing sheath is adapted to receive a user's hand and wrist in said inner volume;a grip-controller assembly mechanically coupled to said control-housing sheath within said inner volume for a user's hand to grip, wherein said grip-controller assembly is adapted to be electrically coupled with a power-tool motor and contains portions of said control circuitry to facilitate user control over said power-tool energizing operations, andwherein said grip-controller assembly is oriented such that when a user's hand is engaged with said grip-controller assembly, the top of a user's gripping hand is oriented toward said top of said control-housing sheath,a device adapted to mechanically and electrically receive and couple to a power-tool motor adapted to mate with said mechanical and electrical coupling device, wherein said device that is adapted to mechanically and electrically receive and couple to a power-tool motor is disposed at the top of said control-housing sheath; anda sheath-to-user-arm-securing device that adapts said control-housing sheath to be able to substantially secure the wrist and/or lower forearm of a user to the control end of said control-housing sheath, wherein when a user's hand and wrist are engaged with said control-housing sheath, including said grip-controller assembly, the axis of the user's hand and wrist is on a different, yet substantially parallel axis as that of a mounted power-tool motor;whereby a user can exert directional force of a coupled power tool using said control-housing sheath with said grip-controller assembly. 67. The hand-held receiver-controller for a power tool of claim 66, wherein said mechanical and electrical coupling for receiving a power-tool motor on said control-housing sheath employs a detachable and re-attachable coupling device to facilitate convenient user selection and use of power-tool motors of different power ratings and/or types. 68. The hand-held receiver-controller for a power tool of claim 66, wherein said mechanical coupling for receiving a power-tool motor on said control-housing sheath employs at least one fastener of a type selected from the list consisting of continuous and discrete. 69. The hand-held receiver-controller for a power tool of claim 66, wherein: said mechanical coupling of said grip-controller assembly is readily detachable, re-attachable, and reversible in position such that said grip-controller assembly can be used by either a right-handed or left-handed user, andsaid electric coupling of said grip-controller assembly remains enabled even when the physical position has been reversed to accommodate either a right-handed user or a left-handed user. 70. The hand-held receiver-controller for a power tool of claim 69, wherein said grip-controller assembly mechanical coupling employs at least one fastener of a type selected from the list consisting of continuous and discrete. 71. The hand-held receiver-controller for a power tool of claim 69, wherein said grip-controller assembly mechanical coupling further comprises at least one spring-loaded, interlocking latch on each end of said grip-controller assembly, wherein each said interlocking latch is adapted to mate with an associated receiver slot within said lateral internal sides of said control-housing sheath in order to facilitate a secure mechanical coupling of said grip-controller assembly. 72. The hand-held receiver-controller for a power tool of claim 66, further comprising a stabilizer handle coupled to an outside lateral surface of said control-housing sheath, wherein said stabilizer handle is disposed on the side of said control-housing sheath to allow a user to hold said stabilizer handle with the opposite hand of that which is used to grip said grip-controller assembly. 73. The hand-held receiver-controller for a power tool of claim 72, wherein said stabilizer handle can be readily coupled to either the right or left side of said control-housing sheath, as a user requires. 74. The hand-held receiver-controller for a power tool of claim 72, wherein said stabilizer handle includes a grip at the distal end relative to said control-housing sheath such that a user's free hand can grip said stabilizer handle in a manner that puts that hand substantially orthogonal in orientation as compared to the hand gripping said grip-controller assembly within said control-housing sheath. 75. The hand-held receiver-controller for a power tool of claim 66, wherein said sheath-to-user-arm-securing device comprises a set of securing straps secured that can be tightened by a user by a means selected from the group consisting of a hook-and-loop mating configuration, a buckle-and-strap configuration, and a ratchet strap with a quick-release device. 76. The hand-held receiver-controller for a power tool of claim 66, wherein said control-housing sheath further comprises internal padding for user comfort and to ensure a snug and stable fit on a user's hand and wrist. 77. The hand-held receiver-controller for a power tool of claim 66, wherein said control-housing sheath further comprises at least one power-tool-work-area illumination lamp disposed at said operating end of said control-housing sheath. 78. The hand-held receiver-controller for a power tool of claim 77, wherein said at least one power-tool-work-area illumination lamp is automatically energized whenever a coupled power tool is energized. 79. The hand-held receiver-controller for a power tool of claim 77, wherein said at least one power-tool-work-area illumination lamp is energized only when said user manually operates a control switch disposed on said control-housing sheath that causes electrical current to flow through said at least one power-tool-work-area illumination lamp. 80. A method for making an ergonomic hand-held receiver-controller for a power tool; said power tool having electrical power; the method comprising the steps of: providing a substantially rigid control-housing sheath defining an inner volume to house user controls and having an outer surface for the mounting of said power-tool, wherein said control-housing sheath has a closed upper region and has a lower region,wherein said closed upper region of said control-housing sheath defines the top of said control-housing sheath and said lower region of said control-housing sheath defines the bottom of said control-housing sheath, andwherein said control-housing sheath is adapted to receive a user's hand and wrist in said inner volume;providing a grip-controller assembly mechanically coupled to said control-housing sheath within said inner volume for a user's hand to grip, wherein said grip-controller assembly is adapted to be electrically coupled with a power-tool motor and contains portions of said control circuitry to facilitate user control over said power-tool energizing operations, andwherein said grip-controller assembly is oriented such that when a user's hand is engaged with said grip-controller assembly, the top of a user's gripping hand is oriented toward said top of said control-housing sheath,providing a device adapted to mechanically and electrically receive and couple to a power-tool motor adapted to mate with said mechanical and electrical coupling device, wherein said device that is adapted to mechanically and electrically receive and couple to a power-tool motor is disposed at the top of said control-housing sheath; andproviding a sheath-to-user-arm-securing device that adapts said control-housing sheath to be able to substantially secure the wrist and/or lower forearm of a user to the control end of said control-housing sheath, wherein when a user's hand and wrist are engaged with said control-housing sheath, including said grip-controller assembly, the axis of the user's hand and wrist is on a different, yet substantially parallel axis as that of a mounted power-tool motor;whereby a user can exert directional force of a coupled power tool using said control-housing sheath with said grip-controller assembly. 81. The method of claim 80, wherein said mechanical and electrical coupling for receiving a power-tool motor on said control-housing sheath employs a detachable and re-attachable coupling device to facilitate convenient user selection and use of power-tool motors of different power ratings and/or types. 82. The method of claim 80, wherein said mechanical coupling for receiving a power-tool motor on said control-housing sheath employs at least one fastener of a type selected from the list consisting of continuous and discrete. 83. The method of claim 80, wherein: said mechanical coupling of said grip-controller assembly is readily detachable, re-attachable, and reversible in position such that said grip-controller assembly can be used by either a right-handed or left-handed user, andsaid electric coupling of said grip-controller assembly remains enabled even when the physical position has been reversed to accommodate either a right-handed user or a left-handed user. 84. The method of claim 80, wherein said grip-controller assembly mechanical coupling employs at least one fastener of a type selected from the list consisting of continuous and discrete. 85. The method of claim 84, wherein said grip-controller assembly mechanical coupling further comprises at least one spring-loaded, interlocking latch on each end of said grip-controller assembly, wherein each said interlocking latch is adapted to mate with an associated receiver slot within said lateral internal sides of said control-housing sheath in order to facilitate a secure mechanical coupling of said grip-controller assembly. 86. The method of claim 80, further comprising the step of providing a stabilizer handle coupled to an outside lateral surface of said control-housing sheath, wherein said stabilizer handle is disposed on the side of said control-housing sheath to allow a user to hold said stabilizer handle with the opposite hand of that which is used to grip said grip-controller assembly. 87. The method of claim 86, wherein said stabilizer handle can be readily coupled to either the right or left side of said control-housing sheath, as a user requires. 88. The method of claim 86, wherein said stabilizer handle includes a grip at the distal end relative to said control-housing sheath such that a user's free hand can grip said stabilizer handle in a manner that puts that hand substantially orthogonal in orientation as compared to the hand gripping said grip-controller assembly within said control-housing sheath. 89. The method of claim 80, wherein said sheath-to-user-arm-securing device comprises a set of securing straps secured that can be tightened by a user by a means selected from the group consisting of a hook-and-loop mating configuration, a buckle-and-strap configuration, and a ratchet strap with a quick-release device. 90. The method of claim 80, further comprising the step of providing internal padding in said control-housing sheath for user comfort and to ensure a snug and stable fit on a user's hand and wrist. 91. The method of claim 80, further comprising the step of providing at least one power-tool-work-area illumination lamp disposed at said operating end of said control-housing sheath. 92. The method of claim 91, wherein said at least one power-tool-work-area illumination lamp is automatically energized whenever a coupled power tool is energized. 93. The method of claim 91, wherein said at least one power-tool-work-area illumination lamp is energized only when said user manually operates a control switch disposed on said control-housing sheath that causes electrical current to flow through said at least one power-tool-work-area illumination lamp.
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