초록 ▼

Lighting system including mounting body, lever-locking bracket, and lighting module. Mounting body has first end spaced apart along longitudinal axis from second end. Lever-locking bracket includes bracket body and lever actuator. Lever-locking bracket is pivotally connected with first end of mounti

Lighting system including mounting body, lever-locking bracket, and lighting module. Mounting body has first end spaced apart along longitudinal axis from second end. Lever-locking bracket includes bracket body and lever actuator. Lever-locking bracket is pivotally connected with first end of mounting body by flange retained in alignment with aperture of mounting body communicating with cavity inside mounting body. Lighting module has semiconductor light-emitting device in housing, and has mounting arm pivotally connected with lever-locking bracket by first pivot joint for rotation of lighting module to plurality of primary positions around first pivot axis. Flange of the lever-locking bracket forms part of second pivot joint for rotation of lighting module to plurality of secondary positions around second pivot axis. Lever-locking bracket is configured for simultaneously locking lighting module at primary position and secondary position by movement of lever actuator from an unlocked position to locked position.

대표청구항 ▼

1. A lighting system, comprising: a mounting body having a first end being spaced apart along a longitudinal axis from a second end;a lever-locking bracket including a bracket body and a lever actuator, the lever-locking bracket being pivotally connected with the first end of the mounting body by a

1. A lighting system, comprising: a mounting body having a first end being spaced apart along a longitudinal axis from a second end;a lever-locking bracket including a bracket body and a lever actuator, the lever-locking bracket being pivotally connected with the first end of the mounting body by a flange of the lever-locking bracket being retained in alignment with an aperture of the mounting body communicating with a cavity located inside the mounting body;a lighting module having a housing and having a semiconductor light-emitting device in the housing, the lighting module having a mounting arm being pivotally connected with the lever-locking bracket by a first pivot joint for rotation of the lighting module to a plurality of primary positions around a first pivot axis, the flange of the lever-locking bracket forming a part of a second pivot joint for rotation of the lighting module to a plurality of secondary positions around a second pivot axis, the lever-locking bracket being configured for simultaneously locking the lighting module at a one of the primary positions and at a one of the secondary positions by a movement of the lever actuator from an unlocked position to a locked position. 2. The lighting system of claim 1, wherein the first pivot axis defines a first degree of freedom of movement of the lighting module, and wherein the second pivot axis defines a second degree of freedom of movement of the lighting module. 3. The lighting system of claim 1, wherein the first pivot axis is orthogonal to the second pivot axis. 4. The lighting system of claim 1, wherein the lever-locking bracket includes a cavity located inside the bracket body, and wherein the lever-locking bracket includes a lever located inside the cavity of the bracket body. 5. The lighting system of claim 4, wherein the lever is integrated with the lever actuator. 6. The lighting system of claim 4, wherein the bracket body includes a lever notch being located inside the cavity of the bracket body, and wherein the lever includes a projecting leverage point being in pivotal contact with the lever notch of the bracket body. 7. The lighting system of claim 4, wherein the lever-locking bracket includes another lever being located inside the cavity of the bracket body, and wherein the lever and the another lever are in mutual pivotal contact inside the cavity of the bracket body. 8. The lighting system of claim 7, wherein the lever includes a projecting leverage point, and wherein the another lever includes a projecting lever notch, and wherein the projecting leverage point is in pivotal contact with the projecting lever notch. 9. The lighting system of claim 7, wherein the lever includes a projecting lever notch, and wherein the another lever includes a projecting leverage point, and wherein the projecting leverage point is in pivotal contact with the projecting lever notch. 10. The lighting system of claim 4, wherein the bracket body includes a portion of the flange of the lever-locking bracket, and wherein the lever actuator includes another portion of the flange of the lever-locking bracket. 11. The lighting system of claim 10, wherein the portion of the flange of the lever-locking bracket reaches a first distance away from the second pivot axis and the another portion of the flange of the lever-locking bracket reaches a second distance away from the second pivot axis; and wherein the first distance is about the same as the second distance when the lever actuator is in the unlocked position. 12. The lighting system of claim 11, wherein the movement of the lever actuator from the unlocked position to the locked position causes a displacement of the another portion of the flange of the lever-locking bracket farther away from the second pivot axis, so that the second distance is larger than the first distance when the lever actuator is in the locked position. 13. The lighting system of claim 12, wherein the flange of the lever-locking bracket is located inside the mounting body. 14. The lighting system of claim 13, wherein the aperture of the mounting body has an edge reaching another distance away from the second pivot axis, and wherein the another distance is smaller than the first distance reached by the portion of the flange of the lever-locking bracket, and wherein the flange of the lever-locking bracket is retained inside the cavity of the mounting body by the edge of the aperture of the mounting body. 15. The lighting system of claim 13, wherein the flange of the lever-locking bracket is frictionally locked together with the mounting body when the lever actuator is in the locked position. 16. The lighting system of claim 13, further including a bracket retainer located inside the cavity of the mounting body, the bracket retainer encircling a portion of the aperture of the mounting body and being in contact with a portion of the flange of the lever-locking bracket. 17. The lighting system of claim 13, further including a bracket retainer located inside the cavity of the mounting body, the bracket retainer having a side encircling the aperture of the mounting body and being in contact with a portion of the flange of the lever-locking bracket. 18. The lighting system of claim 17, wherein the bracket retainer has a flange, and wherein the flange of the bracket retainer encircles the flange of the lever-locking bracket, and wherein the bracket retainer maintains the lever-locking bracket in alignment with the second pivot axis. 19. The lighting system of claim 1, wherein the lever-locking bracket includes another lever actuator, the lever actuator and the another lever actuator being held in mutually opposing positions by the bracket body. 20. The lighting system of claim 19, wherein the lever-locking bracket includes another lever located inside the cavity of the bracket body, and wherein the another lever is integrated with the another lever actuator. 21. The lighting system of claim 20, wherein the lever and the another lever are in mutual pivotal contact inside the cavity of the bracket body. 22. The lighting system of claim 19, wherein the bracket body includes a portion of the flange of the lever-locking bracket, and wherein the lever actuator includes another portion of the flange of the lever-locking bracket, and wherein the another lever actuator includes a further portion of the flange of the lever-locking bracket. 23. The lighting system of claim 22, wherein the portion of the flange of the lever-locking bracket reaches a first distance away from the second pivot axis, and wherein the another portion of the flange of the lever-locking bracket reaches a second distance away from the second pivot axis, and wherein the further portion of the flange of the lever-locking bracket reaches a third distance away from the second pivot axis; and wherein each one of the first, second and third distances is about the same when the lever actuator is in the unlocked position and the another lever actuator is in another unlocked position. 24. The lighting system of claim 23, wherein the movement of the lever actuator from the unlocked position to the locked position and a movement of the another lever actuator from the another unlocked position to another locked position causes displacements of the another portion of the flange of the lever-locking bracket and of the further portion of the flange of the lever-locking bracket farther away from the second pivot axis, so that each one of the second and third distances is larger than the first distance when the lever actuator is in the locked position and the another lever actuator is in the another locked position. 25. The lighting system of claim 24, wherein the flange of the lever-locking bracket is located inside the mounting body. 26. The lighting system of claim 25, wherein the aperture of the mounting body has an edge reaching another distance away from the second pivot axis, and wherein the another distance is smaller than the first distance reached by the portion of the flange of the lever-locking bracket, and wherein the flange of the lever-locking bracket is retained inside the cavity of the mounting body by the edge of the aperture of the mounting body. 27. The lighting system of claim 25, wherein the flange of the lever-locking bracket is frictionally locked together with the mounting body when the lever actuator is in the locked position and the another lever actuator is in the another locked position. 28. The lighting system of claim 25, further including a bracket retainer located inside the cavity of the mounting body, the bracket retainer encircling a portion of the aperture of the mounting body and being in contact with a portion of the flange of the lever-locking bracket. 29. The lighting system of claim 25, further including a bracket retainer located inside the cavity of the mounting body, the bracket retainer having a side encircling the aperture of the mounting body and being in contact with a portion of the flange of the lever-locking bracket. 30. The lighting system of claim 29, wherein the bracket retainer has a flange, and wherein the flange of the bracket retainer encircles the flange of the lever-locking bracket, and wherein the bracket retainer maintains the lever-locking bracket in alignment with the second pivot axis. 31. The lighting system of claim 1, wherein the flange of the lever-locking bracket is located at a first end of the lever-locking bracket, and wherein the lever-locking bracket has a second end being spaced apart along another longitudinal axis extending away from the mounting body. 32. The lighting system of claim 31, wherein the lever-locking bracket has an arch shape, and wherein the flange of the lever-locking bracket forms a base of the arch shape. 33. The lighting system of claim 32, wherein the arch shape of the lever-locking bracket is a round arch, an elliptical arch, a three-centered arch, a segmental arch, a horseshoe arch, or a pinched arch. 34. The lighting system of claim 32, wherein the lever-locking bracket has two spaced-apart mutually-opposing arched sides each having the arch shape. 35. The lighting system of claim 34, wherein the mounting arm has another arch shape and two spaced-apart mutually-opposing arched sides each having the another arch shape. 36. The lighting system of claim 35, wherein a one of the arched sides of the lever-locking bracket is pivotally connected with and aligned for rotation around the first pivot axis relative to a one of the arched sides of the mounting arm. 37. The lighting system of claim 36, wherein the lever-locking bracket includes a cavity located inside the bracket body. 38. The lighting system of claim 37, wherein the lever actuator forms another one of the arched sides of the lever-locking bracket, and wherein the bracket body and the another one of the arched sides of the lever-locking bracket cooperatively enclose the cavity of the bracket body. 39. The lighting system of claim 38, including an aperture in the one of the arched sides of the mounting arm, being in communication at the first pivot joint with an aperture in the one of the arched sides of the lever-locking bracket. 40. The lighting system of claim 39, including a fastener forming the first pivot axis, the fastener extending through the aperture in the one of the arched sides of the mounting arm and through the aperture in the one of the arched sides of the lever-locking bracket. 41. The lighting system of claim 40, wherein the fastener is configured for causing the lever-locking bracket to be placed under compression with the mounting arm along the first pivot axis. 42. The lighting system of claim 41, wherein the fastener is configured for causing the movement of the lever actuator from the unlocked position to the locked position while simultaneously causing the one of the arched sides of the lever-locking bracket to be frictionally locked together with the one of the arched sides of the mounting arm. 43. The lighting system of claim 42, including raised bumps being on and arranged around the aperture of the one of the arched sides of the lever-locking bracket, and including further raised bumps being on and arranged around the aperture of the one of the arched sides of the mounting arm. 44. The lighting system of claim 43, wherein the raised bumps and the further raised bumps collectively cause the lever-locking bracket to be frictionally locked together with the mounting arm when the lever actuator is in the locked position, and wherein the raised bumps and the further raised bumps collectively permit the lighting module to be rotated around the first pivot axis when the lever actuator is in the unlocked position. 45. The lighting system of claim 42, wherein the mounting arm includes a threaded receptacle, and wherein the fastener is a bolt connected to the lever-locking bracket and having a threaded shank pivotally located in the threaded receptacle. 46. The lighting system of claim 42, wherein the lever-locking bracket includes a threaded receptacle, and wherein the fastener is a bolt connected to the mounting arm and having a threaded shank pivotally located in the threaded receptacle. 47. The lighting system of claim 38, wherein the lever-locking bracket includes a lever located inside the cavity of the bracket body. 48. The lighting system of claim 47, wherein the lever is integrated with the lever actuator. 49. The lighting system of claim 48, wherein the bracket body includes a lever notch being located inside the cavity of the bracket body, and wherein the lever includes a projecting leverage point being in pivotal contact with the lever notch. 50. The lighting system of claim 48, wherein the bracket body includes two spaced-apart lever notches being located inside the cavity of the bracket body, and wherein the lever includes two spaced-apart projecting leverage points, a one of the projecting leverage points being in pivotal contact with a one of the lever notches and another one of the projecting leverage points being in pivotal contact with another one of the lever notches. 51. The lighting system of claim 39, wherein the cavity of the bracket body has an aperture being in communication with the cavity of the mounting body. 52. The lighting system of claim 51, wherein the lighting module has an aperture being in communication with a passageway of the mounting arm, and wherein the passageway of the mounting arm is in communication with the aperture in the one of the arched sides of the mounting arm. 53. The lighting system of claim 52, including an electrical conductor passing from the cavity of the mounting body into the cavity of the bracket body, and passing from the cavity of the bracket body into the passageway of the mounting arm, and passing from the passageway of the mounting arm into the lighting module. 54. The lighting system of claim 1, including a mounting post having a first end being spaced apart along a further longitudinal axis from a second end, the second end of the mounting body being connected with the second end of the mounting post. 55. The lighting system of claim 54, including a mounting base at the first end of the mounting post and being configured for positioning the lighting system on a working surface, wherein the lighting system includes a third pivot joint for rotation of the lighting module to a plurality of tertiary positions around a third pivot axis being orthogonal to the working surface. 56. The lighting system of claim 55, wherein the mounting base is configured for attaching the lighting system to the working surface. 57. The lighting system of claim 56, wherein the mounting base includes a fastener for attaching the lighting system to the working surface. 58. The lighting system of claim 55, wherein the first pivot axis defines a first degree of freedom of movement of the lighting module, and wherein the second pivot axis defines a second degree of freedom of movement of the lighting module, and wherein the third pivot axis defines a third degree of freedom of movement of the lighting module. 59. The lighting system of claim 58, wherein the first pivot axis is orthogonal to the second pivot axis. 60. The lighting system of claim 55, wherein the second end of the mounting post includes another mounting arm, and wherein the second end of the mounting body is attached to the another mounting arm at a fourth pivot joint for rotation of the lighting module to a plurality of quaternary positions around a fourth pivot axis being orthogonal to the third pivot axis. 61. The lighting system of claim 55, wherein the lighting system includes a first circular cylinder having a first cylinder base spaced apart by a first sidewall from a first rim, wherein the first rim is located at the first end of the mounting post, wherein the lighting system includes a second circular cylinder having a second cylinder base spaced apart by a second sidewall from a second rim, and wherein the first circular cylinder is nested inside the second circular cylinder. 62. The lighting system of claim 61, wherein the first rim of the first circular cylinder is attached to the mounting base. 63. The lighting system of claim 62, wherein the second end of the mounting post includes another mounting arm, and wherein the second end of the mounting body is attached to the another mounting arm at a fourth pivot joint for rotation of the lighting module to a plurality of quaternary positions around a fourth pivot axis. 64. The lighting system of claim 63, wherein the another mounting arm includes a flange being interposed between the first cylinder base and the second cylinder base. 65. The lighting system of claim 61, wherein the first sidewall of the first circular cylinder includes a plurality of spaced-apart raised ribs extending toward the second sidewall of the second circular cylinder, and wherein the raised ribs are positioned for centering the first circular cylinder inside the second circular cylinder in alignment with the third pivot axis. 66. The lighting system of claim 61, wherein the lighting system includes another lever-locking bracket having another bracket body and a further lever actuator, the another lever-locking bracket being pivotally connected with the second end of the mounting post at the third pivot joint being formed by a flange of the another lever-locking bracket retained in alignment with an aperture in the first cylinder base of the first circular cylinder, and wherein the flange of the another lever-locking bracket is interposed between the first cylinder base of the first circular cylinder and the second cylinder base of the second circular cylinder. 67. The lighting system of claim 66, wherein the second end of the mounting body is pivotally connected with the another lever-locking bracket by a fourth pivot joint for rotation of the lighting module to a plurality of quaternary positions around a fourth pivot axis, the another lever-locking bracket being configured for simultaneously locking the lighting module at a one of the tertiary positions and at a one of the quaternary positions by moving the further lever actuator from an unlocked position to a locked position. 68. The lighting system of claim 67, wherein the first pivot axis defines a first degree of freedom of movement of the lighting module, and wherein the second pivot axis defines a second degree of freedom of movement of the lighting module, and wherein the third pivot axis defines a third degree of freedom of movement of the lighting module, and wherein the fourth pivot axis defines a fourth degree of freedom of movement of the lighting module. 69. The lighting system of claim 66, wherein the another lever-locking bracket includes a cavity located inside the another bracket body, and wherein the another lever-locking bracket includes a further lever located inside the cavity of the another bracket body. 70. The lighting system of claim 68, wherein the further lever is integrated with the further lever actuator. 71. The lighting system of claim 68, wherein the another bracket body includes another lever notch being located inside the cavity of the another bracket body, and wherein the further lever includes a projecting leverage point being in pivotal contact with the another lever notch of the another bracket body. 72. The lighting system of claim 68, wherein the another bracket body includes a portion of the flange of the another lever-locking bracket, and wherein the further lever actuator includes another portion of the flange of the another lever-locking bracket. 73. The lighting system of claim 72, wherein the portion of the flange of the another lever-locking bracket reaches a first distance away from the third pivot axis and the another portion of the flange of the another lever-locking bracket reaches a second distance away from the third pivot axis; and wherein the first distance is about the same as the second distance when the further lever actuator is in an unlocked position. 74. The lighting system of claim 73, wherein the movement of the further lever actuator from the unlocked position to a locked position causes a displacement of the another portion of the flange of the another lever-locking bracket farther away from the third pivot axis, so that the second distance is larger than the first distance when the further lever actuator is in the locked position. 75. The lighting system of claim 74, wherein the flange of the another lever-locking bracket is located inside the mounting post. 76. The lighting system of claim 75, wherein an aperture in the first cylinder base of the first circular cylinder has an edge reaching an additional distance away from the third pivot axis, and wherein the additional distance is smaller than the first distance reached by the portion of the flange of the another lever-locking bracket, and wherein the flange of the another lever-locking bracket is retained inside the mounting post by the edge of the aperture in the first cylinder base. 77. The lighting system of claim 76, wherein the flange of the another lever-locking bracket is frictionally locked together with the mounting post when the further lever actuator is in the locked position. 78. The lighting system of claim 67, wherein the flange of the another lever-locking bracket is located at a first end of the another lever-locking bracket, and wherein the another lever-locking bracket has a second end being spaced apart along an additional longitudinal axis extending away from the mounting post. 79. The lighting system of claim 78, wherein the another lever-locking bracket has an arch shape, and wherein the flange of the another lever-locking bracket forms a base of the arch shape. 80. The lighting system of claim 79, wherein the arch shape of the another lever-locking bracket is a round arch, an elliptical arch, a three-centered arch, a segmental arch, a horseshoe arch, or a pinched arch. 81. The lighting system of claim 79, wherein the another lever-locking bracket has two spaced-apart mutually-opposing arched sides each having the arch shape. 82. The lighting system of claim 81, wherein the second end of the mounting body has another arch shape and two spaced-apart mutually-opposing arched sides each having the another arch shape. 83. The lighting system of claim 82, wherein the arch shape of the second end of the mounting body is a round arch, an elliptical arch, a three-centered arch, a segmental arch, a horseshoe arch, or a pinched arch. 84. The lighting system of claim 82, wherein a one of the arched sides of the another lever-locking bracket is pivotally connected with and aligned for rotation around the fourth pivot axis relative to a one of the arched sides of the second end of the mounting body. 85. The lighting system of claim 84, wherein the another lever-locking bracket includes a cavity located inside the another bracket body. 86. The lighting system of claim 85, wherein the further lever actuator forms another one of the arched sides of the another lever-locking bracket, and wherein the another bracket body and the another one of the arched sides of the another lever-locking bracket cooperatively enclose the cavity of the another bracket body. 87. The lighting system of claim 86, including an aperture in the one of the arched sides of the second end of the mounting body, being in communication at the fourth pivot joint with an aperture in the one of the arched sides of the another lever-locking bracket. 88. The lighting system of claim 87, including a fastener forming the fourth pivot axis, the fastener extending through the aperture in the one of the arched sides of the second end of the mounting body and through the aperture in the one of the arched sides of the another lever-locking bracket. 89. The lighting system of claim 88, wherein the fastener is configured for causing the another lever-locking bracket to be placed under compression with the second end of the mounting body along the fourth pivot axis. 90. The lighting system of claim 89, wherein the fastener is configured for causing a movement of the further lever actuator from the unlocked position to the locked position while simultaneously causing the one of the arched sides of the another lever-locking bracket to be frictionally locked together with the one of the arched sides at the second end of the mounting body. 91. The lighting system of claim 90, including raised bumps being on and arranged around the aperture of the one of the arched sides of the another lever-locking bracket, and including further raised bumps being on and arranged around the aperture of the one of the arched sides of the second end of the mounting body. 92. The lighting system of claim 91, wherein the raised bumps and the further raised bumps collectively cause the another lever-locking bracket to be frictionally locked together with the second end of the mounting body when the further lever actuator is in the locked position, and wherein the raised bumps and the further raised bumps collectively permit the lighting module to be rotated around the fourth pivot axis when the another lever actuator is in the unlocked position. 93. The lighting system of claim 90, wherein the second end of the mounting body includes a threaded receptacle, and wherein the fastener is a bolt connected to the another lever-locking bracket and having a threaded shank pivotally located in the threaded receptacle. 94. The lighting system of claim 90, wherein the another lever-locking bracket includes a threaded receptacle, and wherein the fastener is a bolt connected to the second end of the mounting body and having a threaded shank pivotally located in the threaded receptacle. 95. The lighting system of claim 85, wherein the another lever-locking bracket includes a further lever located inside the cavity of the another bracket body. 96. The lighting system of claim 95, wherein the further lever is integrated with the further lever actuator. 97. The lighting system of claim 96, wherein the another bracket body includes a further lever notch being located inside the cavity of the another bracket body, and wherein the further lever includes a projecting leverage point being in pivotal contact with the further lever notch. 98. The lighting system of claim 96, wherein the another bracket body includes two spaced-apart further lever notches being located inside the cavity of the another bracket body, and wherein the further lever includes two spaced-apart further projecting leverage points, a one of the further projecting leverage points being in pivotal contact with a one of the further lever notches and another one of the further projecting leverage points being in pivotal contact with another one of the further lever notches. 99. The lighting system of claim 87, wherein the cavity of the another bracket body has an aperture being in communication with the cavity of the mounting body. 100. The lighting system of claim 99, wherein the mounting base has an aperture being in communication with the aperture in the one of the arched sides of the mounting post. 101. The lighting system of claim 100, including an electrical conductor passing from a cavity of the mounting post into the cavity of the mounting body, and passing from the cavity of the mounting body into the cavity of the bracket body, and passing from the cavity of the bracket body into the passageway of the mounting arm, and passing from the passageway of the mounting arm into the lighting module. 102. The lighting system of claim 55, wherein the lighting system includes another lever-locking bracket having another bracket body and a further lever actuator, the another lever-locking bracket being pivotally connected with the second end of the mounting post by a flange of the another lever-locking bracket. 103. The lighting system of claim 102, wherein the lighting system includes a circular cylinder having a cylinder base spaced apart by a sidewall from a rim, and wherein the rim of the circular cylinder is attached to the mounting base. 104. The lighting system of claim 103, wherein the lighting system includes a threaded ring, and wherein a portion of the sidewall adjacent to the cylinder base of the circular cylinder is threaded for insertion into the threaded ring, and wherein the flange of the additional lever-locking bracket is interposed between the cylinder base and the threaded ring. 105. The lighting system of claim 1, having a second lever-locking bracket including a second bracket body and a second lever actuator, the second lever-locking bracket being pivotally connected with the mounting body at a position being either aligned along the longitudinal axis with and spaced apart from another position of the lever-locking bracket, or being spaced apart at a distance away from the longitudinal axis being about the same as another distance by which another position of the lever-locking bracket is spaced apart from the longitudinal axis. 106. The lighting system of claim 105, wherein the second lever-locking bracket is pivotally connected with the mounting body at the position as being aligned along the longitudinal axis with and spaced apart from another position of the lever-locking bracket. 107. The lighting system of claim 106, including a second lighting module having a second mounting arm being pivotally connected with the second lever-locking bracket. 108. The lighting system of claim 107, wherein the second lighting module includes four semiconductor light-emitting devices in a second housing, and wherein the second housing includes a divider for causing light emissions from each of the four semiconductor light-emitting devices to be separately emitted from the second lighting module. 109. The lighting system of claim 107, wherein the second lever-locking bracket is pivotally connected with the mounting body by a flange of the second lever-locking bracket being retained in alignment with a second aperture of the mounting body communicating with the cavity located inside the mounting body. 110. The lighting system of claim 109, wherein the mounting body has two mutually-opposing sides, and wherein the lever-locking bracket is connected to the lighting system at a one of the two mutually-opposing sides of the mounting body, and wherein the second lever-locking bracket is connected to the lighting system at another one of the two mutually-opposing sides of the mounting body. 111. The lighting system of claim 109, wherein the mounting body has two mutually-opposing sides, and wherein the lever-locking bracket is connected to the lighting system at a one of the two mutually-opposing sides of the mounting body, and wherein the second lever-locking bracket also is connected to the lighting system at the one of the two mutually-opposing sides of the mounting body. 112. The lighting system of claim 111, having two additional lever-locking brackets each including an additional bracket body and an additional lever actuator, wherein a one of the additional lever-locking brackets is connected to the lighting system at the another one of the two mutually-opposing sides of the mounting body, and wherein another one of the additional lever-locking brackets is aligned along the longitudinal axis with and spaced apart from the one of the additional lever-locking brackets and is also connected to the lighting system at the another one of the two mutually-opposing sides of the mounting body. 113. The lighting system of claim 109, wherein the mounting body has two mutually-opposing sides, and wherein the mounting body includes two half-bodies collectively forming the mounting body, each one of the two half-bodies forming a one of the mutually-opposing sides of the mounting body. 114. The lighting system of claim 113, wherein the flange of the lever-locking bracket is interposed between a bracket retainer and a one of the two mutually-opposing sides of the mounting body, and wherein the flange of the second lever-locking bracket is interposed between another bracket retainer and the another one of the two mutually-opposing sides of the mounting body. 115. The lighting system of claim 105, wherein the second lever-locking bracket is pivotally connected with the mounting body at a position being spaced apart at a distance away from the longitudinal axis being about the same as another distance by which another position of the lever-locking bracket is spaced apart from the longitudinal axis. 116. The lighting system of claim 115, including a second lighting module having a second mounting arm being pivotally connected with the second lever-locking bracket. 117. The lighting system of claim 116, wherein the second lighting module includes four semiconductor light-emitting devices in a second housing, and wherein the second housing includes a divider for causing light emissions from each of the four semiconductor light-emitting devices to be separately emitted from the second lighting module. 118. The lighting system of claim 116, wherein the second lever-locking bracket is pivotally connected with the mounting body by a flange of the second lever-locking bracket being retained in alignment with a second aperture of the mounting body communicating with the cavity located inside the mounting body. 119. The lighting system of claim 118, wherein the mounting body has two mutually-opposing sides, and wherein the lever-locking bracket is connected to the lighting system at a one of the two mutually-opposing sides of the mounting body, and wherein the second lever-locking bracket is connected to the lighting system at another one of the two mutually-opposing sides of the mounting body. 120. The lighting system of claim 118, wherein the mounting body has two mutually-opposing sides, and wherein the lever-locking bracket is connected to the lighting system at a one of the two mutually-opposing sides of the mounting body, and wherein the second lever-locking bracket also is connected to the lighting system at the one of the two mutually-opposing sides of the mounting body. 121. The lighting system of claim 120, having two additional lever-locking brackets each including an additional bracket body and an additional lever actuator, wherein a one of the additional lever-locking brackets is connected to the lighting system at the another one of the two mutually-opposing sides of the mounting body, and wherein another one of the additional lever-locking brackets is also connected to the lighting system at the another one of the two mutually-opposing sides of the mounting body and is spaced apart at a distance away from the longitudinal axis being about the same as another distance by which the one of the additional lever-locking brackets is spaced apart from the longitudinal axis. 122. The lighting system of claim 118, wherein the mounting body has two mutually-opposing sides, and wherein the mounting body includes two half-bodies collectively forming the mounting body, each one of the two half-bodies forming a one of the mutually-opposing sides of the mounting body. 123. The lighting system of claim 122, wherein the flange of the lever-locking bracket is interposed between a bracket retainer and a one of the two mutually-opposing sides of the mounting body, and wherein the flange of the second lever-locking bracket is interposed between another bracket retainer and the another one of the two mutually-opposing sides of the mounting body.