LIGHTING SYSTEM CORE SHIFT ADJUSTING TOOL, DOWN-LIGHT TYPE LIGHTING SYSTEM, AND DOWN-LIGHT TYPE LIGHTING SYSTEM WITH ELEVATION DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a lighting system core shift adjusting tool capable of simply adjusting the core shift generated between a hanging bolt and a ceiling mounting hole without weakening fixing strength thereof, capable of preventing the lighting system from deformation, and a down-light type lighting system and a down-light type lighting system with an elevation device.

SOLUTION: The lighting system core shift adjusting tool is constituted of a first supporting member 11 supported by not less than two pieces of hanging bolts 14, 14; a second supporting member 12 supporting the lighting device 20 installed on a ceiling mounting hole 30a; a core shift adjusting part 15 arranged on the second supporting member, adjusting the core shift between the not less than two pieces of hanging bolts and the ceiling mounting hole 30a by rotation and lateral movement.

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