| 摘要 |
PURPOSE:To enhance operability at the time of removing a shade. CONSTITUTION:This luminaire is provided with a socket 2 in which an external thread part 2a is formed in an outer peripheral surface and one end side of which is fitted to a ceiling 6 surface, a holder nut 3 equipped with an internal thread 3a to be screw-engaged with the external thread part 2a, and a shade 4 for almost covering a periphery of a lamp fitted to the socket 2 and to be fitted by a holder nut 3. At a lower end of the socket 2, an elastic piece 2b having elasticity and freely appearing/retreating in the side surface direction is equipped, a locking part 3d protruding inward is equipped on the upper side than the internal thread part 3a of holder nut 3, and between the locking part 3d and the internal thread part 3a of holder nut 3 a relief part 3c which is not pressing the elastic piece 2b is formed. A holder nut temporary locking means 8 is formed for temporarily stopping separation of the holder nut 3 from the socket 2 immediately before the separation thereof from the socket 2. |
