| 摘要 |
PURPOSE:To retreat a projecting portion from a locking hole without using any tool so as to enable an accessory to be attached to and removed from a lighting fixture main body by pushing a handle inward. CONSTITUTION:To exchange a fluorescent lamp 2 for a new one, a handle 23 is pushed in the direction indicated by the arrow A and then a projecting portion 22 is disconnected from a locking hole 6, so that a louver 7 can be rotated downward about that portion of the louver 7 where the end of a rotation supporting member 15 is made to abut on the bent piece 4 of a lighting fixture main body 1. In this case, the rotation supporting member 15 would not be disconnected from a square hole 5 because the end of the member 15 is bent at an acute angle. To mount the louver 7 on the lighting fixture main body 1, the louver 7 is rotated upward with the handle 23 pushed inward and then the handle 2 is released, so that the projecting portion 22 can be engaged in the locking hole 6 of the lighting fixture main body 1 by means of the elasticity of an elastic piece 21. The louver 7 can thus be attached to and removed from the lighting fixture main body 1 very easily without using any tool. |
