| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a street light with a lamp exchanging function in which workman's problems are solved, especially, problems for a water-proof counter measure and a corrosion-preventing counter measure necessitated because a lamp, a lamp fitting and a driving means or the like are placed outside a electric pole or a supporting column. <P>SOLUTION: In the street light 1 provided with a lighting apparatus on an upper portion of a hollow supporting column 3, the lighting apparatus is provided with an electric lamp fixing tool 2 which has a lamp fixing portion for fixing the lamp and moves up and down inside the supporting column 3, and a supporting tool 4 of a rod shape is connected with the lamp fixing tool 2, and in a lower portion of the supporting column 3, there is provided a lamp exchanging portion for exchanging the lamp mounted to the lamp fixing tool 2, and the supporting tool 4 is moved up and down and the lamp fixing tool 2 and the lamp mounted to the lamp fixing toll 2 are moved up and down. <P>COPYRIGHT: (C)2009,JPO&INPIT |
