| 摘要 |
PROBLEM TO BE SOLVED: To sweep and remove the salt of an insulator surface inexpensively by a simple structure. SOLUTION: A circular rotator 15 is concentrically and rotatably attached to the surface of an insulator 1. The rotator 15 is provided with wind receiving vanes 25 provided radially outward, and a brush part 30 wherein a brush 33 abuts on the surface of the insulator 1. COPYRIGHT: (C)2007,JPO&INPIT
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