| 摘要 |
PROBLEM TO BE SOLVED: To obtain waterproof sealability as needed in a gap formed at a penetration part of a housing for a rotary apparatus so as not to hamper an object required to the penetration part.SOLUTION: In a housing 12 for housing a motor M, a rotation shaft penetration part 13 and a ventilation penetration part 3 are formed to penetrate. At annular gaps 10a and 10b formed at those respective penetration parts 13 and 3, waterproof sealing members 15 and 33 having air tubes 15a and 33a that are expanded by air injection, are provided respectively. At the ventilation penetration part 3, an opening and closing door 31 that opens and closes one opening 3a of the ventilation penetration part is provided. The waterproof sealing member 33 is provided at a position of the gap 10b formed between the opening and closing door 31 and an opening edge of the opening 3a when the door is closed. |
