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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0279853 (1981-07-02) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 10 인용 특허 : 1 |
A portable rock dust blowing apparatus comprising a wheel or skid supported framework upon which is mounted a blower designed to derive it\s driving power from a belt engaging roller which is also supported on the framework. Also mounted on the framework is a pair of inverted U-shaped channel member
A rock dust applying device comprising a framework having mounted thereon a roller adapted to engage with the undersurface of a travelling endless conveyor and to be rotated thereby, a gear train rotated by said roller, a blower mounted on said framework and being driven by said gear train, said blo
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