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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0183727 (1980-09-03) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 13 인용 특허 : 1 |
A scrubbing device is provided including a body which is supported on a plurality of wheels which are driven by a hydraulic pump. The scrubbing machine has a squeegee which is hydraulically raised and lowered. The machine is provided with a sensing device adjacent the hydraulic drive pump which sens
A scrubbing device, comprising a body structure; front and rear wheel means for movably supporting the body structure; steering means for controlling the direction traversed by the scrubbing device; scrubbing brush means carried by the body for wetting and scrubbing a path; scrubbing brush lift mean
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