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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0853860 (1977-11-22) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 10 인용 특허 : 1 |
A particulate material spreader comprising a ground-contacting platform adapted for detachable connection to towing device which causes the platform to traverse the ground so as to engage at least in part the surface thereof subtended by the platform. Engagement is by one or more members supported b
A towed particulate material spreader comprising a platform frame; a plurality of spaced parallel blade members fixed to said frame, each said member having at least one vertically resolvable surface irrespective of the attitude of said platform frame and each of said members having its cutting port
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