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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0117454 (1980-02-01) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 10 인용 특허 : 3 |
A mobile grass seed planter having mounted thereon a frontal line of spaced water nozzles, and behind each nozzle, in a second or back row, is a row of outlets through which seed is directed under air pressure. In operation, as the planter is moved over the earth, a plurality of parallel narrow groo
A planter comprising: a frame adapted to be moved by hand over the ground along a selected line of direction; a source A of pressurized liquid positioned remote from said frame and a flexible conduit coupled to said source A and extending to said frame; a source B of gas pressurized seed material to
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