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A SIEVE AND A DEVICE FOR PICKING STONES FROM SOIL
专利权人:
发明人:
Esko Martikainen,Adam Michalak
申请号:
US15773485
公开号:
US20180325008A1
申请日:
2016.11.04
申请国别(地区):
US
年份:
2018
代理人:
摘要:
The invention relates to a sieve 100 for stone picking stones from soil, said sieve in the orientation intended for use comprising: a number of bars 2,2′,2″,2′″, wherein each bar is extending in a longitudinal direction between a lower end 4 configured to be at least partly submerged in soil, and an upper end 6 wherein each said bar comprises a leading surface 8 extending a distance L from a first edge 10 to a second edge 12 of said leading surface of said bar wherein each said bar comprises a trailing surface 14 wherein in respect of two specific adjacent bars 2,2′,2″,2′″, preferably in respect of any two adjacent bars, the geometry of the bars and the sieve is configured in such a way that the smallest distance D between said two adjacent bars is being present at the leading surface of said two adjacent bars. Also provided is a stone picking device comprising a sieve according to the invention.
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中国工程科技知识中心
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http://www.ckcest.cn/home/

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