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Improvement to weighting wheels of seeders
专利权人:
SOGEFINA GESTION FINANC ARMORICA
发明人:
PAUL HERRIAU
申请号:
FR19870013667
公开号:
FR2621212(A1)
申请日:
1987.10.02
申请国别(地区):
法国
年份:
1989
代理人:
摘要:
The present invention relates to a weighting wheel for a seeder. The weighting wheel in accordance with the invention is coaxial and secured in rotation with at least one gauge wheel 5 having a running radius which is smaller than the radius of the periphery of the weighting wheel 4, the gauge wheel 5 being a wheel with a deformable peripheral coating such as a low-pressure tyre 13. The weighting wheel in accordance with the invention can be used in particular for precision seeder elements. <IMAGE>
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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