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Precision seeder
专利权人:
AMAZONEN-WERKE H. DREYER GMBH & CO KG, 4507 HASBERGEN, DE
发明人:
LUEHRMANN, JOHANNES, 4512 WALLENHORST, DE,OBERHEIDE, FRIEDRICH, 4507 HASBERGEN, DE,KEMPER, MARTIN, 4506 HAGEN, DE,HOERNSCHEMEYER, HUBERT, 4512 WALLENHORST, DE,VOLMER, HUBERT, 4506 HAGEN, DE
申请号:
DE19893908915
公开号:
DE3908915(A1)
申请日:
1989.03.18
申请国别(地区):
德国
年份:
1990
代理人:
摘要:
Precision seeder with several precision seeding devices which are arranged alongside one another transversely to the direction of travel and which are arranged vertically movably on a support frame by means of a parallelogram linkage which has at least one upper link rod and one lower link rod. The upper link rod(s) of the four-bar linkage consist(s) of at least two parts which can be adjusted in length in relation to each other. In order to protect the precision seeder of the generic type from damage, particularly during transportation, it is proposed to arrange, between the two parts (22) of the upper link rod (9), at least one elastic element (25), for example a spring element, acting counter to the direction of pulling (24) of the upper link rod (9) (Fig. 4). <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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