发明名称 Front tube furrow opener attachment
摘要 A furrow opener for attachment to a cultivator shank has a delivery tube located in front of the shank and close to the shank to facilitate trash flow around the shank. The product delivered can fall directly behind the furrow making device without negotiating an upward curve. A second delivery tube can be mounted behind the shank, and an economical manufacture of the opener is provided.
申请公布号 US6457426(B1) 申请公布日期 2002.10.01
申请号 US20000732067 申请日期 2000.12.07
申请人 DUTCH BLACKSMITH SHOP LTD. 发明人 CRUSON IZAAK
分类号 A01B15/02;A01B35/22;A01C5/06;(IPC1-7):A01C5/06 主分类号 A01B15/02
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