发明名称 Harrow tine with a cutting edge
摘要 A harrow tine with a cutting edge for increasing the efficiency and useful life of a harrow tine. The inventive device includes a harrow tine, and a hardened edge member attached to a lower end of the harrow tine for engaging a ground surface. The hardened edge member preferably is tapered forwardly thereby creating a syncline shaped structure with a leading edge which easily penetrates the ground surface. The edge member is preferably constructed of a hardened material such as but not limited to chrome.
申请公布号 US6425446(B1) 申请公布日期 2002.07.30
申请号 US20000640444 申请日期 2000.08.17
申请人 GATES MICHAEL 发明人 GATES MICHAEL
分类号 A01B23/02;(IPC1-7):A01B23/02;A01B35/24 主分类号 A01B23/02
代理机构 代理人
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