发明名称 Three point hitch ballast assembly for working machine
摘要 A working machine includes a rear mounted 3 point hitch and a ballast assembly. The ballast assembly includes a housing and a metal frame positioned within the housing. The frame includes a 3 point coupler connected with the 3 point hitch. Concrete ballast is within the housing in contact with the frame.
申请公布号 US7618062(B2) 申请公布日期 2009.11.17
申请号 US20060633289 申请日期 2006.12.04
申请人 DEERE & COMPANY 发明人 HAMM NICHOLAS;SHARPE PETER SUTHERLAND
分类号 B60S9/00;B60S9/22 主分类号 B60S9/00
代理机构 代理人
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