发明授权
- 专利标题： Pattern select valve for control levers of a title work vehicle
- 专利标题（中）： 标题作业车辆的控制杆的模式选择阀
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申请号： US10693824申请日： 2003-10-25
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公开(公告)号： US07036248B2公开(公告)日： 2006-05-02
- 发明人: Rian Scot Meyeres , Kristen Dawn Cadman Bishop
- 申请人： Rian Scot Meyeres , Kristen Dawn Cadman Bishop
- 申请人地址： US IL Moline
- 专利权人： Deere & Company
- 当前专利权人： Deere & Company
- 当前专利权人地址： US IL Moline
- 代理机构： The Law Office of Randall T. Erickson, P.C.
- 主分类号： E01H5/04
- IPC分类号： E01H5/04 ; B60K26/00
摘要：
A backhoe control pattern selection arrangement is provided for a backhoe controlled by two control levers. The two levers are operatively connected to hydraulic systems that operate the boom and crowd hydraulic cylinders. An electrically operated valve block is electrically connected to a source of power and to a control switch, and hydraulically connected to the hydraulic systems. Changing the state of the control switch actuates the valve block and modifies the hydraulic systems to reverse the correspondence between the control levers and the boom and crowd functions.
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