发明公开
EP0679330A3 Forage harvester having automatic shear bar adjustment mechanism including safety features
失效
饲料收割机与包括安全特性的剪力杆的自动调节。
- 专利标题： Forage harvester having automatic shear bar adjustment mechanism including safety features
- 专利标题（中）： 饲料收割机与包括安全特性的剪力杆的自动调节。
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申请号： EP95201868.7申请日： 1988-05-03
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公开(公告)号： EP0679330A3公开(公告)日： 1996-04-10
- 发明人: McClure, John R. , Strosser, Richard P. , Chow, Mark K. , Chow, Mark K. , Bohman, Carl E.
- 申请人： NEW HOLLAND BELGIUM N.V.
- 申请人地址： Léon Claeysstraat 3a B-8210 Zedelgem BE
- 专利权人： NEW HOLLAND BELGIUM N.V.
- 当前专利权人： NEW HOLLAND BELGIUM N.V.
- 当前专利权人地址： Léon Claeysstraat 3a B-8210 Zedelgem BE
- 代理机构： Vandenbroucke, Alberic
- 优先权： US46011 19870505
- 主分类号： A01F29/20
- IPC分类号： A01F29/20
摘要：
A forage harvester is provided having an adjustable shear bar (102) cooperable with a rotatable cutter head (100) to cut material passing therebetween, motor means (110, 112) for moving the shear bar (102) towards and away from the cutter head (100) and a control system (116) operable to energise the motor means (110, 112) for automatically adjusting the clearance between the shear bar (102) and the cutter head (100). The control system (116) comprises means for sensing the magnitude of current flowing through the motor means (110, 112) and de-energising these motor means (110, 112) if the magnitude of current is above or below a predetermined range for a predetermined interval of time.
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