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    TILT LINKAGE ARRANGEMENT
    1.
    发明公开
    TILT LINKAGE ARRANGEMENT 失效
    倾斜连接安排

    公开(公告)号：EP0993528A1

    公开(公告)日：2000-04-19

    申请号：EP98937496.2

    申请日：1998-06-18

    申请人： Caterpillar Commercial SARL

    发明人： ANDERSON, Robert, S. ,  DENEVE, Jeffrey, A. ,  LOUGHRIN, Owen, S.

    IPC分类号： E02F3/28 ,  E02F3/34

    CPC分类号： E02F3/3408 ,  B66F9/065 ,  E02F3/283

    摘要： In the operation of a wheel loader, the linkage arrangement that mounts the bucket to the machine must provide components with adequate loading capabilities while maintaining good visibility to the bucket for an operator. The present linkage arrangement includes a tilt lever (172) with a pair of spaced side walls (178, 180) and a tilt link (176) with a pair of spaced side rails (200, 204). Each spaced side rail (200, 204) of the tilt link (176) has a pair of legs (208, 212, 216, 220), respectively, which straddle one of the pair of spaced side walls (178, 180) of the tilt lever (172) in a connection which improves visibility while processing superior strength capabilities.

    摘要翻译： 在轮式装载机的操作中，将铲斗安装到机器上的连杆装置必须为部件提供足够的装载能力，同时为操作员保持对铲斗良好的可见性。 本连杆装置包括具有一对隔开的侧壁（178,180）的倾斜杆（172）和具有一对间隔开的侧轨（200,204）的倾斜连杆（176）。 倾斜连杆（176）的每个间隔开的侧轨（200,204）分别具有一对腿（208,212,216,220），所述一对腿跨过所述一对间隔开的侧壁（178,180）中的一个， 倾斜杆（172）连接，以提高可见性，同时处理超强度的能力。

    BOX BOOM LOADER MECHANISM
    3.
    发明公开
    BOX BOOM LOADER MECHANISM 失效
    充电机构WITH A BOX形升降臂

    公开(公告)号：EP0993527A1

    公开(公告)日：2000-04-19

    申请号：EP98934970.9

    申请日：1998-06-18

    申请人： Caterpillar Commercial SARL

    发明人： DENEVE, Jeffrey, A. ,  LOUGHRIN, Owens, S. ,  MCMILLAN, Charles, T.

    IPC分类号： E02F3/28 ,  E02F3/34

    CPC分类号： E02F3/3408 ,  E02F3/283 ,  E02F3/34 ,  E02F9/0841

    摘要： The present invention includes a box boom loader mechanism (10) utilizing a box boom lift arm assembly (84) with a single plate steel top wall (96) and a bottom wall (120) connected with a non-transverse weld to a pair of single plate steel inner side walls (88, 92) to define a rectangular cross section therealong. The connection of the top and bottom walls (96, 120) and the inner side walls defines a bifurcated second end portion (176) straddling a central portion (38) of a frame (26) and being connected therewith. A tilt linkage means (318) is connected to the box boom lift arm assembly (84) and includes a tilt lever (322), tilt link (326) and tilt cylinder (410). The connection of the components of the tilt linkage means (318) achieves high visibility and optimal linkage performance. The connection of the bifurcated second end portion (176) to the frame (26) and the non-transverse weld improves strength and fatigue characteristics of the box boom loader mechanism without increasing the weight of the machine.

    STEERING SYSTEM
    4.
    发明公开
    STEERING SYSTEM 有权
    转向系统

    公开(公告)号：EP0932544A1

    公开(公告)日：1999-08-04

    申请号：EP98946395.0

    申请日：1998-08-20

    申请人： Caterpillar Commercial SARL

    发明人： HICKMAN, Alan, J. ,  WACHTER, David, C., Cat Forest Products Inc.

    IPC分类号： B62D12 ,  B62D61

    CPC分类号： B62D61/10 ,  B62D12/00

    摘要： A steering system (25) for an articulated steered mobile work machine (10) has a first sensor (66) for sensing the relative angular position of first and second machine sections (12, 14) and a second sensor (68) for sensing the relative angular position of second and a third machine sections (14, 16). A controller (70) determines for a sensed relative angle of the first and second machine sections (12, 14) the desired relative steering angle of the second and third sections (14, 16) and actuates a second control valve (42) to direct fluid flow to a second pair of fluid operated jacks (28) and pivot the third machine section (16) to a desired angular position relative to the second machine section (14). The second sensor (68) provides feedback as to the relative angular position of the second and third machine sections (14, 16).