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    • 5. 发明授权
    • Snow blower augers and impellers
    • SNOW BLOWER AUGERS和IMPELLERS
    • US5209003A
    • 1993-05-11
    • US787493
    • 1991-11-04
    • LeRoy MaxfieldDonald H. VerhoffDavid R. Church
    • LeRoy MaxfieldDonald H. VerhoffDavid R. Church
    • E01H5/09
    • E01H5/09E01H5/098
    • An auger type snow blower assembly having an auger with two sets of rotating ribbon spokes which transfer snow from the auger to an impeller inlet located at the mid-portion of the auger assembly, the ribbon spokes terminating a substantial distance short of the center of the auger assembly whereby snow lying directly in the center of the path of the auger assembly may move directly to the impeller inlet without contact with the ribbons. Further, the ribbons revolve around a generally cone-shaped structure at the ends of the auger assembly whereby the ribbons and the stationary cones cooperate to impel snow entering the auger assembly toward the impeller inlet. The auger assembly further includes a bi-directional, variable speed hydraulic drive system for the ribbon system consisting of variable forward speeds and reverse speeds, the forward speeds including a low ribbon speed high torque speed, and a high ribbon speed low torque speed, together with pressure relief valves to avoid the use of shear pins. The impeller is lined with UHMW polyethylene plastic to provide very low friction between the snow and the components of the impeller which come in contact with the snow.
    • 6. 发明授权
    • Tag axle pivot
    • 标签轴枢轴
    • US5897123A
    • 1999-04-27
    • US924107
    • 1997-09-05
    • Mark J. CherneyRobert W. WallinDonald H. VerhoffDavid W. Archer
    • Mark J. CherneyRobert W. WallinDonald H. VerhoffDavid W. Archer
    • B60G1/00B60P3/16B60G11/26
    • B60P3/16B60G1/00B60G2204/47B60G2300/03B60G2300/40B60G2300/402B60G2400/61
    • The present invention provides a work vehicle having a frame and an auxiliary axle system having an arm assembly including a pair of arms, an elongate tube extending between the arms and having an end attached to each of the arms, a pair of levers attached to the tube, and cylinder blocks extending between the levers; a cylinder assembly including a first cylinder shaft extending between the cylinder blocks and having an end attached to each of the cylinder blocks, a cylinder cross member attached to the frame, a second cylinder shaft attached to the cylinder cross member, and a hydraulic cylinder having one end attached to the first cylinder shaft and another end attached to the second cylinder shaft; and a rear assembly including a rear cross member attached to the frame, a pair of pivot blocks attached to the rear cross member, and a pivot shaft extending between the pivot blocks and having an end attached to each of the cylinder blocks. The arm assembly is pivotally mounted to the rear assembly and is actuated by the cylinder assembly.
    • 本发明提供了一种具有框架和辅助轴系统的工作车辆,其具有臂组件,该臂组件包括一对臂,在臂之间延伸并具有连接到每个臂的端部的细长管,附接到所述臂的一对杆 管和在杆之间延伸的气缸体; 气缸组件,其包括在气缸体之间延伸并且具有连接到每个气缸体的端部的第一气缸轴,附接到框架的气缸横向构件,附接到气缸横向构件的第二气缸轴,以及液压缸, 一端连接到第一气缸轴,另一端连接到第二气缸轴; 以及后组件,其包括附接到所述框架的后横向构件,附接到所述后横向构件的一对枢转块以及在所述枢转块之间延伸并且具有附接到每个所述气缸体的端部的枢转轴。 臂组件枢转地安装到后组件并由气缸组件致动。