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    • 1. 发明公开
    • 작업차의 변속 조작 구조
    • 工作车辆速度移动结构
    • KR1020070101762A
    • 2007-10-17
    • KR1020070019975
    • 2007-02-28
    • 가부시끼 가이샤 구보다
    • 마스모또고오지우시로겐조
    • B60K20/00B60K17/00B60W10/02
    • G05G1/46B60K17/10F16D2500/302G05G1/04G05G5/08Y10T74/2022
    • A shift operating structure for a work vehicle is provided to perform easily a speed-maintaining operation of a hydrostatic continuously variable transmission and to simplify a structure of a speed-maintaining unit. A shift operating structure for a work vehicle includes: a shift pedal(12) for performing a shift operation of the hydrostatic continuously variable transmission; a speed-maintaining unit maintaining the shift pedal at a desired forward shift position; a speed-maintaining lever(27) disposed adjacent a lateral side of a driver seat; a retaining member(29) displaceable by an operation of the speed-maintaining lever in an operational direction and in an opposite direction to the operational direction; and a restraining member(28) movable in a first direction and a second direction opposite to the first direction, in association with an operation of the shift pedal, the restraining member being engaged with the retaining member at a plurality of positions, and movement of the shift pedal in the direction toward the neutral position thereof is prevented by the engagement between the restraining member and the retaining member.
    • 提供了一种用于作业车辆的变速操作结构,用于容易地进行静液压无级变速器的速度保持操作,并且简化了速度保持单元的结构。 作业车辆的变速操作结构包括:用于执行静液压无级变速器的变速操作的换档踏板(12); 速度保持单元,将换档踏板保持在期望的前进档位; 设置在驾驶员座椅的侧面附近的速度保持杆(27); 保持构件(29)可通过操作方向和与操作方向相反的方向通过速度保持杆的操作而移动; 以及与所述换档踏板的操作相关联地沿第一方向和与所述第一方向相反的第二方向移动的限制构件(28),所述限制构件在所述多个位置处与所述保持构件接合,并且运动 通过限制构件和保持构件之间的接合来防止换档踏板朝向其中立位置的方向。