| 摘要 |
A speed change operating structure for a hydrostatic continuously variable speed-change apparatus of a work vehicle includes: a speed change pedal for effecting a speed-changing operation of the hydrostatic continuously variable speed-change apparatus, the speed change pedal being urged in a direction toward its neutral position; a speed-maintaining lever disposed adjacent a lateral side of a driver's seat included in the work vehicle; a retaining member 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 movable in a first direction and a second direction opposite to the first direction, in association with an operation of the speed change pedal, the restraining member being engageable with the retaining member at a plurality of positions, an engagement between the restraining member and the retaining member preventing movement of the speed change pedal in the direction toward the neutral position thereof.
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