To provide a self-propelled working vehicle, a parking brake of which properly turns into an operating state.SOLUTION: A self-propelled working vehicle includes a rear-wheel unit 2 having a left rear-wheel and a right rear-wheel, a variable travel power supply unit PSU to supply rotational power independently to the left rear-wheel and the right rear-wheel, a left operation tool 12a to adjust speed of rotational power to be supplied to the left rear-wheel according to a deviation along a first route, a right operation tool 12b to adjust speed of rotational power to be supplied to the right rear-wheel according to a deviation along a second route, a parking brake 16 provided on the variable travel power supply unit PSU, and a parking brake operation part 70 to respond to a deviation to a third route branched from the first route of the left operation tool 12a and a deviation to a fourth route branched from the second route of the right operation tool 12b and thereby to operate the parking brake 16.SELECTED DRAWING: Figure 3

    【課題】適切にパーキングブレーキが作動状態となる自走作業車を提供する。【解決手段】自走作業車は、左後輪と右後輪とを有する後輪ユニット2と、左後輪と右後輪とに独立して回転動力を供給する可変走行動力供給ユニットPSUと、第1経路に沿った変位によって左後輪に供給される回転動力の速度を調節する左操作具12aと、第2経路に沿った変位によって右後輪に供給される回転動力の速度を調節する右操作具12bと、可変走行動力供給ユニットPSUに設けられたパーキングブレーキ16と、左操作具12aの第1経路から分岐した第3経路への変位かつ右操作具12bの第2経路から分岐した第4経路への変位に応答してパーキングブレーキ16を作動させるパーキングブレーキ作動部70を備える。【選択図】図3


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    Title :

    SELF-PROPELLED WORKING VEHICLE


    Additional title:

    自走作業車


    Contributors:

    Publication date :

    2022-10-13


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF



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