To enable an operator to be released from a compressed state even when the operator cannot unlock a clutch lever when compression is generated due to the rise of a handle.SOLUTION: A clutch lever 4 disposed above a handle lever 3 has a second posture for bringing a clutch 5 into a connected state in a state of approaching the side of the handle lever 3 from a first posture, and a third posture in a state of further approaching the side of the handle lever 3 from the second posture. In addition, by restricting the posture of the clutch lever 4 so that the clutch lever 4 is shifted to the third posture only when a load equal to or greater than a predetermined value is applied to the clutch lever 4, while providing a compression safety apparatus 10 for stopping a power source when it is detected that the clutch lever 4 is in the third posture, the clutch lever 4 is shifted to the third posture to stop the operation of the power source when an operator is caught between an obstacle behind the operator and the clutch lever 4 and is caught by the clutch lever 4.SELECTED DRAWING: Figure 1

    【課題】ハンドル上昇による挟圧が生じたときに、作業者がクラッチ杆を解除できない状態であっても挟圧状態から作業者を解放できるようにする。【解決手段】ハンドル杆3の上方に配置されたクラッチ杆4が、第1姿勢からハンドル杆3の側に近づいた状態でクラッチ5を接続状態にするための第2姿勢と、第2姿勢からハンドル杆3の側に更に近づいた状態の第3姿勢とを有する。そして、クラッチ杆4に対して所定値以上の荷重が付加されたときにのみクラッチ杆4を第3姿勢へと遷移させるようにクラッチ杆4の姿勢を規制する一方、クラッチ杆4が第3姿勢になったことを検知したときに動力源を停止させる挟圧安全装置10を備えることにより、作業者が背後の障害物とクラッチ杆4との間に挟まれてクラッチ杆4に作業者が挟まれる状態になると、クラッチ杆4が第3姿勢に遷移して動力源の動作が停止するようにする。【選択図】図1


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    Title :

    COMPRESSION SAFETY APPARATUS FOR WALKING TYPE WORK VEHICLE


    Additional title:

    歩行型作業車両用の挟圧安全装置


    Contributors:

    Publication date :

    2019-03-22


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / A01B SOIL WORKING IN AGRICULTURE OR FORESTRY , Bodenbearbeitung in Land- oder Forstwirtschaft / B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion / B62D MOTOR VEHICLES , Motorfahrzeuge



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