To provide a handle for a flap door of a dump truck which reduces a weight load of the flap door with respect to an automatic door opening and closing mechanism upon unlocking of an unlocking device, reduces a load upon release operation of the flap door and prevents accident due to urgent fall-down of the flap door.SOLUTION: A handle 22 for a flap door of a dump truck, in the flap door 5 provided so as to be openable upward, which is provided on the rear surface of the flap door, has: an automatic opening and closing mechanism which connects a loading space 4 with the flap door while supporting the weight of the flap door, and opens and closes the flap door in conjunction with a tilting operation of the loading space; and an unlocking device which can manually release the flap door by unlocking the conjunction function with the loading space by releasing the support of the weight of the flap door on the automatic opening and closing mechanism.SELECTED DRAWING: Figure 4
【課題】解除装置の解除時における自動開閉機構に対する煽戸の重量負荷を軽減し、煽戸の解放動作時の負担を軽減すると共に、煽戸の急な倒れ込みによる事故を防止する。【解決手段】上開き可能に設けられてなる煽戸5において、前記煽戸の重量を支持しながら荷箱4と前記煽戸との間を連結すると共に、前記荷箱の傾動動作に連動して前記煽戸を開閉する自動開閉機構、及び前記自動開閉機構における前記煽戸の重量の支持を解放することにより前記荷箱との連動機能を解除して前記煽戸を手動で解放可能とする解除装置を有する前記煽戸の後面に設けられたダンプトラックの煽戸用取手22である。【選択図】図4
HANDLE FOR FLAP DOOR OF DUMP TRUCK AND DUMP TRUCK
ダンプトラックの煽戸用取手、およびダンプトラック
2022-12-07
Patent
Electronic Resource
Japanese
IPC: | B60P Fahrzeuge zum Transport von Lasten oder zum Befördern, Tragen oder Aufnehmen besonderer Lasten oder Gegenstände , VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS |
Dump truck body, dump truck components, dump truck body support structure
European Patent Office | 2021
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