To provide a gangplank device with excellent durability, which can absorb tilts in a horizontal direction toward an advancing direction between an upper surface of a box and the other flat surface which are connected to each other through a gangplank, and can be used in a large-sized vehicle.SOLUTION: A gangplank device 1 connects an upper surface 8 of a box 2 to the other flat surface 3. The gangplank device 1 comprises a gangplank main body 4 and engagement means 12 that engages a side 11 of the box with a side of the gangplank main body. The engagement means 12 is constituted of a bearing part of the side 11 of the box and a movement part of the side of the gangplank main body. At least either of the bearing part and the movement part has a circular-arc engagement part with a radius R parallel to the side 11 of the box. With the movement part borne by the bearing part through the circular-arc engagement part, the movement part is guided by the circular-arc engagement part to further move, so that the gangplank main body 4 can turn with respect to the box 2.SELECTED DRAWING: Figure 6
【課題】 渡り板で連絡しようとする箱体の上面と他平面と間における進行方向に向かって左右の傾きを吸収することができ、大型車両にも使用できるとともに、耐久性に優れた渡り板装置を提供する。【解決手段】 箱体2の上面8と他平面3との間を連絡する渡り板装置1であって、当該渡り板装置1は、渡り板本体4と、箱体側面11と渡り板本体側面とを係合する係合手段12と、を備え、当該係合手段12は、前記箱体側面11の支承部と、前記渡り板本体側面の移動部と、から構成され、前記支承部と前記移動部のうち少なくとも一方が、前記箱体側面11に平行な半径Rの円弧状係合部を有しており、当該円弧状係合部を介して前記移動部が前記支承部に支承された状態で、さらに前記円弧状係合部にガイドされて前記移動部が移動することにより、前記渡り板本体4が前記箱体2に対し回動可能なことを特徴とする。【選択図】 図6
GANGPLANK DEVICE
渡り板装置
2022-03-24
Patent
Elektronische Ressource
Japanisch
IPC: | B60S SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR , Warten, Reinigen, Instandsetzen, Unterstützen, Anheben oder Rangieren von Fahrzeugen, soweit nicht anderweitig vorgesehen |
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