Crawler vehicle

B - Operations – Transporting – 62 – D

Patent

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Details

B62D 55/04 (2006.01) B62D 55/065 (2006.01) B62D 55/104 (2006.01) B62D 55/108 (2006.01) B62D 55/116 (2006.01) B62D 55/12 (2006.01) B62D 55/14 (2006.01)

Patent

CA 2214474

A crawler vehicle includes: a driving wheel fixed to a drive shaft which is rotatively driven by receiving a driving force, the driving wheel being adapted to rotate with the drive shaft; a front rolling wheel and a rear rolling wheel which are arranged at positions lower than the driving wheel in a longitudinal direction of a vehicle, respectively; a crawler wound around the driving wheel, the front rolling wheel, and the rear rolling wheel, and adapted to move in a winding direction as the driving wheel rotates; a fixed frame supported by a vehicle body in a state of being unrotatable about the drive shaft, the fixed frame being adapted to pivotally support the drive shaft; and a swingable frame for interconnecting the front rolling wheel and the rear rolling wheel and for pivotally supporting the front rolling wheel and the rear rolling wheel, the swingable frame being connected swingably to the fixed frame such that a swinging center axis of the swingable frame is located below the drive shaft.

Un véhicule à chenille comprend: une roue motrice fixée à un arbre de transmission qui est entraîné rotativement en recevant une force motrice, la roue motrice étant adaptée pour tourner avec l'arbre de transmission; une roue libre avant et une roue libre arrière posées à des positions inférieures à celle de la roue motrice dans le sens longitudinal du véhicule respectivement; une chenille passant autour de la roue motrice, de la roue libre avant et de la roue libre arrière, et adaptée pour se déplacer dans le sens de l'enroulement quand la roue motrice tourne; un châssis fixe supporté par la carrosserie du véhicule dans un état où il ne peut tourner autour de l'arbre de transmission, le châssis fixe étant adapté pour supporter de façon pivotante l'arbre de transmission; et un châssis articulé pour relier la roue libre avant et la roue libre arrière et pour supporter de façon pivotante la roue libre avant et la roue libre arrière, le châssis articulé étant relié de façon articulée au châssis fixe de manière que l'axe central d'articulation du châssis articulé soit situé sous l'arbre de transmission.

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