B - Operations – Transporting – 60 – S
Patent
B - Operations, Transporting
60
S
B60S 9/20 (2006.01) A01D 34/64 (2006.01)
Patent
CA 2190411
A turn assisting mechanism assists a turning motion of a vehicle, such as a lawn mowing vehicle, so that the vehicle may not damage the ground (lawn grass, crops, etc.) when the vehicle makes a U-turn. The turn assisting mechanism is disposed near a wheel of the vehicle nearest to the center of turning of the vehicle about which the vehicle makes a U-turn. The turn assisting mechanism stretches out the rod of a hydraulic cylinder actuator to set a ground contact unit on the ground and lifts up the wheel nearest to the center of turning of the vehicle. When the vehicle makes a U-turn, the hydraulic cylinder actuator sets the ground contact unit on the ground so that the axis of turning of the ground contact unit passes the center of turning of the vehicle, and lifts up the corresponding wheel from the ground. The vehicle makes a U-turn on the ground contact unit without damaging the ground.
Cette invention concerne un mécanisme d'aide à la manoeuvre en virage d'un véhicule, une tondeuse ou faucheuse par exemple. Ce mécanisme a pour objet de protéger le sol )pelouse, terre cultivée, etc.) contre l'effet destructeur des roues à l'occasion d'un virage demi-tour. Il est disposé à proximité d'une des roues les plus proches du centre de giration autour duquel s'effectuera le demi-tour. Il comporte un vérin hydraulique dont la tige piston sort pour prendre appui sur le sol et soulever la roue la plus rapprochée du centre de giration du véhicule. Lorsque celui-ci fait un virage en U, le vérin hydraulique applique la tige piston contre le sol de façon que l'axe de rotation de celle-ci soit au-delà du centre de giration du véhicule pour forcer le soulèvement de la roue correspondante. Ainsi, le véhicule tourne autour du point d'appui au sol de la tige piston, sans endommager le sol.
Fuji Jukogyo Kabushiki Kaisha
Riches Mckenzie & Herbert Llp
LandOfFree
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