| 摘要 |
PURPOSE:To perform control action automatically without using a controller by providing torque transmitting mechanisms utilizing centrifugal force over right and left output shafts and a cross shaft respectively. CONSTITUTION:During travel in low speed, torque is not transmitted with a torque transmitting mechanism 11 between a cross shaft 7 and output shafts 10 for becoming the same as an ordinary differential gear device and revolution speed on an output shaft 10 loaded heavily becomes low to be able to turn smoothly. Again, during travel in high speed, torque is transmitted between the cross shaft 7 and output shafts 10 with the mechanism 11 for becoming right and left output shafts 10, 10 in a condition of connected together integrally, therefore even if loads acting on right and left output shafts 10 is different, the both rotate on same rotation speed to improve straightness in advancing. Again, when one driving wheel enters into mud for slipping, one output shaft 10 on the wheel side rotates at high speed for being connected together the output shaft 10 and the cross shaft 7 with the torque transmitting device 11 to transmit torque to the slipping output shaft 10 for getting out of mud.
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