Patent ID: 6412369
Filing Date: 2002-07-02
Classification: B60K,F16H,Y10T

Abstract:
Four-wheel vehicle drive system having a high-speed 2-wheel drive mode, a high-speed 4-wheel drive mode, and a low-speed 4-wheel drive mode, the transfer case comprising:a power receiving gear mechanism receiving power from an engine through a transmission; a rear wheel shaft gear mechanism for transmitting rotating force to rear wheels, the rear wheel shaft gear mechanism having a high speed section and a low speed section; a power transmitting gear mechanism for transmitting power from the power receiving gear mechanism to the rear wheel shaft gear mechanism; a front wheel shaft mechanism for selectively transmitting rotating force to front wheels; and a shift control device connected to the rear wheel shaft gear mechanism and the front wheel shaft mechanism to selectively power-couple the rear wheel shaft gear mechanism to the front wheel shaft gear mechanism and one of the high and low speed sections to the rear wheels.