Oblon, Spivak, McClelland, Maier & Neustadt, P.C.
Drive system for automotive vehicle of front-and-rear wheel drive type
A drive system for an automotive vehicle of the front-and-rear wheel drive type, comprising a primary drive mechanism for drive of a set of front road wheels and an ancillary drive mechanism for drive of a set of rear roar wheels, wherein the front road wheels are driven by operation of the primary drive mechanism at a two-wheel drive mode and wherein the front and rear road wheels are driven by operation of both the primary and ancillary drive mechanisms at a four-wheel drive mode. In the drive system, a drive power applied to the primary road wheels is restricted to a predetermined value when the vehicle is driven by the primary and ancillary drive mechanisms at the front-and-rear wheel drive mode.
Toyoda Koki Kabushiki Kaisha
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Naoyuki Tadanobu Toshifumi Akihiro Seitoku
Sakai Kumagai Sakai Ohno Kubo