Mazda Motor Corporation

Ichirou Itou

Masaru Shiraishi

Hiroaki Hayashi

Yoichi Hiraoka

In a transfer case for a four-wheel drive vehicle having a front wheel drive axle assembly which includes a first wheel drive axle shaft arranged in parallel to the engine output shaft and connected to a transmission output shaft through a first helical ring gear meshed with the transmission output gear and a second wheel drive axle assembly which includes a second wheel drive axle arranged in parallel to the engine output shaft and connected to a transfer case through a transfer shaft arranged in parallel to the engine output shaft and equipped with a transfer input gear meshed with a second helical ring gear, the first and second helical ring gears are integrally formed as an integral ring gear and bolted to a differential housing as one whole.

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Hiroshima, Japan

Ichirou Itou