Mazda Motor Corporation

Origin Electric Company, Limited

Hiroaki Hayashi

Hitoshi Akutagawa

Tomoo Sawazaki

Takeshi Fujii

Masaru Shiraishi

Akira Hashimoto

Hiroji Sasaki

Masayoshi Shigemasa

Shinya Okumura

Kazuyuki Shiino

Akinobu Yamagata

Kazuyuki Ishida

Masatoshi Hamano

Ichirou Itou

Yoichi Hiraoka

By respectively abutting first and second outer diameter sections of a second metallic member against first and second inner diameter sections of a first metallic member, and energizing the first metallic member and the second metallic member using a pair of electrodes while pressurizing both metallic members in an axial direction thereof, a first junction where the first inner diameter section and the first outer diameter section are bonded and a second junction where the second inner diameter section and the second outer diameter section are bonded are formed between both metallic members, and a gap in which the metals do not come into contact with each other is formed between both junctions over a predetermined axial length. Accordingly, a high joint strength can be secured using less energy for bonding.

Method of bonding metallic members, and metallic bonded body

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.

Transfer case for four wheel drive vehicle

A four-wheel drive automobile has a driving system which includes a transversely oriented engine unit, a transmission having input and output shafts which extend transversely of the car body, an inter-axle differential gear mechanism, front and rear inter-wheel differential gear mechanisms, and a differential gear lock mechanism. The inter-axle differential gear mechanism, the front inter-wheel differential gear mechanism and the differential gear lock mechanism are arranged coaxially with one another. The differential gear lock mechanism is provided in a part of said inter-axle differential gear mechanism which is positioned at a side of the front differential gear mechanism so that the front differential gear mechanism is located between inter-axle differential gear mechanism and the differential gear lock mechanism.

Four-wheel drive automobile

Growing community of inventors

Hiroshima, Japan

Hiroaki Hayashi