Four-wheel drive automotive vehicle

Motor vehicles – Having four wheels driven – With differential means for driving two wheel sets at...

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Details

180247, B60K 504

Patent

active

046357440

ABSTRACT:
A four-wheel drive automotive vehicle comprises an engine having a crank shaft extending in a transverse direction of a vehicle body, a transmission having a speed change mechanism between an input shaft and an output shaft arranged so as to extend in a transverse direction of the vehicle body within a transaxle case, a final reduction gear arranged substantially in a coaxial relationship to either a front shaft or a rear shaft within the transaxle case and driven by the output shaft of the transmission, a differential device for front and rear wheels, having a pair of side gears arranged substantially in a coaxial relationship to either the front shaft or the rear shaft and at least two pinion gears driven by the final reduction gear and provided within the housing connected to the transaxle case, the pinion gears engaging the side gears, a differential device for either the front shaft or the rear shaft having at least two pinion gears connected to one of the pair of side gears of the differential device for the front and rear wheels and a pair of side gears engaging the pinion gears and joined to either the front shaft or the rear shaft, a first transfer gear for rotating together with the other side gear of the differential device for changing a rotation direction of drive power of the first transfer gear into a different direction at a right angle thereby to drive the differential device for the wheels at the other shaft.

REFERENCES:
patent: 2107072 (1938-02-01), Herrington
patent: 2853890 (1958-09-01), Kelbel
patent: 3548630 (1970-12-01), Crooks
patent: 3993152 (1976-11-01), Fogelberg
patent: 3999447 (1976-12-01), Halberg
patent: 4040309 (1977-08-01), Wood et al.
patent: 4215593 (1980-08-01), Shono et al.
patent: 4476953 (1984-10-01), Hiraiwa

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