Motor vehicles – Having four wheels driven – With differential means for driving two wheel sets at...
Patent
1987-01-29
1988-03-08
Pekar, John A.
Motor vehicles
Having four wheels driven
With differential means for driving two wheel sets at...
192 352, 192 358, 3644241, B60K 1734, B60K 2308
Patent
active
047294507
ABSTRACT:
In a 2WD/4WD transmission system for a vehicle including a central differential device for variably differentiating rotational power between a pair of front wheels and a pair of rear wheels, and a clutch for selectively locking the differential device for positive four wheels driving, an anti torque shock device is incorporated therein, to suppress occurrence of shock due to a backlash in the differential device being abruptly cancelled when the transmission system was shifted from non condition of the transmission system and at least temporarily engaging the clutch to lock the differential device when the transmission system is shifted into the driving engagement.
REFERENCES:
patent: 3910388 (1975-10-01), Moori et al.
patent: 4452331 (1984-06-01), Lunn et al.
Fukumura Kagenori
Morisawa Kunio
Nakamura Yasunari
Yasue Hideki
Yoshizawa Kenichi
Pekar John A.
Toyota Jidosha & Kabushiki Kaisha
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