Motor vehicles – Including one or more ski-like or runner members – With at least one surface-engaging propulsion element
Patent
1988-02-22
1989-08-08
Pekar, John A.
Motor vehicles
Including one or more ski-like or runner members
With at least one surface-engaging propulsion element
3320312, 180142, 280 91, B62D 900
Patent
active
048544108
ABSTRACT:
A four-wheel steering system has a front wheel turning mechanism for turning front wheels in response to operation of a steering wheel, a rear wheel turning mechanism for turning rear wheels, a controller for controlling the rear wheel turning mechanism to turn the rear wheels according to preset four-wheel steering characteristics and a relay shaft which is connected to the controller to transmit turning of the front wheels to the controller. The front wheel turning mechanism and the rear wheel turning mechanism are caused to bring the front wheels and the rear wheels to the respective straight-ahead positions while the relay shaft is disconnected from the controller. Then the controller is brought into the state corresponding to the straight-ahead positions of the front and rear wheels on the basis of the preset four-wheel steering characteristics. Thereafter, the relay shaft is connected to the controller.
REFERENCES:
patent: 3596730 (1971-08-01), Cecce
patent: 4552239 (1985-11-01), Kanazawa et al.
patent: 4601357 (1986-07-01), Miyoshi et al.
patent: 4610328 (1986-09-01), Kanazawa et al.
patent: 4621702 (1986-11-01), Kanazawa et al.
Kanazawa Hirotaka
Mukai Yoshiaki
Nakashima Yasuhiro
Note Koushun
Okamizu Shigeo
Ferguson Jr. Gerald J.
Mazda Motor Corporation
Pekar John A.
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