DRIVING GEAR ARRANGEMENT FOR SWITCHING ON/OFF FOUR WHEEL DRIVING GEAR FOR VEHICLE,PARTICULARLY TRACTOR,AND METHOD THEREOF

PURPOSE: To provide four-wheel vs. two-wheel drive switching device for preventing a danger of a twist of a driving system of a four-wheel drive tractor. CONSTITUTION: Output direction switches are disposed in a driving system to rear wheels 3 and a driving system to front wheels 5 to prevent a twis...

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Bibliographische Detailangaben
Hauptverfasser:	HANSU YURUGEN RANGEN, KURAUSU KEMUPUFU
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES AUXILIARY DRIVES FOR VEHICLES INSTRUMENTATION OR DASHBOARDS FOR VEHICLES PERFORMING OPERATIONS TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	PURPOSE: To provide four-wheel vs. two-wheel drive switching device for preventing a danger of a twist of a driving system of a four-wheel drive tractor. CONSTITUTION: Output direction switches are disposed in a driving system to rear wheels 3 and a driving system to front wheels 5 to prevent a twist. At least one output direction switch is combined with a switching clutch 7. When a twist moment is confirmed, that is, a negative moment of the shape of a negative output direction is generated at one of drive axles, the drive of the axle is interrupted, and the drive is switched to a two-wheel drive. When towing becomes necessary, the interrupted axle is again engaged. The twist is effectively prevented in the system by this disposition. However, in the case of allowing it by circumstances, full-wheel drive is always engaged.