TRANSMISSION FOR WORKING MACHINE

PURPOSE:To simplify speed-change operation, in a transmission for an agricultural machine or the like, by juxtaposing two systems of transmission belts and making one of them to be reversely transmittable, and also by contriving it in such a way that when a movable divided-pulley is brought near to...

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Bibliographische Detailangaben
1. Verfasser:	NAMIKAWA YASUHIDE
Format:	Patent
Sprache:	eng
Schlagworte:	AGRICULTURE ANIMAL HUSBANDRY 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 BLASTING ENGINEERING ELEMENTS AND UNITS FERTILISING FISHING FORESTRY GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING HUMAN NECESSITIES HUNTING INSTRUMENTATION OR DASHBOARDS FOR VEHICLES LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS PLANTING SOWING THERMAL INSULATION IN GENERAL TRANSPORTING TRAPPING VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	PURPOSE:To simplify speed-change operation, in a transmission for an agricultural machine or the like, by juxtaposing two systems of transmission belts and making one of them to be reversely transmittable, and also by contriving it in such a way that when a movable divided-pulley is brought near to a fixed half pulley on one side, it is drawn apart from a fixed half pulley on the other side. CONSTITUTION:When an operating lever (not shown) is operated to the neutral position, a movable divided-pulley 17 is positioned in the central position between first and second fixed half pulleys 12, 13, and the belt-pressedly-holding distance of the first driving pulley 18 and that of the second driving pulley 23 become wider than the belt width, so that both of the transmission belts 20 and 25 do not transmit power. When the movable divided-pulley 17 is brought near to either of the fixed half pulley 18 or 23, the transmission belt 20 or 25 to which the pulley 17 is brought near is driven, and on the other side, the distance between the movable pulley 17 and the fixed half pulley 13 or 12 becomes wide, so that the transmission belt 25 or 20 is not driven. And a reversing transmission 22 is connected to the system of the second transmission belt 25 to reverse the driving direction.