MULTISTAGE SPEED-CHANGE TOOL

PROBLEM TO BE SOLVED: To provide a multistage speed-change tool which can select a speed reduction ratio at three or more stages, and can cope with work in which load torque is abruptly varied while minimally suppressing a loss of a work time.SOLUTION: A reduction gear 2 having a plurality of speed-...

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Bibliographische Detailangaben
Hauptverfasser:	SEKINO FUMIAKI, ATSUMI MASATOSHI
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING ENGINEERING ELEMENTS AND UNITS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a multistage speed-change tool which can select a speed reduction ratio at three or more stages, and can cope with work in which load torque is abruptly varied while minimally suppressing a loss of a work time.SOLUTION: A reduction gear 2 having a plurality of speed-change stages which are switchable in reduction ratio by the slide of a moving member in the axial direction is arranged between a motor 1 and an output shaft, and a speed-reduction member 35 for sliding the moving member is arranged. By operating the speed-change member 35 and sliding the moving member, the reduction gear 2 can change speed from a first speed up to a third speed. Then, as a speed-change order of the reduction gear 2 by the speed-change member 35, there is arranged a second speed-change order for changing speed by skipping one speed or more in addition to the first speed-change order which sequentially changes speed in a one-by-one speed order.