VARIABLE-RATIO GEAR TRANSMISSION

A toothed body of generally conical shape, on an output shaft, is engaged by one of two constantly meshing pinions whose mate slides on a driven input shaft. The teeth of the body form several axially adjoining zones which may be successive turns of a helicoidal spiral, or a succession of coaxial ar...

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Bibliographische Detailangaben
Hauptverfasser:	ALEXEEV K,US, ALEXEEV A,US
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING ENGINEERING ELEMENTS AND UNITS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING LIGHTING MECHANICAL ENGINEERING TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A toothed body of generally conical shape, on an output shaft, is engaged by one of two constantly meshing pinions whose mate slides on a driven input shaft. The teeth of the body form several axially adjoining zones which may be successive turns of a helicoidal spiral, or a succession of coaxial arcuate shoulders of progressively increasing diameter separated by eccentric ramps of intermediate curvature. The two pinions are mounted on a carriage, swingable about the input shaft, with the off-axial pinion biased into permanent engagement with the toothed body. At least in the case of a helicoidally spiraling track, a worm drive coupled with the output shaft causes a continuous axial displacement of the carriage during rotation of the input shaft to provide a substantially continuously changing transmission ratio.