RATCHET GEAR

FIELD: mechanical engineering. ^ SUBSTANCE: invention relates to ratchet gears designed to reduce speed of rotation at constant gear ratio. Proposed ratchet gear contains post, driven ratchet wheel, drive shaft with cams profiled to curve close to Archimedean spiral and installed in opposite phase,...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	VOLKOV GLEB JUR'EVICH, BUTAKOV MIKHAIL MIKHAJLOVICH
Format:	Patent
Sprache:	eng ; rus
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:	FIELD: mechanical engineering. ^ SUBSTANCE: invention relates to ratchet gears designed to reduce speed of rotation at constant gear ratio. Proposed ratchet gear contains post, driven ratchet wheel, drive shaft with cams profiled to curve close to Archimedean spiral and installed in opposite phase, pushers with fitted on antifriction bearing whose inner race encloses corresponding cam, and pawls hinge-coupled with pushers and engaging with ratchet wheel. Axes of drive and driven shafts cross at right angle. Pushers are made in form of sliders constantly resting by their planes of plane square to axis of drive shaft. ^ EFFECT: reduced weight and overall dimensions, increased load capacity, improved smoothness of operation of ratchet mechanism. ^ 10 cl, 7 dwg