Worm-gear assembly having a pin raceway

Details Worm-gear assembly having a pin raceway Worm-gear assembly having a pin raceway

F - Mech Eng,Light,Heat,Weapons

16

H

F16H 1/16 (2006.01)

Patent

CA 2638016

A worm-gear assembly including a worm screw ()280 having at least one groove ()280a and a wheel (275) having a plurality of rotatable pins (75a) along its periphery for engaging the worm screw. The pins are able to rotate in a direction other than a direction of wheel rotation. At least one raceway (265) is provided for contacting pins that are not engaged with the worm screw during operation of the assembly.

Ensemble engrenage à vis sans fin comprenant une vis sans fin (280), comportant au moins une rainure (280a), et une roue (275), comportant le long de sa périphérie une pluralité de clavettes pouvant tourner (275a) pour s'engrener avec la vis sans fin. Les clavettes sont capables de tourner dans une direction différente de la direction de rotation de la roue. Au moins un chemin de roulement (265) est prévu pour être au contact des clavettes qui ne sont pas engrenées avec la vis sans fin pendant le fonctionnement de l'ensemble.

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