Constant velocity ratio universal joints

Details Constant velocity ratio universal joints Constant velocity ratio universal joints

F - Mech Eng,Light,Heat,Weapons

16

D

64/14

F16D 3/24 (2006.01) F16D 3/205 (2006.01)

Patent

CA 2003631

ABSTRACT CONSTANT VELOCITY RATIO UNIVERSAL JOINTS A constant velocity ratio universal joint of the tripod type, comprising an outer joint member (10) with three guide grooves (20), and an inner joint member with arms (13) each carrying a roller (21) which is able to rotate about, slide lengthwise of, and tilt relative to the arm, wherein both the external surface (22) of the roller and each side portion of a guide groove (20) engaged thereby is of a gothic arch cross sectional shape to provide for angular contact between roller and guide groove and improve the guidance of the roller so that it remains aligned in the groove for rolling therealong. The gothic arch section of the roller and/or guide groove side may comprise arcuate portions with different centres of curvature, or part-elliptical or part-involute portions.

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