PLUNGING-TYPE CONSTANT VELOCITY UNIVERSAL JOINT

Abstract: a plunging-type constant velocity universal joint includes outer and inner joint members having linear track grooves, balls, and a cage accommodating the balls in pockets. curvature centers of spherical outer and inner peripheral surfaces of the cage are offset toward opposite sides with respect to a joint center. a range between distances of 10 mm towards deep and opening sides from a center portion of a sliding range of the track groove of the outer member in the axial direction is a center range, and a region in which a pcd of the track grooves of the outer member becomes smallest is in the center range. a minimum value of a pcd clearance in the track grooves in the center range is from 0.010 mm to 0.100 mm. a pcd mutual difference of the track grooves of the outer member in the center range is 0.150 mm or less.

Inventor(s): Daiki SUZUKI, Tatsuro SUGIYAMA, Masazumi KOBAYASHI

CPC Classification: F16D3/227 (COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES)

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