SLIDING TYPE CONSTANT VELOCITY UNIVERSAL JOINT

Title:

SLIDING TYPE CONSTANT VELOCITY UNIVERSAL JOINT

Document Type and Number:

WIPO Patent Application WO/2017/145844

Kind Code:

A1

Abstract:

The present invention relates to a sliding type constant velocity universal joint (1, 51) wherein a stationary type constant velocity universal joint section (2, 52) is inserted and fitted in an outer cylinder member (3), the stationary type constant velocity universal joint section (2, 52) being constituted by an outer joint member (6, 56), an inner joint member (7, 57), a plurality of torque transmission balls (8, 58), and a retainer (9, 59) which is disposed between the outer joint member (6, 56) and the inner joint member (7, 57) and which retains the torque transmission balls (8, 58). A ball spline section (4) is formed between the inner peripheral surface (24) of the outer cylinder member (3) and the outer peripheral surface (25, 75) of the outer joint member (6, 56), and the ball spline section (4) is formed such that balls (28) are retained by a ball spline retainer (29) disposed between the inner peripheral surface (24) of the outer cylinder member 3 and the outer peripheral surface (25, 75) of the outer joint member (6, 56). The sliding type constant velocity universal joint (1, 51) is provided with a center alignment mechanism (S) for restricting the amount of axial movement of the ball spline retainer (29) to half the amount (W) of relative axial movement between the outer cylinder member (3) and the stationary type constant velocity universal joint section (2, 52).

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Inventors:

KOBAYASHI TOMOSHIGE (JP)
GOTO TATSUHIRO (JP)

Application Number:

PCT/JP2017/005184

Publication Date:

August 31, 2017

Filing Date:

February 13, 2017

Export Citation:

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Assignee:

NTN TOYO BEARING CO LTD (JP)

International Classes:

F16D3/227; F16D3/06; F16D3/20; F16D3/2245

Foreign References:

JP2009510372A	2009-03-12
US20030073503A1	2003-04-17
US20020068637A1	2002-06-06
US5112197A	1992-05-12
JPH0398333U	1991-10-11
JPH022529U	1990-01-09

Attorney, Agent or Firm:

SHIROMURA Kunihiko et al. (JP)

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