PRESSING DEVICE FOR TOROIDAL CONTINUOUSLY VARIABLE TRANSMISSION

Title:

PRESSING DEVICE FOR TOROIDAL CONTINUOUSLY VARIABLE TRANSMISSION

Document Type and Number:

WIPO Patent Application WO/2019/098105

Kind Code:

A1

Abstract:

[Problem] To achieve a structure with which it is possible to prevent the formation of a thin-walled portion having a small wall thickness on a cam plate. [Solution] A cylindrical portion 14 which is a constituent of a cam plate 11 includes a circular tube portion 17 and a stepped surface 38 facing in an axial direction, and also includes a ridge 18 provided in such a way as to project radially inward from an inner circumferential surface of an axial direction end portion of the circular tube portion 17, and an oil feed passage 19 which penetrates through the cylindrical portion 14 in the radial direction. The oil feed passage 19 is configured from an oil hole 21 allowing an outer peripheral surface and the inner circumferential surface of the circular tube portion 17 to communicate with one another, and an oil groove 22 provided in such a way as to be recessed into the stepped surface 38 in the axial direction.

Inventors:

KITA MASAHIRO (JP)
MATSUDA KIPPEI (JP)
IMAI HIDEYUKI (JP)
TANAKA KENICHIRO (JP)

Application Number:

PCT/JP2018/041349

Publication Date:

May 23, 2019

Filing Date:

November 07, 2018

Export Citation:

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Assignee:

NSK LTD (JP)
KAWASAKI HEAVY IND LTD (JP)

International Classes:

F16H15/38; F16H57/04

Foreign References:

US6176806B1	2001-01-23
JPH06147283A	1994-05-27
JPS6271465U	1987-05-07

Other References: