Patent Number: 6,945,904

Title: Toroidal-type continuously variable transmission

Abstract: A toroidal-type continuously variable transmission has: an input shaft; an input disk and an output disk; a displacement shaft having a support shaft portion and a pivotal shaft portion; a trunnion having a support hole for supporting the support shaft portion; a first radial bearing supporting the support shaft portion within the support hole; a power roller having an insertion hole for receiving the pivot shaft portion; a second radial bearing supporting the pivot shaft portion within the insertion hole; and a thrust bearing including an outer ring and rolling elements, wherein a first bottom plate portion is provided at the support hole so as to close an opening of the support hole, a second bottom plate portion is provided at the insertion hole so as to close an opening of the insertion hole; and the displacement shaft and the outer ring are formed integrally with each other.

Inventors: Ishikawa; Kouji (Kanagawa, JP), Sato; Yutaka (Kanagawa, JP)

Assignee: NSK Ltd.

International Classification: F16H 15/32 (20060101); F16H 15/38 (20060101); F16H 015/38 ()

Expiration Date: 09/20/2022