Patent · US Expired

Toroidal continuously variable transmission

US6123641A · kind A · utility

3Cited by
10References
3Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 30, 1999
Grant dateSep 26, 2000
Priority date
Expiry dateJun 30, 2019

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16H61/664
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

Lateral wear of a contact position of a cam face of a precess cam which displaces in response to the gyrational state of a power roller and a cam follower which is provided on a feedback link is reduced. The cam follower (55) which contacts with the cam face (54) of the precess cam (52) is mounted on the feedback link (53) and the cam follower (55) comprises a three-dimensional curve such a rotating barrel-shaped body. Even if the cam face (54) of the precess cam (52) inclines, the cam follower (55) is normally maintained in a stable contact state. In this way, wear is reduced and durability is increased.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.