Thrust bearing and toroidal type continuously variable...

Details Thrust bearing and toroidal type continuously variable... Thrust bearing and toroidal type continuously variable...

2005-06-21

2005-06-21

Joyce, William C. (Department: 3682)

Friction gear transmission systems or components

Friction gear includes idler engaging facing concave surfaces

Toroidal

C476S040000

Reexamination Certificate

active

06908410

ABSTRACT:
In a toroidal type continuously variable transmission, a power roller bearing that serves as a thrust bearing includes an inner race composed of a part of a power roller, an outer race opposed to the inner race, and balls arranged for rolling motion between the outer and inner races. The power roller is in rolling contact with input and output disks and pressed thereby in a thrust direction. An end face of the inner race is formed having a first raceway groove having an arcuate cross section and in contact with the balls. An end face of the outer race is formed having a second raceway groove having an arcuate cross section and in contact with the balls. The second raceway groove is shallower than the first raceway groove, and the center of each of the balls is situated nearer to the inner race than a center position between the respective end faces of the outer and inner races is.

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patent: 11-132301 (1999-05-01), None

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