Power roller bearing for troidal type continuous variable transm

Details Power roller bearing for troidal type continuous variable transm Power roller bearing for troidal type continuous variable transm

1998-09-22

2000-07-04

Fenstermacher, David M.

Friction gear transmission systems or components

With lubrication

476 40, 384614, F16H 5704

Patent

active

060831375

ABSTRACT:
A power roller for a toroidal type continuous variable transmission system comprises a trunnion having a central shaft, a bearing outer race connected to the trunnion, one face of which is provided with a first track groove concentric with the central shaft, a power roller rotatably mounted on one end portion of the central shaft, the power roller having a face opposing to the one face of the bearing outer race, the face being provided with a second track groove concentric with the central shaft, a plurality of rolling elements retained between the bearing outer race and the power roller and capable of rotating within a track formed by the first track groove and the second track groove, and a disk-like cage coaxially disposed between the bearing outer race and the power roller and rotatable about the central shaft, the cage including a plurality of through pockets for accommodating the rolling elements therein so as to retain the rolling elements within the track, the pockets being arranged at regular intervals in the circumferencial direction thereof, wherein the cage being capable of absorbing movement to which the rolling elements is subjected via the trunnion and the bearing outer race in a radial direction thereof.

REFERENCES:
patent: 899563 (1908-09-01), Riebe
patent: 1242911 (1917-10-01), Beemer
patent: 1246001 (1917-11-01), Fox et al.
patent: 5391126 (1995-02-01), Fukushima et al.
patent: 5575733 (1996-11-01), Machida et al.
patent: 5830103 (1998-11-01), Itoh et al.

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