Continuously variable transmission device

Details Continuously variable transmission device Continuously variable transmission device

2006-10-24

2006-10-24

Estremsky, Sherry (Department: 3681)

Planetary gear transmission systems or components

Planet pinion is friction gear

Variable speed ratio

Reexamination Certificate

active

07125359

ABSTRACT:
A continuously variable transmission device of the type having planetary members in rolling contact with radially inner and outer races each comprising axially spaced relatively axially movable parts, and control means for determining the axial separation of the parts of one of the two races, in which the planets are connected for planetary motion to a planet carrier by connection means which allows the radial position of the planets to vary in response to variation in the axial separation of the parts of the said one of the two races while maintaining the circumferential connection.

REFERENCES:
patent: 2209497 (1940-07-01), Winger et al.
patent: 3516305 (1970-06-01), Chery
patent: 3618423 (1971-11-01), Chery
patent: 3670595 (1972-06-01), Chery
patent: 3793910 (1974-02-01), Nasvytis
patent: 4158317 (1979-06-01), James
patent: 4424726 (1984-01-01), Galbraith
patent: 560276 (1932-09-01), None
patent: 99/35417 (1999-07-01), None

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