Friction gear transmission systems or components – Friction gear includes idler engaging facing concave surfaces – Toroidal
Reexamination Certificate
2005-04-05
2005-04-05
Joyce, William C. (Department: 3682)
Friction gear transmission systems or components
Friction gear includes idler engaging facing concave surfaces
Toroidal
C476S040000
Reexamination Certificate
active
06875151
ABSTRACT:
A toroidal-type continuously variable transmission has an input disk, an output disk, a pressing device for pressing said first disk toward said second disk, a plurality of trunnions having a pair of first support shafts for supporting a plurality of power rollers, a pair of support plates for supporting the first pivot shafts of each of the trunnions; and a pair of swing brackets each including a second pivot shaft parallel to the first pivot shaft of the trunnion, the swing brackets being respectively supported so as to be swingable about the second pivot shafts with respect to the support plates. The first pivot shafts of the trunnion are respectively supported so as to be swingable with respect to the support plates through the swing brackets.
REFERENCES:
patent: 1715045 (1929-05-01), Richer
patent: 4964312 (1990-10-01), Kraus
patent: 6375593 (2002-04-01), Miyata et al.
patent: 20010018383 (2001-08-01), Sugihara et al.
patent: 62-71465 (1987-05-01), None
patent: 1-173552 (1989-12-01), None
patent: 9-269039 (1997-10-01), None
Imanishi Takashi
Machida Hisashi
Joyce William C.
NSK Ltd.
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