Friction gear transmission systems or components – Friction gear is ball
Reexamination Certificate
2011-03-22
2011-03-22
Joyce, William C (Department: 3656)
Friction gear transmission systems or components
Friction gear is ball
C476S038000
Reexamination Certificate
active
07909727
ABSTRACT:
A continuously variable transmission (CVT) having a main shaft configured to support and position various components of the CVT. Shift cam discs cooperate with ball-leg assemblies to shift the transmission ration of the CVT. Load cam discs, a torsion disc, rolling elements, and a hub cap shell are configured to generate axial force, transmit torque, and manage reaction forces. In one embodiment, a splined input shaft and a torsion disc having a splined bore cooperate to input torque into the variator of the CVT. Among other things, various ball axles, axle-ball combinations, and reaction force grounding configurations are disclosed. In one embodiment, a CVT having axial force generation means at both the input and output elements is disclosed.
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Armstrong Oronde J
Dawe Daniel J
Lohr Charles B
Miller Donald C
Nichols Jon M
Fallbrook Technologies Inc.
Joyce William C
Knobbe Martens Olson & Bear LLP
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