Planetary gear transmission systems or components – Nonplanetary variable speed or direction transmission...
Reexamination Certificate
2005-08-22
2009-06-09
Le, David D. (Department: 3655)
Planetary gear transmission systems or components
Nonplanetary variable speed or direction transmission...
C475S295000, C475S302000
Reexamination Certificate
active
07544144
ABSTRACT:
A geared disk driven by a repositionable drive gear, with two independent and concurrent axes of rotation; both axes rotating and orbiting on one plane, about the transmission's central axis. The first axis of rotation being the gear's center. The second user-actuated axis of rotation concurrently varying its motive pivot point between the disk's center and edge, while concentrically transversing around the disk, to infinitely variably swing the disk gear. This variable swing motion is mechanically extracted and cycled through the transmission to progressively compound the combined motions to modify and sustain user-selected, infinitely variable, output speeds. Two interconnecting, clutch-free, geared-neutral, bidirectional, output mechanisms are included; one integrated within the transmission, and one separated from the transmission, to produce a continuously engaged, all-geared, complete range of transmission functions.
REFERENCES:
patent: 5259823 (1993-11-01), Coronel
patent: 6502472 (2003-01-01), Hewatt
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