Machine element or mechanism – Gearing
Reexamination Certificate
2007-03-06
2007-03-06
Lewis, Tisha (Department: 3681)
Machine element or mechanism
Gearing
C074S397000, C475S170000
Reexamination Certificate
active
10772751
ABSTRACT:
A variable gear ratio device featuring geared segments with variable gear ratio adapted for inclusion into mechanical machines, motors and pumps where there is a constant requirement for a variable transfer ratio for the variability and optimization of the load of torque that are formed by a driving shaft and driven shaft. The device features a plurality of engaged gears capable of eccentric rotation where the axis of rotation of the driven shaft is moved outside of the center axis of the driving eccentric geared segment.
REFERENCES:
patent: 2245280 (1941-06-01), Kammer
patent: 2728277 (1955-12-01), McRae
patent: 3433311 (1969-03-01), Lebelle
patent: 3678766 (1972-07-01), Geber
patent: 4756203 (1988-07-01), Matsuda
patent: 2259741 (1993-03-01), None
Harms Donn K.
Lewis Tisha
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