Planetary gear transmission systems or components – Planet periphery surrounds axis of interacting gear – Gear has plural circumferential tooth sets
Reexamination Certificate
2007-06-26
2007-06-26
Lorence, Richard M. (Department: 3681)
Planetary gear transmission systems or components
Planet periphery surrounds axis of interacting gear
Gear has plural circumferential tooth sets
C297S362000
Reexamination Certificate
active
10999072
ABSTRACT:
A gear train is provided including an output shaft rotatable about an output axis, a housing rotatable relative to the shaft, a toothed washer having a circumferential first toothed surface, an eccentric that is rotatably disposed on the shaft and has an eccentric driving surface offset relative to the axis by an eccentricity, the eccentric comprising a driving region, an annular gear comprising a circumferential second toothed surface, a circumferential third toothed surface and an eccentric driven surface cooperating with the driving surface, a gearwheel comprising a circumferential fourth toothed surface, the first toothed surface of the washer and the second toothed surface of the annular gear meshing together in a first angular position and forming a first nutating gear having the eccentricity and the third toothed surface of the annular gear and the fourth toothed surface of the gearwheel meshing together in a second angular position.
REFERENCES:
patent: 4469375 (1984-09-01), Boyer
patent: 4884844 (1989-12-01), Kershaw et al.
patent: 5820504 (1998-10-01), Geralde
patent: 6543850 (2003-04-01), Becker et al.
patent: 211687 (1987-02-01), None
Becker Burckhard
Beneker Wilfried
Ho Van-Toan
Karthaus Ulrich
C. Rob. Hammerstein GmbH & Co. KG
Cantor & Colburn LLP
Lorence Richard M.
Young Edwin A.
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