Robotic harmonic flex-drive

Details Robotic harmonic flex-drive Robotic harmonic flex-drive

2011-02-22

2011-02-22

Le, David D (Department: 3655)

Machine element or mechanism

Gearing

Reexamination Certificate

active

07891272

ABSTRACT:
A robotic harmonic flex-drive has an outer generally cylindrical spline having inner diameter gear teeth and an inner generally cylindrical spline having outer diameter gear teeth concentric to the outer spline. A wave generator including a pair of rollers disposed adjacent to an outside surface of the outer spline and an inner surface of the inner spline deforms the outer and inner splines into ellipses whereby the inner diameter gear teeth of the outer spline engage the outer diameter gear teeth of the inner spline at a pair of diametrically opposed points along a major axis of the deformed outer and inner splines.

REFERENCES:
patent: 2906143 (1959-09-01), Musser
patent: 3415144 (1968-12-01), Carson
patent: 3427898 (1969-02-01), Mayer
patent: 3496782 (1970-02-01), Carlson et al.
patent: 3977275 (1976-08-01), Kiesewetter et al.
patent: 4237751 (1980-12-01), Davis
patent: 4703670 (1987-11-01), Kondo
patent: 2001/0052735 (2001-12-01), Sakamoto
patent: 2003/0121363 (2003-07-01), Poehlau

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