Machine element or mechanism – Gearing – Toothed gear and recirculated unconnected elements
Patent
1990-07-30
1991-12-03
Wright, Dirk
Machine element or mechanism
Gearing
Toothed gear and recirculated unconnected elements
74191, F16H 300
Patent
active
050690787
ABSTRACT:
A load and motion transmitting apparatus is disclosed herein having a housing operably mounting a pair of spaced shafts having parallel turning axes where each shaft has a conical portion tapering in a direction opposite to the conical portion of the other shaft. The rotative movement of the driving shaft conical portion of the pair is transmitted to the driven shaft conical portion via a spherical intermediate drive member held in a movable carriage. The periphery of the conical portions includes hemispherical recesses arranged in circumference rows across the length of each conical portion so that relative velocity of the two shafts is controlled by axial movement of the drive member via the carriage. The carriage encloses a plurality of spherical drive members in a series so that each drive member transfers a driving load or force between conical portions in a serial sequence. The carriage location along the conical portions determines a variety of "gear ratios".
REFERENCES:
patent: 2869378 (1959-01-01), Fischer
patent: 3873128 (1975-03-01), Dunder et al.
patent: 4616519 (1986-10-01), Yoshida
Mechanisms, Linkages, and Mechanical Controls; Nicholas P. Chironis; 1965; pp. 4-5.
Marrs Roger A.
Wright Dirk
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