Dual epicyclic speed changer

Machine element or mechanism – Rotary member or shaft indexing – e.g. – tool or work turret – Preselected indexed position

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F16H 128

Patent

active

048844730

ABSTRACT:
The epicyclic speed changer of the present invention comprises a pair of rotary members respectively mounted on two eccentric sections included in a first shaft in a diametrically opposing arrangement, wherein the rotating movements of the two rotary members are coupled to one another as the two sets of positive meshing elements such as gear teeth respectively belonging to the two rotary members engage each other. One of the two rotary members is non-rotatably coupled to the stationary frame of the speed changer in a radially shiftable arrangement, while the other of the two rotary members is nonrotatably coupled to a second shaft in a radially shiftable arrangement. The rotation of the first shaft generates nonrotating orbiting motions for the one of the two rotary members and rotating orbiting motions for the other of the two rotary members wherein the rotating portion of the rotating orbiting motion is transmitted to the second shaft.

REFERENCES:
patent: 627383 (1899-06-01), Birrell
patent: 987430 (1911-03-01), Conaut
patent: 1658767 (1928-02-01), Hall
patent: 3472097 (1969-10-01), Huska
patent: 4050331 (1977-09-01), Braren
patent: 4338831 (1982-07-01), Rodaway
patent: 4621543 (1986-11-01), Gabilondo

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