Epicyclic transmission having cam driven roller retainer

Details Epicyclic transmission having cam driven roller retainer Epicyclic transmission having cam driven roller retainer

1984-02-10

1986-08-12

Staab, Lawrence J.

Machine element or mechanism

Rotary member or shaft indexing, e.g., tool or work turret

Preselected indexed position

74465, 74797, 74804, F16H 134

Patent

active

046049169

ABSTRACT:
An epicyclic speed reducing transmission having first and second sets of conjugate epitrochoidal and hypotrochoidal races and first and second sets of rollers transmitting torque between respective sets of races includes a retainer structure for the first and second sets of rollers. The retainer structure is apertured so as to receive the rollers, and independent retainer elements for each set of rollers are provided, with both of these elements being conjointly orbitally driven. The retainer structure may be positively orbitally driven by means of a cam driven spider provided either centrally of or externally of the pair of epitrochoidal races.

REFERENCES:
patent: 1767866 (1930-06-01), Wildhaber
patent: 1831577 (1931-11-01), Richer
patent: 1867492 (1932-07-01), Braren
patent: 4023440 (1977-05-01), Kennington et al.

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