Machine element or mechanism – Rotary member or shaft indexing – e.g. – tool or work turret – Preselected indexed position
Patent
1975-04-17
1981-03-17
Braun, Leslie
Machine element or mechanism
Rotary member or shaft indexing, e.g., tool or work turret
Preselected indexed position
74206, 74199, F16H 128
Patent
active
042559880
ABSTRACT:
An axial gear train of the type having a nutating gear mounted on a skew axle that has a gear face meshing with a fixed gear face. A nutating gear has a gear face meshing with a gear face on an output gear. The improvement resides in means positioned to hold the gear faces on the nutating gear or gears and the gear faces they mesh with together at the point of contact which rotates. The improvement in one form comprises yokes positioned at and rotating with the rotating points of contact. In another form, cluster gear assemblies are provided so arranged that opposing forces are created resisting the tendency of gear faces to push apart. Further improvements reside in particular design construction to facilitate mounting or journalling of the nutating gear or gears on the skew axle by way of a split hub construction which provides the journal for said gear or gears.
REFERENCES:
patent: 3224286 (1965-12-01), Mori et al.
patent: 3550476 (1970-12-01), Young
patent: 3640154 (1972-02-01), Massie
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