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U.S. Department of Energy
Office of Scientific and Technical Information

Reduction gear

Patent ·
OSTI ID:6268018
A speed-change gear is described comprising: a housing; a first annular internal gear fixed in the housing; a first pinion disposed in the housing concentrically with the first internal gear; a first shaft provided integrally with the first pinion and rotatably supported in the housing; a plurality of first planet gears geared with the first pinion and the first internal gear; a second shaft rotatably supported in the housing, the planet gears being supported by the second shaft with at least one circumferential inter-axes internal therebetween, the second shaft having at least two support portions respectively supporting the first planet gears and being circumferentially movable with respect to each other; and first means for changing a size of the inter-axes interval of the first planet gears by circumferentially moving the support portions with respect to each other, wherein the first changing means includes a screw threaded in one of the support portions and having an axial end contactable with another of the support portions.
Assignee:
Machine Engineering Co., Ltd., Nagano
Patent Number(s):
US 4799396
OSTI ID:
6268018
Country of Publication:
United States
Language:
English

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