Mechanical power transmission method and means

Details Mechanical power transmission method and means Mechanical power transmission method and means

1979-04-19

1981-11-03

Staab, Lawrence J.

Machine element or mechanism

Gearing

Plural power paths to and/or from gearing

74409, 744245, 744248C, 74427, 74461, 74465, F16H 344, F16H 118

Patent

active

042979196

ABSTRACT:
A particularly compact and efficient transmission includes one or more helix-like races having a common axis of rotation, a support member extending along the axis, one or more bearing units axially fixed to the support member and with their peripheries positioned in rolling engagement with the races, and means for rotating the bearing units about the axis whereby the bearing units roll along the races and the support member advances along the axis. Each bearing unit includes a hub, a circular array of roller means located radially outward from the hub, and resilient means for rotatively connecting each roller to the hub so that each roller is stiff in the circumferential directions around the array, but relatively elastic in planes which include said axis hub. When the transmission is under load, the roller means deflect laterally as needed to achieve uniform contact between all roller means and their respective race walls so that the load is distributed uniformly among all of the bearing units.

REFERENCES:
patent: 26476 (1859-10-01), Kuehnle
patent: 1586285 (1926-05-01), Burke
patent: 1611630 (1926-12-01), Burke
patent: 2888833 (1959-06-01), Toderick
patent: 3174354 (1965-03-01), Kuehnle
patent: 3597990 (1971-08-01), McCartin
patent: 3820413 (1974-06-01), Brackett
patent: 3945778 (1976-03-01), Zimmern
patent: 4127041 (1978-11-01), Imazaike

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