Friction drive transmission

Details Friction drive transmission Friction drive transmission

1975-02-18

1976-03-23

Scott, Samuel

Machine element or mechanism

Gearing

Plural power paths to and/or from gearing

74206, F16H 1314

Patent

active

039452700

ABSTRACT:
A rotary motion transmitting device including traction rollers for transmitting motion in either direction from an input shaft to an output shaft. One shaft carries an internal traction ring and the other shaft, whose axis is parallel to, but slightly spaced from, the traction ring shaft, extends into the traction ring and carries an inner roller to form a varying annular space. Three intermediate traction rollers are angularly disposed within this annular space and are urged into firm Hertzian contact with both the traction ring and the inner roller by means of the torque transmitted through the device. The five traction rollers have a sum of degrees of freedom of movement in a plane perpendicular to the axes of the rollers equal to 8, 9 or 10.

REFERENCES:
patent: 1060865 (1913-05-01), Sundh
patent: 1093922 (1914-04-01), Dieterich
patent: 1212462 (1917-01-01), Donnelly
patent: 3060767 (1962-10-01), Parrett
patent: 3380312 (1968-04-01), Barske
patent: 3776051 (1973-12-01), Kraus
patent: 3848476 (1974-11-01), Kraus

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