Stepless speed change gear

Details Stepless speed change gear Stepless speed change gear

1978-06-12

1980-11-11

Kundrat, Andrew V.

Machine element or mechanism

Mechanical movements

Grip units and features

74796, F16H 1516

Patent

active

042325617

ABSTRACT:
A stepless speed change gear has an axially movable speed changing ring that is frictionally engaged with a plurality of conical rollers. The stepless gear has improved durability and reduced weight due to a flat annular power transmitting surface and an annular power transmitting surface of arcuate cross-sectional contour on the bottom portion of each conical roller. A force caused by a contact pressure generating device is applied to the conical rollers at the annular power transmitting surface of arcuate cross-sectional contour, so as to advance the conical rollers into a space between the speed changing ring and another frictionally engaging member as a wedge so that required contact pressures are applied on the frictionally engaging points.

REFERENCES:
patent: 2328536 (1943-09-01), Bade
patent: 3023642 (1962-03-01), Maichen
patent: 3108496 (1963-10-01), Kashihara
patent: 3108497 (1963-10-01), Kashihara
patent: 3688594 (1972-09-01), Weber

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