Stepless speed change systems

Details Stepless speed change systems Stepless speed change systems

1977-02-15

1978-08-29

Gerin, Leonard H.

Machine element or mechanism

Elements

Gear casings

74687, F16H 3706, F16H 4704

Patent

active

041095502

ABSTRACT:
In a power transmission system in which the torque delivered to an input shaft is transmitted to an output shaft via a planetary gear speed reduction mechanism, a stepless speed change system comprising a stepless speed change mechanism including a disk operatively connected to a gear mounted on the input shaft, a roller in contact with the disk and shiftable diametrically of the disk in a direction intersecting the axis of rotation of the disk, and a handle lever for shifting the roller, the roller being rotatable by the disk in a positive or reverse direction or stoppable when positioned at the center of rotation of the disk; and a worm and a worm wheel for transmitting the positive or reverse rotation of the roller to an internal gear of the planetary gear mechanism. When the output shaft is subjected to a load, part of the resulting counteracting torque is fed to the input shaft through the stepless speed change mechanism.

REFERENCES:
patent: 2099734 (1937-11-01), Hall
patent: 3194088 (1965-07-01), Erban
patent: 3739658 (1973-06-01), Scheiter
patent: 3866490 (1975-02-01), Orshansky, Jr.
patent: 4019404 (1977-04-01), Schauer

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