Rolling element transmission

Details Rolling element transmission Rolling element transmission

1998-12-30

2000-12-12

Estremsky, Sherry

Planetary gear transmission systems or components

Planet pinion is friction gear

Planet pinion is ball

742163, F16H 134

Patent

active

061591254

ABSTRACT:
A transmission includes a guideway (20) formed between a pair of tracks (22, 24) extending in a closed loop (21), and an endless train of rolling elements (X, Y, B) extending along the closed loop and rolling on the tracks and on each other. An input shaft (10) turns an input wheel (32) that carries a plurality of input wheel rollers (34), with the input wheel rollers pushing selected ones (X) of the rolling elements to move the train of rolling elements along the closed loop. An output shaft (12) is turned by an output wheel (40), with the output wheel carrying a plurality of output wheel rollers (36) that are in the path of the rolling elements to be moved by them. The rolling elements include rollers (X, Y) that roll along one track (24) and balls (B) lying between the rollers and rolling on the other track (22) and against the rollers.

REFERENCES:
patent: 2901914 (1959-09-01), Preston
patent: 3491607 (1970-01-01), Fisher

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