Frictionless continuously variable transmission

Details Frictionless continuously variable transmission Frictionless continuously variable transmission

1987-04-09

1989-04-04

Braun, Leslie A.

Machine element or mechanism

Gearing

Plural power paths to and/or from gearing

74 63, F16H 344

Patent

active

048174645

ABSTRACT:
An infinitely variable speed transmission is disclosed which transmits externally applied driving torque to an output shaft through a pinion arm which engages a gear mounted on the end of the output shaft. The pinion arm can freely pivot around the bevel gear throughout the full 360 degree rotation of the input and output shafts. A locking mechanism is provided which allows the user to lock the pinion arm to the bevel gear. This enables the applied torque to be transferred through the pinion arm to the output shaft. The distance separating the input and output shafts can be varied by the user. By selectively varying the shafts' separation the effective transmission ratio can be continuously varied.

REFERENCES:
patent: 1297092 (1919-03-01), Carlson
patent: 1389622 (1921-09-01), Buehler
patent: 2090810 (1937-08-01), Russell et al.
patent: 2149668 (1939-03-01), Crosthwaite
patent: 2734397 (1956-02-01), Bade
patent: 2747434 (1956-05-01), Bade
patent: 4184388 (1980-01-01), Sfredda
patent: 4352297 (1982-10-01), Nardi
patent: 4660427 (1987-04-01), Fenton

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