Variable ratio transmission

Details Variable ratio transmission Variable ratio transmission

1991-02-13

1991-11-19

Diehl, Dwight

Machine element or mechanism

Gearing

Interchangeably locked

F16H 324

Patent

active

050656384

ABSTRACT:
A variable ratio transmission comprises a pinion with spring loaded pins mounted on a face gear which is a disc with one of the plate-like surfaces containing a plurality of grooves separated by crowns extending from the periphery of the disc. At intermittent radii on the face gear, the pins of the pinion mesh with every other groove of the face gear and missed grooves at one intermittent radius are the meshing grooves of an adjacent radius so that the number of meshing radii are increased compared with dimensioning the face gear so that the pins of the pinion mesh with every groove of the face gear at intermittent radii. The tops of the crowns, at least between meshing radii, are tapered to provide bearing surfaces which reduce wear and friction.

REFERENCES:
patent: 542095 (1895-07-01), Muehleisen
patent: 619551 (1899-02-01), Ferris
patent: 684215 (1901-10-01), Foster
patent: 715404 (1902-12-01), Markgraf
patent: 955279 (1910-04-01), Moore
patent: 2473545 (1949-06-01), Reid
patent: 3075397 (1963-01-01), Winter
patent: 3912039 (1975-10-01), Ordemann
patent: 4447068 (1984-05-01), Brooks
patent: 4813302 (1989-03-01), Davidow

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