Dual range variable speed transmission

Details Dual range variable speed transmission Dual range variable speed transmission

1992-12-09

1994-02-01

Britts, Ramon S.

Endless belt power transmission systems or components

Pulley with belt-receiving groove formed by drive faces on...

And member has plural, relatively axially movable drive faces

474 29, 474 35, 474 37, 474 46, 474 47, 474171, F16H 5556

Patent

active

052827739

ABSTRACT:
A variable diameter belt type power transfer assembly having a drive sheave and a driven sheave, both of which are adjustable and include a pair of opposing coaxial flanges, one of which is axially movable relative to the other, is disclosed wherein both flanges of the drive sheave are provided with first and second belt engaging surfaces flaring radially outwardly with respect to each other so as to define first and second variable diameter belt receiving grooves therebetween. A dual range of velocity ratios between the drive sheave and the driven sheave is obtainable by selectively positioning a drive belt in the respective variable diameter belt receiving grooves.

REFERENCES:
patent: 2199999 (1940-05-01), Jensen et al.
patent: 3604282 (1971-09-01), Shambaugh
patent: 3661022 (1972-05-01), Bergeron et al.

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