Variable speed, multiple component pulley

Details Variable speed, multiple component pulley Variable speed, multiple component pulley

1982-02-18

1983-07-05

Staab, Lawrence J.

Endless belt power transmission systems or components

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

Plural members forming plural belt-receiving grooves on...

F16H 5552

Patent

active

043915957

ABSTRACT:
A variable speed pulley or sheave with a broad speed range is provided. The variable speed pulley comprises three inter-nesting components which enable a broad range of ratios to be achieved. The multiple component pulley is mounted on an idler shaft with one V-belt connected to a pulley of a drive shaft and another V-belt connected with a pulley of a driven shaft. The pulley includes two outer pulley components which are designed with generally radially-extending tines and recessed hubs. The pulley has a third, intermediate pulley component also mounted on the idler shaft between the outer two components and being slidable thereon to inter-nest with the outer two components. The intermediate component has generally-radially extending, generally triangularly shaped tines which can extend into slots between the tines of the outer two components. The intermediate component also has a hub which can extend into recesses of the outer two pulley components when moved into inter-nesting relationship therewith. The multiple component pulley is particularly effective for use with self-propelled lawn mowers but also has many other applications.

REFERENCES:
patent: 2208430 (1939-01-01), Ostler
patent: 2255567 (1941-09-01), McElroy
patent: 2546856 (1951-03-01), Frazier
patent: 2594663 (1952-04-01), Lindell
patent: 2595203 (1952-04-01), Reeves
patent: 2741135 (1956-09-01), Numan

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