Endless power transmission belt drive system

Details Endless power transmission belt drive system Endless power transmission belt drive system

1976-04-02

1977-06-14

Gerin, Leonard H.

Machine element or mechanism

Gearing

Toothed gear and recirculated unconnected elements

F16G 500

Patent

active

040289559

ABSTRACT:
A drive system is provided which comprises a single endless power transmission belt which has opposed driving portions defined by a flat driving portion and an oppositely arranged driving portion which has a plurality of projections therein and wherein such belt operatively associates with a driving sheave and a plurality of driven sheaves with the driving sheave and at least one of the driven sheaves each having a plurality of grooves therein each defined by an associated channel-like surface when viewed in cross section and at least another of the driven sheaves having a right circular cylindrical surface whereupon the flat driving portion of the belt operatively engages the right circular cylindrical surface and the projections of the oppositely arranged driving portion are received in grooves of the grooved sheaves and operatively engage the channel-like surfaces. A belt tensioning device is also provided and maintains a controlled tension on the belt during operation thereof.

REFERENCES:
patent: 3948113 (1976-04-01), Stork
patent: 3951006 (1976-04-01), Fisher et al.

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