Gear wheel

Details Gear wheel Gear wheel

1987-10-27

1989-01-24

Bui, Thuy M.

Endless belt power transmission systems or components

Positive drive pulley or guide roll

Having nonmetallic component

29159R, F16H 5500

Patent

active

047999187

ABSTRACT:
The invention relates to a gear wheel consisting of plastic material or a similar material having a coefficient of thermal expansion higher than that of steel. The gear wheel further includes a helix of steel or another material having a coefficient of thermal expansion similar to or identical with that of steel embedded in the gear rim of the wheel radially inside the teeth, whereby the helix has such a strength and dimension that it determines the coefficient of thermal expansion of the gear rim.

REFERENCES:
patent: 3651705 (1972-03-01), Bertinetti et al.
patent: 3696685 (1972-10-01), Lampredi

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