Conformal gearing

Details Conformal gearing Conformal gearing

1977-02-25

1979-02-20

Gerin, Leonard H.

Machine element or mechanism

Gearing

Teeth

74411, 74462, F16H 5514, F16H 5506, F16H 5700

Patent

active

041400267

ABSTRACT:
The principal disadvantage of conformal gearing is its acute sensitivity to center-distance error. An improved type of all-addendum conformal gearing is disclosed in which the concave tooth is much more flexible than the convex tooth, so that if the gears are mounted at too great a center-distance, the tendency of the tooth load to be exerted on the tip of the concave tooth is offset by tooth flexure which shifts the arc center of the concave profile a considerable distance toward the axis of the gear with convex teeth. This increases the pressure angle sufficiently to prevent overloading of the tip of the concave tooth.

REFERENCES:
patent: 1772986 (1930-08-01), Dunham
patent: 3180172 (1965-04-01), Leggatt
patent: 3371552 (1968-03-01), Soper
patent: 3982445 (1976-09-01), Rouverol

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