Concave-convex gear pair having staggered teeth

Details Concave-convex gear pair having staggered teeth Concave-convex gear pair having staggered teeth

1986-04-22

1987-07-14

Downey, Kenneth

Machine element or mechanism

Gearing

Teeth

74462, F16K 5517

Patent

active

046794590

ABSTRACT:
A spur gear system wherein each gear comprises two gear sections; gear te in the respective sections are staggered a one half tooth pitch distance. The effect is to achieve a relatively high contact ratio with relatively small diameter gears. Teeth on mating gears are of positive (convex) curvature and negative (concave) curvature to provide an enlarged contact area.

REFERENCES:
patent: 1345717 (1920-10-01), Bertels
patent: 4106360 (1978-08-01), Manna
patent: 4140026 (1979-02-01), Rouverol
patent: 4155686 (1979-05-01), Eisenmann et al.
patent: 4437356 (1984-03-01), Imazaike

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