Machine element or mechanism – Gearing – Teeth
Reexamination Certificate
2005-07-05
2011-11-22
Hannon, Thomas R (Department: 3656)
Machine element or mechanism
Gearing
Teeth
C074S462000
Reexamination Certificate
active
08061229
ABSTRACT:
The inventive gear drive comprises toothed wheels with teeth of toothed crowns interacting with single- or multi-flow elements. Working profiles of the interacting teeth comprise piecewise and/or pointwise conjugate, convex at a tooth point and concave at a tooth root arc-shaped sections continuously connectable to each other or to involute sections. The interacting toothed crowns are so embodied that a phase gap of the face tooth intermating at a discrete angle from a point, where the interaction of profiles ends at a point, where the interaction of the face profiles of the next tooth pair starts. The drive is so embodied that the face tooth overlap ratio thereof is less than 1. The so improved teeth provide for high level of the contact tightness and absence of axial forces at engagement, increase the structural flexibility of the gear drive teeth in order to improve their qualities.
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Hannon Thomas R
Johnson Phillip A
Novikov Roman Vasilyevich
Smushkovich Aleksandr
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