FIELD: mechanical engineering.
SUBSTANCE: invention refers to mechanical engineering and can be implemented at development of rotary mechanisms. The tooth ring gear with internal engagement has teeth (1, 2) which are made in form of projections on face surfaces of the rim of a sprocket and a wheel. Working surface of teeth (2) of the wheel has a flat profile. The teeth (1) of the sprocket are made in form of bodies of rotation, the own axis of each of them is parallel to the axis of sprocket rotation.
EFFECT: simplification of technology, reduction of fabrication cost, increase of reliability, serviceability and service life of gear.
3 dwg
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