Gkn Automotive Ag

Hans-Joachim Bentz

Helmut Riemscheid

Rolf Cremerius

A continuously controllable drive having a form-fitting power transmission system as a result of the engagement of paired teeth, having a first tooth assembly with toothed segment bars which include teeth of uniform cross-sections with curved center lines which extend in the direction of an input shaft to which they are non-rotatingly as well as axially movably and fixably connected; a second set of teeth at a gearwheel which includes teeth of variable cross-sections with curved center lines with a concave shape which extend in the direction of an output shaft to which the gearwheel is connected and which, starting from a minimum central cross-section of the gearwheel, towards its sides, feature a positive profile displacement and pitch aperture.

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Essen, Germany

Hans-Joachim Bentz