Importance

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Abstract

The invention relates to a gear composed of an injection-molded material, comprising an internal gate region and an external toothed ring with teeth, wherein each tooth has an external tooth crest and two lateral tooth base segments, at least one locating hole for a driver element engaging from the side, and a weld line of the injection-molded material, wherein the weld line runs from an external wall of the locating hole to the outer circumference of the gear, wherein the weld line runs through the tooth crest of one of the teeth to the outer peripheral surface of the tooth. In addition, an injection-molding method is proposed for the injection molding of such a gear. Due to the path of the weld line through the gear body to the periphery of the tooth, tensile stresses are distributed along a greater distance than is the case in a conventional gear.

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First Claim