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Priority to ES89794UpriorityCriticalpatent/ES89794Y/en
Publication of ES89794UpublicationCriticalpatent/ES89794U/en
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Publication of ES89794YpublicationCriticalpatent/ES89794Y/en
Gear tooth, particularly applicable to gearbox gears of motor vehicles, characterized in that the flanks of the tooth are carved in divergence so that a tooth seen in plan presents a substantially trapezoidal surface whose greater base is in the area of head of the tooth, which is thus endowed with excess material that by gradually decreasing towards the smaller base allows the gradation of wear to maintain the effectiveness of the engagement with another tooth of similar design for a period of time incomparably greater than if those cited planes of the flanks were initially parallel, since before reaching with the wear that parallelism it is necessary that the wear of said excess of material takes place to continue wearing away the expressed flanks with the habitual tendency to make them convergent toward the attack zone. (Machine-translation by Google Translate, not legally binding)