Coupling tooth formation, in particular in a gear box

Details Coupling tooth formation, in particular in a gear box Coupling tooth formation, in particular in a gear box

F - Mech Eng,Light,Heat,Weapons

16

D

F16D 11/14 (2006.01) F16D 11/10 (2006.01)

Patent

CA 2303258

The invention relates to clutch gearing especially in a manual transmission either on a shift collar or a gear wheel. Teeth are joined at the side of the base thereof to a cylindrical surface area (12) in relation to the rotational axis. The teeth extend longitudinally in an axial direction and are provided with a top contour which tapers from the gear tooth base to the tooth tip on the clutch end of said teeth. Said contour has a rounded top edge (5) whose radius increases from the tooth base to the tooth tip according to a predetermined function in order to enable the single-track process to take place as smoothly as possible after initial contact.

L'invention concerne une denture d'embrayage, notamment dans une boîte de vitesses, soit sur un manchon coulissant, soit sur un pignon de vitesse. Les dents sont raccordées côté pied à une surface de base (12) cylindrique par rapport à l'axe de rotation. Elles sont allongées en sens axial et sont pourvues, sur leur extrémité d'embrayage, d'un contour supérieur s'inclinant du pied de la dent vers la tête de la dent. Ce contour présente une arête supérieure arrondie (5) dont le rayon augmente du pied de la dent vers la tête de la dent selon une fonction prédéterminée, afin de rendre le plus souple possible le processus d'engrenage après le contact initial.

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