Claw toothing for a gearbox or the like

Details Claw toothing for a gearbox or the like Claw toothing for a gearbox or the like

F - Mech Eng,Light,Heat,Weapons

16

D

F16D 11/14 (2006.01) F16D 1/076 (2006.01)

Patent

CA 2259186

The invention relates to claw toothing for a gearbox or the like, the claws thereof having undercut side edges and, viewed in cross-section with respect to the longitudinal axis of the claws, have a flat or convex roof shape. To improve meshing, the invention provides that the horizontal projection of the claws is rectangular or extends to taper towards the axis of rotation to form a wedge, and the generatrices (5a, 5b) of the claw form in the longitudinal direction of the claws are straight lines. In a plan view of the claws, said lines either extend parallel to each other, or to correspond with the wedge shape or through the axis of rotation.

L'invention concerne une denture à crabots pour boîte de vitesses ou similaire, dont les crabots présentent des flancs latéraux contre-dépouillés et, vus en coupe transversale par rapport à l'axe longitudinal desdits crabots, présentent une forme de toit plate ou convexe. Dans le but d'améliorer l'engrènement, la projection horizontale des crabots est rectangulaire ou s'étend en s'effilant en direction de l'axe de rotation de manière à prendre une configuration cunéiforme, et les génératrices (5a, 5b) du profil du crabot dans le sens longitudinal de celui-ci sont des droites. Dans une vue en plan des crabots, ces droites sont parallèles l'une à l'autre, s'étendent conformément à la configuration cunéiforme ou bien passent par l'axe de rotation.

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