Pulley assembly having molded connection

F - Mech Eng,Light,Heat,Weapons – 16 – H

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Details

F16H 55/36 (2006.01) B29C 45/14 (2006.01) B29C 70/84 (2006.01) F16C 13/00 (2006.01) F16C 35/077 (2006.01)

Patent

CA 2279896

A process for manufacturing a pulley assembly comprising the steps of providing an outer component (12) having a central opening with an inner surface. An inner component (10) having an outer wall is provided. The inner component is disposed in the central opening. The inner and outer components define a molten material receiving space therebetween. Molten material is then injected into the space. The molten material is allowed to solidify and form a locking element (70) having radially extending portions providing axial movement of the inner and outer components relative to one another.

Un procédé permettant de fabriquer un ensemble poulie comprend les étapes suivantes: on fabrique un composant externe (12) présentant un orifice central avec une surface interne, et un composant interne (10) comportant une paroi externe. On dispose le composant interne dans l'orifice central. Les composants interne et externe définissent entre eux un espace destiné à recevoir un matériau fondu. Puis on injecte le matériau fondu dans ledit espace. On laisse le matériau fondu se solidifier et former un élément de verrouillage (70) comportant des parties à extension radiale, qui permettent le déplacement axial des composants interne et externe l'un par rapport à l'autre.

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