Self-extruded bushing assembly and method of making the same

B - Operations – Transporting – 21 – D

Patent

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Details

B21D 39/04 (2006.01) B21D 22/04 (2006.01) B21D 53/88 (2006.01) B23P 19/02 (2006.01) F16C 35/02 (2006.01)

Patent

CA 2318227

A method for mounting a bushing into a metal member which comprises providing a metal member forming a bushing receiving opening in the metal member, the opening defined by an annular edge portion surrounding the opening. A bushing is then forced through the opening in a bushing driving direction such that the bushing engages the annular edge portion and deforms the annular edge portion in the bushing driving direction to form an annular flange portion on the metal member which projects in the driving direction and engages an exterior surface of the bushing in an interference fit relation so as to securely retain the bushing within the opening. Also disclosed is a metal member and bushing assembly, which may constitute part of a vehicle frame structure.

Procédé de montage d'une douille dans un élément métallique, qui consiste à former dans ledit élément métallique une ouverture de réception de la douille, ladite ouverture étant définie par une partie bord annulaire. Une douille est ensuite poussée dans l'ouverture dans un sens d'entraînement de la douille si bien que ladite douille vient en contact avec la partie bord annulaire et déforme cette partie dans le sens d'entraînement de la douille pour former sur l'élément métallique une partie bride annulaire qui fait saillie dans le sens d'entraînement et se trouve en contact avec une surface extérieure de la douille dans une relation de serrage, de manière que la douille soit retenue dans l'ouverture. Un élément métallique et un ensemble douille qui peuvent constituer une partie d'une structure de châssis de véhicule sont également décrits.

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