Improved keyway, and method of holding a key in a keyway

Details Improved keyway, and method of holding a key in a keyway Improved keyway, and method of holding a key in a keyway

F - Mech Eng,Light,Heat,Weapons

16

B

F16B 1/00 (2006.01)

Patent

CA 2579058

An improved method of holding a key (20) in a keyway (31) includes the steps of: forming an elongated keyway in the member, the member having at least one sharp corner (34) facing into the keyway adjacent either end thereof; forming a key (20) to fit in the keyway, the key being so dimensioned, proportioned and configured that the part of the key immediately adjacent each sharp corner will be recessed with respect to the surface of the member at the corner; placing the key in the keyway; and plastically deforming portions (40) of the member at the sharp corners into the keyway so as to permanently hold the key in the keyway.

Selon l'invention, un procédé amélioré de maintien d'une clé (20) dans une entrée de clé (31) consiste à former une entrée de clé allongée dans l'élément, ledit élément présentant au moins un angle saillant (34) face à ladite entrée adjacente à une des extrémités, à former une clé (20) à fixer dans ladite entrée. La clé est dimensionnée, proportionnée et configurée de telle façon que la partie de la clé immédiatement adjacente à chaque angle saillant est évidée par rapport à la surface de l'élément au niveau de l'angle, à placer la clé dans l'entrée de clé, et à déformer de manière plastique des parties (40) de l'élément au niveau des angles saillants dans l'entrée de clé afin de retenir en permanence la clé dans l'entrée de clé.

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