Coupling arrangement for a telescopic device

A - Human Necessities – 61 – M

Patent

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A61M 25/00 (2006.01)

Patent

CA 2741958

A telescopic device comprising a first tubular element and an extension member displaceably arranged in an axial direction within the first tubular element, between at least, a first axial position wherein the extension member is displaceable within the first tubular element, where the first tubular element comprises a first coupling means and the extension member comprises a second coupling means, and in a second axial position where the first and second coupling means cooperate with each other for limiting the displacement of said extension member in at least one longitudinal direction, where the first and/or the second coupling means are provided with at least one protrusion in a radial direction of a longitudinal axis of the first tubular element and/or the extension member.

L'invention porte sur un dispositif télescopique comprenant un premier élément tubulaire et un élément d'extension disposé dans une direction axiale dans le premier élément tubulaire, déposable entre au moins une première position axiale dans laquelle l'élément d'extension peut être déplacé dans le premier élément tubulaire, le premier élément tubulaire comprenant un premier moyen de couplage et l'élément d'extension comprenant un second moyen de couplage, et dans une seconde position axiale dans laquelle les premier et second moyens de couplage coopèrent l'un avec l'autre pour limiter le déplacement dudit élément d'extension dans au moins une direction longitudinale, les premier et/ou second moyens de couplage comportant au moins une saillie dans une direction radiale d'un axe longitudinal du premier élément tubulaire et/ou de l'élément d'extension.

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