Device for the articulated connection of two bodies

Details Device for the articulated connection of two bodies Device for the articulated connection of two bodies

A - Human Necessities

61

B

A61B 17/60 (2006.01) A61B 17/64 (2006.01) A61B 17/80 (2006.01) A61B 17/70 (2006.01)

Patent

CA 2407009

A device is provided for the articulated connection of two bodies comprising a first body, a clamping member, at least one tension member, and a second body. The first body comprises a cavity extending coaxially along a central axis. The clamping included a longitudinal axis and a coaxial bore with at least one aperture, the clamping member being complementary to the cavity and resiliently deformable in a direction orthogonal to the longitudinal axis. The at least one tension member is insertable coaxially with respect to the longitudinal axis into the bore. An axial displacement of the at least one tension member within the corresponding aperture may cause the clamping member to be expanded to contact the cavity wall and be releasably locked within the cavity. The second body is releasably connectable to the first body by means of the at least one tension member and the clamping member. A driving member is provided for displacing the at least one tension member axially relative to the corresponding aperture, wherein the driving member is connected to both the clamping member and the at least one tension member in positive axial engagement while rotatable about the longitudinal axis.

La présente invention concerne un dispositif permettant la connexion articulée de deux corps. Ce dispositif comprend A) un premier corps (1), qui présente une cavité (5) coaxiale à un axe central (6); B) un élément de serrage (8), qui présente un axe longitudinal (11) et un alésage coaxial (15) présentant au moins une ouverture (50), adjacente audit alésage, ledit élément de serrage (8) étant conçu de façon à pouvoir se déformer élastiquement, de manière complémentaire à la cavité (5) et perpendiculaire à l'axe longitudinal (11); C) au moins un élément de tension (12), qui peut être introduit dans l'ouverture (50), de manière coaxiale à l'axe longitudinal (11), et peut s'étendre en direction axiale; D) un second corps (2), qui peut être connecté de manière amovible au premier corps (1), au moyen dudit élément de tension (12) et dudit élément de serrage (8); E) un élément d'entraînement (19), qui permet de déplacer ledit élément de tension (12), de manière axiale par rapport à l'ouverture (50); F) ledit élément d'entraînement (19) étant connecté par liaison de forme, de manière axiale, aussi bien avec l'élément de serrage (8) qu'avec ledit élément de tension (12), et pouvant tourner autour de l'axe longitudinal (11).

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