Longitudinal support

Details Longitudinal support Longitudinal support

A - Human Necessities

61

B

A61B 17/70 (2006.01)

Patent

CA 2538105

The invention relates to a longitudinal support element (7) having a longitudinal axis (23), two coaxial joining elements (9; 10), disposed one after the other, a first end (14) and a second end (15), the first joining element (9) having a thread that is coaxial to the longitudinal axis (23), whereby A) the second joining element (10) comprises a joint shell (28) which is axially open on the second end (15) of the longitudinal support element (7) and elastically deformable at an angle to the longitudinal axis (23); and B) the joint shell (28) comprises a cavity (30) in the shape of a hollow spherical segment and having a diameter D with an opening (16) that is concentric at the second end (15) to the longitudinal axis (23) and has a diameter d, with d < D.

L'invention concerne un élément de longeron (7) doté d'un axe longitudinal (23), de deux segments de raccordement (9;10) coaxiaux montés en série, d'une première extrémité (14) et d'une deuxième extrémité (15). Selon l'invention, le premier segment de raccordement (9) comporte un filetage coaxial avec l'axe longitudinal (23), et le deuxième segment de raccordement (10) comprend une rotule (28) à déformation élastique transversalement à l'axe longitudinal (23) et axialement ouverte à la deuxième extrémité (15) de l'élément du longeron (7). L'invention est caractérisée en ce que cette rotule (28) est pourvue d'une cavité (30) de type segment à sphère creuse de diamètre D avec, à la deuxième extrémité (15), une ouverture (16) concentrique relativement à l'axe longitudinal (23), cette cavité ayant un diamètre d, sachant que d < D.

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