Fastening element

Details Fastening element Fastening element

F - Mech Eng,Light,Heat,Weapons

16

B

F16B 13/12 (2006.01) F16B 37/12 (2006.01)

Patent

CA 2236906

The invention relates to a fastening element (1) with a cylindrical casing (2) comprising an internal thread (20), which at one of its outside ends has at least one support element (4) projecting over the casing (2) in a plane perpendicular to the longitudinal middle axis (3), and at an end region (23) of the casing (2) opposite the support element (4) at least two expanding elements (29) which project over the latter in longitudinal direction and are deformable in radial direction are arranged, and the support element (4) and the casing (2) with the expanding elements (29) are made of a one-piece metal component, whereby at least one securing extension (7) is arranged on the support element (4) and the expanding elements (29) converge in the direction of a length and outside faces (28) of the expanding elements (29) opposite the support element (4) are arranged at an angle to one another.

La présente invention a trait à un élément de fixation (1) à corps cylindrique (2) présentant un filetage intérieur (20) qui, à une de ses extrémités extérieures, est doté d'au moins un élément d'appui (4) faisant saillie par-dessus le corps (2) sur un plan perpendiculaire à l'axe central longitudinal (3). € une extrémité (23) du corps, à l'opposé de l'élément d'appui (4), sont situés au moins deux éléments expansibles (29) en saillie au-dessus de ce dernier en direction longitudinale et déformables en sens radial. L'élément d'appui (4) et le corps (2) avec les deux éléments expansibles (29) constituent un élément métallique d'une seule pièce. Au moins un prolongement de fixation (7) est situé sur l'élément d'appui (4), et les éléments expansibles (29) convergent longitudinalement. Les faces extérieures (28) des éléments expansibles (29), situés à l'opposé de l'élément d'appui (4), sont disposées en angle l'une par rapport à l'autre.

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