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1. (WO2017001181) LIAISON À VIS
Note: Texte fondé sur des processus automatiques de reconnaissance optique de caractères. Seule la version PDF a une valeur juridique

Claims

1. Screw connection comprising a structural element (2) comprising a screw hole (2.1) and a metal sheet (3) comprising a through hole (3.1), the structural element (2) and the metal sheet (3) being adapted to be connected by means of a screw

(4) by screwing the screw (4) through the through hole (3.1) of the metal sheet (3) into the screw hole (2.1) of the structural element (2), wherein the metal sheet (3) comprises an embossment (5), said embossment (5) at least partially surrounding the through hole (3.1) in order to increase the distance (d) between an upper surface of the metal sheet (3) and the screw hole (2.1) provided in the structural element (2) , characterized in that the embossment (5) comprises an upper portion (5.5) comprising a contact surface (5.1), the screw head (4.1) of the screw (4) being adapted to rest against said contact surface (5.1) and the embossment (5) comprises a support portion (5.2) protruding from the upper portion (5.5) downwardly towards the structural element (2), the support portion (5.2) at least partially resting at the structural element (2) and at least partially radially confining the through hole (3.1) .

2. Screw connection according to claim 1, wherein the embossment

(5) is obtained by partial metal forming or deep drawing of the metal sheet (3) .

3. Screw connection according to claim 1 or 2, wherein the support portion (5.2) is formed by a ring-shaped rim.

4. Screw connection according to anyone of the preceding claims, wherein the support portion (5.2) protrudes perpendicular from the upper portion (5.5) .

5. Screw connection according to any of the preceeding claims, wherein the support portion (5.2) protrudes downwardly and comprises a free end (5.2.1) that is oriented to abut essentially perpendicularly on the structural element (2), in par ticular wherein the support portion (5.2) protrudes downwardly from said upper portion (5.5) .

6. Screw connection according to anyone of the preceding claims wherein the embossing (5) comprises an annular, cup-like shape .

7. Screw connection according to anyone of the preceding claims wherein the metal sheet (3) comprises a wall thickness (t) below 0.5mm .

8. Screw connection according to anyone of the preceding claims wherein the structural element (2) is at least partially formed by a metal sheet.

9. Screw connection according to anyone of the preceding claims wherein the screw (4) is a self-tapping screw.

10. Household or kitchen appliance comprising a screw connection (1) according to anyone of the preceding claims.