Washer, screw or nut with increased coefficient of friction

Details Washer, screw or nut with increased coefficient of friction Washer, screw or nut with increased coefficient of friction

F - Mech Eng,Light,Heat,Weapons

16

B

F16B 2/00 (2006.01)

Patent

CA 2735190

The invention relates to a washer (10), screw or nut having an end surface (12) which faces toward a workpiece, wherein the end surface (12) is provided with a concentric, annularly encircling web (14), and that region (18) of the end surface (12) which is situated outside the encircling web (14) tapers conically toward the web (14) from the outside, with the inclination from the outside to the inside being directed away from the workpiece.

L'invention concerne une rondelle de calage (10), une vis ou un écrou comportant une face frontale (12) dirigée vers la pièce, ladite face frontale (12) étant pourvue d'une nervure annulaire circonférentielle, et la zone (18) de la face frontale (12) située à l'extérieur de la nervure circonférentielle (14) présentant une forme conique de l'extérieur vers la nervure (14), avec une pente s'écartant de la pièce de l'extérieur vers l'intérieur.

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