New system for holding and tightening screws

Details New system for holding and tightening screws New system for holding and tightening screws

F - Mech Eng,Light,Heat,Weapons

16

B

F16B 23/00 (2006.01) B25B 15/00 (2006.01)

Patent

CA 2291766

New system for holding and tightening screws, comprising a screw head with a mortise hole (1) which is bevelled in the screw axis and is provided with a plurality of lugs (2) and corresponding circular sections (3), a tip (4) of a screw-driver or tightening tool with a plurality of wings (5) corresponding to the number of lugs and a tooling set intended to obtain said mortise (1) in the screw head and said tip (4) of screw-driver or tightening tool.

L'invention concerne un nouveau système de fixation et de serrage de vis qui comprend une tête de vis présentant une mortaise (1) de forme biseautée dans le sens de l'axe de la vis, pourvue d'un certain nombre de tétons (2) et des sections circulaires (3) correspondantes, une pointe (4) de tournevis ou d'un autre instrument de serrage présentant un certain nombre d'ailettes (5) en correspondance avec le nombre de tétons et un outillage permettant de pratiquer ladite mortaise (1) dans la tête de la vis et ladite pointe (4) du tournevis ou instrument de serrage.

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