F - Mech Eng,Light,Heat,Weapons – 16 – B
Patent
F - Mech Eng,Light,Heat,Weapons
16
B
F16B 35/04 (2006.01) B25B 15/00 (2006.01) B25B 31/00 (2006.01) F16B 13/08 (2006.01) F16B 39/02 (2006.01) F16B 39/30 (2006.01)
Patent
CA 2220042
The invention relates to a screw intended to be set in place and removed rapidly. The screw is characterized in that the threads (25) are intended to take two positions: a first position wherein they project at the periphery of the body (1) and a second position wherein they are retracted into the thickness of the body (1). The screw further comprises displacement means (27) intended to displace the threads from one position to the other and means for locking the threads (29, 36, 37, 38) in the extended position.
L'invention concerne une vis destinée à être mise en place et retirée rapidement. La vis est caractérisée en ce que les filets (25) peuvent prendre deux positions: une première dans laquelle ils font saillie à la périphérie du corps (1) et une seconde dans laquelle ils sont effacés dans l'épaisseur du corps (1). Elle comporte en outre des moyens de déplacement (27) des filets d'une position à l'autre et des moyens de blocage de ces filets (29, 36, 37, 38) dans la position en saillie.
Marks & Clerk
Sidel
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