A - Human Necessities – 61 – C
Patent
A - Human Necessities
61
C
A61C 8/00 (2006.01) B25B 15/00 (2006.01)
Patent
CA 2680349
A screwdriver is provided herein, comprising a handle portion (11) and a shaft portion (12), with a distal end attached to said handle portion (11) and a proximal end attached to a tip portion (13) for driving a screw member with rotation transmitted from said handle portion (11). The tip portion of the screwdriver has a substantially rounded cross-section in an axial plane, and a substantially polygonal shaped cross-section in a radial plane with at least a first and a second diagonal, extending perpendicularly to two opposite sides of the polygonal, respectively, wherein said first diagonal is greater than said second diagonal. Also, a screw member, adapted for said screwdriver, is provided.
La présente invention concerne un tournevis, comprenant une partie poignée (11) et une partie axe (12), doté d'une extrémité distale reliée à ladite partie poignée (11) et d'une extrémité proximale reliée à une partie pointe (13) servant à entraîner un élément de vis par une rotation transmise depuis ladite partie poignée (11). La partie pointe du tournevis a une coupe transversale sensiblement ronde dans un plan axial, et une coupe transversale sensiblement polygonale dans un plan radial avec au moins une première et une seconde diagonale, s'étendant perpendiculairement et respectivement aux deux côtés opposés de la coupe transversale polygonale, ladite première diagonale étant plus grande que ladite seconde diagonale. La présente invention concerne également un élément de vis adapté audit tournevis.
Benzon Sture
Leike Per Olof
Biomain Ab
Robic
LandOfFree
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