B - Operations – Transporting – 25 – B
Patent
B - Operations, Transporting
25
B
B25B 23/08 (2006.01) B25B 15/00 (2006.01)
Patent
CA 2402959
An anti-skip fastener tightening and/or extraction device 10 includes a tool bit end 12 having a plurality of flutes or crossing members 13-16, each crossing member having at least one recess 18 and 26 positioned in a side wall 20,21,28 and 29. The recesses 18 and 26 form edges 36 and 42 that engage corresponding portions of a fastener 17 to maintain engagement between the tool bit end 12 and the fastener 17 when forcibly rotating the fastener 17 to drive the fastener 17 into a workpiece or forcibly rotating the fastener 17 to extract the fastener 17 from a workpiece.
Un dispositif de serrage et/ou d'extraction d'attache anti-sauts 10 comprend un bout d'outil 12 ayant plusieurs goujons ou éléments de croisement 13-16, chaque élément de croisement comptant au moins un embrèvement 18 et 26 positionné dans un côté 20,21,28 et 29. Les embrèvements 18 et 26 forment les bords 36 et 42 qui engagent les portions correspondantes d'une attache 17 pour maintenir l'engagement entre le bout d'outil 12 et l'attache 17 lorsqu'on tourne l'attache 17 avec force pour entrer l'attache 17 dans une pièce à travailler ou lorsqu'on tourne l'attache 17 avec force pour extraire l'attache 17 d'une pièce à travailler.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Kozak Burton
LandOfFree
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