Bit with frictional retention in drive socket

Details Bit with frictional retention in drive socket Bit with frictional retention in drive socket

B - Operations, Transporting

25

B

B25B 13/46 (2006.01) B25B 23/00 (2006.01)

Patent

CA 2109267

A polygonal bit is frictionally retained in a mating socket opening of a drive socket by the provision of recesses in the flat surfaces of the bit, the formation of each recess creating a raised ridge of material displaced from the recess and projecting from the flat surface around the perimeter of the recess for frictional engagement with the corresponding drive surface of the drive socket. Recesses may be formed in flat surfaces on opposite sides of the bit, with one or two recesses being formed in each such surface. Various shapes of recess are disclosed.

Outil polygonal retenu par friction dans une prise d'entraînement correspondante grâce à des logements réalisés sur les surfaces planes de l'outil. La formation de chaque logement crée une crête formée du matériau déplacé des logements, la crête faisant saillie à partir de la surface plane autour du logement pour s'engager par friction avec la surface d'entraînement correspondante de la prise d'entraînement. Des logements peuvent être formés sur les surfaces planes sur les côtés opposés de l'outil, un ou deux logements étant formés sur chacune de ces surfaces. L'invention a également trait à diverses formes de logement.

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