Screwdriver and screw for use therewith

Details Screwdriver and screw for use therewith Screwdriver and screw for use therewith

B - Operations, Transporting

25

B

81/29

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

Patent

CA 1078229

ABSTRACT OF THE DISCLOSURE The specification describes an improved screw- driver and screw constructed in such a manner that the two are maintained in proper alignment during use and so that the screw may be held on the end of the screwdriver without the use of one's hand. The screwdriver is formed with an axial projection at its tip which is adapted to be received in an axial bore in the head portion of the screw. To grip the screw to the screwdriver, the projection and bore are constructed so that there exists an interference, tapered fit when the driver and screw are drivingly engaged.

262005

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