Automatic screwdriver

Details Automatic screwdriver Automatic screwdriver

B - Operations, Transporting

25

B

81/29

B25B 21/00 (2006.01) B25B 23/00 (2006.01) B25B 23/04 (2006.01)

Patent

CA 1124111

ABSTRACT OF THE DISCLOSURE An automatic power-driven screwdriver comprises a first cylindrical member having a hand grip portion, a guide portion, a tapered portion and a flanged portion between the tapered and hand grip portions. A second cylindrical member, which is a nose portion of the screwdriver, is mounted to telescope over the guide portion. A third cylindrical member encircles the guide portion and is slidably mounted at one end over the second cylindrical member. The third member is formed with a tapered contacting surface complementary to the surface of the tapered portion of the first member. An adjusting nut having an inwardly extending flange is mounted on the first member with the flange being in contact with the flanged portion and is threadably engaged with the third member so that the tapered contact- ing surfaces are brought into firm pressure contact which enables the first and second cylindrical members to be secured firmly together. By loosening the nut the nose portion of the apparatus can be rotated to a desired angular position with respect to the hand grip portion so that a screw feeder tube, connected to the nose portion, is not hindered by an obstacle which might be present in working areas.

343981

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