Multiple bit screwdriver with improved chuck arrangement

Details Multiple bit screwdriver with improved chuck arrangement Multiple bit screwdriver with improved chuck arrangement

B - Operations, Transporting

25

B

81/31

B25B 23/16 (2006.01) B25G 1/08 (2006.01)

Patent

CA 1232781

ABSTRACT OF THE DISCLOSURE A multibit screwdriver has a plurality of bits provided in a circular pattern within a handle magazine. A rotatable selector cup at the end of the handle permits selection of a desired bit from the magazine and placement in a chuck in the handle. An elongate slot is provided in the cup to permit the manipulation of the bit. The improvement in this screwdriver arrangement comprises an adaptation to the chuck and bit ends so that the selected bit end is readily placed within the chuck. This feature is accomplished by providing a number of operative faces on the bit end equal to the number of bits provided in the handle. Similarly, the chuck has a bore presenting a corresponding plurality of internal operative faces for engaging the bit end.

469437

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