Multiple bit screwdriver with improved chuck arrangement

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

1984-12-14

1985-11-12

Schmidt, Frederick R.

Tools

Handle for tool

Having storage compartment

B25G 108

Patent

active

045520437

ABSTRACT:
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.

REFERENCES:
patent: 3405749 (1968-10-01), Butler
patent: 4463788 (1984-08-01), Corona et al.

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