Extension apparatus between tool and tool bit

Details Extension apparatus between tool and tool bit Extension apparatus between tool and tool bit

2005-03-01

2005-03-01

Meislin, Debra S. (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Handle or shank

C081S451000, C081S125000, C007S138000

Reexamination Certificate

active

06860178

ABSTRACT:
An extension apparatus is provided for connecting a tool with a tool bit. The extension apparatus includes a driving element with a first end for engagement with the tool and a second end for engagement with the tool bit, a telescopic element inserted in the driving element, a magnet attached to the telescopic element and a barrel movably mounted on the driving element for receiving a fastener to be driven via the tool bit.

REFERENCES:
patent: 5878637 (1999-03-01), Liu
patent: 6148699 (2000-11-01), Han
patent: 6520509 (2003-02-01), Vasudeva et al.
patent: 6644150 (2003-11-01), Chen

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