Tool having an adjustable driving stem

Details Tool having an adjustable driving stem Tool having an adjustable driving stem

1997-12-11

1999-07-27

Smith, James G.

Tools

Wrench, screwdriver, or driver therefor

Handle or shank

811774, 81490, B25B 1316

Patent

active

059271620

ABSTRACT:
A tool includes a handle and a coupler secured to the handle. The coupler includes a number of surfaces formed in the peripheral portion. A driving stem has one end rotatably secured to the coupler and includes an outer thread for threadedly engaging with a control ferrule which may engage with the surfaces of the coupler for securing the driving stem to the coupler and to the handle. The handle includes a number of orifices for engaging with tool bits and sockets, and a cap rotatably secured to the handle. The cap has a puncture for engaging with and removing the tool bits.

REFERENCES:
patent: 5174178 (1992-12-01), Disston
patent: 5217116 (1993-06-01), Ku
patent: 5329834 (1994-07-01), Wong
patent: 5421225 (1995-06-01), Chen
patent: 5499562 (1996-03-01), Feng
patent: 5515754 (1996-05-01), Elkins
patent: 5737982 (1998-04-01), Lin
patent: 5799552 (1998-09-01), Curtis

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