Elbow-type power hand tool

Tool driving or impacting – Automatic control of power operated means – Drive means responsive to torque or speed condition

Reexamination Certificate

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Details

C173S216000, C173S217000

Reexamination Certificate

active

06929074

ABSTRACT:
An elbow-type power hand tool including a housing, a motor, a planet gear set, a transmission shaft, and a torque controller mounted in the housing for controlling output torque of the transmission shaft. The power hand tool including a battery pack mounted in the housing that provides electricity to a power drive, an output shaft coupled to the transmission shaft that extends perpendicular to the transmission shaft, and a chuck assembly coupled to an end of the output shaft remote from the transmission shaft for holding a tool bit.

REFERENCES:
patent: 6446734 (2002-09-01), Williams et al.
patent: 6460629 (2002-10-01), Bookshar et al.
patent: 6523442 (2003-02-01), Lehnert et al.
patent: 6745883 (2004-06-01), Eto et al.
patent: 6805207 (2004-10-01), Hagan et al.
patent: 6843327 (2005-01-01), Meixner et al.
patent: 6857983 (2005-02-01), Milbourne et al.
patent: 2002/0096343 (2002-07-01), Potter et al.

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