Power hand tool

Details Power hand tool Power hand tool

2007-05-08

2008-09-23

Lee, K. Richard (Department: 2832)

Electricity: circuit makers and breakers

Multiple circuit control

Pivoted contact

C200S336000, C200S564000, C409S181000, C318S268000

Reexamination Certificate

active

07427722

ABSTRACT:
A power hand tool includes a rotary adjustment knob for adjusting maximum output torque, which has a plurality of radial ribs, radial locating grooves alternatively arranged on the inner sidewall thereof, and a locating member for supporting the rotary adjustment knob in position, which has a mounting base coupled to a part inside the housing of the power hand tool and two locating portions located at two opposite sides of the mounting base. Each of the locating portions has a protrusion engaged with one of the radial locating grooves of the rotary adjustment knob.

REFERENCES:
patent: 4033077 (1977-07-01), Chester et al.
patent: 5414793 (1995-05-01), Morikawa
patent: 6538218 (2003-03-01), Bascom et al.
patent: 6940033 (2005-09-01), Jones et al.
patent: 2003/0206779 (2003-11-01), Kopras et al.

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