Electrical, rotary-percussion hand-held tool

Details Electrical, rotary-percussion hand-held tool Electrical, rotary-percussion hand-held tool

2006-01-10

2006-01-10

Smith, Scott A. (Department: 3721)

Tool driving or impacting

Drive adjustable to completely change kind of drive

Adjustable to impacting device

Reexamination Certificate

active

06983807

ABSTRACT:
An electrical, rotary-percussion hand-held includes a spindle (4), an electric motor for driving the spindle at different rotational speeds corresponding to different operational modes, a percussion mechanism and a gear mechanism arranged between the electric motor (1) and the spindle (4) for transmitting a drive torque from the electric motor (1) to the spindle (4), and a rotation shifting device (7) operatively connected with signal elements (6, 6′) and electrically connected with the electric motor (1) for driving the spindle (4) with a rotational speed corresponding to a selected operational mode.

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patent: 102 25 239 (2002-06-01), None

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