Rotary hammer
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United States of America Patent
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Jan 23, 2018
Issued Date -
N/A
app pub date -
Dec 4, 2014
filing date -
Dec 11, 2013
priority date (Note) -
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Abstract
According to an aspect of the present invention there is provided a rotary hammer comprising an electric motor having its longitudinal axis perpendicular to the axis of the hammer spindle and the tool holder. A single switching arrangement activates and deactivates the hammer mechanism and the rotary drive mechanism for the tool holder. The switching arrangement has a cam portion acting on a coupling part to activate and deactivate the hammer drive mechanism, and acting on a slider part to engage and disengage a coupling sleeve with a drive sleeve to thereby activate and deactivate the rotary drive mechanism of the hammer spindle. The switching arrangement comprises a gear train disposed between the switching element and the cam portion.
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