US Patent 8245791 Hand-held tool with a counter-vibration device
Patent 8245791 was granted and assigned to Bosch on August, 2012 by the United States Patent and Trademark Office.
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The invention relates to a hand-held tool, in particular a rotary hammer, a percussion hammer, or a sabre saw. The hand-held tool is equipped with a drive unit and a stroke-generating element; the drive unit is embodied to move the stroke-generating element in a reciprocating fashion along a translation axis. The hand-held tool has at least one counterweight; the counterweight is operatively connected to the drive unit in such a way that it is possible to at least partially compensate for forces at least indirectly caused by the reciprocating motion. According to the invention, the counterweight in the hand-held tool is supported so that it is able to move, in particular to reciprocate, coaxial or parallel to the translation axis.
US Patent 08245791 Hand-held tool with a counter-vibration device US Patent 8245791 Hand-held tool with a counter-vibration device
US Patent 08245791 Hand-held tool with a counter-vibration device
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