Hammer tool
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Aug 21, 2018
Grant Date -
Sep 3, 2015
app pub date -
Aug 30, 2013
filing date -
Sep 3, 2012
priority date (Note) -
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Abstract
A hammer tool for hammering on a workpiece by a tool bit moving at least linearly in a longitudinal direction of the tool bit, configured so that a hammering element moves toward the tool bit to hits the tool bit by way of air pressure fluctuation in an air chamber when a driving element is moved from a first position to a second position. In addition, the stroke center position of the reciprocating movement of the driving element moved between the first position and the second position is configured to be changeable.
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