Pneumatically operated percussive tool driver with integral debris suction apparatus
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United States of America Patent
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Jul 23, 2019
Grant Date -
Aug 23, 2018
app pub date -
Jan 23, 2018
filing date -
Feb 20, 2017
priority date (Note) -
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Abstract
A pneumatically operated tool driver has a debris suction apparatus including a dust gathering assembly fastened to the front head of tool driver and surrounding the tool, a venturi element mounted on the tool driver, and an air diverting apparatus that uses pressurized air to establish an airflow through the venturi element to create a suction upstream of the venturi element that draws debris from the dust gathering assembly to a dust collection site. The air diverting apparatus obtains the pressurized air from an exhaust diverter that captures pressurized exhaust air expelled through the tool driver's exhaust port, and from a capillary tube coupled to the tool driver's inlet air port.
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