Proportional pilot-controlled pneumatic control system for pneumatically powered hand-held tools
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United States of America Patent
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Oct 8, 2013
Grant Date -
Sep 6, 2012
app pub date -
May 14, 2012
filing date -
Jan 23, 2008
priority date (Note) -
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Abstract
A control system for use in conjunction with a primary power system and operable to control a pneumatically powered hand-held tool broadly comprises an air delivery assembly operable to communicate with a pressurized air source; a control assembly including an exhaust line from the primary power system and to the control assembly, a spool valve in fluid communication with the supply line and the exhaust line, and a control line in fluid communication with the spool valve and the hand-held tool; a tool assembly comprising the hand-held tool for performing delicate hand working operations; and a housing for at least partial storage of the air delivery assembly and the control assembly. The primary power system and the control system operate in conjunction with each other to both power and precisely control a pneumatically powered hand-held tool.
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