Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Chicago Pneumatic Tool Co LLC
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Chicago Pneumatic Tool Co LLC
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Application filed by Chicago Pneumatic Tool Co LLCfiledCriticalChicago Pneumatic Tool Co LLC
Application grantedgrantedCritical
Publication of FR642488ApublicationCriticalpatent/FR642488A/fr
B25D9/00—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
B25D9/14—Control devices for the reciprocating piston
B25D9/16—Valve arrangements therefor
B25D9/20—Valve arrangements therefor involving a tubular-type slide valve
B25D2209/00—Details of portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
B25D2209/007—Details of portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously having a tubular-slide valve, which is not coaxial with the piston
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Physics & Mathematics
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Fluid Mechanics
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR642488D1926-12-291927-10-17Perfectionnements aux outils à fluide sous pression
ExpiredFR642488A
(fr)