Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Junichi Tamura0
Katsuhiko Murayama0
Masakazu Konishi0
Date of Patent
May 10, 2011
Patent Application Number
12440384
Date Filed
September 13, 2007
Patent Citations Received
Patent Primary Examiner
Patent abstract
In a feed piston and cylinder mechanism for feeding a feed claw that engages with and disengages from connected nails accommodated within a magazine to a nose portion, the feed claw is biased in a feeding direction by a bias member and is retracted in a backward direction by high-pressure combustion gas. A valve is provided in a path which guides the high-pressure combustion gas to the feed piston and cylinder mechanism and communicates the path with the atmosphere. The feed piston and cylinder mechanism is controlled by opening/closing the valve.
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