Patent ID: 6751952
Filing Date: 2004-06-22
Classification: B25F,Y10S

Abstract:
A muffling structure for a pneumatic tool, which is mounted at an opening of an exhaust end of gas exhaust passage of the pneumatic tool, comprising:a cock body having a body section, one end face of the body section being recessed to form a receptacle communicating with the gas exhaust passage of the pneumatic tool, at least one through hole being formed through a closed end of the receptacle to the other end face of the body section to communicate the receptacle with outer side of the pneumatic tool; and at least one muffling fiber body plugged in the receptacle, the muffling fiber body being formed with multiple fine voids for the gas to pass through the muffling fiber body, wherein the receptacle is axially sequentially divided into a first, a second and a third inner diameter sections from the closed end of the receptacle, the muffling structure further comprising two muffling fiber bodies respectively plugged in the first and third inner diameter sections.