Pneumatic impact tool
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United States of America Patent
Stats
-
Oct 1, 1991
Grant Date -
N/A
app pub date -
Mar 16, 1989
filing date -
Mar 29, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The pneumatic impact tool is characterized by that the working tool /1/ has a flange that protect the tool from falling out and rests on the thrust ring /2/ mounted in the barrel seat as the hammer tool is being pressed down; moreover one of the noise suppressor chambers that is made up of the conic sleeve /34/ so pushed on the body-casing /4/ as that could rotate round axis, is connected with the second chamber that is made up of the space between the body-casing /4/ and the pneumatic motor's body by means of orifices opened at angle acute to the main axis of the tool symmetry and at tangent to the body plane of the pneumatic motor that is connected with the vibro-isolator of constant reaction force, by means of the vibro-isolating spacers /14/ and temporary fastening /16/, and at the same time the indirect sleeve /25/ mounted between the feeder's pipe /24/ and the barrel head and the elastic layer /38/ act as an additional vibro-isolation between the body-casing /4/ and the grip /23/ and moreover the space before the feeder's pipe /24/ is connected in the indirect sleeve /25/ with the first chamber of the air decompressor by mean of the air passages /32/.
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