Tool driving or impacting – Including means to vibrationally isolate a drive means from...
Patent
1989-03-16
1991-10-01
Gorski, Joseph M.
Tool driving or impacting
Including means to vibrationally isolate a drive means from...
173139, B25D 1711
Patent
active
050524992
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/.
REFERENCES:
patent: 3640351 (1972-02-01), Coyne et al.
patent: 4327807 (1982-05-01), Emonet
patent: 4366870 (1983-01-01), Frederick
patent: 4402369 (1983-09-01), Nikita et al.
Cempel Czeslaw
Dobry Marian W.
Garbatowski Wieslaw
Fridie Jr. Willmon
Gorski Joseph M.
Politechnika Pozanska
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