Shock Absorption Device for Pneumatic Tool
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United States of America Patent
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Issued Date -
Sep 22, 2016
app pub date -
Mar 19, 2015
filing date -
Mar 19, 2015
priority date (Note) -
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Abstract
A shock absorption device for a pneumatic tool, wherein a pneumatic tool contains: a body, a cylinder, a valve unit, and a piston member. The body includes a grip and a fitting sleeve fitted with the grip, wherein the fitting sleeve has a chamber, a close face formed on a first end thereof, and an opening formed on a second end thereof. The cylinder slidably is fixed in the chamber and a part thereof extends out of the opening, the cylinder includes a room and an abutting portion adjacent to the close face. The valve unit is fixed between the room and the abutting portion of the cylinder. The piston member is accommodated in the room and slides forward and backward along a movement axis. Plural buffer springs are mounted in the chamber and abut against the close face of the fitting sleeve and the abutting portion of the cylinder.
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