STRUCTURE OF PNEUMATIC IMPACT WRENCH

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20120138329A1
SERIAL NO

12959652

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An improved structure of a pneumatic impact wrench includes a main body, a plastic casing provided for fixing a motor casing and a motor module, the motor module having a cylinder for installing a rotor, the rotor being extended from an axle and supported by a bearing, the motor casing having an external case with a hardness greater than that of the plastic casing, and the external case being hollow and penetrating both ends to form a chamber for accommodating and installing a cylinder, and the external case having a stop ring protruded from an internal wall of the chamber and provided for blocking the cylinder, and an external case cover installed at a rear end of the external case for coupling and covering the external case cover.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
STORM PNEUMATIC TOOL CO LTDNO 539 DALI RD DALI DIST TAICHUNG CITY R O C

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
CHENG, CHUAN-CHING TAICHUNG CITY, TW 24 226
SUN, YUNG-YUNG TAICHUNG COUNTY, TW 28 274

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