发明名称 Pneumatic tool with sectional adjustment of torsional force
摘要 The present invention provides a pneumatic tool enabling sectional adjustment of torsional force, including a main body and a cylinder mounted into the accommodation space of main body. The cylinder is fitted with air vents and also a rotor. A plurality of exhaust holes is arranged at one side of the cylinder tube of the cylinder. An exhaust duct switching member is arranged between the exhaust holes of the cylinder tube and air exhaust duct of the main body and used to switch the airflow for air exhaust by different exhaust holes. The pneumatic tool enables sectional adjustment of its torsional force, thus promoting the torsional force efficiently with better applicability.
申请公布号 US7958945(B2) 申请公布日期 2011.06.14
申请号 US20090537423 申请日期 2009.08.07
申请人 CHENG HUAN INDUSTRY, LTD. 发明人 LU KUO-CHOU
分类号 B25B9/00 主分类号 B25B9/00
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