发明申请
- 专利标题： POWER TOOL
- 专利标题（中）： 电动工具
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申请号： US12198694申请日： 2008-08-26
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公开(公告)号： US20090071671A1公开(公告)日： 2009-03-19
- 发明人: Hongfeng Zhong , Gianni Borinato , Shisong Zhang , Chengzhong Chen , Paolo Andriolo , Fangshi Liu , Kelvin Wong , Warren Brown
- 申请人： Hongfeng Zhong , Gianni Borinato , Shisong Zhang , Chengzhong Chen , Paolo Andriolo , Fangshi Liu , Kelvin Wong , Warren Brown
- 申请人地址： CN Suzhou
- 专利权人： Positec Power Tools (Suzhou) Co., Ltd.
- 当前专利权人： Positec Power Tools (Suzhou) Co., Ltd.
- 当前专利权人地址： CN Suzhou
- 优先权： CN200710131762.5 20070829; CN200810145304.1 20080731
- 主分类号： B23Q5/12
- IPC分类号： B23Q5/12 ; F16H59/14
摘要：
A power tool comprising a housing, a motor, an output shaft, a gear transmission mechanism and a control system. The gear transmission mechanism is connected between the motor and the output shaft to transmit the rotary power of the motor to the output shaft. The gear transmission mechanism has a high speed position and a low speed position. The control system is coupled to the gear transmission mechanism for detecting an operating characteristic of the power tool to actuate a ring gear to automatically move from the high speed position to the low speed position and to reduce the rotational speed of the ring gear when the operating characteristic exceeding a predetermined value.
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