Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Chengzhong Chen0
Hongfeng Zhong0
Date of Patent
August 7, 2012
0Patent Application Number
125199280
Date Filed
December 18, 2007
0Patent Citations Received
Patent Primary Examiner
Patent abstract
This invention disclosed a power tool comprising housing, motor in the housing, switch fixed on the housing used to connect motor and power, output shaft connecting with operator and rotating in single direction in company with the motor driving, and locking device contained in the housing. Power tool has self-locking mechanism which can lock the output shaft no need additional tools or holding force. The locking act can be easier and safer.
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