The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 07, 2012
Filed:
Dec. 18, 2007
Applicants:
Chengzhong Chen, Jiangsu, CN;
Hongfeng Zhong, Jiangsu, CN;
Inventors:
Chengzhong Chen, Jiangsu, CN;
Hongfeng Zhong, Jiangsu, CN;
Assignee:
Positec Power Tools (Suzhou) Co., Ltd., Suzhou, CN;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B25F 5/00 (2006.01);
U.S. Cl.
CPC ...
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.