Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Chao-Chih Liu0
Date of Patent
February 3, 2015
0Patent Application Number
137723350
Date Filed
February 21, 2013
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A wrench device includes a handle, a driving member and a driving sleeve, the handle having a fork portion defined at one end thereof, the fork portion being pivotally assembled with the driving member, the handle having a screwing portion defined at another end thereof, a screwing hole being opened at one end of the screwing portion, an opening of the screwing hole being opposite to the fork portion, the driving sleeve sleeving on an outer periphery of the screwing portion. Under this arrangement, a user applies a sleeving member to sleeve on the driving member so as to screw or unscrew a bolt; in addition, the user also can operate the screwing portion of the wrench device to screw or unscrew the bolt.
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