Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yu-Han Lu0
Date of Patent
April 19, 2011
0Patent Application Number
122404070
Date Filed
September 29, 2008
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A hand tool comprises a support, a handle, at least two spindles, a driver, at least two followers and at least two spanners. The handle is rotatably mounted on a middle portion of the support. The at least two spindles are respectively fixed to two opposite ends of the support by ends thereof. The driver is mounted on an end of the handle. The at least two followers are respectively rotatably attached on another end of each spindle and drivably connected with driver. The at least two spanners are attached on a surface of each follower which is away from the corresponding spindle.
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