Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Katsuyuki Totsu0
Date of Patent
November 12, 2019
0Patent Application Number
144340640
Date Filed
September 25, 2013
0Patent Citations Received
...
Patent Primary Examiner
Patent abstract
In an electric driver configured such that a driver bit is coupled to a drive output shaft of an electric motor via a clutch mechanism to perform screw tightening operations, an automatic screw tightening control method and a device in which setting is performed such that an appropriate screw tightened state and various inappropriate screw tightened states in a screw tightening operation can be confirmed and determined, simply and reliably are provided.
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