Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
January 17, 2012
Patent Application Number
12578397
Date Filed
October 13, 2009
Patent Citations Received
Patent Primary Examiner
Patent abstract
A two-section tool joint comprises a first rod, an engaging element, a second rod and a limiting element. The two-section tool joint utilizes an elastic engaging structure to obtain an engaging effect during a multi-angle screwing/unscrewing operation, meanwhile, the tool joint can be fixed stably, avoiding the retraction of the tool joint and reducing the difficulty and inconvenience of the screwing/unscrewing operation.
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