Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
July 31, 2018
Patent Application Number
14888640
Date Filed
May 5, 2014
Patent Citations Received
Patent Primary Examiner
Patent abstract
A quick change system for rotary tools is disclosed, particularly hole saws. The system includes an elongate shank and a tool adapter for coupling a rotary tool to the shank. The quick change system includes a rotation blocking, a first axial blocking which can be operated and a second axial blocking which cannot be operated. A shank and a tool adapter for the purpose of forming a quick change system for rotary tools are also disclosed.
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