Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Edward T. Saylor, Jr.0
Date of Patent
June 7, 2016
0Patent Application Number
145633950
Date Filed
December 8, 2014
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A traction unit has carrier sections on which suction cups are mounted that are connected to a vacuum source. The carrier units are driven around the frame by a chain driven by a motor. The frame has sections which move relative to one another in order to permit turning control of the traction unit.
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