Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Eiji Wada0
Takanori Izumi0
Date of Patent
December 7, 2010
Patent Application Number
11875160
Date Filed
October 19, 2007
Patent Citations Received
Patent Primary Examiner
Patent abstract
A safety frame is provided to face a lid at a position where an article is held by an overhead traveling vehicle. A lower frame of the safety frame is movable upwardly relative to an upper frame of the safety frame. Further, an optical axis of a photoelectric sensor is provided between the lower frame and the upper frame.
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