Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Seiken Kogyo KK
Original Assignee
Seiken Kogyo KK
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Seiken Kogyo KKfiledCriticalSeiken Kogyo KK
Priority to JP9781575ApriorityCriticalpatent/JPS5222264A/en
Publication of JPS5222264ApublicationCriticalpatent/JPS5222264A/en
Leg Units, Guards, And Driving Tracks Of Cranes
(AREA)
Abstract
PURPOSE: Change-over apparatus for juxtaposed ceiling cranes disposed at the intermediate position of adjacent beam-running rails and enabling a hoisting apparatus to change the rail when both moving beams coincide with each other on their extension line.