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.)
YAGAMI KOGYO KK
YAGAMI KOUGIYOU KK
Original Assignee
YAGAMI KOGYO KK
YAGAMI KOUGIYOU 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 YAGAMI KOGYO KK, YAGAMI KOUGIYOU KKfiledCriticalYAGAMI KOGYO KK
Priority to JP9900175ApriorityCriticalpatent/JPS5225357A/en
Publication of JPS5225357ApublicationCriticalpatent/JPS5225357A/en
PURPOSE: To effect quick operation by quickly moving a hook in the up and down directions by locking a drive shaft and a load chain wheel without driving a speedreduction means under the conditions of no load.