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.)
Aisin Corp
Original Assignee
Aisin Seiki Co Ltd
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 Aisin Seiki Co LtdfiledCriticalAisin Seiki Co Ltd
Priority to JP15673776ApriorityCriticalpatent/JPS5380656A/en
Publication of JPS5380656ApublicationCriticalpatent/JPS5380656A/en
PURPOSE: To prevent the boom of a crane from dropping by a load by providing one check valve for operating at both starting and luffing time to communicate starting side cylinder chamber with a reservoir in response to the discharge mount of a pump at luffing time.
COPYRIGHT: (C)1978,JPO&Japio
JP15673776A1976-12-241976-12-24Hydraulic circuit for crane
PendingJPS5380656A
(en)