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.)
NSK Ltd
Sakamura Machinery Co Ltd
Original Assignee
NSK Ltd
Sakamura Machinery 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 NSK Ltd, Sakamura Machinery Co LtdfiledCriticalNSK Ltd
Priority to JP8980177ApriorityCriticalpatent/JPS5425352A/en
Publication of JPS5425352ApublicationCriticalpatent/JPS5425352A/en