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.)
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Tsubaki Nakashima Co Ltd
Original Assignee
Tsubaki Nakashima 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 Tsubaki Nakashima Co LtdfiledCriticalTsubaki Nakashima Co Ltd
Priority to JP4749075ApriorityCriticalpatent/JPS51124263A/en
Publication of JPS51124263ApublicationCriticalpatent/JPS51124263A/en
Publication of JPS5517760B2publicationCriticalpatent/JPS5517760B2/ja
PURPOSE: To provide a jack device which can reciprocatingly move ball thread nut by the rotation of ball screw to elevationally move load mounting tool via a piston attached integrally to the nut.