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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric 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 Toshiba Corp, Tokyo Shibaura Electric Co LtdfiledCriticalToshiba Corp
Priority to JP6465276ApriorityCriticalpatent/JPS52147745A/en
Publication of JPS52147745ApublicationCriticalpatent/JPS52147745A/en
PURPOSE:To constitute an automatic shatter mechanism which is opened and closed automatically, reduce its open and close space and housing space to make use of an internal space and secure the safety of maintenance persons by establishing expansion dusboards whose area is changed in front of a stator.