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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Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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Filing date
Publication date
Application filed by Mitsubishi Electric CorpfiledCriticalMitsubishi Electric Corp
Priority to JP1879677ApriorityCriticalpatent/JPS5928518B2/en
Publication of JPS53104949ApublicationCriticalpatent/JPS53104949A/en
Publication of JPS5928518B2publicationCriticalpatent/JPS5928518B2/en
PURPOSE: To deenergize a door drive unit of the door device for an elevator cage if the door is abnormally opened or closed in one closing or opening stroke when the door is reversely driven in case that an overload is applied to the moving door while the door is closing or opening.
COPYRIGHT: (C)1978,JPO&Japio
JP1879677A1977-02-231977-02-23
Elevator door device
ExpiredJPS5928518B2
(en)