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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CAV Ltd
Original Assignee
CAV Ltd
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Filing date
Publication date
Application filed by CAV LtdfiledCriticalCAV Ltd
Priority to ES0239331ApriorityCriticalpatent/ES239331A3/en
Publication of ES239331A3publicationCriticalpatent/ES239331A3/en
Electric apparatus for the operation of doors, characterized by comprising a relay provided with two fixed contacts and a mobile contact that cooperates with them as well as a spring that deflects the mobile contact to the position corresponding to the opening of the door; an electromagnet that deflects said movable contact to the position corresponding to the closing of the door; a switch moved by the door, and a supplementary circuit governed by it; so that, in case of failure of the power supply, the electromagnet is energized by the current of the supplementary circuit mentioned, when the supply is restored. (Machine-translation by Google Translate, not legally binding)
ES0239331A1957-12-201957-12-20Electrical appliance for the operation of doors (Machine-translation by Google Translate, not legally binding)
ExpiredES239331A3
(en)