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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Li An Y Tavira Fernando De
Original Assignee
Li An Y Tavira Fernando De
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Filing date
Publication date
Application filed by Li An Y Tavira Fernando DefiledCriticalLi An Y Tavira Fernando De
Priority to ES0007103UpriorityCriticalpatent/ES7103Y/en
Publication of ES7103UpublicationCriticalpatent/ES7103U/en
Application grantedgrantedCritical
Publication of ES7103YpublicationCriticalpatent/ES7103Y/en
Closing And Opening Devices For Wings, And Checks For Wings
(AREA)
Extensible Doors And Revolving Doors
(AREA)
Abstract
Hinges for automatic closing doors essentially characterized by lack of elements that ensure that closure as springs pistons etc achieving its operation exclusively by the action of gravity on the same mass of the door. (Machine-translation by Google Translate, not legally binding)
Device that regulates and ensures the closing and opening of doors, windows and similar. (Machine-translation by Google Translate, not legally binding)