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.)
Individual
Original Assignee
Individual
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 IndividualfiledCriticalIndividual
Priority to ES0056900UpriorityCriticalpatent/ES56900Y/en
Publication of ES56900UpublicationCriticalpatent/ES56900U/en
Application grantedgrantedCritical
Publication of ES56900YpublicationCriticalpatent/ES56900Y/en
"HINGE WITH SPRING, TO CAUSE AUTOMATIC OPENING", characterized by the fact that in the central part of the hinge and in the free space determined between two of the alternating sleeves that form both sheets, when being crossed by the common pin, a spiral spring has been arranged, superimposed on said pin, the ends of said spring extending, forming two angled arms, directed in the opposite direction, which exert pressure against the respective leaves of the hinge, to cause its automatic opening, when the retention that kept the door, window or other door closed, to which the hinge is applied. (Machine-translation by Google Translate, not legally binding)
ES0056900U1956-10-261956-10-26
Spring hinge to trigger automatic opening
ExpiredES56900Y
(en)