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Individual
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Individual
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Priority to ES1978244771UpriorityCriticalpatent/ES244771Y/en
Publication of ES244771UpublicationCriticalpatent/ES244771U/en
Application grantedgrantedCritical
Publication of ES244771YpublicationCriticalpatent/ES244771Y/en
Automatic adjustment security door for entry doors in general, characterized in that it comprises in combination a pivoting element integral with the fixed frame of the door, a buckle-like element integral with the door and coupled to said pivot, so as to allow the partial opening only of said door, and means for releasing by command from the inside and outside the said hook elements, in order to allow the total opening of the door. (Machine-translation by Google Translate, not legally binding)
ES1978244771U1978-03-091978-03-09
AUTOMATIC ADJUSTMENT SAFETY HOOK FOR ENTRANCE DOORS IN GENERAL
ExpiredES244771Y
(en)