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Individual
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Individual
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Priority to ES1977228951UpriorityCriticalpatent/ES228951U/en
Publication of ES228951UpublicationCriticalpatent/ES228951U/en
Closing And Opening Devices For Wings, And Checks For Wings
(AREA)
Abstract
Security chain for doors, characterized in that one end of the chain is fixed to a ratchet in a lock arranged in the lintel jamb and the other end, as usual, in a shield where there is a guide by which the the end of the chain can be removed through the wide part of that guide to cross the door, this chain having the special utility that it can be accessible from both inside and outside, for which, from the outside, the door, by the small angle of opening that determines the chain put, by means of a key is acted on a lock arranged in the jamb of the door and the end of the chain anchored in the same in a fork as a ratchet is detached, with what is left open. (Machine-translation by Google Translate, not legally binding)
ES1977228951U1977-06-011977-06-01Security chain for doors (Machine-translation by Google Translate, not legally binding)
PendingES228951U
(en)
Mechanism of locksmith for windows, of swing opening, of normal practicable opening and of closure, with a single driving handle. (Machine-translation by Google Translate, not legally binding)