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Priority to ES1972184692UpriorityCriticalpatent/ES184692Y/en
Publication of ES184692UpublicationCriticalpatent/ES184692U/en
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Publication of ES184692YpublicationCriticalpatent/ES184692Y/en
Descender and elevator element with built-in immobilization, characterized to be constituted by a reel mounted on a transverse axis comprised within it which is threaded a spring that determines the permanent recovery of the reel and a thread of strong and strong little thickness rolled in the same and whose axis is included within said reel, pivoting at its ends through a limiter and a screw, on the holes of a support formed by two broken and facing plates. (Machine-translation by Google Translate, not legally binding)
ES1972184692U1972-10-171972-10-17
LOWER AND ELEVATOR ELEMENT WITH BUILT-IN IMMOBILIZER.
ExpiredES184692Y
(en)