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Priority to ES0313509ApriorityCriticalpatent/ES313509A2/en
Publication of ES313509A2publicationCriticalpatent/ES313509A2/en
Improvements in the object of the main patent No. 301050 for "Perfection in spring mechanisms for elastic doors", consisting essentially of arranging the contact roller with the stabilizing cam, rotating on the forked end of a longitudinal plate and coplanar with the plane of the door, which bears against the spring and is guided between two longitudinal pads adjustable transversely to the tubular housing. (Machine-translation by Google Translate, not legally binding)
ES0313509A1965-05-141965-05-14Improvements in spring mechanisms for elastic doors. (Machine-translation by Google Translate, not legally binding)
ExpiredES313509A2
(en)