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Priority to ES0073868UpriorityCriticalpatent/ES73868Y/en
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Publication of ES73868YpublicationCriticalpatent/ES73868Y/en
NEW MECHANICAL MEANS FOR THE MOVEMENT OF THE BACKREST IN THE ARMCHAIRS, essentially characterized by the fact that they are constituted by a lever whose central point of support is mobile and given by a tension spring, whose lever has, at one of its ends, an occluded head in a slide and capable of engaging in notches made in the slide itself, on which there is an external control rod for the eventual movement of the head of the lever; the rear end of the lever being joined to an axis of rotation integral with the middle part of the armchair backrest, which in turn has a supporting pivot axis in its lower part. (Machine-translation by Google Translate, not legally binding)
ES0073868U1959-05-231959-05-23
Mechanical means for the movement of the backrest in the armchairs
ExpiredES73868Y
(en)