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Priority to ES0005890UpriorityCriticalpatent/ES5890Y/en
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Publication of ES5890YpublicationCriticalpatent/ES5890Y/en
An articulation for folding meters characterized by the fact that the bolt or plank that acting as axis of rotation links the metal heads has one of its heads retaining the lower head its body through the base of the cavity embedded in the upper head and its other head retaining a spring located in that cavity pierced by the bolt so that the ends of said spring exert intense pressure against the head that contains all of which is equivalent to achieve a mutual pressure between the heads indirectly through a spring properly located and linked to the pin that acts as axis of rotation. (Machine-translation by Google Translate, not legally binding)
ES0005890U1940-06-211940-06-21
Joints for folding meters.
ExpiredES5890Y
(en)
A screw of polished steel also called of hexagonal head to the base of calibrated rounded rod threaded in its two extremities, placing in one of them the head or nut and fixing it with a pin cylindrical prisoner introduced to pressure in (Machine-translation by Google Translate, not legally binding)