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PINOL ARDERIU JUAN
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PINOL ARDERIU JUAN
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Application filed by PINOL ARDERIU JUANfiledCriticalPINOL ARDERIU JUAN
Priority to ES0015881UpriorityCriticalpatent/ES15881U/en
Publication of ES15881UpublicationCriticalpatent/ES15881U/en
One meter of folding wood, which is characterized by having metal plates strongly joined to the ends of the articulated arms on the friction faces, one of these plates having a concave recess in a centered and longitudinal position and the other insert a convex projection on the friction face of form and position complementary to the concavity of the other insert, both plates being crossed at its center by the pivot of articulation, which at one end rests directly on the outer face of the concavity of a insert between this and the corresponding arm, and at the other end in a spring or spring attached to the concavity of the protrusion of the other insert, ie between it and the corresponding arm, so that this spring or spring tends to press between yes the two plates, independently of the wooden arms. (Machine-translation by Google Translate, not legally binding)
ES0015881U1947-06-301947-06-30Foldable wooden subway (Machine-translation by Google Translate, not legally binding)
PendingES15881U
(en)