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Priority to ES0007753UpriorityCriticalpatent/ES7753Y/en
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A roman springs characterized in that it is formed by two tubular pieces of diameters such that they can be plugged into one another telescopically being folded or joined together and superimposed by the tension of an inner spring of traction or convergent joined by one from its ends to the upper base of one of the tubular and on the other to the lower base of the other. Presenting fixed on the basis of the first a ring for the suspension of the set of a fixed exterior point and below the second a hook for the suspension of the object to be weighed and finally the fact that the outer tubular piece presents a longitudinal groove coinciding with one of its generatrices on whose edges one or more metric scales of weight will be recorded or recorded; and the fact that the inner tubular piece has an index attached to it that coincides and passing through the groove, indicates on the scale the weights corresponding to the spring distensions due to the suspended weight of the hook. (Machine-translation by Google Translate, not legally binding)
ES0007753U1942-08-241942-08-24
Roman spring.
ExpiredES7753Y
(en)