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Priority to ES0273120ApriorityCriticalpatent/ES273120A1/en
Publication of ES273120A1publicationCriticalpatent/ES273120A1/en
Improvements in mechanisms for wrenches, characterized in that the movable clamp, sliding in the guide of the fixed clamp, has in its lower part two recesses in the form of an isosceles triangle, between which there remains a trapezoidal tooth, with whose toothing corresponds the shape of the upper part of the handle, which is of V, of curved branches, forming a bicuspid, and on either side of them it presents recesses at right angles; whose assembly constitutes the gear of the rack of the movable jaw, so that the extreme positions of the handle correspond to the maximum and minimum opening of said jaws. (Machine-translation by Google Translate, not legally binding)
ES0273120A1961-12-201961-12-20Improvements in mechanisms for nut keys (Machine-translation by Google Translate, not legally binding)
ExpiredES273120A1
(en)