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Priority to ES86850UpriorityCriticalpatent/ES86850Y/en
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Publication of ES86850YpublicationCriticalpatent/ES86850Y/en
An improved elastic shank, characterized by being constituted by a sheet of parallel sides whose contour determines two zones, one at each end of a different width, the shorter one being of shorter width, which is also flat and has a deep notch at its free end. a circular hole in the center, the narrowest part being curved and reinforced over most of its length by a ribbed embossing forming a rib, the narrow part carrying an elongated hole practiced very close to the free end. (Machine-translation by Google Translate, not legally binding)