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Individual
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Individual
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Priority to ES102797UpriorityCriticalpatent/ES102797Y/en
Publication of ES102797UpublicationCriticalpatent/ES102797U/en
Application grantedgrantedCritical
Publication of ES102797YpublicationCriticalpatent/ES102797Y/en
Sharpen pencils characterized by comprising a main body or box and a lid capable of rotating on the axis of symmetry of the set keeping the body or box fixed; inside said body is an element that is essentially the sharpening element and is fixed to it by a rod threaded at both ends by one of which is attached to the bottom of the box by threatening the other a nut for the fixing the lid to the box; a spring is arranged on said rod, which by means of the pressure exerted by a pin situated in the center of the lid and which passes through the rod cooperates in the fixing of said sharpening element; the cap comprises, arranged in the vicinity of its periphery, a hollow cylindrical extension through which the pencil or pencil to be sharpened is introduced so that the end of the mine coincides with a roughened surface provided in the sharpening element disposed in such a way that turn said lid with the pencil or mechanical pencil already arranged in it, the end of the mine acquires the desired sharpening. (Machine-translation by Google Translate, not legally binding)