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Priority to ES0180652ApriorityCriticalpatent/ES180652A1/en
Publication of ES180652A1publicationCriticalpatent/ES180652A1/en
Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments
(AREA)
Abstract
Perfeccionamiento en los lapiceros automáticos de mina deslizable caracterizado por el hecho de que el avance de la mina se realiza deslizándose en virtud de su propio peso por el interior de un tubo alojado en el mango del lapicero el cual termina en una mordaza de boca segmentada para que sea elástica que aprisiona la mina cuando ya ha sobresalido por la punta del lapicero quedando retenida durante el uso con imposibilidad de retroceder bajo la presión que se ejerce al escribir.Improvement in automatic sliding lead pens characterized by the fact that the lead is advanced by sliding under its own weight through the interior of a tube housed in the handle of the pencil which ends in a segmented jaw for that it is elastic that imprisons the lead when it has already protruded through the tip of the pen, being retained during use with the impossibility of moving back under the pressure exerted when writing.
ES0180652A1947-11-151947-11-15
AN IMPROVEMENT IN THE AUTOMATIC MOVABLE MINE PENCILS
ExpiredES180652A1
(en)