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Individual
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Individual
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Priority to ES0044504UpriorityCriticalpatent/ES44504U/en
Publication of ES44504UpublicationCriticalpatent/ES44504U/en
Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments
(AREA)
Abstract
New mechanical pencil of those constituted by a hollow body, inside which is lodged and can move longitudinally, within previously fixed limits, a tubular soul in one of whose ends is screwed a conical bushing provided with longitudinal cuts while on the other and through a flange arranged for this purpose, the tension of a suitable spring acts, which keeps closed the longitudinal cuts of said bushing, characterized by the fact of having along the inner core mentioned, a slot that, by rotation, can coincide with any of those that appear around the soul mentioned like openings of other compartments inside which lodge soft or hard mines and of suitable colors which, by means of suitable movements that manually are printed to the set of the pencil, occupy or evict their corresponding compartment to move to occupy the core of the referred soul from where, by appropriate movements of the same through its extreme walloon, or through the outer body of the pen, remaining still the inner device, happens to occupy the hole of the extreme pressure bushing in which they are fixed and retained by the pressure of the arranged spring to the effect. (Machine-translation by Google Translate, not legally binding)
ES0044504U1954-10-161954-10-16New pencil pen (Machine-translation by Google Translate, not legally binding)
PendingES44504U
(en)