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SCRIPTO INS
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SCRIPTO INS
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Priority to ES0030626UpriorityCriticalpatent/ES30626Y/en
Publication of ES30626UpublicationCriticalpatent/ES30626U/en
Application grantedgrantedCritical
Publication of ES30626YpublicationCriticalpatent/ES30626Y/en
Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments
(AREA)
Abstract
Mechanical writing instrument characterized by comprising a drum, a feeder mechanism including a rotating, longitudinally split guide tube, disposed in said drum for supplying a marker element to the writer end of said drum, and a friction element having a key portion formed for fitting into the longitudinal slot in said guide tube and arcuate arm portions extending from said key portion for frictional engagement internally with said drum to restrict the rotation of said guide tube under the writing pressure. (Machine-translation by Google Translate, not legally binding)
ES0030626U1952-04-041952-04-04
Mechanical instrument for writing
ExpiredES30626Y
(en)