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B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
B43K—IMPLEMENTS FOR WRITING OR DRAWING
B43K21/00—Propelling pencils
B43K21/02—Writing-core feeding mechanisms
B43K21/22—Writing-cores gripping means, e.g. chucks
Landscapes
Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments
(AREA)
Description
Hierzu 1 Blatt Zeichnungen.1 sheet of drawings.
Claims (1)
Patent-Anspruch:Patent claim:An mechanischen Bleistiften (sogenannten Künstlerstiften) der auf seiner cylindrischen
Länge mit eingeprefstem Gewinde versehene Theil a, der in eine federnde Pincette ausläuft,
in Combination mit dem drehbaren, ebenfalls mit eingeprefstem Gewinde versehenen Ring b,
durch dessen Drehung die Pincette geöffnet oder behufs Festklemmens des Schreibstiftes geschlossen
wird.On mechanical pencils (so-called artist pencils) the cylindrical length of the part a with a pressed-in thread, which ends in a resilient tweezer, in combination with the rotatable ring b, which is also provided with a pressed-in thread, the rotation of which opens the tweezers or for the purpose of clamping the Pen is closed.