Pivotable pen tip
AssigneeKoh-I-Noor Rapidograph, Inc.
InventorsPeter Felgentreu, Klaus-Joachim Meinert
Life of this patent
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Abstract
In a tube pen tip with a writing tube (3) supported in the front end of a pen body (1) where the writing tube (3) is pivotable against a resilient pressure means in a limited way in all directions around a point located on the writing tube center axis (11) and inside of the pen body (1). The rear end of the writing tube (3) is movably braced against axial displacement by a guide surface (6) that is centrosymmetrically located in the pen body (1) on a central axis (11) of the unpivoted writing tube (3).
Claims13
In a tubular writing pen of the type having a pen body (1) comprising a writing tube (3) adapted to permit ink to flow therethrough and a drop weight body, whereby a front section of the writing tube has a cleaning wire (2) extending from said drop weight body and along a center axis (11) and into the writing tube (3), the improvement which comprises a writing tube (3) clamped against a resilient pressure means and pivotable in a limited way in all directions around a point located on said center axis (11) and inside the pen body (1), wherein further a writing tube (3) rear end has means to movably brace said writing tube against axial displacement through sliding contact with a guide surface (6) that is provided centrosymmetrically in the pen body (1) and about said center axis (11) of the unpivoted writing tube (3).
Dependencies are inferred from the claim text.