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US 5,026,189 AGranted
Writing implement with coaxial alternately usable tips
AssigneeFirma Merz & Kreel GmbH & Co.
InventorGeorg Keil
Life of this patent
Estimating the term…
Abstract
A writing utensil, in particular a fibre pen, marking pen or liner with two optionally usable, different writing tips is provided which are disposed at the same end of the writing utensil and nested into each other and can thus be jointly supplied by a writing material reservoir.
Claims10
A writing implement comprising:
- a hollow body extending along and centered on an axis;
- a reservoir tampon in the body holding a supply of ink;
- a casing fixed in the body over the reservoir tampon;
- a small-diameter core writing element having a rear end fixed in and projecting rearwardly through the casing into the reservoir tampon and a front end;
- a sleeve slidable axially in the body adjacent and around the core element;
- and
- a large-diameter outer writing element formed with a central throughgoing small-diameter bore through which the core element extends slidably, the outer element having a rear end fixed in the slidable sleeve and projecting into the reservoir tampon and a front end, the sleeve and outer element being axially jointly displaceable between a forward position with the front end of the outer element level with the front end of the core element and a rear position with the front end of the core element projecting axially outward past the front end of the outer element.
4 more elements
Dependencies are inferred from the claim text.