Coating implements with material supply – Solid material for rubbing contact or support therefor – Including holder
Patent
1999-05-28
2000-05-16
Walczak, David J.
Coating implements with material supply
Solid material for rubbing contact or support therefor
Including holder
401 96, 401 57, B43K 1914
Patent
active
060627557
ABSTRACT:
A combination pen casing. The casing is frictionally combined with a predetermined number of sleeves of hollow stepped taper body. The sleeves each includes a smaller diameter upper rim, a large diameter lower rim, a first, second and third neck, a right-angle portion and a first sloped surface formed on the outer periphery, a first, second and third shoulder a circular space and a second sloped surface formed on the inner periphery respectively engageable with the second and third neck, the right-angle portion and the first sloped surface, and a central bore of rough inner periphery formed in the upper rim. When the sleeves are combined, an ink cartridge, a lead or a crayon is frictionally disposed into the central bore. This pen casing is characterized in that the sleeves can be alternately moved from the front end to the rear end of the casing for repeated use so as to waste no materials.
REFERENCES:
patent: 2493892 (1950-01-01), McPhee
patent: 5791798 (1998-08-01), Yu
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