发明名称 Tubular writing pen
摘要 A tubular or stylus pen of the type comprising a cylindrical body provided with an axial inner bore, having at its front end a writing tube and an outer surface defining an ink equalizing chamber, further including a casing element with a portion receivably mounted upon the cylindrical body and adapted for sealing the ink equalizing chamber, wherein the improvement comprises a tubular extension upon the cylindrical body, extending rearwardly and connecting the cylindrical body and the ink supply chamber, the tubular extension together with the casing element defining means to allow the tubular extension to be moved forward to a limited extent within said casing element to thereby expose the ink equalizing chamber on the outer surface of the cylindrical body for cleaning without a complete disassembly of the pen.
申请公布号 US3955894(A) 申请公布日期 1976.05.11
申请号 US19750553412 申请日期 1975.02.26
申请人 KOH-I-NOOR RAPIDOGRAPH, INC. 发明人 JOZAT, WALTER
分类号 B43K5/00;B43K8/18;(IPC1-7):B43K1/10 主分类号 B43K5/00
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