发明名称 Writing instrument
摘要 PCT No. PCT/GB95/00796 Sec. 371 Date Nov. 20, 1996 Sec. 102(e) Date Nov. 20, 1996 PCT Filed Apr. 6, 1995 PCT Pub. No. WO95/27626 PCT Pub. Date Oct. 19, 1995A modular lead advancing mechanism receivable as an integral unit in a mechanical pencil. The mechanism includes a lead feed for feeding a pencil lead out of a pencil, and a force transmitter for transmitting a force from an operating button on the pencil to operate the lead feed.
申请公布号 US5827000(A) 申请公布日期 1998.10.27
申请号 US19960718410 申请日期 1996.11.20
申请人 PARKER PEN PRODUCTS 发明人 ANDREWS, NEVILLE EDGAR
分类号 B43K21/02;B43K21/16;(IPC1-7):A43K21/02 主分类号 B43K21/02
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