发明名称 Refill eraser
摘要 A refill eraser comprises at least one refill member. Each refill member includes a holding barrel having a partition portion and a plurality of rotation-preventive ridges formed on an inner peripheral surface of its front portion, and an eraser body having a generally frustro-conical front end portion, a cylindrical intermediate portion, and a cylindrical rear end portion. The eraser body is press-fitted into and held at its rear end portion and intermediate portion within the front portion of the holding barrel with its rear end portion and intermediate portion engaged with the ridges and with its rear end supported by the partition portion. The front end portion of the eraser body protrudes from the front end of the holding barrel. A plurality of the refill members are refillably held within an elongated tubular shaft. A front end of the eraser body located on the foremost end protrudes from a front end of the tubular shaft.
申请公布号 US5345652(A) 申请公布日期 1994.09.13
申请号 US19940182759 申请日期 1994.01.14
申请人 PIONEER INDUSTRIAL CO. 发明人 CHUANG, CHENG-HWA
分类号 B43K23/12;B43L19/00;(IPC1-7):B43L19/00 主分类号 B43K23/12
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