发明名称 Scissor cutting edge safeguard
摘要 A pair of scissor blades illustrated in (FIG. 4); each blade comprising a cutting edge (3) arranged below a blade protuberance relative to the direction of the cutting stroke. The protuberance comprises a cutting edge grinding surface (4), a pressing ridge (5) and a blade side surface (6). The protuberance presses on skin creating sensitive reactions in the user prior to the rear located cutting edge damaging the skin. The cutting edge degree of sharpness is predetermined at the factory. A method of manufacturing the invention and for modifying standard prior art scissor blade shapes by grinding a cutting edge at a new angle of sharpness that inherently produces the safeguarding blade protuberance.
申请公布号 US6305088(B1) 申请公布日期 2001.10.23
申请号 US20000514850 申请日期 2000.02.28
申请人 NOVINGER HARRY E.;NOVINGER GARY D.;HOWEY CARLA S.;NOVINGER NANCY K. 发明人 NOVINGER HARRY E.;NOVINGER GARY D.;HOWEY CARLA S.;NOVINGER NANCY K.
分类号 B26B13/06;(IPC1-7):B26B13/00;B21K11/06 主分类号 B26B13/06
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