发明名称 Tool having quick attach system for replacing the working element
摘要 A tool having an exceptionally sharp replaceable working element, in which the edges of the working element are protected by elongated rods, and a handle for the tool having parallel slots therein and the rods being wedged in the slots to hold the working element firmly in place during use.
申请公布号 US2004247403(A1) 申请公布日期 2004.12.09
申请号 US20030454072 申请日期 2003.06.04
申请人 GRACE RICHARD;GRACE JEFF;MASON RANDALL 发明人 GRACE RICHARD;GRACE JEFF;MASON RANDALL
分类号 A47J43/25;A47J43/28;(IPC1-7):B23D71/04 主分类号 A47J43/25
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