发明名称 Portable washer cutters
摘要 The portable washer cutter of this invention comprises a pair of enclosures adapted to be interconnected and operative to rotate to progressively close the two enclosures together. A cutting knife edge secured in one enclosure progressively engages with each rotation a flat washer blank supported in the other enclosure to produce a desired central cut-out from the washer blank.
申请公布号 US4773798(A) 申请公布日期 1988.09.27
申请号 US19870082194 申请日期 1987.08.05
申请人 THE GENERAL INDUSTRIES COMPANY 发明人 GASTER, IVAN;LONGO, NORRIE S.
分类号 B26F1/38;(IPC1-7):B26D3/00 主分类号 B26F1/38
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