发明名称 Safety entrance for garbage grinder
摘要 A guarding device to guard a household garbage grinder from inadvertent introduction of metal material into said grinder. The guard comprises a magnet around the entrance to the grinder to form a magnetic field across the entrance so that ferrous metals will be attracted to the magnet.
申请公布号 US6000643(A) 申请公布日期 1999.12.14
申请号 US19970954117 申请日期 1997.10.20
申请人 GELDER, CHARLES VAN 发明人 GELDER, CHARLES VAN
分类号 E03C1/266;(IPC1-7):B02C18/42 主分类号 E03C1/266
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