发明名称 Oil filter wrench
摘要 An oil filter wrench comprising a gripping strap having an inner and outer surface, a handle for tightening the gripping strap. Gripping fingers extending inwardly from the gripping strap, each gripping finger being round and symmetrical and having a smooth convex gripping inner surface and a smooth concave outer surface. The fingers are provided on the strap in spaced relationship to each other in clusters of nine at spaced intervals around the strap, arranged in parallel rows of three each.
申请公布号 US6520052(B1) 申请公布日期 2003.02.18
申请号 US20000590121 申请日期 2000.06.09
申请人 GREAT NECK SAW MANUFACTURERS, INC. 发明人 SAUNDERS JAMES;WEBB SCOTT
分类号 B25B13/52;B25B27/00;(IPC1-7):B25B13/52 主分类号 B25B13/52
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