发明名称 Quick Change Arbor, Hole Cutter, and Method
摘要 An arbor is provided for small diameter quick change and standard hole saws. Each hole saw defines an outer diameter of less than 1¼ inches, a central aperture and at least one drive pin recess. The arbor comprises an arbor body including an end portion engageable within the central aperture, and a drive member having at least one drive pin receivable in a corresponding drive pin recess of the hole saw for rotatably driving the hole saw.
申请公布号 US2009238653(A1) 申请公布日期 2009.09.24
申请号 US20080050844 申请日期 2008.03.18
申请人 IRWIN INDUSTRIAL TOOL COMPANY 发明人 O'KEEFE CHARLES M.;PANGERC JAMES E.
分类号 B27B5/12;B23B35/00;B23B47/00 主分类号 B27B5/12
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