发明名称 FASTENER APERTURE HAVING AN ELONGATED GEOMETRY
摘要 An apparatus includes a substrate having one or more fastener apertures that extend therethrough. Each fastener aperture has a centerline and includes first and second circular segmented regions and a central channeled region. Each circular segmented region has a diameter and a segment length that extends along the centerline, wherein the segment length is greater than one-half the diameter. The central channeled region extends along the centerline between the first and the second circular segmented regions. The central channeled region has a height that is less than the diameter of the first and the second circular segmented regions.
申请公布号 US2011206519(A1) 申请公布日期 2011.08.25
申请号 US20100711791 申请日期 2010.02.24
申请人 UNITED TECHNOLOGIES CORPORATION 发明人 HEINEMANN KURT R.;RING MARK DAVID
分类号 F01D5/30;B23B35/00;B23C3/00;B32B3/10 主分类号 F01D5/30
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