发明名称 Fastener screw with spacer for installing gutters
摘要 A gutter fastener screw is provided including a body having a cylindrical configuration with a first length and a first predetermined diameter. A tip is included having a second length less than +E,fra 1/4+EE of the first length. The tip is coupled to a bottom end of the body and includes a screw extent having a second diameter +E,fra 1/2+EE the first diameter with a plurality of threaded screw grooves formed in an outer surface thereof. A drill extent is integrally coupled to a bottom end of the screw extent with a drill bit groove formed in an outer surface thereof.
申请公布号 US5897279(A) 申请公布日期 1999.04.27
申请号 US19980041430 申请日期 1998.03.12
申请人 BENTLEY, R. WILLIAM;ZITO, RAYMOND B. 发明人 BENTLEY, R. WILLIAM;ZITO, RAYMOND B.
分类号 F16B35/00;(IPC1-7):F16B25/00;E05D13/00 主分类号 F16B35/00
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