发明名称 A FASTENER HAVING TORQUE REDUCING THREAD
摘要 A gutter fastener (10) having a first shank portion (14) with a head (12a) integrally formed on one end and a second shank portion (16) integrally formed with the opposite end. The first shank portion has a length (L1) substantially equal to the water collecting opening in a gutter (20), while the second shank portion has a length (L2) substantially equal to one half the length of the first shank portion. The second shank portion includes screw-like threads (50) for engaging the facial panel (24) behind a gutter and enabling a more secure connection between the two.
申请公布号 CA2307587(A1) 申请公布日期 1999.05.14
申请号 CA19982307587 申请日期 1998.10.27
申请人 WILLERT, WAYNE A. 发明人 WILLERT, WAYNE A.
分类号 F16B25/10;E04D13/072;F16B35/04;(IPC1-7):F16B25/00;B21H3/02 主分类号 F16B25/10
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