发明名称 Gutter hanger
摘要 A plastic gutter or eavestrough hanger for plastic symmetrical guttering with a cantilever support member with a lip or plurality of lips to interact with a similar corresponding lip or lips on symmetrical guttering to provide vertical support with lateral rigidity while allowing relative motion between the gutter hanger and the symmetrical guttering during times of expansion and contraction.
申请公布号 US4776544(A) 申请公布日期 1988.10.11
申请号 US19870064906 申请日期 1987.06.19
申请人 WILLIAMS, ROBERT M. 发明人 WILLIAMS, ROBERT M.
分类号 E04D13/072;(IPC1-7):E04D13/06 主分类号 E04D13/072
代理机构 代理人
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