发明名称 Coupling spool
摘要 A spool for coupling a fence picket to a support member. The spool comprises a generally cylindrical body having an opening extending generally perpendicular to the longitudinal axis of the cylindrical body such that the picket may be passed through the cylindrical body at the opening. The spool is sized to fit within the support member to guide the rotation between the picket and the support member.
申请公布号 US6299143(B1) 申请公布日期 2001.10.09
申请号 US20000476565 申请日期 2000.01.03
申请人 VALENTINE & COMPANY 发明人 VALENTINE HEATH E.
分类号 E04H17/14;(IPC1-7):E04H17/14 主分类号 E04H17/14
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