发明名称 Apparatus and method for windlocking a building opening
摘要 A track system for use in a windlocking apparatus is disclosed and claimed. One embodiment includes a housing piece and an interfitting piece. The housing piece includes a channel and the interfitting piece includes a key which slidingly mates with the channel. The housing piece and the interfitting piece each have flanges having smooth contours thereon. Another embodiment employs a track having a first piece and a second piece with the first piece having at least one groove therein and the second piece having at least one protrusion thereon. The protrusion of the second piece interfits with groove of the first piece interlocking the first and second pieces together.
申请公布号 US2001027848(A1) 申请公布日期 2001.10.11
申请号 US20010851869 申请日期 2001.05.09
申请人 MULLET WILLIS J.;HUDOBA MARK S. 发明人 MULLET WILLIS J.;HUDOBA MARK S.
分类号 E06B9/40;E06B9/58;(IPC1-7):E06B9/17 主分类号 E06B9/40
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