发明名称 AN OVERHEAD DOOR TRACK SYSTEM
摘要 <p>An overhead door track system has a roller stop integrally formed with a track member to prevent the rollers of an overhead door from moving off the track. A back hang angle is secured to the horizontal track member forward of the roller stop.</p>
申请公布号 WO2008036193(A2) 申请公布日期 2008.03.27
申请号 WO2007US19919 申请日期 2007.09.13
申请人 ARROW TRU-LINE, INC.;BARNHART, WILLIAM, B. 发明人 BARNHART, WILLIAM, B.
分类号 E05D15/00 主分类号 E05D15/00
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