发明名称 COLLAPSIBLE BLEACHERS
摘要 COLLAPSIBLE BLEACHERS A collapsible bleachers arrangement comprises three frames which are supported when assembled in parallel spaced relation. Across the frames is supported a plurality of seating elements in the form of horizontal planks extending across the three frames. Gangways between the seating elements are also supported across the frames so that the users can stand on the gangway or sit on the seat behind the gangway with the feet remaining on the gangway. The frames includes beams supporting the gangways and these beams are inclined to the horizontal so that the front edge is lower than the rear edge of the gangway. This enables the step height between the gangways to be maintained at approximately six inches while the height difference between one seat and the next adjacent seat can be significantly greater.
申请公布号 CA2006258(A1) 申请公布日期 1991.06.20
申请号 CA19892006258 申请日期 1989.12.20
申请人 NELSON, DAVID H. 发明人 NELSON, DAVID H.;KRAUSS, PAUL
分类号 A47C15/00;(IPC1-7):A47C15/00 主分类号 A47C15/00
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