发明名称 Scaffold stair
摘要 A scaffold stringer which is plate and a series of tread mounts attached at substantially uniform distances along the plate, the tread mounts forming an angle with the plate, each tread mount having an associated finger projection positioned above each tread mount and projecting outwardly from the stringer, the scaffold stringer additionally has least one attachment member for attaching the stringer to a scaffold structure.
申请公布号 US6415891(B1) 申请公布日期 2002.07.09
申请号 US20000709115 申请日期 2000.11.08
申请人 HAYMAN YATES WESTLEY;HENSLEY KENNETH RAY 发明人 HAYMAN YATES WESTLEY;HENSLEY KENNETH RAY
分类号 E04F11/00;E04F11/025;E04G5/10;(IPC1-7):E04G7/00 主分类号 E04F11/00
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