发明名称 TREE LADDER
摘要 TREE LADDER A sportsman's ladder for allowing convenient climbing of trees and the like includes a number of sections assembled together in telescoping relationship. Each section has secured thereto a plurality of spaced-apart steps extending laterally from opposite sides thereof in an alternating manner. The ladder further includes a tree engaging means for mounting the ladder to a tree.
申请公布号 CA1293484(C) 申请公布日期 1991.12.24
申请号 CA19880580488 申请日期 1988.10.18
申请人 ANDREWS, DALE D.;ANDREWS, DURWOOD T. 发明人 ANDREWS, DALE D.;ANDREWS, DURWOOD T.
分类号 E06C1/36;E06C1/38;(IPC1-7):E06C1/10 主分类号 E06C1/36
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