发明名称 Multi-material cover for a ladder rail end
摘要 A cover for an end of a ladder rail is provided. In one preferred form, the cover comprises a shell and a tread. The shell comprises at least one material, whereas the tread comprises at least one other material. The shell is sized to engage the ladder rail. The tread is engaged with the shell at least partially by at least one bond, which comprises at least a portion of the shell and at least a portion of the tread.
申请公布号 US2004020715(A1) 申请公布日期 2004.02.05
申请号 US20020207926 申请日期 2002.07.30
申请人 SWIDERSKI PAUL R.;GIBSON DONALD L.;GAYNOR MICHAEL S.;CHEVALIER ERIC V. 发明人 SWIDERSKI PAUL R.;GIBSON DONALD L.;GAYNOR MICHAEL S.;CHEVALIER ERIC V.
分类号 E06C7/46;(IPC1-7):E06C7/42 主分类号 E06C7/46
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