发明名称 Ladder assembly
摘要 A ladder assembly, primarily for use on trucks and other vehicles, has a ladder slidable between a retracted, stored position in a ladder storage assembly, and an extended, operative position in which the ladder projects from an extrance of the storage assembly. First and second retainers are provided for retaining the ladder relative to the storage assembly in the stored and operative positions, respectively, and the ladder has opposed lateral projections slidable along guides formed by parallel side members having U-shaped cross-sections the side members being spaced apart to receive the ladder therebetween and forming opposite sides of the storage assembly.
申请公布号 US4139078(A) 申请公布日期 1979.02.13
申请号 US19770846354 申请日期 1977.10.28
申请人 KELLER, JOHN R. 发明人 KELLER, JOHN R.
分类号 B60R3/02;E06C5/02;(IPC1-7):E06C5/04 主分类号 B60R3/02
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