JPS619436U

JPS619436U - ladder unit

Info

Publication number: JPS619436U
Application number: JP9481484U
Authority: JP
Inventors: 敦西山
Original assignee: 松下電工株式会社
Priority date: 1984-06-25
Filing date: 1984-06-25
Publication date: 1986-01-20

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図はこの考案にかかるはしごユニットの１実施例の
斜視図、第２図は同はしごユニットの動作説明図、第３
図はこの考案にかかるはしごユニットの別の実施例にお
ける枠体の一部の斜視図、第４図のａ，−ｂは、同はし
ごユニットの踏み板となる板体および支持金具の動作説
明図、第５図のａ，ｂは、長さ調節手段がはしごの下
端に設置された状態の正面図、第６図は第５図のａにお
けるＡ−Ａ’線に沿ってみた断面図である。１・・・天井開口部、２，２’・・・枠体、３・・・蓋
体、４・・・折りたたみ式はしご、５．１３・・・踏み
板となる板体。Fig. 1 is a perspective view of one embodiment of the ladder unit according to this invention, Fig. 2 is an explanatory diagram of the operation of the ladder unit, and Fig. 3 is an illustration of the operation of the ladder unit.
The figure is a perspective view of a part of the frame in another embodiment of the ladder unit according to this invention, and FIGS. 5A and 5B are front views of the length adjusting means installed at the lower end of the ladder, and FIG. 6 is a sectional view taken along the line AA' in FIG. 5A. 1...Ceiling opening, 2,2'...Frame body, 3...Lid body, 4...Folding ladder, 5.13...Plate body serving as a step board.

Claims

[Scope of utility model registration request]

(1) A ladder unit that includes a frame placed in a ceiling opening, a lid that can be opened and closed on the frame, and a ladder placed on the lid, with the plate serving as the tread being vertical. A ladder unit characterized in that it is rotatably attached to a frame so that it can be laid down or laid down.

(2) The frame body is formed by combining plate bodies, the frame body is provided with a notch, and the plate body serving as the footboard is
The ladder unit according to claim 1 of the utility model, which is adapted to fit into this notch when it is held vertically.

(3) When the frame has a support for a plate serving as a footboard, the base end of this support is fixed to the frame so as to be rotatable, and the plate serving as a footboard is laid down, The ladder unit according to claim 1 or 2 of the utility model, wherein the tip of the ladder unit is adapted to be placed against the lower surface of the plate.