JPH03112717U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は要部構成横断面図、第２図は一部欠截
斜面図、第３図は第２図の矢印Ｚから見た横断面
図、第４図は使用状態を示す横断面略図、第５図
は異なる実施例を示す第６図のＰ−Ｐ断面平面図
、第６図は第５図のＹ−Ｙ断面図である。 符号、１……蛇腹フード、２……谷折れ点、３
……障害阻止金属板、４，５……中空円筒、ａ…
…フード折り山高、ｂ……障害保護安全巾。 Fig. 1 is a cross-sectional view of the main parts, Fig. 2 is a partially cut-away slope view, Fig. 3 is a cross-sectional view taken from arrow Z in Fig. 2, and Fig. 4 is a schematic cross-sectional view showing the state of use. , FIG. 5 is a sectional plan view taken along the line PP in FIG. 6 showing a different embodiment, and FIG. 6 is a sectional view taken along the Y-Y line in FIG. 5. Code, 1... Bellows hood, 2... Valley break point, 3
...Obstruction prevention metal plate, 4, 5...Hollow cylinder, a...
...Hood fold height, b...Obstacle protection safety width.

Claims (1)

【実用新案登録請求の範囲】 １ 蛇腹フードの内側に反射面を有する金属板を
固設したことを特徴とする反射面付蛇腹フード。 ２ 金属板が略長方形状からなり、その長さが蛇
腹の内側の一辺より短かく、その幅が蛇腹折部の
谷部から谷折れ点までの長さより長く、かつ該金
属板が蛇腹の内側山部の一方向斜面にのみ固設さ
れてなる請求項１記載の反射面付蛇腹フード。 ３ 蛇腹フードの内側に、複数箇の径の異なる反
斜面付中空円筒が摺動自在に嵌合され、該空円筒
と蛇腹フードとが連結されてなる反射面付蛇腹フ
ード。[Claims for Utility Model Registration] 1. A bellows hood with a reflective surface, characterized in that a metal plate with a reflective surface is fixed to the inside of the bellows hood. 2. The metal plate has a substantially rectangular shape, its length is shorter than one side of the inside of the bellows, its width is longer than the length from the trough to the trough of the folded part of the bellows, and the metal plate is formed on the inside of the bellows. The bellows hood with a reflective surface according to claim 1, wherein the bellows hood is fixed only on one slope of the mountain portion. 3. A bellows hood with a reflective surface, in which a plurality of hollow cylinders with reverse slopes having different diameters are slidably fitted inside the bellows hood, and the hollow cylinders and the bellows hood are connected.