JPS58172554U - manhole cover - Google Patents

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

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

第１図は平面図、第２図は同一部の拡大平面図、第３図
は第１図Ａ−Ａ線切断側面図、第４図は同一部の拡大切
断側面図、第５図は一部の拡大斜視図、第６図は吊掛具
の正面図である。 １→蓋本体南２→周壁、３−欠溝、４→係合穴条、５−
衝合面、６−切込溝。Fig. 1 is a plan view, Fig. 2 is an enlarged plan view of the same part, Fig. 3 is a side view cut along the line A-A in Fig. 1, Fig. 4 is an enlarged cut side view of the same part, and Fig. 5 is a side view of the same part. FIG. 6 is a front view of the hanging tool. 1 → Lid body south 2 → Peripheral wall, 3- Notch groove, 4 → Engagement hole, 5-
Abutment surface, 6-cut groove.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 逆Ｔ形の吊掛具２１を挿入する欠溝３を、蓋本体１の周
部２に、該周部に添わせて形成し、該欠溝３の内側に下
方へ少し垂れ下げた係合突条４を設け、該係合突条のさ
らに内側下面に、前記吊掛具２１の水平部２２が掛る衝
合面５を設けると共に、前記欠溝３の溝縁３ａから衝合
面５までに、前記吊掛具２１の水平部止着棒２３を通す
切込溝６を設けたことを特徴とするマンホール蓋。A notched groove 3 into which an inverted T-shaped hanging tool 21 is inserted is formed along the circumference 2 of the lid main body 1, and an engagement is made that hangs slightly downward inside the notched groove 3. A protrusion 4 is provided, and an abutment surface 5 on which the horizontal portion 22 of the hanging tool 21 hangs is provided on the inner lower surface of the engagement protrusion, and from the groove edge 3a of the groove 3 to the abutment surface 5. A manhole cover characterized in that a cut groove 6 is provided in which the horizontal fixing rod 23 of the hanging tool 21 is passed.