JPS59133500U - Manhole cover opening/closing device - Google Patents

Manhole cover opening/closing device

Info

Publication number
JPS59133500U
JPS59133500U JP2658083U JP2658083U JPS59133500U JP S59133500 U JPS59133500 U JP S59133500U JP 2658083 U JP2658083 U JP 2658083U JP 2658083 U JP2658083 U JP 2658083U JP S59133500 U JPS59133500 U JP S59133500U
Authority
JP
Japan
Prior art keywords
manhole cover
closing device
cover opening
manhole
opening
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2658083U
Other languages
Japanese (ja)
Inventor
吉武　睦広
薄井　俊雄
幸司 村上
Original Assignee
三菱重工業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 三菱重工業株式会社 filed Critical 三菱重工業株式会社
Priority to JP2658083U priority Critical patent/JPS59133500U/en
Publication of JPS59133500U publication Critical patent/JPS59133500U/en
Pending legal-status Critical Current

Links

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図ないし第３図は従来のマンホール蓋の開閉装置で
、第１図はマンホール蓋の斜視図、第２図ハマンホール
の断面図、第３図はマンホール蓋をヒンジに取り付けた
状態を示す。第４図ないし第６図ａ、　　ｂ、　　ｃは
本考案の一実施例で、第４図　−は斜視図、第５図は第
４図のＢ−Ｂ矢視図、第６図ａ、　　ｂ、　　ｃは本考
案の作用を示したものである。 １：マンホール蓋、２：床、３：ヒンジ、４：フレーム
、５：マンホール蓋開閉用ハンドル、６：マンホール蓋
取付はボルト。 ４　　Ｊ＼　Ｏ １ す −ｂ−一、７〜 ｉ　邑ｌ夛六ＰFigures 1 to 3 show conventional manhole cover opening/closing devices, with Figure 1 being a perspective view of the manhole cover, Figure 2 being a sectional view of the manhole, and Figure 3 showing the manhole cover attached to the hinge. . Figures 4 to 6 a, b, and c show an embodiment of the present invention; Figures 4- are perspective views, Figure 5 is a view taken along the line B-B in Figure 4, and Figures 6 a, b. , c show the effect of the present invention. 1: Manhole cover, 2: Floor, 3: Hinge, 4: Frame, 5: Manhole cover opening/closing handle, 6: Manhole cover installation with bolts. 4 J＼ O 1 Su-b-1, 7~ i Yul 夛 6P

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] マンホール脇の床に固着したヒンジにフレームの一端を
枢着し、マンホール蓋開閉用ハンドルを下端がマンホー
ル蓋の重心位置に回転自在に前記フレームに螺着し、前
記ハンドルの回転により前記マンホール蓋が前記床に取
り付けられたマンホール蓋取付ボルトから抜けるまで垂
直に上下動することを特徴とするマンホール蓋開閉装置
。One end of the frame is pivotally attached to a hinge fixed to the floor beside the manhole, and a handle for opening and closing the manhole cover is screwed onto the frame so that the lower end can rotate freely at the center of gravity of the manhole cover, and the manhole cover is opened by rotation of the handle. A manhole cover opening/closing device, characterized in that it vertically moves up and down until it comes off the manhole cover mounting bolt attached to the floor.
JP2658083U 1983-02-26 1983-02-26 Manhole cover opening/closing device Pending JPS59133500U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2658083U JPS59133500U (en) 1983-02-26 1983-02-26 Manhole cover opening/closing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2658083U JPS59133500U (en) 1983-02-26 1983-02-26 Manhole cover opening/closing device

Publications (1)

Publication Number Publication Date
JPS59133500U true JPS59133500U (en) 1984-09-06

Family

ID=30157492

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2658083U Pending JPS59133500U (en) 1983-02-26 1983-02-26 Manhole cover opening/closing device

Country Status (1)

Country Link
JP (1) JPS59133500U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009255906A (en) * 2008-03-28 2009-11-05 Oshima Shipbuilding Co Ltd Manhole cover attachment/detachment tool, manhole cover removal method, and manhole device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009255906A (en) * 2008-03-28 2009-11-05 Oshima Shipbuilding Co Ltd Manhole cover attachment/detachment tool, manhole cover removal method, and manhole device

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