JPS58185636U - Manhole with auxiliary ladder - Google Patents

Manhole with auxiliary ladder

Info

Publication number
JPS58185636U
JPS58185636U JP7963382U JP7963382U JPS58185636U JP S58185636 U JPS58185636 U JP S58185636U JP 7963382 U JP7963382 U JP 7963382U JP 7963382 U JP7963382 U JP 7963382U JP S58185636 U JPS58185636 U JP S58185636U
Authority
JP
Japan
Prior art keywords
ladder
manhole
lid frame
pieces
auxiliary ladder
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.)
Granted
Application number
JP7963382U
Other languages
Japanese (ja)
Other versions
JPS6033162Y2 (en
Inventor
博高 長島
Original Assignee
長島鋳物株式会社
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 長島鋳物株式会社 filed Critical 長島鋳物株式会社
Priority to JP7963382U priority Critical patent/JPS6033162Y2/en
Publication of JPS58185636U publication Critical patent/JPS58185636U/en
Application granted granted Critical
Publication of JPS6033162Y2 publication Critical patent/JPS6033162Y2/en
Expired legal-status Critical Current

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Landscapes

  • Ladders (AREA)

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 drawings]

図面は本考案に係る補助梯子付マンホールの実施例を示
したもので、第１図は斜視図、第２図は縦断側面図、第
３図は平面図、第４図は梯子の起伏機構を示す縦断側面
図、第５図は他の起伏機構を示す縦断側面図である。 １・・・蓋枠、２・・・梯子、２ａ、２ｂ・・・側杆、
３ａ。 ３ｂ・・・枢着片、４ａ、　　４ｂ・・・ピン、５ａ、
　　５ｂ・・・受片。The drawings show an embodiment of the manhole with an auxiliary ladder according to the present invention, in which Fig. 1 is a perspective view, Fig. 2 is a vertical side view, Fig. 3 is a plan view, and Fig. 4 shows the undulating mechanism of the ladder. FIG. 5 is a longitudinal side view showing another undulating mechanism. 1... Lid frame, 2... Ladder, 2a, 2b... Side rod,
3a. 3b... Pivot piece, 4a, 4b... Pin, 5a,
5b...Uke piece.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 蓋枠１の内周面に梯子２の左右何本±２ａ、２ｂを枢支
する枢着片３ａ、３ｂを突設し、前記側杆２ａ、　　２
ｂの基部をピン４ａ、４ｂにより前記枢着片３ａ、　　
３ｂに起伏可能に枢支し、かつ梯子２を倒したときその
先端を受支する受片５ａ、５ｂを前記蓋枠１の内周に突
設したことを特徴とする補助梯子付マンホール。Pivot pieces 3a, 3b for pivotally supporting the left and right sides ±2a, 2b of the ladder 2 are protrudingly provided on the inner circumferential surface of the lid frame 1, and the side bars 2a, 2
The base of b is connected to the pivot piece 3a by means of pins 4a and 4b.
A manhole with an auxiliary ladder, characterized in that receiving pieces 5a and 5b are projectingly provided on the inner periphery of the lid frame 1, and support pieces 5a and 5b that are pivotally supported on the lid frame 1 so as to be able to rise and fall, and that support the tip of the ladder 2 when it is folded down.
JP7963382U 1982-05-31 1982-05-31 Manhole with auxiliary ladder Expired JPS6033162Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7963382U JPS6033162Y2 (en) 1982-05-31 1982-05-31 Manhole with auxiliary ladder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7963382U JPS6033162Y2 (en) 1982-05-31 1982-05-31 Manhole with auxiliary ladder

Publications (2)

Publication Number Publication Date
JPS58185636U true JPS58185636U (en) 1983-12-09
JPS6033162Y2 JPS6033162Y2 (en) 1985-10-03

Family

ID=30088811

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7963382U Expired JPS6033162Y2 (en) 1982-05-31 1982-05-31 Manhole with auxiliary ladder

Country Status (1)

Country Link
JP (1) JPS6033162Y2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60104451U (en) * 1983-12-16 1985-07-16 株式会社　福原鋳物製作所 Manhole cover frame
JPS60157900U (en) * 1984-03-29 1985-10-21 朝日リ−ラック株式会社 ladder
JPH0342834U (en) * 1989-09-04 1991-04-23

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60104451U (en) * 1983-12-16 1985-07-16 株式会社　福原鋳物製作所 Manhole cover frame
JPS60157900U (en) * 1984-03-29 1985-10-21 朝日リ−ラック株式会社 ladder
JPH0342834U (en) * 1989-09-04 1991-04-23

Also Published As

Publication number Publication date
JPS6033162Y2 (en) 1985-10-03

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