JP4516672B2 - マンホールの梯子兼用転落防止装置 - Google Patents

マンホールの梯子兼用転落防止装置 Download PDF

Info

Publication number
JP4516672B2
JP4516672B2 JP2000183218A JP2000183218A JP4516672B2 JP 4516672 B2 JP4516672 B2 JP 4516672B2 JP 2000183218 A JP2000183218 A JP 2000183218A JP 2000183218 A JP2000183218 A JP 2000183218A JP 4516672 B2 JP4516672 B2 JP 4516672B2
Authority
JP
Japan
Prior art keywords
inner lid
ladder
support shaft
manhole
holding bracket
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.)
Expired - Fee Related
Application number
JP2000183218A
Other languages
English (en)
Japanese (ja)
Other versions
JP2002004315A5 (enExample
JP2002004315A (ja
Inventor
信夫 竹田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hinode Ltd
Original Assignee
Hinode Ltd
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 Hinode Ltd filed Critical Hinode Ltd
Priority to JP2000183218A priority Critical patent/JP4516672B2/ja
Publication of JP2002004315A publication Critical patent/JP2002004315A/ja
Publication of JP2002004315A5 publication Critical patent/JP2002004315A5/ja
Application granted granted Critical
Publication of JP4516672B2 publication Critical patent/JP4516672B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
JP2000183218A 2000-06-19 2000-06-19 マンホールの梯子兼用転落防止装置 Expired - Fee Related JP4516672B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000183218A JP4516672B2 (ja) 2000-06-19 2000-06-19 マンホールの梯子兼用転落防止装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000183218A JP4516672B2 (ja) 2000-06-19 2000-06-19 マンホールの梯子兼用転落防止装置

Publications (3)

Publication Number Publication Date
JP2002004315A JP2002004315A (ja) 2002-01-09
JP2002004315A5 JP2002004315A5 (enExample) 2007-08-02
JP4516672B2 true JP4516672B2 (ja) 2010-08-04

Family

ID=18683834

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000183218A Expired - Fee Related JP4516672B2 (ja) 2000-06-19 2000-06-19 マンホールの梯子兼用転落防止装置

Country Status (1)

Country Link
JP (1) JP4516672B2 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4763022B2 (ja) * 2008-06-13 2011-08-31 長島鋳物株式会社 地下構造物用転落防止梯子
CN102363966A (zh) * 2011-11-07 2012-02-29 朱明龙 马路窨井盖防损支架
JP5636547B1 (ja) * 2014-07-13 2014-12-10 株式会社オージーエイ マンホールの蓋を開けた時の落下防止装置兼補助梯子用中蓋
KR101795712B1 (ko) * 2016-03-31 2017-11-08 주식회사 세계주철 자립식 가이드를 갖는 슬라이딩 맨홀 커버
KR102564278B1 (ko) * 2023-01-12 2023-08-09 (주)호남스마트코리아 안전사고 방지를 위한 맨홀용 안전커버
CN117904997B (zh) * 2024-03-20 2024-06-07 山西申欧信息工程有限公司 一种具有防护功能的智能预警装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6019153Y2 (ja) * 1982-06-03 1985-06-10 長島鋳物株式会社 マンホ−ル用補助梯子
JPS616544U (ja) * 1984-06-15 1986-01-16 日豊金属工業株式会社 鉄蓋用受枠
JP2534913Y2 (ja) * 1991-06-24 1997-05-07 日之出水道機器株式会社 地下構造物用梯子
JP2549064Y2 (ja) * 1991-07-10 1997-09-24 日之出水道機器株式会社 地下構造物用蓋の梯子兼用転落防止体
JP3107373B2 (ja) * 1997-10-03 2000-11-06 日之出水道機器株式会社 転落防止用梯子および転落防止用梯子を備えた地下構造物用蓋の受枠

Also Published As

Publication number Publication date
JP2002004315A (ja) 2002-01-09

Similar Documents

Publication Publication Date Title
JP6975455B2 (ja) マンホール用安全柵装置
US20180143104A1 (en) Sample collection apparatus
JP4516672B2 (ja) マンホールの梯子兼用転落防止装置
KR20190017367A (ko) 덮개잠금기능과 부양기능을 갖는 맨홀
KR101897558B1 (ko) 도로 시설물 설치용 안전 사다리 구조물
JP3860864B2 (ja) 足場板等のフック装置
JP3183111U (ja) 道路工事用の保護フェンス
JP3797271B2 (ja) マンホール用収納式タラップ
JP5935165B2 (ja) マンホール用梯子
JP5596233B2 (ja) 風力発電装置の作業壇、及び風力発電装置
FR2667582A1 (fr) Dispositif pour le levage et l'installation d'un materiel au sommet d'un ouvrage de grande hauteur.
JP4855365B2 (ja) 地下構造物用転落防止装置
JP3560913B2 (ja) 地下埋構造物用落下防止網付き梯子
JP2008148441A (ja) 高架送電線における接地線の取付装置と、高架送電線における接地線の取付方法
JPH0673895A (ja) 転落事故防止装置
JP5460077B2 (ja) ピット梯子装置及びピット梯子設置方法
KR102665909B1 (ko) 갱폼 인양 안전장치
KR200286103Y1 (ko) 교량점검대의 출입장치
KR101577325B1 (ko) 시료 채취장치용 시료 채취박스의 수평방향 탈착 및 장착 구조물
JP3109905U (ja) タラップ装置付きマンホールカバー枠
JP2511238B2 (ja) 作業用ゴンドラのスライド床手すり
JP3121807B1 (ja) エレベータ昇降路内作業用足場装置およびその設置方法
KR20220005272A (ko) 갱폼 낙하방지 안전장치
JP2002038504A (ja) マンホール用の転落防止補助梯子
IL297637B2 (en) Scaffolding platform and method for using it

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20070618

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20070618

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20090911

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20100413

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20100517

R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130521

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130521

Year of fee payment: 3

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

LAPS Cancellation because of no payment of annual fees