JPS583883Y2 - 鉄蓋開閉機 - Google Patents

鉄蓋開閉機

Info

Publication number
JPS583883Y2
JPS583883Y2 JP1980066650U JP6665080U JPS583883Y2 JP S583883 Y2 JPS583883 Y2 JP S583883Y2 JP 1980066650 U JP1980066650 U JP 1980066650U JP 6665080 U JP6665080 U JP 6665080U JP S583883 Y2 JPS583883 Y2 JP S583883Y2
Authority
JP
Japan
Prior art keywords
inner frame
frame
jack
iron lid
iron
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
Application number
JP1980066650U
Other languages
English (en)
Japanese (ja)
Other versions
JPS56168549U (enrdf_load_html_response
Inventor
正一 酒井
Original Assignee
株式会社 岡本
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 株式会社 岡本 filed Critical 株式会社 岡本
Priority to JP1980066650U priority Critical patent/JPS583883Y2/ja
Publication of JPS56168549U publication Critical patent/JPS56168549U/ja
Application granted granted Critical
Publication of JPS583883Y2 publication Critical patent/JPS583883Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Handcart (AREA)
JP1980066650U 1980-05-15 1980-05-15 鉄蓋開閉機 Expired JPS583883Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1980066650U JPS583883Y2 (ja) 1980-05-15 1980-05-15 鉄蓋開閉機

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1980066650U JPS583883Y2 (ja) 1980-05-15 1980-05-15 鉄蓋開閉機

Publications (2)

Publication Number Publication Date
JPS56168549U JPS56168549U (enrdf_load_html_response) 1981-12-12
JPS583883Y2 true JPS583883Y2 (ja) 1983-01-22

Family

ID=29660714

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1980066650U Expired JPS583883Y2 (ja) 1980-05-15 1980-05-15 鉄蓋開閉機

Country Status (1)

Country Link
JP (1) JPS583883Y2 (enrdf_load_html_response)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH072708Y2 (ja) * 1988-12-08 1995-01-25 福西鑄物株式会社 角型マンホールの蓋体開閉具

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4833654U (enrdf_load_html_response) * 1971-08-23 1973-04-23

Also Published As

Publication number Publication date
JPS56168549U (enrdf_load_html_response) 1981-12-12

Similar Documents

Publication Publication Date Title
CA1276006C (en) Apparatus for operating manhole cover
US6520482B1 (en) Lifting apparatus for a manhole cover
US4101154A (en) Locking device for well covers and the like
US6676111B2 (en) Universal manhole cover engaging tool
US3837622A (en) Manhole cover puller and method
JPH07279189A (ja) マンホール蓋用開閉装置
US20040135389A1 (en) Lifting device for manhole tops and manhole covers
JPS583883Y2 (ja) 鉄蓋開閉機
US4695037A (en) Lifting apparatus
US6176469B1 (en) Manhole cover engaging tools
KR102106515B1 (ko) 역류해소와 소음저감이 가능한 맨홀뚜껑과 그 작동방법
JPH0138086Y2 (enrdf_load_html_response)
JP2010031629A (ja) グレーチング用固定具
KR101957386B1 (ko) 무게중심 유지가 가능한 맨홀뚜껑 개폐장치
US4681300A (en) Apparatus for removing manhole covers and the like
KR200436686Y1 (ko) 맨홀뚜껑 잠금장치
KR100312736B1 (ko) 맨홀뚜껑 개폐장치
CN221397251U (zh) 一种窨井盖开启装置
KR200388673Y1 (ko) 맨홀 뚜껑 개폐장치
JP3615411B2 (ja) 地下構造物用蓋の開閉反転装置
CN215886293U (zh) 一种井盖简易开启装置
CN220449749U (zh) 一种井盖开启工具
KR200205762Y1 (ko) 맨홀뚜껑 잠금장치
JP3404670B2 (ja) 地下構造物鉄蓋浮上防止ロック機構
KR100677909B1 (ko) 맨홀 뚜껑 개폐장치