JPS60120992U - Iron lid with fall prevention device - Google Patents

Iron lid with fall prevention device

Info

Publication number
JPS60120992U
JPS60120992U JP639484U JP639484U JPS60120992U JP S60120992 U JPS60120992 U JP S60120992U JP 639484 U JP639484 U JP 639484U JP 639484 U JP639484 U JP 639484U JP S60120992 U JPS60120992 U JP S60120992U
Authority
JP
Japan
Prior art keywords
iron lid
prevention device
fall prevention
receiving frame
inner circumferential
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
JP639484U
Other languages
Japanese (ja)
Other versions
JPH0113106Y2 (en
Inventor
安部　武治
Original Assignee
日豊金属工業株式会社
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 日豊金属工業株式会社 filed Critical 日豊金属工業株式会社
Priority to JP639484U priority Critical patent/JPS60120992U/en
Publication of JPS60120992U publication Critical patent/JPS60120992U/en
Application granted granted Critical
Publication of JPH0113106Y2 publication Critical patent/JPH0113106Y2/ja
Granted 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図は格子体を受枠に連結する前の平面図、第２図
は格子体を受枠に連結した後の平面図、第３図は鉄蓋の
断面図を表す。 １〜蓋部、２〜受枠、１０．１１〜回転支持突　′起、
１２．１３〜嵌合突起、１４，１５，１６゜′１７〜載
置突起、２０〜格子体、２１．２２〜従部材、２３．２
４〜横部材、３０〜固定軸、３．１〜左軸部、３２〜筒
体、３３〜筒体の酸ネジ、３４〜右軸部、３５〜右軸部
の雄ネジ、３６〜ロツクナツト。- Fig. 1 is a plan view before the lattice body is connected to the receiving frame, Fig. 2 is a plan view after the lattice body is connected to the receiving frame, and Fig. 3 is a sectional view of the iron lid. 1 - Lid part, 2 - Receiving frame, 10.11 - Rotation support protrusion,
12.13~fitting protrusion, 14,15,16゜'17~placement protrusion, 20~lattice body, 21.22~subordinate member, 23.2
4 - horizontal member, 30 - fixed shaft, 3.1 - left shaft part, 32 - cylindrical body, 33 - acid thread of cylinder body, 34 - right shaft part, 35 - male thread of right shaft part, 36 - lock nut.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 鉄蓋の受枠に於いて、受枠の内周壁下部に端部が回動自
在に連設され、他の端部は受枠の内周壁に突設された突
起で支持される格子体と、から成゛　　る転落防止装置
付の鉄蓋。In the receiving frame of the iron lid, one end is rotatably connected to the lower part of the inner circumferential wall of the receiving frame, and the other end is a lattice body supported by projections protruding from the inner circumferential wall of the receiving frame. Iron lid with fall prevention device.
JP639484U 1984-01-23 1984-01-23 Iron lid with fall prevention device Granted JPS60120992U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP639484U JPS60120992U (en) 1984-01-23 1984-01-23 Iron lid with fall prevention device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP639484U JPS60120992U (en) 1984-01-23 1984-01-23 Iron lid with fall prevention device

Publications (2)

Publication Number Publication Date
JPS60120992U true JPS60120992U (en) 1985-08-15
JPH0113106Y2 JPH0113106Y2 (en) 1989-04-17

Family

ID=30483796

Family Applications (1)

Application Number Title Priority Date Filing Date
JP639484U Granted JPS60120992U (en) 1984-01-23 1984-01-23 Iron lid with fall prevention device

Country Status (1)

Country Link
JP (1) JPS60120992U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102564278B1 (en) * 2023-01-12 2023-08-09 (주)호남스마트코리아 safety cover of manhole for preventing safety accident

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5445314U (en) * 1977-09-05 1979-03-29
JPS5853334U (en) * 1981-09-30 1983-04-11 株式会社日立製作所 Patshua type gas shield disconnector

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5445314U (en) * 1977-09-05 1979-03-29
JPS5853334U (en) * 1981-09-30 1983-04-11 株式会社日立製作所 Patshua type gas shield disconnector

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102564278B1 (en) * 2023-01-12 2023-08-09 (주)호남스마트코리아 safety cover of manhole for preventing safety accident

Also Published As

Publication number Publication date
JPH0113106Y2 (en) 1989-04-17

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