JPH0314923U - - Google Patents
Info
- Publication number
- JPH0314923U JPH0314923U JP7541289U JP7541289U JPH0314923U JP H0314923 U JPH0314923 U JP H0314923U JP 7541289 U JP7541289 U JP 7541289U JP 7541289 U JP7541289 U JP 7541289U JP H0314923 U JPH0314923 U JP H0314923U
- Authority
- JP
- Japan
- Prior art keywords
- stand
- hole
- pipe
- bottom plate
- plate
- 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
Links
Landscapes
- Laying Of Electric Cables Or Lines Outside (AREA)
Description
第１図ａ，ｂ及びｃは本考案の一実施例を示す
図、第２図ａ及びｂはマンホール鉄蓋の開閉を説
明する図、第３図ａ及びｂはマンホールの中蓋の
開閉を説明する図、第４図ａ及びｂはマンホール
中蓋の開閉に使用する中蓋用キーのアダプタとア
ダプタ受との詳細を説明する図、第５図ａ，ｂ及
びｃは従来のマンホールキーとその使用例を説明
する図である。
１……下台、２……上台、３……操作台、４…
…操作パイプ、５……桁、６……中板、７……上
板、８……孔、９……孔、１０……孔、１１……
係止金具、１２……底板、１３……回動軸、１４
……ピン、１５……軸、１６……係止切欠、１７
……パイプ、１８……アダプタ受、１９……腕、
２０……ストツパ、２１……キー、２２……軸、
２３……ストツパピン、２４……マンホール鉄蓋
、２５……受枠、２６……マンホール中蓋、２７
……中蓋用キー、２８……施錠用腕、２９……ス
トツプリング、３０……アダプタ、３１……蝶番
、３２……突部。
Figures 1 a, b and c are diagrams showing one embodiment of the present invention, Figures 2 a and b are diagrams explaining the opening and closing of the manhole iron cover, and Figures 3 a and b are diagrams explaining the opening and closing of the manhole inner cover. Figures 4a and 4b are diagrams illustrating details of the adapter and adapter holder for the inner cover key used to open and close the manhole inner cover, and Figures 5a, b and c are diagrams showing the conventional manhole key and It is a figure explaining the example of its use. 1...Lower stand, 2...Upper stand, 3...Operation console, 4...
...Operation pipe, 5... Girder, 6... Middle plate, 7... Top plate, 8... Hole, 9... Hole, 10... Hole, 11...
Locking metal fitting, 12...Bottom plate, 13...Rotation shaft, 14
... Pin, 15 ... Shaft, 16 ... Locking notch, 17
...Pipe, 18...Adapter holder, 19...Arm,
20... Stopper, 21... Key, 22... Axis,
23...stop pin, 24...manhole iron cover, 25...receptacle frame, 26...manhole inner cover, 27
... key for inner lid, 28 ... locking arm, 29 ... stop ring, 30 ... adapter, 31 ... hinge, 32 ... protrusion.
補正 平１．１０．７
図面の簡単な説明を次のように補正する。
明細書第９頁第９行〜第１１行目の「第５図ａ
，ｂ……説明する図面である。」を「第５図ａ，
ｂ，ｃ及びｄは従来のマンホールキーとその使用
例を説明する図である。」と訂正する。Amendment 1.10.7 Hei 1. The brief description of the drawing is amended as follows. "Figure 5 a" on page 9, lines 9 to 11 of the specification
, b... are drawings for explanation. ” to “Figure 5a,
b, c, and d are diagrams illustrating a conventional manhole key and an example of its use. ” he corrected.
Claims (1)
、前記下台はほぼ俤形で下端に桁を設け、中心部
にそれぞれ孔を有する中板及び上板を設け、上端
側部に上台と係止する係止部を有し、前記上台は
断面コ字状で操作台を軸支する軸と底板に下台に
連結して回動する回動軸を設け、また前記底板に
下台に係合するピンを挿入する穴を設け、さらに
、前記操作台は対向する板状キーを軸支するとと
もに上端部に腕を延設するとともに腕と反対側に
操作パイプを挿入するパイプを固着してなること
を特徴とするマンホールキー。 Consisting of a lower stand, an upper stand, an operation stand, and an operation pipe, the lower stand is approximately round-shaped with a girder at the lower end, a middle plate and an upper plate each having a hole in the center, and are engaged with the upper stand at the side of the upper end. The upper table has a U-shaped cross section and has a shaft for pivotally supporting the operating table, and the bottom plate has a rotating shaft connected to the lower table for rotation, and the bottom plate has a pin that engages with the lower table. The operation console has a hole for insertion, and further includes an arm extending from the upper end of the operation console, and a pipe for inserting the operation pipe fixed to the opposite side of the arm. Manhole key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7541289U JPH0722991Y2 (en) | 1989-06-26 | 1989-06-26 | Manhole key |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7541289U JPH0722991Y2 (en) | 1989-06-26 | 1989-06-26 | Manhole key |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0314923U true JPH0314923U (en) | 1991-02-14 |
| JPH0722991Y2 JPH0722991Y2 (en) | 1995-05-24 |
Family
ID=31615967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7541289U Expired - Lifetime JPH0722991Y2 (en) | 1989-06-26 | 1989-06-26 | Manhole key |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0722991Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7801507B1 (en) * | 2025-01-23 | 2026-01-16 | 東芝プラントシステム株式会社 | Hole cover opening/closing jig and hole cover opening/closing method |
-
1989
- 1989-06-26 JP JP7541289U patent/JPH0722991Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7801507B1 (en) * | 2025-01-23 | 2026-01-16 | 東芝プラントシステム株式会社 | Hole cover opening/closing jig and hole cover opening/closing method |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0722991Y2 (en) | 1995-05-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |