JPH0169847U - - Google Patents
Info
- Publication number
- JPH0169847U JPH0169847U JP1987165901U JP16590187U JPH0169847U JP H0169847 U JPH0169847 U JP H0169847U JP 1987165901 U JP1987165901 U JP 1987165901U JP 16590187 U JP16590187 U JP 16590187U JP H0169847 U JPH0169847 U JP H0169847U
- Authority
- JP
- Japan
- Prior art keywords
- protrusion
- locking part
- key
- iron
- cover
- 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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 238000012856 packing Methods 0.000 description 2
Description
第１図は本考案の実施例１の施錠状態を示す縦
断面図である。
１……鍵蓋、２……鍵枠、３……鉄片、４……
突起、５……係止部、６……突起、７……係止部
、８……パツキン、９……蓋、１０……枠、１１
……突起、１２……ハンドル、１３……磁石、１
４……穴、１５……突起、１６……取手。
第２図は本考案の実施例２の施錠状態を示す縦
断面図である。
１……鍵蓋、２……パツキン、３……鉄片、４
……突起、５……係止部、６……突起、７……係
止部、８……突起、９……蓋、１０……枠、１１
……突起、１２……ハンドル、１３……穴、１４
……磁石。
第３図は本考案の実施例３の施錠状態を示す縦
断面図である。
１……鍵蓋、２……パツキン、３……鉄片、４
……突起、５……係止部、６……突起部、７……
係止部、８……磁石、９……蓋、１０……枠、１
１……ハンドル、１２……突起、１３……穴、１
４……鍵孔。
第４図は本考案の実施例４の施錠状態を示す縦
断面図である。
１……鍵蓋、２……突部、３……鉄片、４……
突起、５……係止部、６……突起、７……係止部
、８……パツキン、９……蓋、１０……枠、１１
……突起、１２……係止部、１３……磁石、１４
……ハンドル、１５……穴、１６……突起。
FIG. 1 is a longitudinal sectional view showing a locked state of Embodiment 1 of the present invention. 1...key cover, 2...key frame, 3...iron piece, 4...
Protrusion, 5... Locking part, 6... Protrusion, 7... Locking part, 8... Packing, 9... Lid, 10... Frame, 11
...Protrusion, 12...Handle, 13...Magnet, 1
4...hole, 15...protrusion, 16...handle. FIG. 2 is a longitudinal sectional view showing the locked state of the second embodiment of the present invention. 1...Key cover, 2...Packkin, 3...Iron piece, 4
...Protrusion, 5...Locking part, 6...Protrusion, 7...Locking part, 8...Protrusion, 9...Lid, 10...Frame, 11
...Protrusion, 12...Handle, 13...Hole, 14
……magnet. FIG. 3 is a longitudinal sectional view showing the locked state of the third embodiment of the present invention. 1...Key cover, 2...Packkin, 3...Iron piece, 4
...Protrusion, 5...Locking part, 6...Protrusion, 7...
Locking part, 8... Magnet, 9... Lid, 10... Frame, 1
1...Handle, 12...Protrusion, 13...Hole, 1
4...Keyhole. FIG. 4 is a longitudinal sectional view showing the locked state of the fourth embodiment of the present invention. 1...key cover, 2...protrusion, 3...iron piece, 4...
Protrusion, 5... Locking part, 6... Protrusion, 7... Locking part, 8... Packing, 9... Lid, 10... Frame, 11
...Protrusion, 12...Locking part, 13...Magnet, 14
...Handle, 15...hole, 16...protrusion.
Claims (1)
取付けられた突起４を有する鉄片３，３の突起４
の係止部５を有し鍵蓋１の突起６，６と係止する
係止部７を有する鍵枠２より構成されるマンホー
ルカバーの鍵。 A protrusion 4 of the iron pieces 3, 3 having a protrusion 4 attached to the iron lids 1, 1 so as to be able to move freely only up and down.
A manhole cover key comprising a key frame 2 having a locking part 5 and a locking part 7 that locks with protrusions 6 of a key cover 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16590187U JPH069074Y2 (en) | 1987-10-29 | 1987-10-29 | Locking device for closing the operation hole for opening and closing the manhole cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16590187U JPH069074Y2 (en) | 1987-10-29 | 1987-10-29 | Locking device for closing the operation hole for opening and closing the manhole cover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0169847U true JPH0169847U (en) | 1989-05-09 |
| JPH069074Y2 JPH069074Y2 (en) | 1994-03-09 |
Family
ID=31452806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16590187U Expired - Lifetime JPH069074Y2 (en) | 1987-10-29 | 1987-10-29 | Locking device for closing the operation hole for opening and closing the manhole cover |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH069074Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2023085593A (en) * | 2021-12-09 | 2023-06-21 | 株式会社土井製作所 | Opening and closing device for cover plate for underground electric circuit |
| WO2025097650A1 (en) * | 2023-11-08 | 2025-05-15 | 淮北合众机械设备有限公司 | Visual maintenance sealing device with high safety and for belt-conveyor guide chute |
-
1987
- 1987-10-29 JP JP16590187U patent/JPH069074Y2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2023085593A (en) * | 2021-12-09 | 2023-06-21 | 株式会社土井製作所 | Opening and closing device for cover plate for underground electric circuit |
| WO2025097650A1 (en) * | 2023-11-08 | 2025-05-15 | 淮北合众机械设备有限公司 | Visual maintenance sealing device with high safety and for belt-conveyor guide chute |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH069074Y2 (en) | 1994-03-09 |