JPH0280160U - - Google Patents
Info
- Publication number
- JPH0280160U JPH0280160U JP1988159725U JP15972588U JPH0280160U JP H0280160 U JPH0280160 U JP H0280160U JP 1988159725 U JP1988159725 U JP 1988159725U JP 15972588 U JP15972588 U JP 15972588U JP H0280160 U JPH0280160 U JP H0280160U
- Authority
- JP
- Japan
- Prior art keywords
- manhole
- manhole cover
- tip
- hinge arm
- iron pipe
- 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.)
- Pending
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 3
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Description
第１図および第２図はそれぞれ従来例を示す断
面図である。第３図および第４図はこの考案の一
実施例を示し、第３図は縦断面図、第４図は平面
図である。
１…マンホール蓋、３…マンホール鉄管、５…
マンホール口、１０…ヒンジ、２２…ヒンジ腕、
２５…ヒンジ腕の先端。
FIG. 1 and FIG. 2 are sectional views showing conventional examples, respectively. 3 and 4 show an embodiment of this invention, with FIG. 3 being a longitudinal sectional view and FIG. 4 being a plan view. 1... Manhole cover, 3... Manhole iron pipe, 5...
Manhole mouth, 10...hinge, 22...hinge arm,
25... Tip of hinge arm.
Claims (1)
の開閉装置において、マンホール鉄管の外側に、
先端がマンホール鉄管内に転入し得るように反転
屈曲したヒンジ腕を軸支し、マンホール蓋の外側
にヒンジ腕の先端を連結したことを特徴とするマ
ンホール蓋の開閉装置。 In a manhole cover opening/closing device that opens and closes on the inside of a manhole iron pipe, there is a
A manhole cover opening/closing device characterized in that a hinge arm that is inverted and bent is pivotally supported so that the tip can be inserted into a manhole iron pipe, and the tip of the hinge arm is connected to the outside of the manhole cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988159725U JPH0280160U (en) | 1988-12-08 | 1988-12-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988159725U JPH0280160U (en) | 1988-12-08 | 1988-12-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0280160U true JPH0280160U (en) | 1990-06-20 |
Family
ID=31441176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988159725U Pending JPH0280160U (en) | 1988-12-08 | 1988-12-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0280160U (en) |
-
1988
- 1988-12-08 JP JP1988159725U patent/JPH0280160U/ja active Pending
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