JPH0262934U - - Google Patents
Info
- Publication number
- JPH0262934U JPH0262934U JP14185088U JP14185088U JPH0262934U JP H0262934 U JPH0262934 U JP H0262934U JP 14185088 U JP14185088 U JP 14185088U JP 14185088 U JP14185088 U JP 14185088U JP H0262934 U JPH0262934 U JP H0262934U
- Authority
- JP
- Japan
- Prior art keywords
- hinge
- elongated hole
- cover
- manhole
- 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.)
- Granted
Links
Description
第１図は本案のマンホール蓋における蝶番装置
を示す側面図、第２図は第１図Ａ―Ａ線による正
面図である。
１……鉄蓋、２……平行突起、３……蝶番金具
、４……上端部挿入溝、５……横長孔、６……長
孔、７……両端屈曲ピン、８……屈曲両端、９…
…ストツパーナツト。
FIG. 1 is a side view showing the hinge device of the manhole cover of the present invention, and FIG. 2 is a front view taken along the line AA in FIG. 1. 1... Iron lid, 2... Parallel projection, 3... Hinge fitting, 4... Upper end insertion groove, 5... Horizontal oblong hole, 6... Long hole, 7... Both ends bent pin, 8... Bent both ends ,9...
…stoppernut.
Claims (1)
鉄蓋を開閉自在に嵌合し、鉄蓋の下面一側に蝶番
金具を懸垂し、他側にバール挿入孔を穿設してな
るマンホール蓋において、鉄蓋の下面一側に設け
た平行突起の中間に蝶番金具の上端部挿入溝が形
成され、該突起には横長孔を、蝶番金具の上端部
には該金具の長手方向に長孔を穿設し、該長孔及
び上記横長孔に両端屈曲ピンを挿通して蝶番金具
を懸垂してなり、かつ該ピンの屈曲両端にストツ
パーナツトを着脱可能に設けてなるマンホール蓋
における蝶番装置。 A manhole cover in which a receiving frame is provided on the inner periphery of the mouth of the manhole, an iron cover is fitted into the receiving frame so that it can be opened and closed freely, a hinge is suspended from one side of the lower surface of the iron cover, and a crowbar insertion hole is bored on the other side. In this case, a groove for inserting the upper end of the hinge metal fitting is formed in the middle of a parallel protrusion provided on one side of the lower surface of the iron lid, a horizontally elongated hole is formed in the protrusion, and a long hole is formed in the upper end of the hinge metal piece in the longitudinal direction of the metal fitting. A hinge device for a manhole cover, comprising: a hinge fitting suspended by inserting bent pins at both ends into the elongated hole and the horizontally elongated hole, and stopper nuts removably provided at both bent ends of the pins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14185088U JPH0640679Y2 (en) | 1988-10-29 | 1988-10-29 | Hinge device on manhole cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14185088U JPH0640679Y2 (en) | 1988-10-29 | 1988-10-29 | Hinge device on manhole cover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0262934U true JPH0262934U (en) | 1990-05-10 |
| JPH0640679Y2 JPH0640679Y2 (en) | 1994-10-26 |
Family
ID=31407289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14185088U Expired - Lifetime JPH0640679Y2 (en) | 1988-10-29 | 1988-10-29 | Hinge device on manhole cover |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0640679Y2 (en) |
-
1988
- 1988-10-29 JP JP14185088U patent/JPH0640679Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0640679Y2 (en) | 1994-10-26 |
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