JPS627445U - - Google Patents
Info
- Publication number
- JPS627445U JPS627445U JP9932985U JP9932985U JPS627445U JP S627445 U JPS627445 U JP S627445U JP 9932985 U JP9932985 U JP 9932985U JP 9932985 U JP9932985 U JP 9932985U JP S627445 U JPS627445 U JP S627445U
- Authority
- JP
- Japan
- Prior art keywords
- inner cover
- metal fitting
- short side
- bolt
- bent metal
- 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
- 239000002184 metal Substances 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 description 1
Description
第１図、第５図は本考案の説明用一部断面を示
す正面図、第２図は同右側面図、第３図は本考案
の説明用部分平面図、第４図は本考案の説明用底
面図、
１は支持板、２は並立支持金具、３は曲金具、
４は曲金具３の短辺、５はボルト６のボツクス孔
、６はボルト、７はロツク機構、８は内蓋、９は
ボルト、１０は円筒、１１は蓋支持枠、１２は外
蓋、１３は曲金具３の長辺、１４は内蓋掛止部、
１５は内蓋８の周辺部、１６はかえり部。
Figures 1 and 5 are a front view showing a partial cross section for explaining the present invention, Figure 2 is a right side view of the same, Figure 3 is a partial plan view for explaining the present invention, and Figure 4 is a front view showing a partial cross section of the present invention. Bottom view for explanation, 1 is a support plate, 2 is a parallel support metal fitting, 3 is a bent metal fitting,
4 is the short side of the bent metal fitting 3, 5 is the box hole for the bolt 6, 6 is the bolt, 7 is the lock mechanism, 8 is the inner cover, 9 is the bolt, 10 is the cylinder, 11 is the cover support frame, 12 is the outer cover, 13 is the long side of the bent metal fitting 3; 14 is the inner lid hook;
15 is a peripheral part of the inner lid 8, and 16 is a burr part.
Claims (1)
をその曲部で、回転自在に支持し、その曲金具の
短辺を上下せしめる、頭部に特定形状のボルト頭
部を有するボルトを支持板の円筒内に螺設したロ
ツク機構を、複数個内蓋の裏面に、その円筒を内
蓋上に突出せしめて設けたことを、特徴とするマ
ンホール内蓋。 A bent metal fitting with a short side is rotatably supported between parallel supporting metal fittings on a support plate, and the short side of the bent metal fitting is moved up and down to support a bolt with a bolt head of a specific shape. A manhole inner cover characterized in that a plurality of locking mechanisms screwed into a cylinder of a plate are provided on the back surface of the inner cover with the cylinders protruding above the inner cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9932985U JPH0312827Y2 (en) | 1985-06-28 | 1985-06-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9932985U JPH0312827Y2 (en) | 1985-06-28 | 1985-06-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS627445U true JPS627445U (en) | 1987-01-17 |
| JPH0312827Y2 JPH0312827Y2 (en) | 1991-03-26 |
Family
ID=30968106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9932985U Expired JPH0312827Y2 (en) | 1985-06-28 | 1985-06-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0312827Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4519354B2 (en) * | 2001-04-19 | 2010-08-04 | 株式会社イトーヨーギョー | Manhole cover frame extraction method and apparatus |
-
1985
- 1985-06-28 JP JP9932985U patent/JPH0312827Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0312827Y2 (en) | 1991-03-26 |