JPS61155440U - - Google Patents
Info
- Publication number
- JPS61155440U JPS61155440U JP4052085U JP4052085U JPS61155440U JP S61155440 U JPS61155440 U JP S61155440U JP 4052085 U JP4052085 U JP 4052085U JP 4052085 U JP4052085 U JP 4052085U JP S61155440 U JPS61155440 U JP S61155440U
- Authority
- JP
- Japan
- Prior art keywords
- connector
- support
- support shaft
- lid
- retaining
- 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
- 230000037431 insertion Effects 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
Description
第１図、第２図は本考案の連結装置の一実施例
を示すものであり、第１図は蓋を閉じた状態の部
分縦断面図、第２図は蓋を明けた状態の部分縦断
面図、第３図は蓋へ連結子を取り付ける場合の平
面説明図、第４図は同じ状態の斜視図、第５図イ
は蓋の表側の説明図、同図ロは蓋の裏側の説明図
、第６図、第７図は抜け止め部の異なる例を示す
平面図、第８図は従来の蝶番式の連結装置の蓋を
閉じた状態の部分縦断面図、第９図は蓋を開いた
状態の部分縦断面図である。
１はアーム、２は支持軸、３は係止突子、４は
挿通部、５は連結子、６ａ，６ｂは支持片、７は
抜け止め部、８ａ，８ｂは支持孔、９は開口部、
１０は保持孔。
Figures 1 and 2 show an embodiment of the coupling device of the present invention, with Figure 1 being a partial vertical sectional view with the lid closed, and Figure 2 being a partial vertical sectional view with the lid open. 3 is a plan view when attaching the connector to the lid, FIG. 4 is a perspective view of the same state, FIG. 5 A is an explanatory view of the front side of the lid, and FIG. 6 and 7 are plan views showing different examples of the retaining portion, FIG. 8 is a partial vertical sectional view of a conventional hinge-type connecting device with the lid closed, and FIG. 9 is a plan view showing different examples of the retaining portion. FIG. 3 is a partial vertical cross-sectional view in an open state. 1 is an arm, 2 is a support shaft, 3 is a locking protrusion, 4 is an insertion portion, 5 is a connector, 6a, 6b are support pieces, 7 is a retaining portion, 8a, 8b are support holes, 9 is an opening ,
10 is a holding hole.
Claims (1)
突子が形成され、支持軸の近くに挿通部が形成さ
れている連結子と、マンホールの蓋の裏面に突設
された対向する二つの支持片と、蓋を嵌合する受
枠の内側に突設された抜け止め部とから構成され
、両支持片には連結子の支持軸を横方向から挿通
して蓋を回動自在なるようにした支持孔が形成さ
れ、一方の支持孔には連結子の挿通部が通過する
開口部が形成され、抜け止め部には連結子の係止
突子を所定の向きでは挿通することができるが他
の向きでは抜けないようにした保持孔が形成され
ているマンホールの蓋の連結装置。 A support shaft is formed at one end of the arm, a locking protrusion is formed at the other end, a connector is formed with an insertion part near the support shaft, and two opposing parts protrude from the back surface of the manhole cover. It consists of two support pieces and a retaining part protruding from the inside of the receiving frame into which the lid is fitted.The support shaft of the connector is inserted into both support pieces from the side so that the lid can be rotated freely. One support hole is formed with an opening through which the insertion portion of the connector passes, and the retaining portion allows the locking protrusion of the connector to be inserted in a predetermined direction. A manhole cover connection device that has a retaining hole that prevents it from coming off in any other direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4052085U JPH03441Y2 (en) | 1985-03-20 | 1985-03-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4052085U JPH03441Y2 (en) | 1985-03-20 | 1985-03-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61155440U true JPS61155440U (en) | 1986-09-26 |
| JPH03441Y2 JPH03441Y2 (en) | 1991-01-09 |
Family
ID=30549481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4052085U Expired JPH03441Y2 (en) | 1985-03-20 | 1985-03-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03441Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07292697A (en) * | 1994-04-27 | 1995-11-07 | Iwate Chuzo Kk | Manhole cover hinge device |
-
1985
- 1985-03-20 JP JP4052085U patent/JPH03441Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07292697A (en) * | 1994-04-27 | 1995-11-07 | Iwate Chuzo Kk | Manhole cover hinge device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03441Y2 (en) | 1991-01-09 |
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