JPS61184753U - - Google Patents
Info
- Publication number
- JPS61184753U JPS61184753U JP6971285U JP6971285U JPS61184753U JP S61184753 U JPS61184753 U JP S61184753U JP 6971285 U JP6971285 U JP 6971285U JP 6971285 U JP6971285 U JP 6971285U JP S61184753 U JPS61184753 U JP S61184753U
- Authority
- JP
- Japan
- Prior art keywords
- locking portion
- lid body
- locking
- rod
- main body
- 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
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000037431 insertion Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 1
Description
第１図は本考案の蓋蝶番構造を有する連結蓋の
平面図を示し、第２図は蓋体の蝶番構造部分を裏
面から見た拡大図を示し、第３図は第１図の―
線から見た蝶番構造の断面を示し、第４図は本
考案に使用する蝶番金具を示す斜視図である。第
５図は従来の連結蓋の平面図である。
１：蓋体、２：枠体、３：バール挿入穴、４：
枠体の係止孔、１０：蝶番構造、１１：蝶番金具
挿入口、１２：枢支口、１３：リブ、１４：外れ
防止用孔、２０：蝶番金具、２１：球状係止部、
２２：張出し係止部、２３，２４：回転摺動部、
２５：回転防止部。
FIG. 1 shows a plan view of a connecting lid having a lid hinge structure according to the present invention, FIG. 2 shows an enlarged view of the hinge structure of the lid as seen from the back, and FIG.
FIG. 4 is a perspective view showing a hinge metal fitting used in the present invention. FIG. 5 is a plan view of a conventional connecting lid. 1: Lid body, 2: Frame body, 3: Burl insertion hole, 4:
Frame locking hole, 10: hinge structure, 11: hinge fitting insertion port, 12: pivot port, 13: rib, 14: removal prevention hole, 20: hinge fitting, 21: spherical locking part,
22: Overhanging locking part, 23, 24: Rotating sliding part,
25: Rotation prevention part.
Claims (1)
２３，２４とし且つ中央部断面を多角形の回転防
止部２５とした棒状本体と、同棒状本体の一端に
配設した球状係止部２１と、他端に配設した張出
し係止部２２とからなる蝶番金具２０の前記球状
係止部２１を蓋体１の一周縁部の一個所に設けた
枢支口１２に係止し、前記張出し係止部２２を前
記蓋体１の枢支口１２に対応して設けた枠体２の
係止孔４に係止することによつて、前記蓋体１と
枠体２に連結装着してなることを特徴とする角型
マンホール蓋の蝶番構造。 A rod-shaped main body whose tip and rear ends are rotary sliding parts 23 and 24 with circular cross-sections and whose center section is a polygonal anti-rotation part 25, and a spherical lock disposed at one end of the rod-like main body. The spherical locking portion 21 of the hinge fitting 20, which consists of a portion 21 and an overhanging locking portion 22 provided at the other end, is locked to a pivot opening 12 provided at one location on one peripheral edge of the lid body 1. , the lid body 1 and the frame body 2 are connected by locking the overhanging locking portion 22 to the locking hole 4 of the frame body 2 provided corresponding to the pivot opening 12 of the lid body 1; A hinge structure of a square manhole cover that is characterized by being attached.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6971285U JPH0246509Y2 (en) | 1985-05-11 | 1985-05-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6971285U JPH0246509Y2 (en) | 1985-05-11 | 1985-05-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61184753U true JPS61184753U (en) | 1986-11-18 |
| JPH0246509Y2 JPH0246509Y2 (en) | 1990-12-07 |
Family
ID=30605646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6971285U Expired JPH0246509Y2 (en) | 1985-05-11 | 1985-05-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0246509Y2 (en) |
-
1985
- 1985-05-11 JP JP6971285U patent/JPH0246509Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0246509Y2 (en) | 1990-12-07 |