JPH0273462U - - Google Patents
Info
- Publication number
- JPH0273462U JPH0273462U JP15325188U JP15325188U JPH0273462U JP H0273462 U JPH0273462 U JP H0273462U JP 15325188 U JP15325188 U JP 15325188U JP 15325188 U JP15325188 U JP 15325188U JP H0273462 U JPH0273462 U JP H0273462U
- Authority
- JP
- Japan
- Prior art keywords
- shaped
- main body
- manhole
- keys
- hanging ring
- 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
- 238000010586 diagram Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 1
Description
第１図は本考案の一実施例を示す斜視図、第２
図は本考案の他の実施例を示す斜視図、第３図は
マンホール鍵を示す図、第４図はマンホール鉄蓋
の鍵穴を示す図、第５図ないし第７図はマンホー
ル鍵用安全ピンの使用状態を示す図、第８図は従
来のハンドホール鍵安全装置を示す図である。
９，１３……本体、１０，１４……ピン、１１
，１５……吊環。
Fig. 1 is a perspective view showing one embodiment of the present invention;
The figure is a perspective view showing another embodiment of the present invention, Figure 3 is a diagram showing a manhole key, Figure 4 is a diagram showing a keyhole in a manhole iron cover, and Figures 5 to 7 are safety pins for manhole keys. FIG. 8 is a diagram showing a conventional handhole key safety device. 9, 13...Body, 10,14...Pin, 11
, 15... Hanging ring.
Claims (1)
端双方に略垂直方向に延設したピンと、該Ｕ字状
または該コ字状をなす該本体中央部に吊環を設け
たことを特徴とするマンホール鍵用安全ピン。 It is characterized by having a U-shaped or U-shaped main body, pins extending substantially vertically at both ends of the main body, and a hanging ring provided in the center of the U-shaped or U-shaped main body. A safety pin for manhole keys.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15325188U JPH0273462U (en) | 1988-11-25 | 1988-11-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15325188U JPH0273462U (en) | 1988-11-25 | 1988-11-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0273462U true JPH0273462U (en) | 1990-06-05 |
Family
ID=31428921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15325188U Pending JPH0273462U (en) | 1988-11-25 | 1988-11-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0273462U (en) |
-
1988
- 1988-11-25 JP JP15325188U patent/JPH0273462U/ja active Pending