JPH0273463U - - Google Patents
Info
- Publication number
- JPH0273463U JPH0273463U JP15325288U JP15325288U JPH0273463U JP H0273463 U JPH0273463 U JP H0273463U JP 15325288 U JP15325288 U JP 15325288U JP 15325288 U JP15325288 U JP 15325288U JP H0273463 U JPH0273463 U JP H0273463U
- Authority
- JP
- Japan
- Prior art keywords
- direction fixing
- metal fitting
- rod
- manhole key
- manhole
- 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
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Description
第１図は本考案の一実施例を示す分解斜視図、
第２図はマンホール鍵に安全装置を装着した状態
を示す図、第３図はマンホール鉄蓋の鍵穴部分を
示す図、第４図及び第５図は安全装置の使用状態
を示す図、第６図は従来の安全装置を示す図であ
る。
８……方向固定金具、９……回転防止金具、１
０……金具、１１……凹部、１２……孔、１３…
…ねじ孔、１４……ねじ、１５……空洞、１６，
１７……ピン、１８……つまみ。
FIG. 1 is an exploded perspective view showing an embodiment of the present invention;
Figure 2 shows the safety device attached to the manhole key, Figure 3 shows the keyhole part of the manhole iron cover, Figures 4 and 5 show the safety device in use, and Figure 6 shows the safety device in use. The figure shows a conventional safety device. 8...Direction fixing bracket, 9...Rotation prevention bracket, 1
0...metal fitting, 11...recess, 12...hole, 13...
...Screw hole, 14...Screw, 15...Cavity, 16,
17...Pin, 18...Knob.
Claims (1)
の方向固定金具と、該方向固定金具の外側に、前
記ロツドとＴ字状をなす先端フツクの長手方向と
略直角の位置にピンを植設し、前記方向固定金具
に対して上下に移動可能なマンホール鍵の回転防
止金具を装着したことを特徴とするマンホール鍵
用安全装置。 a pair of direction fixing fittings provided with a concave portion for sandwiching the rod of the manhole key, and a pin implanted on the outside of the direction fixing fittings at a position substantially perpendicular to the longitudinal direction of the tip hook forming a T-shape with the rod, A safety device for a manhole key, characterized in that a manhole key rotation preventing metal fitting that is movable up and down with respect to the direction fixing metal fitting is attached.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15325288U JPH0273463U (en) | 1988-11-25 | 1988-11-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15325288U JPH0273463U (en) | 1988-11-25 | 1988-11-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0273463U true JPH0273463U (en) | 1990-06-05 |
Family
ID=31428923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15325288U Pending JPH0273463U (en) | 1988-11-25 | 1988-11-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0273463U (en) |
-
1988
- 1988-11-25 JP JP15325288U patent/JPH0273463U/ja active Pending