JPS62114943U - - Google Patents
Info
- Publication number
- JPS62114943U JPS62114943U JP10586U JP10586U JPS62114943U JP S62114943 U JPS62114943 U JP S62114943U JP 10586 U JP10586 U JP 10586U JP 10586 U JP10586 U JP 10586U JP S62114943 U JPS62114943 U JP S62114943U
- Authority
- JP
- Japan
- Prior art keywords
- manhole cover
- rod
- female thread
- flange
- closing device
- 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
Description
第１図はこの考案のマンホール蓋用開閉具のロ
ツク部を示す斜視図、第２ないし４図は他の従来
例を示す断面図、第５図はマンホール蓋のかぎ穴
に接着したロツク部を示す断面図、第６図はフツ
クボルトを示す斜視図、第７図はかぎを示す斜視
図である。
１６：マンホール蓋、１５：かぎ穴、１７：ロ
ツク部、１８：フツクボルト、１９：かぎ、２２
：第１フランジ、２４：第１めねじ、２６：おね
じ、２０：第１ロツド、２５：ロツクボルト、３
１：第２フランジ、３２：第２めねじ、３０：第
２締付ロツド。
Fig. 1 is a perspective view showing the lock part of the manhole cover opening/closing device of this invention, Figs. 2 to 4 are sectional views showing other conventional examples, and Fig. 5 shows the lock part glued to the keyhole of the manhole cover. 6 is a perspective view showing the hook bolt, and FIG. 7 is a perspective view showing the lock. 16: Manhole cover, 15: Keyhole, 17: Lock part, 18: Hook bolt, 19: Key, 22
: 1st flange, 24: 1st female thread, 26: Male thread, 20: 1st rod, 25: Lock bolt, 3
1: Second flange, 32: Second female thread, 30: Second tightening rod.
Claims (1)
クボルトを介してかぎをフツクさせてマンホール
蓋を開閉するマンホール蓋用開閉具において、 頭部に第１フランジ、中心にフツクボルトを螺
着する第１めねじ、外周囲におねじを夫々形成し
た第１ロツドと、 マンホール蓋が閉じられたとき、第１ロツドの
第１めねじに螺合させて閉蓋状態をロツクするロ
ツクボルトと、 底部に第２フランジ、中心に第１ロツドのおね
じを螺合させる第２めねじを形成した第２転付ロ
ツドと を備えて前記ロツク部を構成したことを特徴とす
るマンホール蓋用開閉具。[Scope of Claim for Utility Model Registration] A manhole cover opening/closing device that opens and closes a manhole cover by hooking a key through a hook bolt to a lock part provided in a keyhole of the manhole cover, which has a first flange at the head and a hook bolt at the center. A first female thread that screws into the manhole cover, a first rod that has a thread formed on its outer periphery, and a first female thread of the first rod that locks the closed state of the manhole cover when the manhole cover is closed. The manhole cover is characterized in that the locking portion includes a locking bolt, and a second attachment rod having a second flange at the bottom and a second female thread formed in the center to which the male thread of the first rod is screwed. Opening/closing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10586U JPH0414509Y2 (en) | 1986-01-07 | 1986-01-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10586U JPH0414509Y2 (en) | 1986-01-07 | 1986-01-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62114943U true JPS62114943U (en) | 1987-07-22 |
| JPH0414509Y2 JPH0414509Y2 (en) | 1992-03-31 |
Family
ID=30776787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10586U Expired JPH0414509Y2 (en) | 1986-01-07 | 1986-01-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0414509Y2 (en) |
-
1986
- 1986-01-07 JP JP10586U patent/JPH0414509Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0414509Y2 (en) | 1992-03-31 |
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