JPH0249981U - - Google Patents
Info
- Publication number
- JPH0249981U JPH0249981U JP12703288U JP12703288U JPH0249981U JP H0249981 U JPH0249981 U JP H0249981U JP 12703288 U JP12703288 U JP 12703288U JP 12703288 U JP12703288 U JP 12703288U JP H0249981 U JPH0249981 U JP H0249981U
- Authority
- JP
- Japan
- Prior art keywords
- manhole cover
- shaft
- keyhole
- lifting fitting
- holding
- 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
- 210000000078 claw Anatomy 0.000 description 1
Landscapes
- Load-Engaging Elements For Cranes (AREA)
Description
第１図は実施例に係るマンホール蓋吊り上げ金
具の正面図、第２図は実施例の側面図、第３図、
第４図は使用方法を説明する断面図であつて、第
３図は第４図の―線に沿う断面図、第４図は
第３図の―線に沿う断面図、第５図は実施例
の使用状態を示す図、第６図は他の実施例の断面
図、第７図は従来のマンホール鍵の正面図である
。
２０……吊り上げ金具、２２……シヤフト、２
４……掛合部、２６……鍵部、３２……蓋押さえ
部、３４……ロツクボルト、３６……ロツク爪。
Fig. 1 is a front view of the manhole cover lifting fitting according to the embodiment, Fig. 2 is a side view of the embodiment, Fig. 3,
Fig. 4 is a cross-sectional view for explaining how to use the product. FIG. 6 is a sectional view of another embodiment, and FIG. 7 is a front view of a conventional manhole key. 20...Lifting bracket, 22...Shaft, 2
4...Latching part, 26...Key part, 32...Lid holding part, 34...Lock bolt, 36...Lock claw.
Claims (1)
蓋の鍵穴に挿入する鍵部と、シヤフトに移動自在
に設けられ、前記マンホール蓋の上部を押さえる
蓋押さえ部とを有することを特徴とするマンホー
ル蓋吊り上げ金具。 (2) 前記蓋押さえ部は、前記シヤフトの軸方向
にのみ移動可能とされ、下端部の前記鍵部の側方
となる位置に、前記マンホール蓋の鍵穴に挿入す
るロツク爪を有していることを特徴とする請求項
１記載のマンホール蓋吊り上げ金具。[Claims for Utility Model Registration] (1) A key part formed at the lower end of the shaft and inserted into the keyhole of the manhole cover, and a cover holding part movably provided on the shaft and holding down the upper part of the manhole cover. A manhole cover lifting fitting characterized by having: (2) The lid holding part is movable only in the axial direction of the shaft, and has a locking pawl that is inserted into the keyhole of the manhole cover at a position on the side of the key part at the lower end. The manhole cover lifting fitting according to claim 1, characterized in that:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12703288U JPH0249981U (en) | 1988-09-28 | 1988-09-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12703288U JPH0249981U (en) | 1988-09-28 | 1988-09-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0249981U true JPH0249981U (en) | 1990-04-06 |
Family
ID=31379089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12703288U Pending JPH0249981U (en) | 1988-09-28 | 1988-09-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0249981U (en) |
-
1988
- 1988-09-28 JP JP12703288U patent/JPH0249981U/ja active Pending