JPS61146547U - - Google Patents
Info
- Publication number
- JPS61146547U JPS61146547U JP3050785U JP3050785U JPS61146547U JP S61146547 U JPS61146547 U JP S61146547U JP 3050785 U JP3050785 U JP 3050785U JP 3050785 U JP3050785 U JP 3050785U JP S61146547 U JPS61146547 U JP S61146547U
- Authority
- JP
- Japan
- Prior art keywords
- key tip
- metal fitting
- support rod
- rotation prevention
- prevention metal
- 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 5
- 230000002265 prevention Effects 0.000 claims description 4
Landscapes
- Load-Engaging Elements For Cranes (AREA)
Description
第１図は本考案の一実施例の正面図、第２図は
同側面図、第３図は鍵穴の平面図、第４図は他の
実施例の正面図、第５図は同側面図、第６図は第
１図および第２図に示した鍵穴取付具に吊下げ用
ワイヤーを取り付けた一例を示す正面図である。
１……支持棒、２……鍵先、３……鍵先回動防
止金具、４……鍵穴嵌合係止突起、５……指操作
棒、６……吊り下げ用金具、７……スプリング。
Fig. 1 is a front view of one embodiment of the present invention, Fig. 2 is a side view of the same, Fig. 3 is a plan view of the keyhole, Fig. 4 is a front view of another embodiment of the invention, and Fig. 5 is a side view of the same. , FIG. 6 is a front view showing an example of a hanging wire attached to the keyhole fixture shown in FIGS. 1 and 2. 1...Support rod, 2...Key tip, 3...Key tip rotation prevention fitting, 4...Keyhole fitting locking protrusion, 5...Finger operation bar, 6...Hanging metal fitting, 7... spring.
Claims (1)
持棒の該多角形棒部に、下部両側に上記鍵先と直
角をなす方向に鍵穴嵌入係止突起を有すると共に
両側に指操作棒が突設され中心に多角形穴を有す
る鍵先回動防止金具を上下動し得るよう挿入し、
上記支持棒には該支持棒の上部に取り付けた吊り
下げ用金具と上記鍵先回動防止金具との間に該鍵
先回動防止金具を下方に押すよう弾発するスプリ
ングを設けたことを特徴とするマンホール蓋吊り
下げ用鍵穴取付具。 A support rod having a polygonal bar with a key tip provided at its lower end has keyhole-fitting locking protrusions on both sides of the lower part in a direction perpendicular to the key tip, and a finger operating bar on both sides. Insert a protruding key tip rotation prevention metal fitting having a polygonal hole in the center so that it can move up and down,
The support rod is characterized in that a spring is provided between the hanging metal fitting attached to the upper part of the support rod and the key tip rotation prevention metal fitting to push the key tip rotation prevention metal fitting downward. A keyhole mount for hanging manhole covers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3050785U JPS61146547U (en) | 1985-03-04 | 1985-03-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3050785U JPS61146547U (en) | 1985-03-04 | 1985-03-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61146547U true JPS61146547U (en) | 1986-09-10 |
Family
ID=30530266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3050785U Pending JPS61146547U (en) | 1985-03-04 | 1985-03-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61146547U (en) |
-
1985
- 1985-03-04 JP JP3050785U patent/JPS61146547U/ja active Pending