JPS61151994U - - Google Patents
Info
- Publication number
- JPS61151994U JPS61151994U JP3551685U JP3551685U JPS61151994U JP S61151994 U JPS61151994 U JP S61151994U JP 3551685 U JP3551685 U JP 3551685U JP 3551685 U JP3551685 U JP 3551685U JP S61151994 U JPS61151994 U JP S61151994U
- Authority
- JP
- Japan
- Prior art keywords
- jack
- rig
- racks
- utility
- scope
- 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
Landscapes
- Transmission Devices (AREA)
- Telescopes (AREA)
Description
第１図は本考案の一実施例の平面図、第２図は
その正面図である。
１……コードパイプ、２ａ，２ｂ……センター
ラツク、３ａ，３ｂ……サイドラツク、７ａ，７
ｂ……センターピニオン、８ａ，８ｂ……サイド
ピニオン。
FIG. 1 is a plan view of an embodiment of the present invention, and FIG. 2 is a front view thereof. 1...cord pipe, 2a, 2b...center rack, 3a, 3b...side rack, 7a, 7
b...Center pinion, 8a, 8b...Side pinion.
Claims (1)
たことを特徴とするジヤツキアツプリグ用多段ジ
ヤツキ。 A multi-stage jack for a jack-up rig, characterized by having three or more racks on the outer surface of a cord pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3551685U JPS61151994U (en) | 1985-03-12 | 1985-03-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3551685U JPS61151994U (en) | 1985-03-12 | 1985-03-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61151994U true JPS61151994U (en) | 1986-09-19 |
Family
ID=30539867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3551685U Pending JPS61151994U (en) | 1985-03-12 | 1985-03-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61151994U (en) |
-
1985
- 1985-03-12 JP JP3551685U patent/JPS61151994U/ja active Pending