JPS6292284U - - Google Patents
Info
- Publication number
- JPS6292284U JPS6292284U JP18470485U JP18470485U JPS6292284U JP S6292284 U JPS6292284 U JP S6292284U JP 18470485 U JP18470485 U JP 18470485U JP 18470485 U JP18470485 U JP 18470485U JP S6292284 U JPS6292284 U JP S6292284U
- Authority
- JP
- Japan
- Prior art keywords
- jib
- stage
- tip
- main boom
- main
- 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
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Jib Cranes (AREA)
Description
第１図は本考案の１実施例を示す多段ジブの全
体図、第２図、第３図は前記多段ジブの操作を示
す説明図である。
１５；主フツク、１０；主ブーム、Ａ；２段ジ
ブ、１；外側ジブ、２；内側ジブ、８；ピン、４
；透孔、６；透孔。
FIG. 1 is an overall view of a multi-stage jib showing one embodiment of the present invention, and FIGS. 2 and 3 are explanatory diagrams showing the operation of the multi-stage jib. 15; Main hook, 10; Main boom, A; Two-stage jib, 1; Outer jib, 2; Inner jib, 8; Pin, 4
; through hole, 6; through hole.
Claims (1)
ームの先端部にその基端部を着脱自在に連結され
て主ブームの下側面に沿つた折りたたみ位置から
主ブームの先端前方へ張り出した張り出し位置の
間を揺動する伸縮式の多段ジブを備えたクレーン
において、 前記多段ジブを前記した折りたたみ位置と張り
出し位置との間で位置移動させるに際して、前記
多段ジブのうち内側に位置するジブを前記主フツ
クとの干渉を避けるために最外側のジブに対して
一定量引き出された中間位置で最外側のジブに連
結固定するための固定手段を備えたことを特徴と
する多段ジブを備えたクレーン。[Scope of Claim for Utility Model Registration] The base end of the main boom is removably connected to the tip of the main boom which suspends the main hook from the tip, and the main boom is moved from the folded position along the lower surface of the main boom. In a crane equipped with a telescoping multi-stage jib that swings between an extended position extending forward from the tip of the multi-stage jib, when moving the multi-stage jib between the folded position and the extended position, one of the multi-stage jib It is characterized by comprising a fixing means for connecting and fixing the inner jib to the outermost jib at an intermediate position that is pulled out a certain amount with respect to the outermost jib in order to avoid interference with the main hook. A crane equipped with a multi-stage jib.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18470485U JPH0352794Y2 (en) | 1985-11-29 | 1985-11-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18470485U JPH0352794Y2 (en) | 1985-11-29 | 1985-11-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6292284U true JPS6292284U (en) | 1987-06-12 |
| JPH0352794Y2 JPH0352794Y2 (en) | 1991-11-15 |
Family
ID=31132629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18470485U Expired JPH0352794Y2 (en) | 1985-11-29 | 1985-11-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0352794Y2 (en) |
-
1985
- 1985-11-29 JP JP18470485U patent/JPH0352794Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0352794Y2 (en) | 1991-11-15 |
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