JPH0168386U - - Google Patents
Info
- Publication number
- JPH0168386U JPH0168386U JP1987162643U JP16264387U JPH0168386U JP H0168386 U JPH0168386 U JP H0168386U JP 1987162643 U JP1987162643 U JP 1987162643U JP 16264387 U JP16264387 U JP 16264387U JP H0168386 U JPH0168386 U JP H0168386U
- Authority
- JP
- Japan
- Prior art keywords
- jib
- base
- section
- tip
- mast
- 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 2
Landscapes
- Jib Cranes (AREA)
Description
第１図は、従来のラフイングジブ装置の説明図
、第２図は、本考案に係るラフイングジブ装置の
説明図である。
１；伸縮ブーム、５；ジブ取付ブラケツト、６
；ジブ本体、７；基ジブセクシヨン、８；中間ジ
ブセクシヨン、９；先端ジブセクシヨン、１１；
マスト、２１；固締装置。
FIG. 1 is an explanatory diagram of a conventional luffing jib device, and FIG. 2 is an explanatory diagram of a luffing jib device according to the present invention. 1; Telescopic boom, 5; Jib mounting bracket, 6
; Jib body, 7; Base jib section, 8; Intermediate jib section, 9; Tip jib section, 11;
Mast, 21; fastening device.
Claims (1)
の先端部の左右上下位置へ適宜の連結手段を介し
て着脱自在に連結することにより伸縮ブームの先
端部の前方へ突出状態に取り付けられるジブ取付
ブラケツト、 基ジブセクシヨン、中間ジブセクシヨンおよび
先端ジブセクシヨンとからなり、基ジブセクシヨ
ンの基端部を前記ジブ取付ブラケツトの先端部に
起伏自在に枢着連結されたジブ本体、 前記ジブ取付ブラケツトの基端寄り背面位置に
その基端部を起伏自在に枢着連結したマスト、 を備えてなる、伸縮ブームに継ぎ足されるラフ
イングジブ装置、 特に、伸縮ブームの先端部への着脱時にマスト
を基ジブセクシヨンの背面へ倒伏させた状態で、
ジブ取付ブラケツト、基ジブセクシヨンおよびマ
ストを一体的に着脱するようにしたラフイングジ
ブ装置において、倒伏状態にあるマストと基ジブ
セクシヨンの適所間を解除可能に連結する長さ調
節自在な固締装置を設けたことを特徴とするラフ
イングジブ装置。[Scope of Claim for Utility Model Registration] Projects forward of the tip of the telescopic boom by removably connecting the horizontal and vertical positions of its base end to the horizontal and vertical positions of the tip of the telescoping boom via appropriate connecting means. a jib mounting bracket that is attached to the jib mounting bracket; a jib main body comprising a base jib section, an intermediate jib section, and a tip jib section, the base end of the base jib section being pivotably connected to the tip of the jib mounting bracket; A luffing jib device to be attached to a telescopic boom, comprising: a mast whose base end is pivotably connected to the rear position near the base end of the mast; While lying on the back,
In a luffing jib device in which a jib mounting bracket, a base jib section, and a mast are integrally attached and detached, a length-adjustable locking device is provided to releasably connect the mast in a collapsed state and the base jib section at appropriate positions. A luffing jib device featuring:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16264387U JPH07472Y2 (en) | 1987-10-23 | 1987-10-23 | Luffing jib device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16264387U JPH07472Y2 (en) | 1987-10-23 | 1987-10-23 | Luffing jib device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0168386U true JPH0168386U (en) | 1989-05-02 |
| JPH07472Y2 JPH07472Y2 (en) | 1995-01-11 |
Family
ID=31446652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16264387U Expired - Lifetime JPH07472Y2 (en) | 1987-10-23 | 1987-10-23 | Luffing jib device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07472Y2 (en) |
-
1987
- 1987-10-23 JP JP16264387U patent/JPH07472Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH07472Y2 (en) | 1995-01-11 |
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