JPS6432890U - - Google Patents
Info
- Publication number
- JPS6432890U JPS6432890U JP12695987U JP12695987U JPS6432890U JP S6432890 U JPS6432890 U JP S6432890U JP 12695987 U JP12695987 U JP 12695987U JP 12695987 U JP12695987 U JP 12695987U JP S6432890 U JPS6432890 U JP S6432890U
- Authority
- JP
- Japan
- Prior art keywords
- boom
- detachable
- rotatable
- crane
- folding part
- 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
- Jib Cranes (AREA)
Description
第１図は、本考案の第１実施例を示す伸ばした
状態の要部斜視図、第２図は、縮めた状態の要部
斜視図、第３図は、第２実施例を示す伸ばした状
態の要部斜視図、第４図は、縮めた状態の要部斜
視図、第５図は、従来例のブームを張り出した状
態の側面図、第６図は、縮めた状態の側面図、第
７図は、トレーラによる運搬時の状態を示す側面
図である。
１……中間ブーム、６……係止部、７……トツ
プブーム、８……トツプ部、９……折り畳み部、
１０，１４……横材、１２……係止部、１３，１
５……縦材。
FIG. 1 is a perspective view of the main parts of the first embodiment of the present invention in the stretched state, FIG. 2 is a perspective view of the main parts of the contracted state, and FIG. 3 is the stretched state of the second embodiment. FIG. 4 is a perspective view of the main parts in the retracted state, FIG. 5 is a side view of the conventional example with the boom extended, and FIG. 6 is a side view of the retracted state. FIG. 7 is a side view showing the state during transportation by a trailer. 1... Intermediate boom, 6... Locking part, 7... Top boom, 8... Top part, 9... Folding part,
10, 14... Cross member, 12... Locking part, 13, 1
5...Vertical member.
Claims (1)
ムブームを有するクレーンのブームにおいて、 トツプブームおよびもしくはボトムブームを、
中間ブームに接続する４本の平行部材よりなる折
り畳み部とそれに続くトツプ部とによつて形成し
、中間ブームと折り畳み部との接続部を回動自在
とし、折り畳み部とトツプ部の接続部の横材もし
くは縦材を着脱自在とするかまたは接続部の片方
を着脱自在としたことを特徴とするクレーンのブ
ーム。[Claims for Utility Model Registration] In the boom of a crane having a top boom and a bottom boom connected to an intermediate boom, the top boom and/or the bottom boom,
It is formed by a folding part consisting of four parallel members connected to the intermediate boom and a top part following it, and the connecting part between the intermediate boom and the folding part is rotatable, and the connecting part between the folding part and the top part is rotatable. A crane boom characterized in that either the horizontal or vertical members are detachable, or one of the connecting parts is detachable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12695987U JPS6432890U (en) | 1987-08-22 | 1987-08-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12695987U JPS6432890U (en) | 1987-08-22 | 1987-08-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6432890U true JPS6432890U (en) | 1989-03-01 |
Family
ID=31378946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12695987U Pending JPS6432890U (en) | 1987-08-22 | 1987-08-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6432890U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03123672U (en) * | 1990-03-30 | 1991-12-16 | ||
| JP2012035997A (en) * | 2010-08-11 | 2012-02-23 | Ihi Construction Machinery Ltd | Structure of telescopic boom of crane |
-
1987
- 1987-08-22 JP JP12695987U patent/JPS6432890U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03123672U (en) * | 1990-03-30 | 1991-12-16 | ||
| JP2012035997A (en) * | 2010-08-11 | 2012-02-23 | Ihi Construction Machinery Ltd | Structure of telescopic boom of crane |