JPS643785U - - Google Patents
Info
- Publication number
- JPS643785U JPS643785U JP9697687U JP9697687U JPS643785U JP S643785 U JPS643785 U JP S643785U JP 9697687 U JP9697687 U JP 9697687U JP 9697687 U JP9697687 U JP 9697687U JP S643785 U JPS643785 U JP S643785U
- Authority
- JP
- Japan
- Prior art keywords
- jib
- boom
- tip
- telescopic
- tip boom
- 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
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 230000008602 contraction Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案の実施例を示すジブ格納固定状
態のブームの一部切欠側面図、第２図は同平面図
、第３図は第２図の部分拡大図、第４図は第３図
−線断面図、第５図はジブ伸縮状態の第４図
相当図、第６図は同第１図相当図である。
Ａ……伸縮ブーム、１……先端ブーム、２……
先端ブームの下段のブーム、３……ジブ、４……
ロープ式ジブ伸縮装置、４１……伸縮用ロープ、
４２……縮小用ロープ、４３……連結具、４３１
……同連結具のロープ止着部材、４３４，４３５
……同第１、第２リンク、４４，４５……連結具
取付部としての第１、第２ブラケツト。
Fig. 1 is a partially cutaway side view of the boom with the jib retracted and fixed, showing an embodiment of the present invention, Fig. 2 is a plan view of the same, Fig. 3 is a partially enlarged view of Fig. 2, and Fig. 4 is a 5 is a diagram corresponding to FIG. 4 of the jib in an expanded and contracted state, and FIG. 6 is a diagram corresponding to FIG. 1. A... Telescopic boom, 1... Tip boom, 2...
Lower boom of tip boom, 3... Jib, 4...
Rope type jib extension device, 41... Extension rope,
42...Reduction rope, 43...Connector, 431
... Rope fixing member of the same connector, 434, 435
...First and second links, 44, 45...First and second brackets as coupling attachment parts.
Claims (1)
出し、格納しうるようにスライド自在に嵌入され
、このジブには、ジブ伸長用ロープおよびジブ縮
小用ロープの一側が止めつけられ、この両ロープ
の他側は、共通の連結具に止着され、ジブ格納状
態でこの連結具が着脱自在に取付けられる連結具
取付部が、上記先端ブームと、先端ブームの下段
のブームとに設けられ、連結具が上記先端ブーム
の連結具取付部に取付けられた状態でジブが先端
ブームに対し格納状態に固定され、連結具が上記
下段のブームの連結具取付部に取付けられた状態
で、先端ブームの伸縮力がジブにジブ伸縮力とし
て伝達されるように構成されたことを特徴とする
伸縮ブームを備えたクレーン。 A jib is slidably fitted into the tip boom of the telescopic boom so that it can be extended and retracted, and one side of the jib extension rope and the jib reduction rope are fastened to the jib, and the other side of both ropes is fixed to the jib. The above-mentioned tip boom and the lower boom of the tip boom are provided with a coupling attachment section which is fixed to a common coupling device and to which this coupling device is detachably attached when the jib is retracted, and the coupling device is attached to the above-mentioned boom. The jib is fixed to the tip boom in a retracted state when it is attached to the coupling attachment part of the tip boom, and the extension and contraction force of the tip boom is A crane equipped with a telescopic boom, characterized in that the telescopic boom is configured to be transmitted to the jib as a jib telescopic force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9697687U JPS643785U (en) | 1987-06-23 | 1987-06-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9697687U JPS643785U (en) | 1987-06-23 | 1987-06-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS643785U true JPS643785U (en) | 1989-01-11 |
Family
ID=31322149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9697687U Pending JPS643785U (en) | 1987-06-23 | 1987-06-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS643785U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7610326B2 (en) | 2002-09-18 | 2009-10-27 | Canon Kabushiki Kaisha | Arithmetic circuit for calculating a cumulative value as a result of parallel arithmetic processing |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4814286U (en) * | 1971-06-28 | 1973-02-17 | ||
| JPS6119557A (en) * | 1984-07-09 | 1986-01-28 | Toshiba Corp | Polishing device |
-
1987
- 1987-06-23 JP JP9697687U patent/JPS643785U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4814286U (en) * | 1971-06-28 | 1973-02-17 | ||
| JPS6119557A (en) * | 1984-07-09 | 1986-01-28 | Toshiba Corp | Polishing device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7610326B2 (en) | 2002-09-18 | 2009-10-27 | Canon Kabushiki Kaisha | Arithmetic circuit for calculating a cumulative value as a result of parallel arithmetic processing |
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