JPS5834883U - Auxiliary jib fixing device for truck cranes - Google Patents
Auxiliary jib fixing device for truck cranesInfo
- Publication number
- JPS5834883U JPS5834883U JP12870781U JP12870781U JPS5834883U JP S5834883 U JPS5834883 U JP S5834883U JP 12870781 U JP12870781 U JP 12870781U JP 12870781 U JP12870781 U JP 12870781U JP S5834883 U JPS5834883 U JP S5834883U
- Authority
- JP
- Japan
- Prior art keywords
- auxiliary jib
- fixing device
- truck cranes
- hook
- jib fixing
- 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)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来のトラッククレーンの概略側面図、第２図
は第１図の■部拡大図、第３図はこの考案の補助ジブ固
定装置を有するトラツククし・−ンの概略側面図、第４
図はその要部拡大図、第５図は第４図の■−■線に沿う
断面図、第６図は補助ジブの格納時の状態を示す要部側
面図である。
図において、１・・・・・・主ブーム、１′・パ・・・
・ブーム部材、２・・・・・・補助ジブ、５・・・・・
・ワイヤ、ト・・・・・雌部、９・・・・・・雄部１．
１０・・・・・・基板、１１・・・・・・ブラケット、
１２・・・・・・軸、１３・・・・・・フック伏型、１
３ａ・・・・・・フック部、１３ｂ・・・・・・型閉鎖
用段部、１４・・・・・・スプリング（弾性手段）、１
５・・・・・・基板、１６・・・・・・矢印状係止突起
である。
ｉ、、ｖ ９ １５〔
３−
！
［
第５図
薯０ ？
５６Fig. 1 is a schematic side view of a conventional truck crane, Fig. 2 is an enlarged view of the section ■ in Fig. 1, Fig. 3 is a schematic side view of a truck crane having an auxiliary jib fixing device of this invention, 4
The figure is an enlarged view of the main part, FIG. 5 is a cross-sectional view taken along the line ■--■ in FIG. 4, and FIG. 6 is a side view of the main part showing the state of the auxiliary jib when it is stored. In the figure, 1... Main boom, 1' Pa...
・Boom member, 2... Auxiliary jib, 5...
・Wire, T...Female part, 9...Male part 1.
10... Board, 11... Bracket,
12...Axis, 13...Hook down type, 1
3a...Hook part, 13b...Mold closing step part, 14...Spring (elastic means), 1
5... Board, 16... Arrow-shaped locking protrusion. i,,v 9 15 [3-! [Figure 5 0? 56
Claims (1)
して成るトラッククレーンにおいて、前記主ブームと補
助ジブの対向する部位のうちのいずれか一方に、互いに
向き合う側に弾性手段を付勢する回転可能な一対のフッ
ク伏型を設けるとともに、他方には前記弾性手段に抗し
て前記両フック状爪間に挿入係合しうる矢印状係止突起
を形成して成るトラッククレーンにおける補助ジブ固定
装置。 ２ 前記フック伏型の回転軸に関して先端側フック部と
対称側部位に、矢印状係止突起と係合しうる型閉鎖用段
部を形成して成る実用新案登録請求の範囲第１項記載の
トラッククレーンにおける補助ジブ固定装置。[Claims for Utility Model Registration] 1. In a truck crane comprising a collapsible auxiliary jib at the tip of the main boom, the main boom and the auxiliary jib may have a construction on either side facing each other. A pair of rotatable hooks are provided to bias the elastic means, and the other is provided with an arrow-shaped locking protrusion that can be inserted and engaged between the two hook-shaped pawls against the elastic means. Auxiliary jib fixing device for truck cranes. 2. A utility model according to claim 1, wherein a mold closing step part that can be engaged with an arrow-shaped locking protrusion is formed at a portion symmetrical to the tip side hook part with respect to the rotation axis of the hook-down mold. Auxiliary jib fixing device for truck cranes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12870781U JPS5834883U (en) | 1981-09-01 | 1981-09-01 | Auxiliary jib fixing device for truck cranes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12870781U JPS5834883U (en) | 1981-09-01 | 1981-09-01 | Auxiliary jib fixing device for truck cranes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5834883U true JPS5834883U (en) | 1983-03-07 |
Family
ID=29922392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12870781U Pending JPS5834883U (en) | 1981-09-01 | 1981-09-01 | Auxiliary jib fixing device for truck cranes |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5834883U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6190431U (en) * | 1984-11-20 | 1986-06-12 | ||
| JP2012091876A (en) * | 2010-10-22 | 2012-05-17 | Sekigahara Seisakusho:Kk | Loaded boat lifting and lowering device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54136063A (en) * | 1977-12-24 | 1979-10-22 | Orenstein & Koppel Ag | Crane provided with expansion jib |
-
1981
- 1981-09-01 JP JP12870781U patent/JPS5834883U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54136063A (en) * | 1977-12-24 | 1979-10-22 | Orenstein & Koppel Ag | Crane provided with expansion jib |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6190431U (en) * | 1984-11-20 | 1986-06-12 | ||
| JP2012091876A (en) * | 2010-10-22 | 2012-05-17 | Sekigahara Seisakusho:Kk | Loaded boat lifting and lowering device |
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