JPS5860686U - Sliding device in multistage boom - Google Patents
Sliding device in multistage boomInfo
- Publication number
- JPS5860686U JPS5860686U JP15639081U JP15639081U JPS5860686U JP S5860686 U JPS5860686 U JP S5860686U JP 15639081 U JP15639081 U JP 15639081U JP 15639081 U JP15639081 U JP 15639081U JP S5860686 U JPS5860686 U JP S5860686U
- Authority
- JP
- Japan
- Prior art keywords
- boom
- sliding device
- hard ball
- multistage boom
- wall
- 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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図はこの考案の実施例を具備した多段式ブームの一
部切欠側面図、第２図は摺動装置の第１実施例を示す要
部拡大図、第３図は同装置の第２実施例を示す要部拡大
図である。
（符号）、９・・・・・・硬球、７．１１・・・・・・
摺動板、Ａ・・・・・・摺動装置。Fig. 1 is a partially cutaway side view of a multi-stage boom equipped with an embodiment of this invention, Fig. 2 is an enlarged view of main parts showing the first embodiment of the sliding device, and Fig. 3 is a second view of the same device. FIG. 2 is an enlarged view of main parts showing an example. (Sign), 9...Hard ball, 7.11...
Sliding plate, A...Sliding device.
Claims (1)
嵌合し合う各ブーム間に、外方のブームの下方内壁から
内方のブームの下方外壁を上方に付勢するような硬球と
摺動板とを介装させ、荷重時にはこの硬球が退避し摺動
板にて支持しうる１ようにしたことを特徴とする多段式
ブームにおける摺動装置。In a multi-stage boom having telescopic booms, a hard ball and a sliding plate are installed between the mutually fitting booms to upwardly bias the lower outer wall of the inner boom from the lower inner wall of the outer boom. 1. A sliding device for a multi-stage boom, characterized in that the hard ball is provided with a hard ball and can be retracted and supported by a sliding plate when a load is applied.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15639081U JPS5860686U (en) | 1981-10-19 | 1981-10-19 | Sliding device in multistage boom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15639081U JPS5860686U (en) | 1981-10-19 | 1981-10-19 | Sliding device in multistage boom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5860686U true JPS5860686U (en) | 1983-04-23 |
Family
ID=29948930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15639081U Pending JPS5860686U (en) | 1981-10-19 | 1981-10-19 | Sliding device in multistage boom |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5860686U (en) |
-
1981
- 1981-10-19 JP JP15639081U patent/JPS5860686U/en active Pending
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