JPS5830683U - Low surface pressure sliding body - Google Patents
Low surface pressure sliding bodyInfo
- Publication number
- JPS5830683U JPS5830683U JP12364381U JP12364381U JPS5830683U JP S5830683 U JPS5830683 U JP S5830683U JP 12364381 U JP12364381 U JP 12364381U JP 12364381 U JP12364381 U JP 12364381U JP S5830683 U JPS5830683 U JP S5830683U
- Authority
- JP
- Japan
- Prior art keywords
- sliding body
- surface pressure
- low surface
- curved surface
- pressure sliding
- 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図は従来の多段式ブームの要部を示す縦断側面図、
第２図はこの考案の実施例を示す要部縦、断側面図、第
３図は要部縦断拡大側面図、第４図は要部拡大斜視図、
第５図は凹曲面の他の実施例を示す要部縦断拡大側面図
、第６図は他の実施例を示す要部拡大斜視図である。
（符号）、３． ３ａ、 ３ｂ、 ４−−−−−−
ブーム、５ａ −〜５Ｃ１１５ａ 〜１５Ｃ−−−
−−−摺動体、１１ａ〜１１Ｃ１１６ａ〜１６Ｃ−−−
−−−平坦上面、１２８〜１２Ｃ。
１７ａ 〜１７Ｃ−−−−−−凸曲面、１３ａ〜１３Ｃ
，１４ａ〜１４Ｃ，１８ａ〜１８Ｃ・・・・・・凹曲面
。Figure 1 is a longitudinal side view showing the main parts of a conventional multi-stage boom.
Fig. 2 is a longitudinal and sectional side view of the main part showing an embodiment of this invention, Fig. 3 is an enlarged vertical sectional side view of the main part, and Fig. 4 is an enlarged perspective view of the main part.
FIG. 5 is an enlarged vertical side view of the main part showing another embodiment of the concave curved surface, and FIG. 6 is an enlarged perspective view of the main part showing another embodiment. (code), 3. 3a, 3b, 4------
Boom, 5a ---5C115a ~15C---
---Sliding body, 11a to 11C116a to 16C---
---Flat top surface, 128-12C. 17a ~ 17C ----- Convex curved surface, 13a ~ 13C
, 14a to 14C, 18a to 18C... Concave curved surface.
Claims (2)
ける互に嵌合し合うブーム間で、上部に平坦上面を形成
すると共に、下部に凸曲面を形成した摺動体を、内方の
ブーム後端上方に設けた凹曲面に載置し、上記摺動体の
凸曲面とこの凹曲面が面接触状態で摺接し得るようにし
たことを特徴とする低面圧摺動体。(1) Between the booms that fit into each other in a multi-stage boom having telescopic booms, a sliding body with a flat upper surface and a convex curved lower part is placed above the rear end of the inner boom. 1. A low surface pressure sliding body, characterized in that the sliding body is placed on a concave curved surface provided in the sliding body, so that the convex curved surface of the sliding body and this concave curved surface can come into sliding contact in a state of surface contact.
とする実用新案登録請求の範囲第（１）項記載の低面圧
摺動体。(2) The low surface pressure sliding body according to claim (1), wherein the convex curved surface of the sliding body is in the shape of a bowl.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12364381U JPS5830683U (en) | 1981-08-19 | 1981-08-19 | Low surface pressure sliding body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12364381U JPS5830683U (en) | 1981-08-19 | 1981-08-19 | Low surface pressure sliding body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5830683U true JPS5830683U (en) | 1983-02-28 |
Family
ID=29917538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12364381U Pending JPS5830683U (en) | 1981-08-19 | 1981-08-19 | Low surface pressure sliding body |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5830683U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012126465A (en) * | 2010-12-13 | 2012-07-05 | Tadano Ltd | Reaction support structure of telescopic boom |
-
1981
- 1981-08-19 JP JP12364381U patent/JPS5830683U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012126465A (en) * | 2010-12-13 | 2012-07-05 | Tadano Ltd | Reaction support structure of telescopic boom |
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