JPH0392221U - - Google Patents
Info
- Publication number
- JPH0392221U JPH0392221U JP15266989U JP15266989U JPH0392221U JP H0392221 U JPH0392221 U JP H0392221U JP 15266989 U JP15266989 U JP 15266989U JP 15266989 U JP15266989 U JP 15266989U JP H0392221 U JPH0392221 U JP H0392221U
- Authority
- JP
- Japan
- Prior art keywords
- links
- long groove
- equal length
- frame rods
- fulcrums
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Rod-Shaped Construction Members (AREA)
Description
第１図は本考案トラスの一部切除した正面図、
第２図は第１図Ａ−Ａ線の断面図、第３図は枠杆
にリンクの取付状態を示す一部切除説明図、第４
図は他の実施例を示す説明図である。
１ａ，１ｂ……枠杆、２ａ，２ｂ……等長リン
ク、３ａ，３ｂ……枢着、４……長溝、５……係
止窪み部。
Figure 1 is a partially cutaway front view of the truss of the present invention.
Figure 2 is a sectional view taken along the line A-A in Figure 1, Figure 3 is a partially cutaway explanatory diagram showing how the link is attached to the frame rod, and Figure 4 is a cross-sectional view taken along line A-A in Figure 1.
The figure is an explanatory diagram showing another embodiment. 1a, 1b...frame rod, 2a, 2b...equal length link, 3a, 3b...pivot, 4...long groove, 5...locking recess.
Claims (1)
いて平行に配設し、前記上下枠杆１ａ，１ｂの両
側面に相対して等長リンク２ａ，２ｂを山形状に
連続しながら枠体１ａ，１ｂとリンク２ａ，２ｂ
の支点を互にピンで枢着３ａ，３ｂし、前記等長
リンク２ａ，２ｂのうち、リンク２ａと２ａ及び
２ｂと２ｂとを互に平行に形成すると共に方向を
異にする該リンク２ａ，２ｂのうち一方のリンク
２ａの枢着３ａを起点として長手方向に長溝４を
穿設し、該長溝４の端部に係止窪み部５を設けて
前記ピンを前記長溝４に沿わせて摺動と係止作用
を有するように形成した折畳式トラス。 Frame rods 1a and 1b are arranged parallel to each other at a predetermined interval at the upper and lower portions, and equal length links 2a and 2b are connected in a mountain shape facing both sides of the upper and lower frame rods 1a and 1b. Bodies 1a, 1b and links 2a, 2b
The fulcrums of the links 2a and 3b are pivotally connected to each other by pins, and among the equal length links 2a and 2b, the links 2a and 2a and 2b and 2b are formed parallel to each other and have different directions. A long groove 4 is formed in the longitudinal direction starting from the pivot point 3a of one of the links 2b, and a locking recess 5 is provided at the end of the long groove 4, so that the pin can be slid along the long groove 4. A folding truss designed to have dynamic and locking functions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15266989U JPH0392221U (en) | 1989-12-30 | 1989-12-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15266989U JPH0392221U (en) | 1989-12-30 | 1989-12-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0392221U true JPH0392221U (en) | 1991-09-19 |
Family
ID=31698922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15266989U Pending JPH0392221U (en) | 1989-12-30 | 1989-12-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0392221U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022503353A (en) * | 2018-09-30 | 2022-01-12 | シューヂョウ コンストラクション マシーナリー グループ カンパニー リミテッド | Foldable truss boom, truss boom, and crane |
-
1989
- 1989-12-30 JP JP15266989U patent/JPH0392221U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022503353A (en) * | 2018-09-30 | 2022-01-12 | シューヂョウ コンストラクション マシーナリー グループ カンパニー リミテッド | Foldable truss boom, truss boom, and crane |