JPH0423902Y2 - - Google Patents
Info
- Publication number
- JPH0423902Y2 JPH0423902Y2 JP5474287U JP5474287U JPH0423902Y2 JP H0423902 Y2 JPH0423902 Y2 JP H0423902Y2 JP 5474287 U JP5474287 U JP 5474287U JP 5474287 U JP5474287 U JP 5474287U JP H0423902 Y2 JPH0423902 Y2 JP H0423902Y2
- Authority
- JP
- Japan
- Prior art keywords
- boom
- link member
- pin
- upper boom
- folded
- 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.)
- Expired
Links
- 238000000926 separation method Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 239000000463 material Substances 0.000 description 4
- 238000004873 anchoring Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Landscapes
- Jib Cranes (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5474287U JPH0423902Y2 (en18) | 1987-04-13 | 1987-04-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5474287U JPH0423902Y2 (en18) | 1987-04-13 | 1987-04-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63162786U JPS63162786U (en18) | 1988-10-24 |
| JPH0423902Y2 true JPH0423902Y2 (en18) | 1992-06-04 |
Family
ID=30882015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5474287U Expired JPH0423902Y2 (en18) | 1987-04-13 | 1987-04-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0423902Y2 (en18) |
-
1987
- 1987-04-13 JP JP5474287U patent/JPH0423902Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63162786U (en18) | 1988-10-24 |
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