JPS63136690U - - Google Patents
Info
- Publication number
- JPS63136690U JPS63136690U JP2691087U JP2691087U JPS63136690U JP S63136690 U JPS63136690 U JP S63136690U JP 2691087 U JP2691087 U JP 2691087U JP 2691087 U JP2691087 U JP 2691087U JP S63136690 U JPS63136690 U JP S63136690U
- Authority
- JP
- Japan
- Prior art keywords
- boom
- base
- attached
- sheave
- inner boom
- 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.)
- Granted
Links
- 230000008602 contraction Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Jib Cranes (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987026910U JP2563999Y2 (ja) | 1987-02-25 | 1987-02-25 | 多段伸縮ブーム |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987026910U JP2563999Y2 (ja) | 1987-02-25 | 1987-02-25 | 多段伸縮ブーム |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS63136690U true JPS63136690U (sl) | 1988-09-08 |
JP2563999Y2 JP2563999Y2 (ja) | 1998-03-04 |
Family
ID=30828445
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987026910U Expired - Lifetime JP2563999Y2 (ja) | 1987-02-25 | 1987-02-25 | 多段伸縮ブーム |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2563999Y2 (sl) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5598087A (en) * | 1978-12-27 | 1980-07-25 | Tokyu Car Corp | Multistage expansion boom |
-
1987
- 1987-02-25 JP JP1987026910U patent/JP2563999Y2/ja not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5598087A (en) * | 1978-12-27 | 1980-07-25 | Tokyu Car Corp | Multistage expansion boom |
Also Published As
Publication number | Publication date |
---|---|
JP2563999Y2 (ja) | 1998-03-04 |
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