JPS6241040Y2 - - Google Patents
Info
- Publication number
- JPS6241040Y2 JPS6241040Y2 JP1977160011U JP16001177U JPS6241040Y2 JP S6241040 Y2 JPS6241040 Y2 JP S6241040Y2 JP 1977160011 U JP1977160011 U JP 1977160011U JP 16001177 U JP16001177 U JP 16001177U JP S6241040 Y2 JPS6241040 Y2 JP S6241040Y2
- Authority
- JP
- Japan
- Prior art keywords
- boom
- timer
- alarm
- operating speed
- extension
- 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
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 238000001514 detection method Methods 0.000 description 16
- 238000010586 diagram Methods 0.000 description 8
- 230000008602 contraction Effects 0.000 description 6
- 230000004913 activation Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 1
Landscapes
- Movable Scaffolding (AREA)
- Jib Cranes (AREA)
- Forklifts And Lifting Vehicles (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1977160011U JPS6241040Y2 (no) | 1977-11-28 | 1977-11-28 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1977160011U JPS6241040Y2 (no) | 1977-11-28 | 1977-11-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5484831U JPS5484831U (no) | 1979-06-15 |
JPS6241040Y2 true JPS6241040Y2 (no) | 1987-10-20 |
Family
ID=29153353
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1977160011U Expired JPS6241040Y2 (no) | 1977-11-28 | 1977-11-28 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6241040Y2 (no) |
-
1977
- 1977-11-28 JP JP1977160011U patent/JPS6241040Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5484831U (no) | 1979-06-15 |
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