JPS51146045A - Equi-distance three-stage extension beam - Google Patents
Equi-distance three-stage extension beamInfo
- Publication number
- JPS51146045A JPS51146045A JP6941975A JP6941975A JPS51146045A JP S51146045 A JPS51146045 A JP S51146045A JP 6941975 A JP6941975 A JP 6941975A JP 6941975 A JP6941975 A JP 6941975A JP S51146045 A JPS51146045 A JP S51146045A
- Authority
- JP
- Japan
- Prior art keywords
- equi
- distance
- extension beam
- stage extension
- length
- 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
- Load-Engaging Elements For Cranes (AREA)
Abstract
PURPOSE: To increase the ratio between the suspension beam length at the time of a minimum length of a movable beam and that at the time of a maximum length thereof and thus increase the ratio of the interval of the suspension tools disposed on each beam between the maximum and minimum length times.
COPYRIGHT: (C)1976,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6941975A JPS51146045A (en) | 1975-06-09 | 1975-06-09 | Equi-distance three-stage extension beam |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6941975A JPS51146045A (en) | 1975-06-09 | 1975-06-09 | Equi-distance three-stage extension beam |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS51146045A true JPS51146045A (en) | 1976-12-15 |
Family
ID=13402064
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6941975A Pending JPS51146045A (en) | 1975-06-09 | 1975-06-09 | Equi-distance three-stage extension beam |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS51146045A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010024005A (en) * | 2008-07-22 | 2010-02-04 | Sumitomo Heavy Ind Ltd | Suspension beam device |
JP2011195307A (en) * | 2010-03-23 | 2011-10-06 | Kito Corp | Expansion beam hanger device |
-
1975
- 1975-06-09 JP JP6941975A patent/JPS51146045A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010024005A (en) * | 2008-07-22 | 2010-02-04 | Sumitomo Heavy Ind Ltd | Suspension beam device |
JP2011195307A (en) * | 2010-03-23 | 2011-10-06 | Kito Corp | Expansion beam hanger device |
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