JPS5213244A - Retractile hydraulic boom for portable crane - Google Patents
Retractile hydraulic boom for portable craneInfo
- Publication number
- JPS5213244A JPS5213244A JP8851875A JP8851875A JPS5213244A JP S5213244 A JPS5213244 A JP S5213244A JP 8851875 A JP8851875 A JP 8851875A JP 8851875 A JP8851875 A JP 8851875A JP S5213244 A JPS5213244 A JP S5213244A
- Authority
- JP
- Japan
- Prior art keywords
- retractile
- hydraulic boom
- portable crane
- boom
- suspended
- 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
Abstract
PURPOSE: To reduce the weight of a cylinder by means of the arrangement such that the axial line of a retractile boom has an arc directing downward when no deflection is caused in the boom due to a suspended load, and the buckle resistance of a piston rod is maximum when the load is suspended.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50088518A JPS5818313B2 (en) | 1975-07-18 | 1975-07-18 | The new crane boom |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50088518A JPS5818313B2 (en) | 1975-07-18 | 1975-07-18 | The new crane boom |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5213244A true JPS5213244A (en) | 1977-02-01 |
JPS5818313B2 JPS5818313B2 (en) | 1983-04-12 |
Family
ID=13945039
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50088518A Expired JPS5818313B2 (en) | 1975-07-18 | 1975-07-18 | The new crane boom |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5818313B2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62118409U (en) * | 1986-01-20 | 1987-07-28 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4852269U (en) * | 1971-10-18 | 1973-07-06 |
-
1975
- 1975-07-18 JP JP50088518A patent/JPS5818313B2/en not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4852269U (en) * | 1971-10-18 | 1973-07-06 |
Also Published As
Publication number | Publication date |
---|---|
JPS5818313B2 (en) | 1983-04-12 |
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