JPS52152055A - Self-travelling crane fall-preventing device - Google Patents
Self-travelling crane fall-preventing deviceInfo
- Publication number
- JPS52152055A JPS52152055A JP6859276A JP6859276A JPS52152055A JP S52152055 A JPS52152055 A JP S52152055A JP 6859276 A JP6859276 A JP 6859276A JP 6859276 A JP6859276 A JP 6859276A JP S52152055 A JPS52152055 A JP S52152055A
- Authority
- JP
- Japan
- Prior art keywords
- self
- travelling crane
- preventing device
- crane fall
- fall
- 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
Landscapes
- Jib Cranes (AREA)
- Control And Safety Of Cranes (AREA)
Abstract
PURPOSE: To prevent a self-travelling crane from falling back by designing it so that its boom becomes able becomes able to be raised only after its out-rigger jack is securely grounded.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6859276A JPS5943390B2 (en) | 1976-06-10 | 1976-06-10 | Self-propelled crane fall prevention device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6859276A JPS5943390B2 (en) | 1976-06-10 | 1976-06-10 | Self-propelled crane fall prevention device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS52152055A true JPS52152055A (en) | 1977-12-17 |
JPS5943390B2 JPS5943390B2 (en) | 1984-10-22 |
Family
ID=13378204
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6859276A Expired JPS5943390B2 (en) | 1976-06-10 | 1976-06-10 | Self-propelled crane fall prevention device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5943390B2 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57198149A (en) * | 1981-05-29 | 1982-12-04 | Shin Meiwa Ind Co Ltd | Safety device for car with boom |
JPS5887800U (en) * | 1981-12-08 | 1983-06-14 | 株式会社吉谷機械製作所 | Operational safety device for work vehicles with jacks |
JPS58113100A (en) * | 1981-12-26 | 1983-07-05 | 極東開発工業株式会社 | Emergency stop device for hydraulic operating apparatus in height service car |
-
1976
- 1976-06-10 JP JP6859276A patent/JPS5943390B2/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57198149A (en) * | 1981-05-29 | 1982-12-04 | Shin Meiwa Ind Co Ltd | Safety device for car with boom |
JPS5887800U (en) * | 1981-12-08 | 1983-06-14 | 株式会社吉谷機械製作所 | Operational safety device for work vehicles with jacks |
JPS58113100A (en) * | 1981-12-26 | 1983-07-05 | 極東開発工業株式会社 | Emergency stop device for hydraulic operating apparatus in height service car |
JPS6224360B2 (en) * | 1981-12-26 | 1987-05-28 | Kyokuto Kaihatsu Kogyo Co |
Also Published As
Publication number | Publication date |
---|---|
JPS5943390B2 (en) | 1984-10-22 |
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