EP0224446A3 - A hydraulic load limiting device for hydraulic cranes - Google Patents
A hydraulic load limiting device for hydraulic cranesInfo
- Publication number
- EP0224446A3 EP0224446A3 EP86830202A EP86830202A EP0224446A3 EP 0224446 A3 EP0224446 A3 EP 0224446A3 EP 86830202 A EP86830202 A EP 86830202A EP 86830202 A EP86830202 A EP 86830202A EP 0224446 A3 EP0224446 A3 EP 0224446A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- hydraulic
- limiting device
- cranes
- load limiting
- hydraulic load
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/88—Safety gear
- B66C23/90—Devices for indicating or limiting lifting moment
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Pressure Circuits (AREA)
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT4012885 | 1985-11-27 | ||
IT40128/85A IT1187219B (en) | 1985-11-27 | 1985-11-27 | Hydraulic load limiting device for hydraulic crane |
IT4013585 | 1985-12-20 | ||
IT40135/85A IT1202291B (en) | 1985-12-20 | 1985-12-20 | Hydraulic load limiting device for hydraulic crane |
IT4001686 | 1986-02-28 | ||
IT40016/86A IT1189792B (en) | 1986-02-28 | 1986-02-28 | Hydraulic load limiting device for hydraulic crane |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0224446A2 EP0224446A2 (en) | 1987-06-03 |
EP0224446A3 true EP0224446A3 (en) | 1988-07-13 |
EP0224446B1 EP0224446B1 (en) | 1991-04-24 |
Family
ID=27273594
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19860830202 Expired EP0224446B1 (en) | 1985-11-27 | 1986-07-15 | A hydraulic load limiting device for hydraulic cranes |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0224446B1 (en) |
DE (1) | DE3678905D1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5058752A (en) * | 1990-03-20 | 1991-10-22 | Simon-R.O. Corporation | Boom overload warning and control system |
US5597080A (en) * | 1994-08-02 | 1997-01-28 | Kranco Crane Services, Inc. | Snag load protection system for a crane |
US10316495B2 (en) * | 2014-06-18 | 2019-06-11 | Cnh Industrial America Llc | Safety hydraulic circuit |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1531187A1 (en) * | 1966-07-21 | 1969-07-31 | Grove Mfg Co | Safety load control device for cranes |
US3854593A (en) * | 1971-12-24 | 1974-12-17 | S Gross | Overload switch-off device for hydraulic lifting or adjusting mechanisms connected in tandem, in particular for hydraulic loading and unloading cranes |
GB2078197A (en) * | 1980-06-04 | 1982-01-06 | Hiab Foco Ab | Load limiting device |
DE3414183A1 (en) * | 1984-04-14 | 1985-10-24 | Robert Bosch Gmbh, 7000 Stuttgart | HYDRAULIC OVERLOAD PROTECTION DEVICE FOR A LOADING CRANE |
-
1986
- 1986-07-15 DE DE8686830202T patent/DE3678905D1/en not_active Expired - Lifetime
- 1986-07-15 EP EP19860830202 patent/EP0224446B1/en not_active Expired
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1531187A1 (en) * | 1966-07-21 | 1969-07-31 | Grove Mfg Co | Safety load control device for cranes |
US3854593A (en) * | 1971-12-24 | 1974-12-17 | S Gross | Overload switch-off device for hydraulic lifting or adjusting mechanisms connected in tandem, in particular for hydraulic loading and unloading cranes |
GB2078197A (en) * | 1980-06-04 | 1982-01-06 | Hiab Foco Ab | Load limiting device |
DE3414183A1 (en) * | 1984-04-14 | 1985-10-24 | Robert Bosch Gmbh, 7000 Stuttgart | HYDRAULIC OVERLOAD PROTECTION DEVICE FOR A LOADING CRANE |
Also Published As
Publication number | Publication date |
---|---|
DE3678905D1 (en) | 1991-05-29 |
EP0224446B1 (en) | 1991-04-24 |
EP0224446A2 (en) | 1987-06-03 |
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Legal Events
Date | Code | Title | Description |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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17P | Request for examination filed |
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