GB2247448B - Levelling assembly for work platforms on articulating booms - Google Patents
Levelling assembly for work platforms on articulating boomsInfo
- Publication number
- GB2247448B GB2247448B GB9120040A GB9120040A GB2247448B GB 2247448 B GB2247448 B GB 2247448B GB 9120040 A GB9120040 A GB 9120040A GB 9120040 A GB9120040 A GB 9120040A GB 2247448 B GB2247448 B GB 2247448B
- Authority
- GB
- United Kingdom
- Prior art keywords
- work platforms
- levelling assembly
- articulating booms
- booms
- articulating
- 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 - Fee Related
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
- B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
- B66F11/044—Working platforms suspended from booms
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Forklifts And Lifting Vehicles (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07105724 US4754840B1 (en) | 1987-10-07 | 1987-10-07 | Leveling assembly for work platforms on articulating booms |
GB8808540A GB2210598B (en) | 1987-10-07 | 1988-04-12 | Levelling assembly for work platforms on articulating booms. |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9120040D0 GB9120040D0 (en) | 1991-11-06 |
GB2247448A GB2247448A (en) | 1992-03-04 |
GB2247448B true GB2247448B (en) | 1992-06-10 |
Family
ID=26293765
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9120040A Expired - Fee Related GB2247448B (en) | 1987-10-07 | 1991-09-18 | Levelling assembly for work platforms on articulating booms |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2247448B (en) |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1217026A (en) * | 1968-03-14 | 1970-12-23 | Metz Gmbh Carl | Mobile swivel ladder |
US3645359A (en) * | 1970-08-13 | 1972-02-29 | Reach All Mfg Co | Apparatus for automatically maintaining the angular position of an aerial platform used in conjunction with a boom |
GB1547446A (en) * | 1975-08-12 | 1979-06-20 | Beukenberg Maschf | Travelling auxiliary unit for use in underground roadways drivages tunnels and so forth |
GB2076779A (en) * | 1980-05-30 | 1981-12-09 | Jlg Ind Inc | Aerial lift platform apparatus with capacity indicator |
US4429763A (en) * | 1982-03-04 | 1984-02-07 | Technical And Safety Consultants, Inc. | Bucket rotation system for aerial tower |
GB2143799A (en) * | 1983-07-25 | 1985-02-20 | Cessna Aircraft Co | Self-levelling series type system |
GB2163126A (en) * | 1984-08-18 | 1986-02-19 | Bamford Excavators Ltd | A boom and method of operating it |
GB2169576A (en) * | 1985-01-10 | 1986-07-16 | Roughneck Excavators Limited | A wheeled barrow |
EP0232555A1 (en) * | 1986-02-14 | 1987-08-19 | Custers Hydraulica B.V. | A device for keeping a working platform of an access equipment in the desired position |
-
1991
- 1991-09-18 GB GB9120040A patent/GB2247448B/en not_active Expired - Fee Related
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1217026A (en) * | 1968-03-14 | 1970-12-23 | Metz Gmbh Carl | Mobile swivel ladder |
US3645359A (en) * | 1970-08-13 | 1972-02-29 | Reach All Mfg Co | Apparatus for automatically maintaining the angular position of an aerial platform used in conjunction with a boom |
GB1547446A (en) * | 1975-08-12 | 1979-06-20 | Beukenberg Maschf | Travelling auxiliary unit for use in underground roadways drivages tunnels and so forth |
GB2076779A (en) * | 1980-05-30 | 1981-12-09 | Jlg Ind Inc | Aerial lift platform apparatus with capacity indicator |
US4429763A (en) * | 1982-03-04 | 1984-02-07 | Technical And Safety Consultants, Inc. | Bucket rotation system for aerial tower |
GB2143799A (en) * | 1983-07-25 | 1985-02-20 | Cessna Aircraft Co | Self-levelling series type system |
GB2163126A (en) * | 1984-08-18 | 1986-02-19 | Bamford Excavators Ltd | A boom and method of operating it |
GB2169576A (en) * | 1985-01-10 | 1986-07-16 | Roughneck Excavators Limited | A wheeled barrow |
EP0232555A1 (en) * | 1986-02-14 | 1987-08-19 | Custers Hydraulica B.V. | A device for keeping a working platform of an access equipment in the desired position |
Also Published As
Publication number | Publication date |
---|---|
GB2247448A (en) | 1992-03-04 |
GB9120040D0 (en) | 1991-11-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
7732 | Case decided by the comptroller ** patent revoked (sect. 73(2)/1977) | ||
SP | Amendment (slips) printed | ||
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20020412 |