GB2247448B - Levelling assembly for work platforms on articulating booms - Google Patents

Levelling assembly for work platforms on articulating booms

Info

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
Application number
GB9120040A
Other versions
GB9120040D0 (en
GB2247448A (en
Inventor
Wayne P Macdonald
Jeffery J Ritz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JLG Industries Inc
Original Assignee
JLG Industries Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US07105724 external-priority patent/US4754840B1/en
Application filed by JLG Industries Inc filed Critical JLG Industries Inc
Publication of GB9120040D0 publication Critical patent/GB9120040D0/en
Publication of GB2247448A publication Critical patent/GB2247448A/en
Application granted granted Critical
Publication of GB2247448B publication Critical patent/GB2247448B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
GB9120040A 1987-10-07 1991-09-18 Levelling assembly for work platforms on articulating booms Expired - Fee Related GB2247448B (en)

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)

* Cited by examiner, † Cited by third party
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

Patent Citations (9)

* Cited by examiner, † Cited by third party
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
GB9120040D0 (en) 1991-11-06
GB2247448A (en) 1992-03-04

Similar Documents

Publication Publication Date Title
US4754840B1 (en) Leveling assembly for work platforms on articulating booms
GB8512278D0 (en) Raising/lowering off-shore work platform
AU3826685A (en) Derrick for marine platforms
JPS57180587A (en) Liner type extensible boom for crane or height bench or the like
GB8721813D0 (en) Work platform assembly
GB8713759D0 (en) Spray boom assembly
GB8822463D0 (en) Elevated working platform
PL256760A2 (en) Working platform
GB2168412B (en) Scaffolding platform
GB8823861D0 (en) Variable height work platform
GB2247448B (en) Levelling assembly for work platforms on articulating booms
GB9107830D0 (en) Work platform assembly
GB8729396D0 (en) Jacking beam
GB2194934B (en) Aerial work platform
GB8406350D0 (en) Work platforms
GB9200430D0 (en) Levelling tool
GB8719118D0 (en) Structures for scaffolding
AU2172888A (en) Foldable work platform
GB8506920D0 (en) Paternoster boom
AU3999889A (en) Elevating work platforms
GB8825939D0 (en) Work platform
GB8801647D0 (en) Scaffold platform & assembly kit for scaffold platform
GB8708782D0 (en) Slewing platform
AU9049082A (en) Work platform
AU99589S (en) A work platform

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