EP0117120A3 - Control mechanism for access equipment - Google Patents

Control mechanism for access equipment Download PDF

Info

Publication number
EP0117120A3
EP0117120A3 EP84300957A EP84300957A EP0117120A3 EP 0117120 A3 EP0117120 A3 EP 0117120A3 EP 84300957 A EP84300957 A EP 84300957A EP 84300957 A EP84300957 A EP 84300957A EP 0117120 A3 EP0117120 A3 EP 0117120A3
Authority
EP
European Patent Office
Prior art keywords
boom
access equipment
hand levers
control mechanism
stop members
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.)
Withdrawn
Application number
EP84300957A
Other languages
German (de)
French (fr)
Other versions
EP0117120A2 (en
Inventor
Ridley Stokoe
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.)
Aerial Access Equipment Ltd
Original Assignee
Aerial Access Equipment Ltd
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
Application filed by Aerial Access Equipment Ltd filed Critical Aerial Access Equipment Ltd
Publication of EP0117120A2 publication Critical patent/EP0117120A2/en
Publication of EP0117120A3 publication Critical patent/EP0117120A3/en
Withdrawn legal-status Critical Current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
    • 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
    • B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
    • B66F17/006—Safety devices, e.g. for limiting or indicating lifting force for working platforms

Abstract

In access equipment of the type in which a working platform or cage is carried at the upper end of a boom assembly comprising a lower boom pivotally mounted on a support structure and an upper boom pivotally connected to the lower boom and in which the pivoting movements are effected by drive means operated by hand levers, stop members are provided associated with the hand levers and the position of the stop members is so controlled in accordance with the angle between the upper boom and the horizontal as to prevent the hand levers being moved into or remaining in operating positions which would increase the angle beyond a predetermined value.
EP84300957A 1983-02-16 1984-02-15 Control mechanism for access equipment Withdrawn EP0117120A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB838304329A GB8304329D0 (en) 1983-02-16 1983-02-16 Control mechanism for access equipment
GB8304329 1983-02-16

Publications (2)

Publication Number Publication Date
EP0117120A2 EP0117120A2 (en) 1984-08-29
EP0117120A3 true EP0117120A3 (en) 1986-03-19

Family

ID=10538104

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84300957A Withdrawn EP0117120A3 (en) 1983-02-16 1984-02-15 Control mechanism for access equipment

Country Status (2)

Country Link
EP (1) EP0117120A3 (en)
GB (1) GB8304329D0 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8600371A (en) * 1986-02-14 1987-09-01 Custers Hydraulica Bv DEVICE FOR MAINTAINING A WORK PLATFORM OF A PLATFORM IN THE DESIRED POSITION.
DE10144501A1 (en) * 2001-09-11 2003-04-03 Teupen Maschbau Gmbh Aerial work platform with hydraulic control

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1117129A (en) * 1954-03-31 1956-05-17 Thomas Adshead And Son Ltd Adjustable elevated workstation vehicle
US2905262A (en) * 1955-07-20 1959-09-22 Daniel H Zwight Mast control and deck leveling means for vehicle supported mast structure
US3066756A (en) * 1960-02-08 1962-12-04 Pitman Mfg Company Fire fighting apparatus or the like and controls therefor
US3461989A (en) * 1967-11-29 1969-08-19 Chance Co Ab Mechanism for preventing excessive relative swinging of an articulated aerial device
DE1756741A1 (en) * 1968-07-05 1970-05-06 Kloeckner Humboldt Deutz Ag Articulated mast with work basket attached to a vehicle
DE2408405A1 (en) * 1973-02-21 1974-08-22 Simon Eng Dudley Ltd HYDRAULICALLY OPERATED LIFTING DEVICE
FR2480264A1 (en) * 1980-04-10 1981-10-16 Cella Spa SAFETY DEVICE FOR LIFTING PLATFORMS WITH PERSONAL CARRIER FOR AIR CARE
EP0047726A2 (en) * 1980-09-08 1982-03-17 Ab Kranlyft A safety device in hydraulically operated working-platform elevators

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1117129A (en) * 1954-03-31 1956-05-17 Thomas Adshead And Son Ltd Adjustable elevated workstation vehicle
US2905262A (en) * 1955-07-20 1959-09-22 Daniel H Zwight Mast control and deck leveling means for vehicle supported mast structure
US3066756A (en) * 1960-02-08 1962-12-04 Pitman Mfg Company Fire fighting apparatus or the like and controls therefor
US3461989A (en) * 1967-11-29 1969-08-19 Chance Co Ab Mechanism for preventing excessive relative swinging of an articulated aerial device
DE1756741A1 (en) * 1968-07-05 1970-05-06 Kloeckner Humboldt Deutz Ag Articulated mast with work basket attached to a vehicle
DE2408405A1 (en) * 1973-02-21 1974-08-22 Simon Eng Dudley Ltd HYDRAULICALLY OPERATED LIFTING DEVICE
FR2480264A1 (en) * 1980-04-10 1981-10-16 Cella Spa SAFETY DEVICE FOR LIFTING PLATFORMS WITH PERSONAL CARRIER FOR AIR CARE
EP0047726A2 (en) * 1980-09-08 1982-03-17 Ab Kranlyft A safety device in hydraulically operated working-platform elevators

Also Published As

Publication number Publication date
EP0117120A2 (en) 1984-08-29
GB8304329D0 (en) 1983-03-23

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Legal Events

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Effective date: 19861119

RIN1 Information on inventor provided before grant (corrected)

Inventor name: STOKOE, RIDLEY