WO2005070811A1 - Lifting equipment - Google Patents

Lifting equipment Download PDF

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Publication number
WO2005070811A1
WO2005070811A1 PCT/GB2005/000168 GB2005000168W WO2005070811A1 WO 2005070811 A1 WO2005070811 A1 WO 2005070811A1 GB 2005000168 W GB2005000168 W GB 2005000168W WO 2005070811 A1 WO2005070811 A1 WO 2005070811A1
Authority
WO
WIPO (PCT)
Prior art keywords
hoist
frame
lifting equipment
equipment according
cable
Prior art date
Application number
PCT/GB2005/000168
Other languages
French (fr)
Inventor
William David Jones
Original Assignee
William David Jones
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 William David Jones filed Critical William David Jones
Priority to GB0614481A priority Critical patent/GB2426000B/en
Publication of WO2005070811A1 publication Critical patent/WO2005070811A1/en

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
    • B66C23/18—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 specially adapted for use in particular purposes
    • B66C23/20—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 specially adapted for use in particular purposes with supporting couples provided by walls of buildings or like structures
    • B66C23/208—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 specially adapted for use in particular purposes with supporting couples provided by walls of buildings or like structures with supporting couples provided from the side, e.g. by walls of buildings
    • 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
    • B66C23/18—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 specially adapted for use in particular purposes
    • B66C23/20—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 specially adapted for use in particular purposes with supporting couples provided by walls of buildings or like structures
    • B66C23/24—Mobile wall cranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D3/00—Portable or mobile lifting or hauling appliances
    • B66D3/18—Power-operated hoists
    • B66D3/20—Power-operated hoists with driving motor, e.g. electric motor, and drum or barrel contained in a common housing
    • 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
    • B66F19/00—Hoisting, lifting, hauling or pushing, not otherwise provided for
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/14—Conveying or assembling building elements

Definitions

  • This invention relates to lifting equipment, and in particular to equipment and its method of use for lifting heavy plant and the like to elevated positions on or in buildings.
  • An outdoor air conditioning unit is one item of heavy equipment that is often required to be lifted into an elevated position onto wall brackets on the side of a building.
  • Such items of heavy equipment are lifted into position using mechanical hoists or towers.
  • Hoists require sufficient space to enable them to be moved into a suitable position for lifting, and towers require sufficient space for their erection.
  • Both hoists and towers require level ground in that space for safe use of the hoist or tower.
  • towers take an appreciable length of time to erect and dismantle.
  • others have proposed to use a powered hoist that is fitted to the wall mounting brackets on which the air conditioning unit is to be mounted.
  • the hoist cable is attached to the air conditioning unit, which is raised into position and secured to the wall mounting brackets.
  • the hoist cable is then detached from the air conditioning unit and the hoist removed from the mounting brackets.
  • the use of such a hoist involves the lifting of the relatively heavy hoist into position and attaching it to the wall mounting brackets by a person on a ladder. Such an operation is not without its difficulties and risks for the person concerned.
  • the wall mounting brackets required in order to use such a hoist, steel u-shaped construction channels being used must be significantly longer than those required for mounting the air conditioning unit only.
  • Such struts are relatively cumbersome, time consuming to fit, are prone to rusting over time and, in extending beyond the air conditioning unit, are unsightly.
  • the invention provides lifting equipment comprising: a frame adapted to be attached to an elevated surface, a hoist having a hoist cable and attachment means for attachment of a load, the frame being adapted to receive the hoist cable, whereby operation of the hoist to retract the cable causes the hoist and any load attached thereto to be raised towards the frame.
  • the frame and the hoist cable may have co-operating connection means whereby a free end of the cable may be connected to the frame.
  • the connection means of the cable may comprise a hook adapted to connect with a connection member of the frame.
  • the frame connection member may be a support link.
  • the frame may comprise an upright support member and a gibbet member attached to an upper part of the support member.
  • the frame may also comprise bracing means, which may comprise a pair of bracing struts connected to the support member and the gibbet member.
  • the bracing struts may be connected to the support member by a removable pin, whereby the frame may be folded for transportation and storage.
  • the bracing struts may be connected to each other by a bearing plate.
  • the frame is of aluminium.
  • the load attachment means may comprise ratchet straps.
  • the hoist may be electrically driven, and the lifting equipment may have a controller opera le to control operation of the hoist.
  • the controller may be connected to the hoist by means of an electrical cable, or may control operation of the hoist remotely, e.g. by an infrared or radio signal or the like.
  • the hoist may be hand operated or be adapted to be operated by a battery driven drill.
  • the invention also comprises a method of lifting a load comprising attaching a frame to an elevated surface, attaching a hoist to a load, connecting a cable of the hoist to the frame and operating the hoist to retract the cable to lift the hoist and load towards the frame.
  • the method may comprise detaching the hoist from the load after lifting and operating the hoist to deploy the cable and lower the hoist from the frame.
  • the method may comprise detaching the cable from the frame after lowering the hoist.
  • the method may comprise assembling the frame prior to attaching it to the elevated surface, and may comprise detaching the frame from the elevated surface after detaching the cable from the frame.
  • the method may also comprise folding the frame after detaching it from the elevated surface.
  • Fig. 1 is a side view of the lifting equipment ready for lifting
  • Fig. 2 is a side view of the equipment of Fig. 1 after lifting the hoist and load
  • Fig. 3 is a view of the frame in the folded configuration.
  • lifting equipment 10 for lifting an air conditioning unit 11.
  • the equipment 10 is described in relation to the lifting of an air conditioning unit 11, it could be used for lifting other heavy items of equipment to an elevated position adjacent a wall 12 or other elevated surface.
  • a conventional a/c unit bracket 13 of channel section is secured to the wall 12.
  • the lifting equipment 10 comprises a frame 14 having an upright support member 15 and a gibbet member 16 attached to angle brackets 17 welded to the upper part of the support member 15.
  • the frame 14 also has a pair of bracing struts 18 connected to the support member 15 and the gibbet member 16 to form the rigid triangular frame 14.
  • the bracing struts 18 are welded to a bearing plate 18a, which in use bears on the wall 12.
  • the bearing plate 18a restrains the bracing struts 18 behind the support member 15 to which they are connected by a removable pin 19.
  • the gibbet member 16 is connected to the brackets 17 and the bracing struts 18 by releasable or removable pins 20.
  • the pins 19, 20 may be bolts if preferred.
  • the frame 14 is of aluminium so as to be of light weight for ease of transportation and carrying up a ladder for positioning on the wall 12 or other elevated surface.
  • a hook connection 21 support link is mounted on the gibbet member 16.
  • the frame 14 After transporting the frame 14 to the site in the form shown in Fig. 3, the frame 14 is assembled to the form shown in Fig. 1 and the pins 19, 20 tightened to render the frame 14 rigid.
  • the lower end of the support member 15 is located centrally of the a/c unit bracket 13 to extend vertically upwardly therefrom.
  • the brackets 17, and hence the frame 14, is then secured to the wall 12 by means of screws and plugs 22. If the standard u-shaped construction channel is used to support the a/c unit bracket 13 without any horizontal cross member, then the frame 14 may be secured laterally by a further screw and plug 22 placed through a hole provided in the bearing plate 18a.
  • a hoist 23 is secured by means of ratchet straps 24 to the air conditioning unit 11. Preferably the surfaces of the a/c unit 11 are protected by means of padding or the like (not shown).
  • the hoist cable 26 is withdrawn from the hoist 23 and a connection hook 25 at the free end of the cable 26 is connected to the hook connection 21 on the gibbet member 16.
  • the hoist 23 is connected to an electrical supply 27 using a lead 28 that is long enough to allow for the raising of the hoist 23.
  • a remote controller 29 sends an infrared or radio signal 30 to a receiver on the hoist 23 to operate the hoist 23.
  • Operation of the hoist 23 causes the hoist cable 26 to be retracted, thereby lifting the hoist 23 and the a/c unit 11 from the position on the ground shown in Fig. 1.
  • the a/c unit 11 is lifted towards the gibbet member 16 to the position shown in Fig. 2.
  • Other forms of signal 30 may be used, or the controller 29 may be connected to the hoist 23 by means of a sufficiently long electrical cable if preferred.
  • the hoist 23 may be hand operated or be adapted to be operated by a battery driven drill. When the a/c unit 11 is slightly higher than the desired position, the hoist 23 is stopped.
  • the support bracket outrigger legs 31 (shown in dashed lines in Fig.
  • the plugs 22, possibly with dummy screws therein, may be left in position in the wall 12 so that the frame 14 may be re-attached for removal of the a/c unit 11 for maintenance or replacement purposes.
  • the hook 25 of hoist 23 may be attached to the hook connection 21.
  • the hoist 23 may be raised up to the gibbet member 16 and slid over the end of the gibbet member 16 to be supported thereby. For safety, the end plate 32 should then be replaced to prevent the hoist 23 from sliding off the gibbet member 16.
  • the hook 25 may be released from the hook connection 21 and attached to the standard lifting eye on the compressor or other part, which may then be detached from the a/c unit 11 and lowered to the ground.
  • the repaired or replacement compressor is later lifted back into position, the hoist 23 lowered and the hook 25 removed.
  • lifting equipment is provided that requires only the relatively light frame to be carried manually up and down a ladder. Lifting of a relatively heavy hoist is largely avoided. No unsightly or rusting members remain in place after installation of the a/c unit. The operator can position him or herself remote from the suspended a/c unit during installation, thereby reducing the risk of accidents and injury.
  • the lifting equipment is more readily handled and transported from location to location than is the case with known lifting equipment.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Jib Cranes (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Load-Engaging Elements For Cranes (AREA)

Abstract

Lifting equipment (10) for lifting a heavy load such as an air conditioning unit (11) to be attached to a wall or other elevated surface (12) and its method of use to avoid lifting a heavy hoist is described. The lifting equipment (10) has a foldable frame (14) which is assembled and then attached to the elevated surface (12), a hoist (23) and attachment means (24) for attachment of the load (11) to the hoist (23). A cable (26) of the hoist (23) is attached to the frame (14), alter which operation of the hoist (23) to retract the cable (26) causes the hoist (23) and he attached load (11) to be raised towards the frame (14). After attaching the load (11) to the wall (12), the hoist (23) is detached from the load (11) and actuated by means of a remote controller (29) to lower the hoist (23) from the frame (14).

Description

LIFTING EQUIPMENT
This invention relates to lifting equipment, and in particular to equipment and its method of use for lifting heavy plant and the like to elevated positions on or in buildings.
An outdoor air conditioning unit is one item of heavy equipment that is often required to be lifted into an elevated position onto wall brackets on the side of a building. Conventionally, such items of heavy equipment are lifted into position using mechanical hoists or towers. Hoists require sufficient space to enable them to be moved into a suitable position for lifting, and towers require sufficient space for their erection. Both hoists and towers require level ground in that space for safe use of the hoist or tower. Furthermore, towers take an appreciable length of time to erect and dismantle. To overcome these problems, others have proposed to use a powered hoist that is fitted to the wall mounting brackets on which the air conditioning unit is to be mounted. The hoist cable is attached to the air conditioning unit, which is raised into position and secured to the wall mounting brackets. The hoist cable is then detached from the air conditioning unit and the hoist removed from the mounting brackets. However, the use of such a hoist involves the lifting of the relatively heavy hoist into position and attaching it to the wall mounting brackets by a person on a ladder. Such an operation is not without its difficulties and risks for the person concerned. In addition, the wall mounting brackets required in order to use such a hoist, steel u-shaped construction channels being used, must be significantly longer than those required for mounting the air conditioning unit only. Such struts are relatively cumbersome, time consuming to fit, are prone to rusting over time and, in extending beyond the air conditioning unit, are unsightly.
It is an object of the present invention to provide lifting equipment and a method of use that overcomes to a significant extent the disadvantages of the known equipment and their methods of use.
The invention provides lifting equipment comprising: a frame adapted to be attached to an elevated surface, a hoist having a hoist cable and attachment means for attachment of a load, the frame being adapted to receive the hoist cable, whereby operation of the hoist to retract the cable causes the hoist and any load attached thereto to be raised towards the frame.
Cable includes rope, wire, chain, band, belt, strap or the like. The frame and the hoist cable may have co-operating connection means whereby a free end of the cable may be connected to the frame. The connection means of the cable may comprise a hook adapted to connect with a connection member of the frame. The frame connection member may be a support link. The frame may comprise an upright support member and a gibbet member attached to an upper part of the support member. The frame may also comprise bracing means, which may comprise a pair of bracing struts connected to the support member and the gibbet member. The bracing struts may be connected to the support member by a removable pin, whereby the frame may be folded for transportation and storage. The bracing struts may be connected to each other by a bearing plate. Preferably, the frame is of aluminium.
The load attachment means may comprise ratchet straps. The hoist may be electrically driven, and the lifting equipment may have a controller opera le to control operation of the hoist. The controller may be connected to the hoist by means of an electrical cable, or may control operation of the hoist remotely, e.g. by an infrared or radio signal or the like. As a further alternative, the hoist may be hand operated or be adapted to be operated by a battery driven drill.
The invention also comprises a method of lifting a load comprising attaching a frame to an elevated surface, attaching a hoist to a load, connecting a cable of the hoist to the frame and operating the hoist to retract the cable to lift the hoist and load towards the frame.
The method may comprise detaching the hoist from the load after lifting and operating the hoist to deploy the cable and lower the hoist from the frame. The method may comprise detaching the cable from the frame after lowering the hoist.
The method may comprise assembling the frame prior to attaching it to the elevated surface, and may comprise detaching the frame from the elevated surface after detaching the cable from the frame. The method may also comprise folding the frame after detaching it from the elevated surface.
The invention will now be described with reference to the accompanying drawings in which: Fig. 1 is a side view of the lifting equipment ready for lifting, Fig. 2 is a side view of the equipment of Fig. 1 after lifting the hoist and load, and Fig. 3 is a view of the frame in the folded configuration.
Referring now to Fig. 1, there is shown lifting equipment 10 for lifting an air conditioning unit 11. Although the equipment 10 is described in relation to the lifting of an air conditioning unit 11, it could be used for lifting other heavy items of equipment to an elevated position adjacent a wall 12 or other elevated surface. To mount the air conditioning unit 11 on the wall 12, a conventional a/c unit bracket 13 of channel section is secured to the wall 12. The lifting equipment 10 comprises a frame 14 having an upright support member 15 and a gibbet member 16 attached to angle brackets 17 welded to the upper part of the support member 15. The frame 14 also has a pair of bracing struts 18 connected to the support member 15 and the gibbet member 16 to form the rigid triangular frame 14. The bracing struts 18 are welded to a bearing plate 18a, which in use bears on the wall 12. The bearing plate 18a restrains the bracing struts 18 behind the support member 15 to which they are connected by a removable pin 19. The gibbet member 16 is connected to the brackets 17 and the bracing struts 18 by releasable or removable pins 20. By this means, on removal of the pin 19 and release or removal of the pins 20, the frame 14 may be folded for transportation and storage as shown in Fig. 3. The pins 19, 20 may be bolts if preferred. Preferably, the frame 14 is of aluminium so as to be of light weight for ease of transportation and carrying up a ladder for positioning on the wall 12 or other elevated surface. A hook connection 21 support link is mounted on the gibbet member 16.
After transporting the frame 14 to the site in the form shown in Fig. 3, the frame 14 is assembled to the form shown in Fig. 1 and the pins 19, 20 tightened to render the frame 14 rigid. The lower end of the support member 15 is located centrally of the a/c unit bracket 13 to extend vertically upwardly therefrom. The brackets 17, and hence the frame 14, is then secured to the wall 12 by means of screws and plugs 22. If the standard u-shaped construction channel is used to support the a/c unit bracket 13 without any horizontal cross member, then the frame 14 may be secured laterally by a further screw and plug 22 placed through a hole provided in the bearing plate 18a.
A hoist 23 is secured by means of ratchet straps 24 to the air conditioning unit 11. Preferably the surfaces of the a/c unit 11 are protected by means of padding or the like (not shown). The hoist cable 26 is withdrawn from the hoist 23 and a connection hook 25 at the free end of the cable 26 is connected to the hook connection 21 on the gibbet member 16. The hoist 23 is connected to an electrical supply 27 using a lead 28 that is long enough to allow for the raising of the hoist 23. A remote controller 29 sends an infrared or radio signal 30 to a receiver on the hoist 23 to operate the hoist 23. Operation of the hoist 23 causes the hoist cable 26 to be retracted, thereby lifting the hoist 23 and the a/c unit 11 from the position on the ground shown in Fig. 1. The a/c unit 11 is lifted towards the gibbet member 16 to the position shown in Fig. 2. Other forms of signal 30 may be used, or the controller 29 may be connected to the hoist 23 by means of a sufficiently long electrical cable if preferred. As a further alternative, the hoist 23 may be hand operated or be adapted to be operated by a battery driven drill. When the a/c unit 11 is slightly higher than the desired position, the hoist 23 is stopped. The support bracket outrigger legs 31 (shown in dashed lines in Fig. 2) are mounted on the a/c unit bracket 13 and the hoist 23 is again operated to lower the a/c unit 11 on to the support bracket outrigger legs 31 and a/c unit bracket 13. When the a/c unit 11 is securely in position on the bracket outrigger legs 31 and a/c unit bracket 13, the hoist 23 is detached from the a/c unit 11 by releasing the ratchet straps 24. The hoist 23 is again operated to lower itself to the ground, whereupon the connection hook 25 of the hoist cable 26 is removed from the hook connection 21 on the gibbet member 16. The frame 14 can then be removed from the wall 12, the pin 19 removed and pins 20 released or removed to allow folding of the frame 14 to the substantially plane configuration shown in Fig. 3. The folded frame 14 can be placed in a bag or other container and transported, for example in the boot of a car, to another location for subsequent use.
The plugs 22, possibly with dummy screws therein, may be left in position in the wall 12 so that the frame 14 may be re-attached for removal of the a/c unit 11 for maintenance or replacement purposes. In the event that a part of the a/c unit 11, for example the compressor, requires removal for maintenance or replacement, the hook 25 of hoist 23 may be attached to the hook connection 21. After removal of an end plate 32 from the gibbet member 16, the hoist 23 may be raised up to the gibbet member 16 and slid over the end of the gibbet member 16 to be supported thereby. For safety, the end plate 32 should then be replaced to prevent the hoist 23 from sliding off the gibbet member 16. The hook 25 may be released from the hook connection 21 and attached to the standard lifting eye on the compressor or other part, which may then be detached from the a/c unit 11 and lowered to the ground. The repaired or replacement compressor is later lifted back into position, the hoist 23 lowered and the hook 25 removed.
By means of the invention, lifting equipment is provided that requires only the relatively light frame to be carried manually up and down a ladder. Lifting of a relatively heavy hoist is largely avoided. No unsightly or rusting members remain in place after installation of the a/c unit. The operator can position him or herself remote from the suspended a/c unit during installation, thereby reducing the risk of accidents and injury. The lifting equipment is more readily handled and transported from location to location than is the case with known lifting equipment.

Claims

1. Lifting equipment (10) comprising: a frame (14) adapted to be attached to an elevated surface (12), a hoist (23) having a hoist cable (26) and attachment means (24) for attachment of a load (11), characterised by the frame (14) being adapted to receive the hoist cable (26), whereby operation of the hoist (23) to retract the cable (26) causes the hoist (23) and any load (11) attached thereto to be raised towards the frame (14).
2. Lifting equipment according to claim 1 , characterised in that the frame (14) and the hoist cable (26) have co-operating connection means (25, 21) whereby a free end of the cable (26) may be connected to the frame (14).
3. Lifting equipment according to claim 2, characterised in that the connection means (25) of the cable (26) comprises a hook (25) adapted to connect with a connection member (21) of the frame (14).
4. Lifting equipment according to claim 3, characterised in that the frame connection member (21) is a support link.
5. Lifting equipment according to any one of claims 1 to 4, characterised in that the frame (14) comprises an upright support member (15).
6. Lifting equipment according to claim 5, characterised in that the frame (14) comprises a gibbet member (16) attached to an upper part of the support member (15).
7. Lifting equipment according to claim 6, characterised in that the frame (14) also comprises bracing means (18).
8. Lifting equipment according to claim 7, characterised in that the bracing means (18) comprises a pair of bracing struts (18) connected to the support member (15) and the gibbet member (16).
9. Lifting equipment according to claim 8, characterised in that the bracing struts (18) are connected to the support member (15) by a removable pin (19).
10. Lifting equipment according to claim 9, characterised in that the frame (14) is adapted to be folded for transportation and storage.
11. Lifting equipment according to any one of claims 8 to 10, characterised in that the bracing struts (18) are connected to each other by a bearing plate (18a).
12. Lifting equipment according to any one of claims 1 to 11 , characterised in that the frame (14) is of aluminium.
13. Lifting equipment according to any one of claims 1 to 12, characterised in that the load attachment means (24) comprises ratchet straps (24).
14. Lifting equipment according to any one of claims 1 to 13, characterised in that the hoist (23) is electrically driven.
15. Lifting equipment according to claim 14, characterised by a controller (29) operable to control operation of the hoist (23).
16. Lifting equipment according to claim 15, characterised in that the controller (29) is connected to the hoist (23) by means of an electrical cable.
17. Lifting equipment according to claim 16, characterised in that the controller (29) is adapted to control operation of the hoist (23) remotely.
18. Lifting equipment according to claim 17, characterised in that the controller (29) controls operation of the hoist (23) by means of an infrared signal (30).
19. Lifting equipment according to claim 18, characterised in that the controller (29) controls operation of the hoist (23) by means of a radio signal (30).
20. Lifting equipment according to any one of claims 1 to 13, characterised in that the hoist (23) is hand operated.
21. Lifting equipment according to any one of claims 1 to 13, characterised in that the hoist (23) is adapted to be operated by a battery driven drill.
22. A method of lifting a load (11) comprising attaching a frame (14) to an elevated surface (12) and attaching a hoist (23) to the load (11), characterised by connecting a cable (26) of the hoist (23) to the frame (14) and operating the hoist (23) to retract the cable (26) to lift the hoist
(23) and load (11) towards the frame (14).
23. A method according to claim 22, characterised by detaching the hoist (23) from the load (11) after lifting and operating the hoist (23) to deploy the cable (26) and lower the hoist (23) from the frame (14).
24. A method according to claim 23, characterised by detaching the cable (26) from the frame (14) after lowering the hoist (23).
25. A method according to claim 24, characterised by detaching the frame (14) from the elevated surface (12) after detaching the cable (26) from the frame (14).
26. A method according to any one of claims 22 to 25, characterised by assembling the frame (14) prior to attaching it to the elevated surface (12).
27. A method according to claim 26, characterised by detaching the frame (14) from the elevated surface (12) and folding the frame (14) after detaching it from the elevated surface (12).
28. Lifting equipment substantially as hereinbefore described with reference to and as illustrated in the accompanying drawings.
29. A method of lifting a load substantially as hereinbefore described with reference to the accompanying drawings.
PCT/GB2005/000168 2004-01-24 2005-01-18 Lifting equipment WO2005070811A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0614481A GB2426000B (en) 2004-01-24 2005-01-18 Lifting equipment

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0401558.2A GB0401558D0 (en) 2004-01-24 2004-01-24 Lifting equipment
GB0401558.2 2004-01-24

Publications (1)

Publication Number Publication Date
WO2005070811A1 true WO2005070811A1 (en) 2005-08-04

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ID=31971388

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Application Number Title Priority Date Filing Date
PCT/GB2005/000168 WO2005070811A1 (en) 2004-01-24 2005-01-18 Lifting equipment

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GB (2) GB0401558D0 (en)
WO (1) WO2005070811A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITFG20120009A1 (en) * 2012-10-08 2014-04-09 Marco Ramieri MACHINERY FOR FACILITATING THE CLIMB OF THE CONDITIONER OF THE EXTERNAL UNIT
CN105084236A (en) * 2015-07-04 2015-11-25 杨海良 Crane used for supporting rod device
CN108408626A (en) * 2018-02-08 2018-08-17 广州迅速光电科技有限公司 A kind of large grain and oil green storage and transportation apparatus of modified
US10221052B1 (en) 2017-09-06 2019-03-05 Cordell Anderson Hand chain lift motor conversion device

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GB2426000A (en) 2006-11-15
GB0401558D0 (en) 2004-02-25
GB0614481D0 (en) 2006-08-30

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