WO2010106373A1 - Lifting device - Google Patents
Lifting device Download PDFInfo
- Publication number
- WO2010106373A1 WO2010106373A1 PCT/GB2010/050470 GB2010050470W WO2010106373A1 WO 2010106373 A1 WO2010106373 A1 WO 2010106373A1 GB 2010050470 W GB2010050470 W GB 2010050470W WO 2010106373 A1 WO2010106373 A1 WO 2010106373A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- lifting device
- jaw member
- frame
- article
- arm
- Prior art date
Links
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 8
- 244000144987 brood Species 0.000 description 11
- 238000005755 formation reaction Methods 0.000 description 4
- 235000012907 honey Nutrition 0.000 description 4
- 206010003402 Arthropod sting Diseases 0.000 description 2
- 241000257303 Hymenoptera Species 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 208000025940 Back injury Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 210000001520 comb Anatomy 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 235000013601 eggs Nutrition 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000000266 injurious effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K55/00—Bee-smokers; Bee-keepers' accessories, e.g. veils
-
- 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
- B66D3/26—Other details, e.g. housings
Definitions
- This invention relates to a lifting device for lifting heavy articles such as the components of beehives, aircraft wheels and persons.
- Beehives generally comprise a brood box having opposite side and end walls and open top and bottom walls.
- the brood box is placed on a floor member of the beehive in such a way in which to allow bees into the brood box from below.
- the brood box contains removable frames of comb and its main nest or colony in which the queen bee resides, lays eggs and raises the brood of bees.
- a so-called super is mounted on top of the brood box, the super also having opposite side and end walls and open top and bottom walls.
- the super is shallower than the brood box and is separated therefrom by a mesh which is sized to prevent the queen bee from moving upwardly out of the brood box into the super, where the surplus honey is stored.
- One or more supers can be stacked on the brood box and a cover board is then mounted on top of the upper most super.
- honey is harvested by removing the or each super in turn and extracting the honey from the combs inside, for example by spinning the cones. If there is more than one super it is sometime necessary to re-arrange the position of a super in the stack.
- Aircraft tyres are very heavy and this can make it difficult to remove and fit the wheels and to transport them to other areas for storage or maintenance. Typically, such procedures are carried out by hand but it will be appreciated that this is difficult and potentially injurious.
- a lifting device comprising a wheeled body having an upstanding frame and a depending jaw member mounted to the frame and arranged to be actuated to grip an article between the jaw member and an opposing formation on the body, and a handle on the body for guiding the device.
- the device In use the device can be positioned over a beehive, aircraft wheel or other heavy article and the jaw member actuated so that the object is gripped on opposite sides between the jaw member and the opposing formation. The article can then be lifted by raising the handle and wheeled to a convenient location.
- the device acts to distance the beekeeper from the hive and hence the risk of bee stings is avoided.
- the handle is arranged to actuate the jaw member.
- the jaw member is pivoted to the frame.
- the body of the device comprises a pair of depending jaw members between which the article is gripped.
- the jaw members depend from an arm, the arm preferably being pivotally connected to the frame at a point intermediate the jaws.
- Preferably means are provided for locking the position of the arm relative to the frame.
- the arm In use, the arm is able to freely pivot during loading and unloading.
- the locking means can be actuated to set the angle at which the article is carried.
- each jaw members is adjustable in length.
- the actuable jaw member is pivotable relative to the frame and comprises an actuator which forms part of the handle.
- the actuable jaw member is pivotably connected to the arm, the arm preferably comprising an outwardly-extending extension which forms another part of the handle against which the actuator can be urged to grip the article whilst simultaneously guiding the device to the desired location.
- the device comprises a single pair of wheels arranged for rotation about a common axis, the frame comprising an upright portion which extends upwardly from a point intermediate of the wheels and a cranked portion which extends outwardly from the upper end of the upright portion in a direction perpendicular to the axis of wheel rotation.
- the upright portion is adjustable in length.
- the actuable jaw member is supported by the cranked portion.
- the device may be adapted to grip the article in such a way as to allow rotation of the article relative to the device. Such an arrangement is advantageous for lifting aircraft wheels since it allows the wheel to be rotated.
- the device comprises means for rotating the article when gripped between the jaw member and the opposing formation.
- Figure 1 is a side view of an embodiment of lifting device in accordance with the present invention for lifting components of beehives.
- Figure 2 is a side view of an embodiment of lifting device in accordance with the present invention for lifting wheels.
- the device 10 comprises a pair of wheels 13 mounted at opposite ends of an axle 14.
- the device 10 comprises a frame 15 having an elongate upright portion 16 which extends upwardly from a point intermediate opposite ends of the axle 14.
- the frame 15 further comprises a cranked portion 17 which extends outwardly from the upper end of the upright portion 16 in a direction which extends perpendicular to the axis of wheel rotation.
- the upright portion 16 is telescopically adjustable in length and comprises a locking member 18 which can be operated to set the length.
- a support leg 19 extends downwardly from the cranked portion 17 of the frame 15 intermediate at opposite ends thereof.
- the lower end of the leg 19 is pivotally connected to a support arm 20 at a point intermediate opposite ends thereof.
- Inner and outer elongate jaw members 21 , 22 extend downwardly from respective opposite ends of the support arm 20.
- Each jaw member 21 , 22 is telescopically adjustable in length and comprises a locking member 23 which can be independently operated to set the length.
- An elongate actuator 24 extends perpendicularly outwardly from the upper end of the outer jaw member 22 above the point at which it is pivoted to the arm 20.
- An elongate handle 25 extends co-axially outwardly from the outer end of the arm 22 at a point lying below the actuator 24.
- the outer end of the arm 20 is connected to the outer end of the cranked portion 17 of the frame 15 by an adjustable brace 26, which can be set to vary the attitude of the arm 20 by means of a locking member 27 on the cranked portion 17 of the frame that engages the brace 26 at a selected position along the length thereof.
- the jaw members 21 , 22 comprise respective fingers 28 at their lower ends which are directed towards each other and which are arranged to engage into formations 29 on opposite sides of the super 11 or underneath the super.
- the device 10 is positioned over the beehive such that the jaw members 21 , 22 are positioned on opposite sides thereof.
- the length of the jaw members 21 , 22 and the length of the upright portion 16 of the frame 15 can be adjusted to suit the depth of the super.
- the jaw members 21 , 22 can then be engaged with the super by pivoting the actuator 24 downwardly in direction A to cause the outer jaw member 22 to pivot towards the inner jaw member 21 thereby gripping the super 1 1.
- the beekeeper can then grasp the handle 25 and actuator 24 in one hand, thereby urging them together and maintaining the grip on the super 1 1.
- the handle 25 and actuator 24 can be lifted upwardly in direction B causing the frame 15 of device 10 to pivot relative to the wheels 13, such that the super 1 1 is lifted off the brood box 12.
- the device 10 can then be wheeled to a convenient location, whereupon the actuator 24 can be released to release the super 1 1 from the device 10.
- the spacing of the jaw members 21 , 22 can be adjusted to suit different widths of beehive.
- FIG. 2 of the drawings there is shown an alternative embodiment of device 10 in accordance with the present invention for lifting an aircraft wheel 50.
- the device is similar in construction to the device of Figure 1 and like parts are given like reference numerals.
- the jaw members 21 ,22 carry respective opposed rollers 54,52, which rotate about respective axes extending longitudinally of the jaw members 21 ,22.
- One of the rollers 52 comprises logititudinal ribs and a handle 53 is provided for rotating the roller 52 about its axis via a ratchet mechanism.
- the lower end of the jaw 21 is turned inwardly and carries a roller 51.
- the handle 25 and actuator 24 can be lifted upwardly in direction B causing the frame 15 of device 10 to pivot relative to the wheels 13, such that the wheel 50 is lifted upwardly.
- the device 10 can then be wheeled to a convenient location, whereupon the actuator 24 can be released to release the wheel 50 from the device 10.
- the handle 53 can be actuated to turn the roller 52 which in turn causes the wheel 50 to rotate about its axis for insprection or for aligning the wheel with mounting studs on an aircraft bogie.
- a lifting device in accordance with the present invention is simple and inexpensive in construction yet allows heavy articles to be lifted safely without the risk of back injury.
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Handcart (AREA)
Abstract
A lifting device (10) comprises a wheeled body having an upstanding frame (15) and a depending jaw member (22) mounted to the frame and arranged to be actuated to grip an article (11) between the jaw member (22) and an opposing formation (21) on the body, and a handle (24, 25) on the body for guiding the device.In use the device can be positioned over an article to be lifted and the jaw member actuated so that the article is gripped on opposite sides the jaw member (22) and the opposing formation (21).The article can then be lifted by raising the handle (24, 25) and wheeled to a convenient location.
Description
LIFTING DEVICE
This invention relates to a lifting device for lifting heavy articles such as the components of beehives, aircraft wheels and persons.
Beehives generally comprise a brood box having opposite side and end walls and open top and bottom walls. The brood box is placed on a floor member of the beehive in such a way in which to allow bees into the brood box from below. The brood box contains removable frames of comb and its main nest or colony in which the queen bee resides, lays eggs and raises the brood of bees.
A so-called super is mounted on top of the brood box, the super also having opposite side and end walls and open top and bottom walls. Generally the super is shallower than the brood box and is separated therefrom by a mesh which is sized to prevent the queen bee from moving upwardly out of the brood box into the super, where the surplus honey is stored. One or more supers can be stacked on the brood box and a cover board is then mounted on top of the upper most super.
In use honey is harvested by removing the or each super in turn and extracting the honey from the combs inside, for example by spinning the cones. If there is more than one super it is sometime necessary to re-arrange the position of a super in the stack.
It will be appreciated that supers are very heavy when full of honey and can weigh as much as 20kg. Typically the supers are removed by hand, which is a two-handed operation and can leave the beekeeper vulnerable to bee stings if their protective clothing becomes ruffled during the process.
Aircraft tyres are very heavy and this can make it difficult to remove and fit the wheels and to transport them to other areas for storage or maintenance. Typically, such procedures are carried out by hand but it will be appreciated that this is difficult and potentially injurious.
I have now devised a lifting device which alleviates the above-mentioned problems.
In accordance with the present invention, there is provided a lifting device comprising a wheeled body having an upstanding frame and a depending jaw member mounted
to the frame and arranged to be actuated to grip an article between the jaw member and an opposing formation on the body, and a handle on the body for guiding the device.
In use the device can be positioned over a beehive, aircraft wheel or other heavy article and the jaw member actuated so that the object is gripped on opposite sides between the jaw member and the opposing formation. The article can then be lifted by raising the handle and wheeled to a convenient location.
In this manner the weight of the article is borne by the device and the risk of injury is avoided. Also, in the case of beehive components, the device acts to distance the beekeeper from the hive and hence the risk of bee stings is avoided.
Preferably the handle is arranged to actuate the jaw member.
Preferably the jaw member is pivoted to the frame.
Preferably the body of the device comprises a pair of depending jaw members between which the article is gripped.
Preferably the jaw members depend from an arm, the arm preferably being pivotally connected to the frame at a point intermediate the jaws.
Preferably means are provided for locking the position of the arm relative to the frame. In use, the arm is able to freely pivot during loading and unloading. During transportation, the locking means can be actuated to set the angle at which the article is carried.
Preferably the or each jaw members is adjustable in length. Preferably the actuable jaw member is pivotable relative to the frame and comprises an actuator which forms part of the handle.
Preferably the actuable jaw member is pivotably connected to the arm, the arm preferably comprising an outwardly-extending extension which forms another part of
the handle against which the actuator can be urged to grip the article whilst simultaneously guiding the device to the desired location.
Preferably the device comprises a single pair of wheels arranged for rotation about a common axis, the frame comprising an upright portion which extends upwardly from a point intermediate of the wheels and a cranked portion which extends outwardly from the upper end of the upright portion in a direction perpendicular to the axis of wheel rotation.
Preferably the upright portion is adjustable in length.
Preferably the actuable jaw member is supported by the cranked portion.
The device may be adapted to grip the article in such a way as to allow rotation of the article relative to the device. Such an arrangement is advantageous for lifting aircraft wheels since it allows the wheel to be rotated.
Preferably the device comprises means for rotating the article when gripped between the jaw member and the opposing formation.
An embodiment of the present invention will now be described by way of examples only and with reference to the accompanying drawings, in which:
Figure 1 is a side view of an embodiment of lifting device in accordance with the present invention for lifting components of beehives; and
Figure 2 is a side view of an embodiment of lifting device in accordance with the present invention for lifting wheels.
Referring to Figure 1 of the drawings, there is an embodiment of device 10 in accordance with the present invention for lifting a super 11 off the brood box 12 of a beehive. The device 10 comprises a pair of wheels 13 mounted at opposite ends of an axle 14. The device 10 comprises a frame 15 having an elongate upright portion 16 which extends upwardly from a point intermediate opposite ends of the axle 14. The frame 15 further comprises a cranked portion 17 which extends outwardly from
the upper end of the upright portion 16 in a direction which extends perpendicular to the axis of wheel rotation. The upright portion 16 is telescopically adjustable in length and comprises a locking member 18 which can be operated to set the length.
A support leg 19 extends downwardly from the cranked portion 17 of the frame 15 intermediate at opposite ends thereof. The lower end of the leg 19 is pivotally connected to a support arm 20 at a point intermediate opposite ends thereof.
Inner and outer elongate jaw members 21 , 22 extend downwardly from respective opposite ends of the support arm 20. Each jaw member 21 , 22 is telescopically adjustable in length and comprises a locking member 23 which can be independently operated to set the length. An elongate actuator 24 extends perpendicularly outwardly from the upper end of the outer jaw member 22 above the point at which it is pivoted to the arm 20. An elongate handle 25 extends co-axially outwardly from the outer end of the arm 22 at a point lying below the actuator 24.
The outer end of the arm 20 is connected to the outer end of the cranked portion 17 of the frame 15 by an adjustable brace 26, which can be set to vary the attitude of the arm 20 by means of a locking member 27 on the cranked portion 17 of the frame that engages the brace 26 at a selected position along the length thereof.
The jaw members 21 , 22 comprise respective fingers 28 at their lower ends which are directed towards each other and which are arranged to engage into formations 29 on opposite sides of the super 11 or underneath the super.
In use, the device 10 is positioned over the beehive such that the jaw members 21 , 22 are positioned on opposite sides thereof. The length of the jaw members 21 , 22 and the length of the upright portion 16 of the frame 15 can be adjusted to suit the depth of the super. The jaw members 21 , 22 can then be engaged with the super by pivoting the actuator 24 downwardly in direction A to cause the outer jaw member 22 to pivot towards the inner jaw member 21 thereby gripping the super 1 1. The beekeeper can then grasp the handle 25 and actuator 24 in one hand, thereby urging them together and maintaining the grip on the super 1 1. Once the super 11 is securely gripped, the handle 25 and actuator 24 can be lifted upwardly in direction B causing the frame 15 of device 10 to pivot relative to the wheels 13, such that the
super 1 1 is lifted off the brood box 12. The device 10 can then be wheeled to a convenient location, whereupon the actuator 24 can be released to release the super 1 1 from the device 10.
In an alternative embodiment the spacing of the jaw members 21 , 22 can be adjusted to suit different widths of beehive.
Referring to Figure 2 of the drawings, there is shown an alternative embodiment of device 10 in accordance with the present invention for lifting an aircraft wheel 50. The device is similar in construction to the device of Figure 1 and like parts are given like reference numerals. In this embodiment the jaw members 21 ,22 carry respective opposed rollers 54,52, which rotate about respective axes extending longitudinally of the jaw members 21 ,22. One of the rollers 52 comprises logititudinal ribs and a handle 53 is provided for rotating the roller 52 about its axis via a ratchet mechanism. The lower end of the jaw 21 is turned inwardly and carries a roller 51.
In use the upper portion of the tyre of the wheel 50 is gripped between the jaw members 21 ,22 and the roller 51 extends into the hub of the wheel 50 and seats against the inner circumferential face thereof, thereby keeping the wheel 50 in-situ between the jaws 21 ,22. Once the wheel 50 is securely gripped, the handle 25 and actuator 24 can be lifted upwardly in direction B causing the frame 15 of device 10 to pivot relative to the wheels 13, such that the wheel 50 is lifted upwardly. The device 10 can then be wheeled to a convenient location, whereupon the actuator 24 can be released to release the wheel 50 from the device 10.
The handle 53 can be actuated to turn the roller 52 which in turn causes the wheel 50 to rotate about its axis for insprection or for aligning the wheel with mounting studs on an aircraft bogie.
A lifting device in accordance with the present invention is simple and inexpensive in construction yet allows heavy articles to be lifted safely without the risk of back injury.
Claims
1. A lifting device comprising a wheeled body having an upstanding frame and a depending jaw member mounted to the frame and arranged to be actuated to grip an article between the jaw member and an opposing formation on the body, and a handle on the body for guiding the device.
2. A lifting device as claimed in claim 1 , in which the handle is arranged to actuate the jaw member.
3. A lifting device as claimed in claims 1 or 2, in which the jaw member is pivoted to the frame.
4. A lifting device as claimed in any preceding claim, in which the body of the device comprises a pair of depending jaw members between which the article is gripped.
5. A lifting device as claimed in claim 4, in which the jaw members depend from an arm of the body.
6. A lifting device as claimed in claim 5, in which the arm is pivotally connected to the frame at a point intermediate the jaws.
7. A lifting device as claimed in claim 6, in which means are provided for locking the position of the arm relative to the frame so that the angle at which the article is carried can be adjusted.
8. A lifting device as claimed in any preceding claim, in which the or each jaw members is adjustable in length.
9. A lifting device as claimed in any preceding claim, in which the actuable jaw member is pivotable relative to the frame and comprises an actuator which forms part of the handle.
10. A lifting device as claimed in claim 9 as appended to claim 5, in which the actuable jaw member is pivotably connected to the arm.
1 1. A lifting device as claimed in claim 10, in which the arm comprises an outwardly-extending extension which forms another part of the handle against which the actuator can be urged.
12. A lifting device as claimed in any preceding claim, in which the device comprises a single pair of wheels arranged for rotation about a common axis, the frame comprising an upright portion which extends upwardly from a point intermediate of the wheels and a cranked portion which extends outwardly from the upper end of the upright portion in a direction perpendicular to the axis of wheel rotation.
13. A lifting device as claimed in claim 12, in which the upright portion is adjustable in length.
14. A lifting device as claimed in claim 12 or claim 13, in which the actuable jaw member is supported by the cranked portion.
15. A lifting device as claimed in any preceding claim, in which the device may be adapted to grip the article in such a way as to allow rotation of the article relative to the device.
16. A lifting device as claimed in claim 15, in which the device comprises means for rotating the article when gripped between the jaw member and the opposing formation.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0904776.2 | 2009-03-20 | ||
GB0904776A GB2464568A (en) | 2008-10-22 | 2009-03-20 | Lifting device |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2010106373A1 true WO2010106373A1 (en) | 2010-09-23 |
Family
ID=42226584
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/GB2010/050470 WO2010106373A1 (en) | 2009-03-20 | 2010-03-19 | Lifting device |
Country Status (1)
Country | Link |
---|---|
WO (1) | WO2010106373A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU182674U1 (en) * | 2018-02-12 | 2018-08-28 | Сергей Юрьевич Лихолетов | Mobile hoisting and retracting device for servicing multihull hives |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB111927A (en) * | 1916-12-27 | 1917-12-20 | British Dyes Ltd | A Two Wheeled Hand Propelled Vehicle to Carry Two Carboys, Kegs, or the like. |
US2729351A (en) * | 1952-01-25 | 1956-01-03 | F J Mccarthy Inc | Mold barrow |
WO1984001548A1 (en) * | 1982-10-08 | 1984-04-26 | Fokko Prins | A wheel barrow |
EP0174023A2 (en) * | 1984-09-06 | 1986-03-12 | Bernhard Jakel | Wheeled apparatus |
AU6912087A (en) * | 1986-04-03 | 1987-10-08 | Marotta, B. | Garbage bin carrier |
JP2005199836A (en) * | 2004-01-15 | 2005-07-28 | Neotec Kk | Container carrying vehicle |
-
2010
- 2010-03-19 WO PCT/GB2010/050470 patent/WO2010106373A1/en active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB111927A (en) * | 1916-12-27 | 1917-12-20 | British Dyes Ltd | A Two Wheeled Hand Propelled Vehicle to Carry Two Carboys, Kegs, or the like. |
US2729351A (en) * | 1952-01-25 | 1956-01-03 | F J Mccarthy Inc | Mold barrow |
WO1984001548A1 (en) * | 1982-10-08 | 1984-04-26 | Fokko Prins | A wheel barrow |
EP0174023A2 (en) * | 1984-09-06 | 1986-03-12 | Bernhard Jakel | Wheeled apparatus |
AU6912087A (en) * | 1986-04-03 | 1987-10-08 | Marotta, B. | Garbage bin carrier |
JP2005199836A (en) * | 2004-01-15 | 2005-07-28 | Neotec Kk | Container carrying vehicle |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU182674U1 (en) * | 2018-02-12 | 2018-08-28 | Сергей Юрьевич Лихолетов | Mobile hoisting and retracting device for servicing multihull hives |
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