EP1725204A1 - Leve-personne - Google Patents
Leve-personneInfo
- Publication number
- EP1725204A1 EP1725204A1 EP05708441A EP05708441A EP1725204A1 EP 1725204 A1 EP1725204 A1 EP 1725204A1 EP 05708441 A EP05708441 A EP 05708441A EP 05708441 A EP05708441 A EP 05708441A EP 1725204 A1 EP1725204 A1 EP 1725204A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- hoist
- hoist according
- housing
- emitting means
- aperture
- 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- Withdrawn
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
- A61G7/10—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
- A61G7/104—Devices carried or supported by
- A61G7/1042—Rail systems
-
- 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
- B66D3/24—Applications of limit switches
Definitions
- This invention relates to a hoist for lifting a patient.
- An example of such a hoist has a housing with a winding mechanism mounted therein and arranged to wind up a length of tape around a spool of the mechanism when a motor associated with the winding mechanism is operated by an operator.
- the hoist is suspended from the tape by attaching its free end, which is that end remote from the hoist, from the ceiling or from structure attached to the ceiling.
- the housing of the hoist is provided with patient supporting apparatus such as fixed arms projecting therefrom and arranged to bear the weight of a patient.
- a hoist for lifting a patient having a housing with a winding mechanism therein arranged to receive a first end of an elongate flexible tensile member and to wind up that member from that end, wherein the hoist includes emitting means positioned adjacent and fixed relative to the member and arranged to emit a signal, and sensing means positioned adjacent the housing and operable to sense the signal emitted by the emitting means when the emitting means is adjacent the sensing means, the hoist being operable to cease winding the member in response to the sensing means sensing that the emitting means is adjacent thereto.
- the winding mechanism may include a rotatable shaft member to which the first end of the elongate member can be releasably anchored.
- a hoist for lifting a patient having a housing with a winding mechanism therein arranged to receive a first end of an elongate flexible tensile member and to wind up that member from that end, wherein the winding mechanism includes a rotatable shaft member to which that end can be releasably anchored.
- a shaft being of smaller external diameter than a spool or mandrel fitted onto that shaft, can more compactly receive a length of the elongate member wound thereon.
- the size of the housing need not be as large as would be necessary were a spool or mandrel used and the elongate flexible member wound thereon.
- the hoist of the other aspect may further include emitting means positioned on and fixed relative to the member and arranged to emit a signal, and sensing means positioned adjacent the housing and operable to sense the signal emitted by the emitting means when the emitting means is adjacent the sensing means, the hoist being operable to cease winding the member in response to the sensing means sensing that the emitting means is adjacent thereto.
- the emitting means may be arranged to emit a magnetic and/or an electromagnetic signal.
- the emitting means may be a magnet, such as a permanent magnet.
- the emitting means may be secured to the elongate member by, for example, an adhesive or by placing the emitting means in a pocket at least partly defined by material of the elongate member.
- the emitting means may be sewn into a pocket at least partly defined by material of the elongate member.
- the elongate may be a web of material and preferably is a web of woven material such as, for example, polyester or polypropylene.
- the emitting means is positioned adjacent the other end of the elongate member and may be positioned on that other end.
- the sensing means may include means for sensing a magnetic field.
- the sensing means may be a magnetic proximity switch, such as a reed switch.
- the sensing means is positioned on the housing, and may be positioned adjacent to an aperture in the housing through which the elongate member passes.
- the shaft may include an aperture therethrough and the elongate member may be anchored to the shaft such that it passes through the aperture.
- the first end of the elongate member may be arranged to prevent it from passing through the aperture.
- the first end of the elongate member may have fixed thereto structure that is dimensioned so as not to be able to fit through the aperture.
- the first end of the elongate member may pass around pin structure that is dimensioned so as not to be able to fit through the aperture.
- the first end of the member may pass around the pin structure in a loop.
- the loop may be formed by the first end of member being fixed to material of the member adjacent the first end.
- the aperture may be arranged such that the pin structure, with the first end of the elongate member therearound, can pass at least partly into the aperture. This may be by one opening of the aperture being larger than the other opening thereof.
- the aperture may be arranged such that the pin structure is located in the aperture when the flexible member is under tension.
- the location may include axial location with respect to the axis of the pin, which may also be axial location with respect to the axis of the shaft.
- the location may include radial location with respect to the shaft.
- One or both openings of the aperture may be substantially rectangular, one being of greater length and/or width than the other.
- the larger rectangle may be sized to accept therethrough the looped end of the flexible member with the pin therethrough.
- the hoist may include arms for bearing the weight of the patient.
- the arms may have patient-supporting slings suspended therefrom.
- the arms may be pivotable relative to the housing between a projecting position in which they project from the housing for bearing the weight of the patient and a stored position in which they lie adjacent the housing.
- Figure 1 is a perspective view of the hoist from above;
- Figure 2 is a perspective view of the hoist from below;
- Figure 3 is an end elevation view of the hoist
- Figure 4 is a sectional view of a shaft of the hoist.
- Figure 5 is a perspective view of the shaft with tape therethrough.
- the hoist 10 includes a mild steel, box section, housing 20.
- the housing 20 is arranged such that it has two open and laterally projecting ends 22. All the other faces of the housing 20 are closed.
- the underside face of the housing 20 has a motor drive assembly 30 fitted thereto.
- the motor drive assembly 30 includes an electric motor 32 coupled to a reduction worm-gear assembly 34. This is also shown on Figure 2.
- Batteries are provided in banks 25 running along the outside of the housing 20.
- An output shaft (not shown) from the centre of the output gear of the worm gear assembly 34 is rotatably mounted in the housing 20 so as to extend from the worm gear assembly 34, through the underside face of the housing 20 and up through the interior of the housing 20.
- the portion of the output shaft that passes through the interior of the housing 20 has another worm gear (not shown) formed therearound.
- This worm gear is for driving a winding mechanism 40 of the hoist 10, that winding mechanism 40 being mounted within the housing and arranged as follows.
- the winding mechanism 40 is comprised of two main components.
- the first of these components is a shaft 50 that is rotatably and transversely mounted in the housing 20.
- the shaft 50 is fashioned from mild steel and has a larger diameter portion 52 and a smaller diameter portion 54, the two portions 52,54 being axially juxtaposed.
- the second main component of the winding mechanism 40 is a gear wheel 60.
- the gear wheel 60 is fixedly mounted on the larger diameter portion of the shaft 50. This mounting is by way of a securing pin (not shown) being placed through the gear wheel 60 and through an aperture in the shaft 50, the aperture being shown at 53 in Figure 4 only.
- the smaller diameter portion 54 of the shaft 50 is for receiving supporting fabric tape 70 by which the hoist 10 is suspended.
- the smaller diameter portion 54 of the shaft 50 has an aperture 56 formed radially therethrough.
- the aperture 54 is shaped to allow the tape 70, which is generally flat and wide, to pass radially therethrough.
- the aperture 56 has a generally rectangular cross section that extends sideways, in the direction of the axis of the shaft 50.
- the aperture 56 is not of constant cross section.
- a shoulder 58 is provided half way through the aperture 56 such that one entrance 56a to the aperture 56 is of greater width and height than the other entrance 56b.
- an end 72 of the tape 70 that is for securing to the shaft 50 is folded over and attached to material of the tape 70 adjacent that end 72 to form a loop. It is envisaged that the attachment of the end 72 of the tape 70 is by sewing.
- the looped end 72 of the tape extends through the aperture 56 in the shaft 50 from the smaller entrance 56b thereof to emerge from the larger entrance 56a.
- a securing pin 80 is positioned in the looped end 72 of the tape so that ends of the pin 80 project slightly to each side of the looped end 72.
- the tape 70 is show to be slack and not to pull on the shaft 50.
- the tape 70 is under tension and pulls on the shaft 50.
- the tape 70 tries to pull its looped end 72, with the pin 80 therethrough, through the aperture 56 from the larger entrance 56a towards the smaller entrance 56b.
- the pin 80 and the aperture 56 of the shaft 50 are dimensioned such that the pin is too large to pass through the smaller entrance 56b.
- the pin 90 abuts on the shoulder 58 of the aperture 56.
- the looped end 72 of the tape 70 is anchored to the shaft 50 by the pin 80 when the tape 70 is under tension.
- the remainder of the tape 70 extends from the shaft 50, over one or more transversely-extending guide bars 24 to emerge from the housing 20 of the hoist through a slot 26 formed in upper face of the housing 20.
- the slot 26 is shown in Figure 1, with the tape 70 emerging therefrom.
- a magnetic proximity sensor in the form of a reed switch 90 is positioned on the upper surface of the housing 20, next to the slot 26 formed therein.
- the reed switch 90 is electrically connected to circuitry that is operable to suspend operation of the electric motor 32 when the reed switch 90 is operated by the effect of an adjacent magnetic field.
- the end portion 74 of the tape 70 that is remote from the housing 20 of the hoist 10 is attached to a ceiling-mounted trolley (not shown) arranged to run in tracks across a ceiling.
- This remote end 74 of the tape 70 has a permanent magnet 92 attached to it.
- the permanent magnet 92 is sewn into a pocket 94 created by looping over the remote end portion 74 of the tape 70.
- a patient (not shown) to be lifted by the hoist 10 is suspended from the housing 20 by any means suitable for such a purpose.
- housing 20 be provided with a pair of projecting arms from which slings depend that are arranged to be passed around the body of the patient for taking that patient's weight.
- the hoist 10 is then operated by supplying electrical power to the electric motor 32 from the banks of batteries 25.
- the motor 32 drives the reduction worm gear assembly 34, which in turn drives the winding mechanism 40 by rotating the gear wheel 60 thereof.
- the gear wheel 60 being mounted about the shaft 50, then causes that shaft 50 to rotate. Rotation of the shaft 50 winds up the tape 70 from the looped end 72 and causes the housing 20 to rise up the suspended tape 70.
Landscapes
- Health & Medical Sciences (AREA)
- Nursing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Invalid Beds And Related Equipment (AREA)
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0404803A GB0404803D0 (en) | 2004-03-03 | 2004-03-03 | A hoist |
PCT/GB2005/000666 WO2005084602A1 (fr) | 2004-03-03 | 2005-02-23 | Leve-personne |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1725204A1 true EP1725204A1 (fr) | 2006-11-29 |
Family
ID=32088653
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05708441A Withdrawn EP1725204A1 (fr) | 2004-03-03 | 2005-02-23 | Leve-personne |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1725204A1 (fr) |
GB (1) | GB0404803D0 (fr) |
WO (1) | WO2005084602A1 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2431631A (en) * | 2005-10-25 | 2007-05-02 | Proto Magic Innovations Ltd | Invalid hoist |
US20140259391A1 (en) * | 2013-03-14 | 2014-09-18 | Liko Research & Development Ab | Split drum for lift strap in ceiling lift |
EP3329893B1 (fr) | 2016-12-01 | 2020-09-23 | Liko Research & Development AB | Barrières de rails de levage |
EP3636238B1 (fr) | 2018-10-12 | 2021-04-28 | Liko Research & Development AB | Barrières comportant des rampes de transition pour rails de levage |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3565402A (en) * | 1969-07-17 | 1971-02-23 | Breeze Corp | Proximity sensing device |
DE29707130U1 (de) * | 1997-04-21 | 1997-07-24 | Hoyer GmbH, 35510 Butzbach | Schalteranordnung für eine Hebevorrichtung für körperbehinderte Personen |
DK174766B1 (da) * | 2001-04-30 | 2003-10-27 | Guldmann V As | Fremgangsmåde til drift af et hejseapparat samt et hejseapparat. |
-
2004
- 2004-03-03 GB GB0404803A patent/GB0404803D0/en not_active Ceased
-
2005
- 2005-02-23 WO PCT/GB2005/000666 patent/WO2005084602A1/fr active Application Filing
- 2005-02-23 EP EP05708441A patent/EP1725204A1/fr not_active Withdrawn
Non-Patent Citations (1)
Title |
---|
See references of WO2005084602A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2005084602A1 (fr) | 2005-09-15 |
GB0404803D0 (en) | 2004-04-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20061003 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR |
|
DAX | Request for extension of the european patent (deleted) | ||
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: BCOMP 315 LIMITED |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: CHILTERN INVADEX LIMITED |
|
17Q | First examination report despatched |
Effective date: 20100224 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20100707 |