EP0945115A2 - Appareil de levage - Google Patents

Appareil de levage Download PDF

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Publication number
EP0945115A2
EP0945115A2 EP98112409A EP98112409A EP0945115A2 EP 0945115 A2 EP0945115 A2 EP 0945115A2 EP 98112409 A EP98112409 A EP 98112409A EP 98112409 A EP98112409 A EP 98112409A EP 0945115 A2 EP0945115 A2 EP 0945115A2
Authority
EP
European Patent Office
Prior art keywords
housing
actuator
movement
bather
bath
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Withdrawn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
EP98112409A
Other languages
German (de)
English (en)
Other versions
EP0945115A3 (fr
Inventor
Roy Littlemarsh Semington Trowbridge McDINE
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.)
Arjo IP Holding AB
Original Assignee
Parker Bath 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 Parker Bath Ltd filed Critical Parker Bath Ltd
Publication of EP0945115A2 publication Critical patent/EP0945115A2/fr
Publication of EP0945115A3 publication Critical patent/EP0945115A3/fr
Withdrawn legal-status Critical Current

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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
    • A61G7/1001—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto specially adapted for specific applications
    • A61G7/1003—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto specially adapted for specific applications mounted on or in combination with a bath-tub
    • 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
    • A61G7/1013—Lifting of patients by
    • A61G7/1019—Vertical extending columns or mechanisms
    • 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
    • A61G7/1044—Stationary fixed means, e.g. fixed to a surface or bed
    • 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
    • A61G7/1049—Attachment, suspending or supporting means for patients
    • A61G7/1059—Seats
    • 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
    • A61G7/1073—Parts, details or accessories
    • A61G7/1076—Means for rotating around a vertical axis
    • 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
    • A61G7/1073—Parts, details or accessories
    • A61G7/1082—Rests specially adapted for
    • A61G7/1092—Rests specially adapted for the arms
    • 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
    • A61G2203/00—General characteristics of devices
    • A61G2203/70—General characteristics of devices with special adaptations, e.g. for safety or comfort
    • A61G2203/72—General characteristics of devices with special adaptations, e.g. for safety or comfort for collision prevention

Definitions

  • This invention relates to lifting apparatus for a person.
  • the apparatus has been devised for the purpose of lifting a person to assist the person into and out of a bath tub: such assistance may be required if the person wishing to bathe has a physical disability or for some other reason is unable to enter and leave the bath tub by the usual method of stepping over a side thereof.
  • the person-supporting means may be a seat so that a person can sit thereon outside the bath, be lifted, moved above the bath and lowered into the bath, and when bathing is completed lifted out of the bath and returned to, e.g., a wheelchair standing alongside the bath.
  • the seat must, of course, be unaffected by being immersed in water in the bath.
  • the lilting means is in the form of a pillar or column which is supported at its lower end on the floor surface adjacent the bath and comprises first and second parts relatively moveable telescopically. One part is fixed and the other carries the person-supporting means. A, suitable actuator for causing raising or lowering movement of the second pall relative to the first part is provided. Whilst this arrangement of apparatus is compact and, if suitably designed, can be neat in appearance, those examples of such apparatus known hitherto have been expensive and complex in their construction. Thus while they have been suitable for installation in institutions they have not in general been appropriate for domestic installation.
  • apparatus for assisting a bather into and out of a bath comprising:
  • said support means for a bather is a seat disposed alongside said housing and at least partly extending downwardly therefrom, so as to be able to be lowered into the bath and raised therefrom.
  • the housing contains at least the drive motor of the actuator and serves as a load-carrying structural item. This enables a great simplification in construction of the apparatus to be achieved, as compared with those generally known hitherto.
  • the housing is a casting, and comprises two parts which together define an internal space in which at least the drive motor of the actuator is accommodated, and which are able to receive same and be fitted together to constrain the actuator in force-transmitting relationship therewith.
  • the drive motor of the actuator is an electric motor operable from a low-voltage power source, namely a battery pack, and the housing also accommodates such a battery pack.
  • a low voltage, battery powered, actuator is, of course, desirable for safety in a piece of apparatus which operates in the vicinity of water, and is virtually guaranteed to receive water splashes in use and be subject to a damp atmosphere.
  • the translatory movement of the bather-supporting means is arcuate, provided by angular movement of the housing about an upwardly extending axis of the lifting pillar.
  • angular movement can take place only when the second part of the lifting pillar has been raised to or approaching its maximum height relative to the first part of the lifting pillar.
  • first part of the lifting pillar within which the second part is telescopically accommodated, with an internal shape which includes circumferentially spaced part-cylindrical portions for guidance of the second part and, between said part-cylindrical portions, outwardly extending locating portions with which a locating member of the second part engages, the first part having, towards its upper end, an internally enlarged portion which, when it is entered by the locating member, permits rotational movement of the second part within the first part.
  • the first part of the lifting pillar is an aluminium alloy extrusion.
  • the actuator part accommodated by the housing may be supported therein for limited upwards and downwards movement relative thereto, and there may be provided means for detecting any such movement of the actuator from its normal position when the apparatus is normally loaded. Particularly, if any obstruction is encountered when the housing is in the course of being lowered, which implies the danger of some person or thing being trapped beneath the seat of the apparatus, such movement may be detected and operate to cause the downward movement to cease. Such detection may be provided by a micro-switch engaged or engagable by the actuator.
  • the person-supporting means of the apparatus preferably is a seat, which conveniently is a tubular frame structure covered with and protected by a plastics, e.g. polyurethane, foam material with a waterproof skin or cover.
  • a plastics e.g. polyurethane, foam material with a waterproof skin or cover.
  • FIGS. 1 and 2 of the drawings show, diagrammatically, apparatus in accordance with the invention disposed in relation to a bath.
  • the bath indicated in outline at 10, is a conventional bath such as might be installed in a private dwelling, and comprises a tub portion 11 which is an upwardly facing concavity with, a base 12, relatively upright side walls 13, 14 and an end wall 15, and a more inclined and curved end wall 16.
  • a base 12 relatively upright side walls 13, 14 and an end wall 15, and a more inclined and curved end wall 16.
  • Around its top it has a peripheral flange 17 which in plan view is rectangular.
  • the bath is supported on a floor surface by supports, as indicated at 18.
  • An apparatus in accordance with the invention is disposed in association with the bath, the apparatus comprising the principal components of a base indicated generally at 20, a lifting pillar or column 21 extending upwardly therefrom, a housing 22 at the top of the pillar 21, and a support means for a bather, namely a seat, 23 carried by the housing 22.
  • the base 20 comprises a base casting 25 which extends transversely beneath the head end of the bath 10 i.e. the end which has the inclined and curved end wall 16), and is adapted to be held down to the floor surface by suitable fastenings extending through formations as indicated at 26 in the base casting.
  • Two tubular outriggers 27 extend from the base casting 25 lengthwise beneath the bath and these engage outrigger floor plates 28 which are secured to the floor surface beneath the bath.
  • the base casting 25 is firmly secured to the floor in the vicinity of the bath and is well able to withstand loads likely to be imposed in use as described hereafter.
  • the base casting may also be secured to adjacent walls by brackets and fastenings as indicated at 29.
  • the base casting 25 has an upstanding collar 30 which supports the lifting pillar 21.
  • the top of the lifting column extends through an aperture in the flange 17 of the bath.
  • the construction of the lifting pillar 21 will be described in greater detail hereafter, but in broad terms it comprises an outer column element 31, and an inner column element 32 which is telescopically movable upwardly and downwardly within the outer column 31.
  • the inner column 32 is a tubular steel member with a hard-chromed external bearing surface, and at its upper end the inner column 32 is friction welded to a carrier flange 33.
  • the carrier flange 33 carries the housing 22.
  • the housing 22 comprises a main part 34 and a seat-supporting part extending upwardly therefrom 35.
  • the housing is hollow and comprises two cast-aluminium halves which fit together facing one another at a joint line which extends vertically substantially in or parallel to the section which is Figure 3 of the drawings.
  • the two halves of the housing are held together by elongate threaded fasteners extending transversely therethrough as indicated at 36.
  • Within the part 34 of the housing there is defined an internal space which accommodates an electric drive motor casing 37 of an actuator described in greater detail hereafter, and also accommodates a removable re-chargeable battery pack 38.
  • the battery pack 38 is able to be withdrawn vertically from the part 34 of the housing 22, having a handle 39 for this purpose and also one part of a plug and socket connector which establishes electrical connections with the battery pack when the latter is fitted into the housing. Also visible on the housing part 34 is a cushion member 40 on the exterior thereof.
  • the upwardly extending seat-supporting part 35 of the housing 22 is also hollow, with internal reinforcing webs 41.
  • Two relatively large apertures 42 extend transversely through the part 35, for receiving the end parts of horizontally extending transverse supporting bars 49 which carry the seat 23.
  • a quick-release mechanism for the seat may be provided, to enable it readily to be removed and replaced if the bath is required sometimes to be used by bathers who do not have access problems.
  • the seat 23 comprises a backrest part 43 and a base cushion part 44, and are of foamed plastics material with a waterproof skin or covering, candied by a welded tubular steel supporting structure.
  • tubes of such supporting structure of the backrest part 43 and cushion part 44 are indicated at 45, 46, respectively, and such tubes are provided with respective arcuate flanges at their adjacent ends, which flanges are pivoted together at a pivot 47 so that the cushion part 44 is able to be pivoted upwardly to lie substantially parallel to the backrest part 43.
  • the limiting lower position of such pivoting movement of the cushion part 44 is illustrated in Figure 3, wherein the tubes 45, 46 abut one another to provide a stop.
  • the seat further has one or more arm rests 48, pivoted to the backrest part 43.
  • the outer column 31 is an elongate extrusion of an aluminium alloy and its cross-sectional shape is shown in Figure 4.
  • its external shape is substantially square with rounded corners and its internal shape comprises four arcuate pails 50 of a circle, between which there are four outwardly extending recesses 52, in cruciform disposition relative to one another.
  • the outer column 31 fits in the collar 30 of the base casting being located therein by an alignment bush 53 and retained by grub screws 54.
  • the outer column 31 is counterbored as indicated at 55, and a bearing sleeve 56 having a part 57 which extends downwardly within the counterbore 55 fits on top of the outer column 31.
  • the sleeve 56 is of a suitable plastics material to provide a good bearing surface for engagement by the inner column 32.
  • the outer column 31 extends through a bath flange bush 60 bolted to the upper surface of the peripheral flange 17 of the bath and which extends around the aperture in the flange through which the top of the column extends.
  • the inner column 32 carries a glide bush 58, retained by a retaining ring 59 held to the inner column by four Allen cap screws 66.
  • the heads of the screws 66 engage in the recesses 52, while the glide collar 58 runs against the arcuate parts 50 of the internal profile of the outer column.
  • the inner column 32 is supported by the outer column 31 for vertical sliding movement relative thereto, relative angular movement about the vertical axis of the column not being possible as long as the screw heads 66 engage the cruciform recess parts 52 within the outer column.
  • the inner column has been raised relative to the outer column to a position in which the heads of the screws 66 enter the counterbore 55 at the top of the outer column, such relative angular movement is possible.
  • the glide collar 58 still engages the arcuate surface parts 50 within the outer column 31, so that the inner column 32 is maintained in coaxial alignment with the outer column.
  • the inner column is able to move downwardly within the outer column at any selected one of four angular positions at 90° displacements from one another, and one of such positions will be required to position the seat 23 above the head end of the bath as shown in plan view in Figure 1, while another position at 90° to the first said position disposes the seat above the floor surface adjacent the head end of the bath.
  • the actuator For moving the inner column upwardly and downwardly relative to the outer column there is the actuator whose motor casing is indicated at 37.
  • the actuator is a screw type of actuator with a tubular body 61 extending downwardly from the motor casing 37 and from the lower end of the body 61 an output element 62 extends.
  • the motor 37 of the actuator When the motor 37 of the actuator is operated, and the element 62 is prevented from rotating, the latter is driven downwardly out of the tubular body 61 or retracted upwardly into it, depending on the direction in which the motor is operated.
  • the tubular body 61 is supported centrally within the inner column 32 by a guide sleeve 63.
  • the output element 62 of the actuator extends downwardly to enter a boss 65 upstanding from the bottom of the base casting 25 within the collar 30 thereof.
  • the output element 62 is held by a transverse roll pin 66.
  • the motor casing 37 of the actuator is in vertical force-transmitting relation with the housing part 34, a pin 68 extending transversely across the housing and through a vertically elongated slot in a lug 69 at the upper end of the motor casing 37.
  • a micro-switch 70 disposed within the housing 34 is responsive to the small amount of vertical movement which the motor 37 can undergo within the housing part 34, and provides a load-sensing device which is able to detect when the motor casing 37 of the actuator no longer bears the weight of the housing, seat and the bather who might be carried thereby. This enables detection of any obstruction encountered by the housing, seat, or bather during the lowering thereof, and may operate to cause cessation of such lowering as a safety feature in case any part of the bather becomes trapped or some other obstruction is encountered.
  • a control panel 75 For controlling operation of the actuator of the apparatus to effect lifting and lowering as required, a control panel 75 is provided, having suitable manually operable switches for this purpose. As illustrated in Figure 2, the control panel 75 is at the end of a flexible electrical cable 76 and in Figure 2 the control panel is secured at a convenient position at one side of the part 35 of the housing 22. There may be cooperating clips or the like for holding the control panel in such position, a magnetic holding device, or other means such as a suction cup or cups. When in use, the control panel may be positioned on the bath or elsewhere, to be readily operable by the bather or a helper.

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)
  • Devices For Medical Bathing And Washing (AREA)
EP98112409A 1998-03-27 1998-07-03 Appareil de levage Withdrawn EP0945115A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9806553 1998-03-27
GB9806553A GB2335595B (en) 1998-03-27 1998-03-27 Apparatus for lifting a bather into and out of a bath

Publications (2)

Publication Number Publication Date
EP0945115A2 true EP0945115A2 (fr) 1999-09-29
EP0945115A3 EP0945115A3 (fr) 2000-02-23

Family

ID=10829353

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98112409A Withdrawn EP0945115A3 (fr) 1998-03-27 1998-07-03 Appareil de levage

Country Status (2)

Country Link
EP (1) EP0945115A3 (fr)
GB (1) GB2335595B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1138303A2 (fr) * 2000-03-22 2001-10-04 Huntleigh Technology Plc Baignoire avec élévateur

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1460188A (en) * 1973-07-31 1976-12-31 Hydraul Verken Ab Lifting device for lifting and moving an object
EP0198946A2 (fr) * 1985-04-26 1986-10-29 Arjo Hospital Equipment Ab Dispositif d'interruption du mouvement de descente pour mécanisme de levage d'appareils de levage pour malades
FR2634647A1 (fr) * 1988-07-08 1990-02-02 Boublil David Siege d'acces baignoire pour le bain
GB2237988A (en) * 1989-11-17 1991-05-22 Arjo Mecanaids Appartus for assisting physically disabled persons into and out of a bath

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2123285A (en) * 1982-07-13 1984-02-01 Frederick Alan Fearn Lifting apparatus
GB2131291A (en) * 1982-10-26 1984-06-20 David Edmund Talbot Garman Improvements in or relating to bath apparatus

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1460188A (en) * 1973-07-31 1976-12-31 Hydraul Verken Ab Lifting device for lifting and moving an object
EP0198946A2 (fr) * 1985-04-26 1986-10-29 Arjo Hospital Equipment Ab Dispositif d'interruption du mouvement de descente pour mécanisme de levage d'appareils de levage pour malades
FR2634647A1 (fr) * 1988-07-08 1990-02-02 Boublil David Siege d'acces baignoire pour le bain
GB2237988A (en) * 1989-11-17 1991-05-22 Arjo Mecanaids Appartus for assisting physically disabled persons into and out of a bath

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1138303A2 (fr) * 2000-03-22 2001-10-04 Huntleigh Technology Plc Baignoire avec élévateur
EP1138303A3 (fr) * 2000-03-22 2003-04-09 Huntleigh Technology Plc Baignoire avec élévateur

Also Published As

Publication number Publication date
GB9806553D0 (en) 1998-05-27
EP0945115A3 (fr) 2000-02-23
GB2335595B (en) 2002-08-21
GB2335595A (en) 1999-09-29

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