EP0622065B1 - Bathing aid - Google Patents

Bathing aid Download PDF

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Publication number
EP0622065B1
EP0622065B1 EP94106668A EP94106668A EP0622065B1 EP 0622065 B1 EP0622065 B1 EP 0622065B1 EP 94106668 A EP94106668 A EP 94106668A EP 94106668 A EP94106668 A EP 94106668A EP 0622065 B1 EP0622065 B1 EP 0622065B1
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EP
European Patent Office
Prior art keywords
hydraulic cylinder
bathing aid
aid device
seat
transversal beam
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.)
Expired - Lifetime
Application number
EP94106668A
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German (de)
French (fr)
Other versions
EP0622065A1 (en
Inventor
Robert Forwick
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.)
FEINWERKTECHNIK GMBH GEISING
Original Assignee
Feinwerktechnik Geising GmbH
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Publication of EP0622065A1 publication Critical patent/EP0622065A1/en
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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

Definitions

  • the invention relates to a bathing aid with a telescopic retractable, retractable and swiveling seat, after the Preamble of claim 1.
  • Such a bathing aid is disclosed in GB-A-2 123 285.
  • the bathing aid according to this state of the art allows one located, e.g. paraplegic person does not look with legs hanging over the edge of the bathtub without outside help to swing.
  • a bathing aid is known from EP-A-0 380 621, in which one rack that can be inserted into the bathtub with backward tilt towering hydraulic cylinders a seat attached hydraulically can be lowered and opened.
  • a seat provides for the disabled People a significant relief from taking a full bath especially since this seat extends to the bottom of the bathtub can lower.
  • Paraplegic it is impossible without outside help from the wheelchair driven next to the bathtub to the seat to get.
  • a bathing aid is already known from GB-A-2 120 933, in which the hydraulic frame at the head of the bathtub behind the bathtub is attached. With this frame is a lowering and opening the seat into the bathtub and also swiveling it out of the seat possible by 90 °, but then the seat can only be lowered to the edge of the bathtub.
  • the device takes up a lot of space and is very complex designed and constructed so that it is not in practice introduced.
  • the present invention is therefore based on the object Specify bathing aid, which is simple, a low Has space and is designed so that it is simple Such seats can easily be retracted and extended into the bathtub can and the seat also swung out of the bathtub and at the same height as the one that entered the bathtub Seat can be lowered outside the bath. In addition, disabled people should be able to join in drooping legs without outside help over the edge of the bathtub to swing.
  • the invention provides that the column of hydraulic cylinders from a lower, fixed Hydraulic cylinder and a plurality of other, movable in it Hydraulic cylinders exist.
  • the bathing aid designed according to the invention enables a disabled person with paralyzed legs, with sagging Lower legs over the bath rim without outside help to swing, be it to swing into the bathtub or to swing out of it.
  • a total stroke height of 1000 mm is advisable or have more.
  • the pressure force of the hydraulic cylinders should be about 150 kg.
  • the traverse can be swiveled using a water motor be drivable.
  • the built-in truss Water motor act on a pinion that in Active connection with the top hydraulic cylinder surrounding ring gear stands.
  • each Hydraulic cylinder in the larger hydraulic cylinder is at least three times its diameter.
  • Pillar 3 from the lower fixed hydraulic cylinder 5 and two other hydraulic cylinders that can be moved in them 6 and 7.
  • a horizontally protruding Traverse 9 pivotally attached. At the free end of this Traverse 9 is now attached to the bath seat 10.
  • the total stroke H of the telescopic column 3 should be at least Amount to 1000 mm, once the seat 10 to in to be able to lower its lowest position C or D and to further allow the seat 10 so far can be raised to its uppermost position A, that swiveling the seat in or out with a person sitting on it and hanging legs is possible.
  • the pressure force of the hydraulic cylinders be about 150 kg.
  • a manual control valve provided with which the seat 10 is raised or lowered and can also be swiveled.
  • a swivel angle should also prevent attacks to limit the Angle of rotation of the traverse can be provided in turret 8.

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  • 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)
  • Percussion Or Vibration Massage (AREA)

Abstract

For a bathing aid which comprises a seat which can be hydraulically lowered and raised in a bath tub and pivoted out of the bath tub, it is provided, as a simple, space-saving design, that a column (3) of hydraulic cylinders (5, 6, 7) which can be telescopically moved inside one another and are solely actuated by the pressure of tap water be firmly mounted on the ground to the sides next to the top of the bath tub (2), and that a side-arm (9) which can be pivoted about at least 90@ be fastened with low friction on the top (8) of the uppermost hydraulic cylinder (7). The seat (10) with its back rest is hinged on the free end of the side-arm. <IMAGE>

Description

Die Erfindung bezieht sich auf eine Badehilfe mit einem teleskopartig absenkbaren, auffahrbaren und ausschwenkbaren Sitz, nach dem Oberbegriff des Anspruchs 1.The invention relates to a bathing aid with a telescopic retractable, retractable and swiveling seat, after the Preamble of claim 1.

Eine solche Badehilfe ist in der GB-A-2 123 285 offenbart. Die Badehilfe nach diesem Stand der Technik ermöglicht es jedoch einer auf dem Sitz befindlichen, z.B. querschnittsgelähmten Person nicht, sich mit herabhängenden Beinen ohne fremde Hilfe über den Badewannenrand schwenken zu lassen.Such a bathing aid is disclosed in GB-A-2 123 285. The bathing aid according to this state of the art, however, it allows one located, e.g. paraplegic person does not look with legs hanging over the edge of the bathtub without outside help to swing.

Aus der EP-A-0 380 621 ist eine Badehilfe bekannt, bei der an einem in die Badewanne einsetzbaren Gestell mit nach hinten geneigt aufragenden Hydraulikzylindern ein daran befestigter Sitz hydraulisch absenkbar und auffahrbar ist. Ein solcher Sitz bietet für behinderte Personen eine erhebliche Erleichterung, ein Vollbad zu nehmen, insbesondere da sich dieser Sitz bis auf den Boden der Badewanne absenken läßt. Für schwerbehinderte Personen, insbesondere Querschnittsgelähmte, ist es jedoch ohne fremde Hilfe unmöglich, vom neben die Badewanne gefahrenen Rollstuhl auf den Sitz zu gelangen.A bathing aid is known from EP-A-0 380 621, in which one rack that can be inserted into the bathtub with backward tilt towering hydraulic cylinders a seat attached hydraulically can be lowered and opened. Such a seat provides for the disabled People a significant relief from taking a full bath especially since this seat extends to the bottom of the bathtub can lower. For severely disabled people, in particular Paraplegic, however, it is impossible without outside help from the wheelchair driven next to the bathtub to the seat to get.

Ausgehend von diesem Stand der Technik bestand die Forderung, derartige Sitze auch aus der Badewanne heraus schwenkbar zu gestalten, um damit ein leichteres Überwechseln auf den Badesitz zu ermöglichen. Es hat sich jedoch als praktisch unmöglich erwiesen, ein solches in die Badewanne einsetzbares Hydraulikgestell so auszugestalten, daß damit der Sitz auch
aus der Badewanne herausgeschwenkt werden kann. Dies scheitert daran, daß beim Herausschwenken auf die Hydraulikzylinder zu große Kippkräfte einwirken, wodurch die Gefahr besteht, daß das Hydraulikzylinder-Gestell selbst oder die ganze Badewanne kippt, insbesondere da in Privathaushalten üblicherweise Badewannen nicht fest am Boden verankert sind.Based on this state of the art, there was a requirement to make such seats pivotable out of the bathtub in order to make it easier to change over to the bath seat. However, it has proven to be practically impossible to design such a hydraulic frame that can be inserted into the bathtub in such a way that the seat is also so
can be swung out of the bathtub. This fails due to the fact that when the hydraulic cylinders are pivoted out, excessive tilting forces act, which creates the risk that the hydraulic cylinder frame itself or the entire bathtub tilts, particularly since bathtubs are usually not firmly anchored to the floor in private households.

Es ist dazu bereits aus der GB-A-2 120 933 eine Badehilfe bekannt, bei der das Hydraulikgestell am Kopf der Badewanne hinter der Badewanne befestigt ist. Mit diesem Gestell ist ein Absenken und Auffahren des Sitzes in die Badewanne und darüber hinaus ein Herausschwenken des Sitzes um 90° möglich, wobei dann der Sitz jedoch nur bis auf den Badewannenrand abgesenkt werden kann. Dieses Gerät hat jedoch einen erheblichen Platzbedarf und ist sehr aufwendig gestaltet und konstruiert, so daß es sich in der Praxis nicht eingeführt hat.For this purpose, a bathing aid is already known from GB-A-2 120 933, in which the hydraulic frame at the head of the bathtub behind the bathtub is attached. With this frame is a lowering and opening the seat into the bathtub and also swiveling it out of the seat possible by 90 °, but then the seat can only be lowered to the edge of the bathtub. This However, the device takes up a lot of space and is very complex designed and constructed so that it is not in practice introduced.

Der vorliegenden Erfindung liegt daher die Aufgabe zugrunde, eine Badehilfe anzugeben, die einfach aufgebaut ist, einen geringen Platzbedarf hat und so gestaltet ist, daß damit auf einfache Weise derartige Sitze leicht in die Badewanne ein- und ausgefahren werden können und der Sitz darüber hinaus aus der Badewanne ausgeschwenkt und auf die gleiche Höhe wie der in die Badewanne eingefahrene Sitz außerhalb der Badewanne abgesenkt werden kann. Außerdem soll es behinderten Personen ermöglicht werden, sich mit herabhängenden Beinen ohne fremde Hilfe über den Badewannenrand schwenken zu lassen. The present invention is therefore based on the object Specify bathing aid, which is simple, a low Has space and is designed so that it is simple Such seats can easily be retracted and extended into the bathtub can and the seat also swung out of the bathtub and at the same height as the one that entered the bathtub Seat can be lowered outside the bath. In addition, disabled people should be able to join in drooping legs without outside help over the edge of the bathtub to swing.

Zur Lösung dieser Aufgabe ist erfindungsgemäß vorgesehen, daß die Säule der Hydraulikzylinder aus einem unteren, feststehenden Hydraulikzylinder und einer Mehrzahl von weiteren, in ihm verfahrbaren Hydraulikzylindern besteht.To solve this problem, the invention provides that the column of hydraulic cylinders from a lower, fixed Hydraulic cylinder and a plurality of other, movable in it Hydraulic cylinders exist.

Damit ist es möglich, auch in Privathaushalten mit nur geringem Platzbedarf eine Badehilfe einzubauen, mit der ein solcher Sitz einfach aus der Badewanne herausgeschwenkt und tief abgesenkt werden kann, um damit ein leichteres Überwechseln auch ohne fremde Hilfe, beispielsweise in einen Rollstuhl zu ermöglichen.This makes it possible even in private households with little Space requirement to install a bathing aid with which such a seat is easy swung out of the bath and lowered deep can be changed to make it easier to change without to enable outside help, for example in a wheelchair.

Vor allem ermöglicht die erfindungsgemäß ausgestaltete Badehilfe einer behinderten Person mit gelähmten Beinen, sich mit herabhängenden Unterschenkeln ohne fremde Hilfe über den Badewannenrand schwenken zu lassen, sei es zum Hineinschwenken in die Badewanne oder zum Herausschwenken aus dieser.Above all, the bathing aid designed according to the invention enables a disabled person with paralyzed legs, with sagging Lower legs over the bath rim without outside help to swing, be it to swing into the bathtub or to swing out of it.

Zur zusätzlichen Stabilisierung ist es zweckmäßig, wenn sich die Säule der Hydraulikzylinder über eine seitlichen, am untersten, feststehenden Hydraulikzylinder befestigten Arm auf dem Badewannenrand abstützt.For additional stabilization, it is useful if the column the hydraulic cylinder via a side, bottom, fixed Hydraulic cylinder attached arm on the edge of the bathtub supports.

Zum Schwenken des Sitzes mit einer darauf sitzenden Person bei herabhängenden Unterschenkeln kann der Kopf des obersten Hydraulikzylinders zweckmäßig eine Gesamthubhöhe von 1000 mm oder mehr aufweisen. Zur einfachen Bedienung ist es ferner zweckmäßig, wenn am Sitz selbst eine Handventilbetätigung zum Anheben, Absenken und Schwenken des Sitzes vorgesehen ist. Die Druckkraft der Hydraulikzylinder sollte dabei etwa 150 kg betragen. For swiveling the seat with a person sitting on it drooping lower legs can be the head of the top hydraulic cylinder a total stroke height of 1000 mm is advisable or have more. For ease of use, it is also appropriate if there is a manual valve actuation on the seat itself for lifting, Lowering and swiveling the seat is provided. The The pressure force of the hydraulic cylinders should be about 150 kg.

Da Hydraulikzylinder insbesondere bei zusätzlichen Biegebelastungen praktisch nicht in ihrer Führung gedreht werden können, ist es ferner von Vorteil, wenn die Traverse über Kugellager am Kopf des obersten Hydraulikzylinders gelagert ist.Because hydraulic cylinders, especially with additional bending loads practically not rotated in their leadership , it is also an advantage if the traverse via ball bearings on the head of the top hydraulic cylinder is stored.

Dabei kann die Traverse über einen Wassermotor schwenkbar antreibbar sein. Dazu kann der in der Traverse eingebaute Wassermotor auf ein Ritzel einwirken, daß in Wirkverbindung mit einem den obersten Hydraulikzylinder umgebenden Zahnkranz steht.The traverse can be swiveled using a water motor be drivable. To do this, the built-in truss Water motor act on a pinion that in Active connection with the top hydraulic cylinder surrounding ring gear stands.

Um zu verhindern, daß die Traverse zu weit geschwenkt wird, kann der Zahnkranz mit Anschlägen zur Begrenzung des Drehwinkels der Traverse versehen sein.To prevent the traverse from being pivoted too far the sprocket with limit stops of the angle of rotation of the traverse.

Um darüberhinaus ein Klemmen der Hydraulikzylinder wegen der hohen Biegebeanspruchung zu vermeiden, ist es zweckmäßig, wenn die geführte Einspannlänge jedes Hydraulikzylinders im jeweils größeren Hydraulikzylinder mindestens das Dreifache seines Durchmessers beträgt.In addition, due to a jamming of the hydraulic cylinders to avoid the high bending stress, it is useful if the guided clamping length each Hydraulic cylinder in the larger hydraulic cylinder is at least three times its diameter.

Anhand einer schematischen Zeichnung sind Aufbau und Funktionsweise eines Ausführungsbeispieles nach der Erfindung näher erläutert. Dabei zeigt die einzige Figur in perspektivischer Ansicht die Gesamtkonstruktion in verschiedenen Höhenstellungen.Based on a schematic drawing, structure and Operation of an embodiment according to the invention explained in more detail. The only figure shows a perspective view of the overall construction in different heights.

Wie man aus der einzigen stark schematisierten Figur erkennt, ist beispielsweise in der Ecke 1 eines Badezimmers eine Badewanne 2 eingebaut. Am Kopfende neben dieser Badewanne ist eine Säule 3 aus Hydraulikzylindern 5, 6 und 7 über eine kreisförmige Bodenplatte 4 fest am Boden verankert.How to get out of the only highly schematic figure recognizes, for example, in the corner 1 of a bathroom a bathtub 2 installed. At the head end next to this bathtub is a column 3 made of hydraulic cylinders 5, 6 and 7 via a circular base plate 4 firmly anchored to the ground.

Nach dem dargestellten Ausführungsbeispiel besteht die Säule 3 aus dem unteren feststehenden Hydraulikzylinder 5 sowie zwei weiteren, in ihnen verfahrbaren Hydraulikzylindern 6 und 7. Am Kopf des obersten Hydraulikzylinders 7 ist über eine reibungsarme, nicht im einzelnen dargestellte Lagerung 8 eine horizontal abragende Traverse 9 schwenkbar befestigt. Am freien Ende dieser Traverse 9 ist nunmehr der Badesitz 10 angehängt.According to the embodiment shown Pillar 3 from the lower fixed hydraulic cylinder 5 and two other hydraulic cylinders that can be moved in them 6 and 7. At the head of the top hydraulic cylinder 7 is about low friction, not in detail illustrated storage 8 a horizontally protruding Traverse 9 pivotally attached. At the free end of this Traverse 9 is now attached to the bath seat 10.

Wie man aus der Zeichnung weiter ersieht, kann dieser Badesitz 10 von seiner höchsten Stellung A über eine Zwischenstellung B bis zum Boden der Badewanne entsprechend der Stellung C abgesenkt werden, wobei die Traverse 9' in ihrer untersten Stellung gezeigt ist.As can be seen from the drawing, this can Bath seat 10 from its highest position A over one Intermediate position B to the bottom of the bathtub accordingly the position C are lowered, the crossbar 9 'is shown in its lowest position.

In gleicher Weise ist ein Auffahren des Sitzes von seiner Stellung C in die oberste Stellung A möglich, wobei dann der Sitz 10 über die Traverse 9 und den Kopf 8 um 90° nach vorn entgegen dem Uhrzeigersinn geschwenkt und anschließend abgesenkt wird, bis er seine tiefste Stellung D außerhalb der Badewanne einnimmt. Die jetzige Stellung der Traverse ist mit den Bezugszeichen 9'' gekennzeichnet.In the same way, the seat is opened Position C in the uppermost position A possible then the seat 10 over the cross member 9 and the head 8 around Swiveled 90 ° counterclockwise and then lowered until it reaches its lowest position D is taking outside the bath. The current The position of the traverse is identified by the reference number 9 ''.

Der Gesamthub H der Teleskopsäule 3 sollte dabei mindestens 1000 mm betragen, um einmal den Sitz 10 bis in seine tiefste Stellung C bzw. D absenken zu können und um es darüberhinaus zu ermöglichen, daß der Sitz 10 soweit in seine oberste Stellung A gehoben werden kann, daß ein Aus- oder Einschwenken des Sitzes auch mit einer darauf sitzenden Person und herabhängenden Beinen möglich ist. Außerdem soll die Druckkraft der Hydraulikzylinder etwa 150 kg betragen.The total stroke H of the telescopic column 3 should be at least Amount to 1000 mm, once the seat 10 to in to be able to lower its lowest position C or D and to further allow the seat 10 so far can be raised to its uppermost position A, that swiveling the seat in or out with a person sitting on it and hanging legs is possible. In addition, the pressure force of the hydraulic cylinders be about 150 kg.

Um ein leichtes Verschwenken der Traverse 9 ohne zusätzliche Pressung der Hydraulikzylinder 6 und 7 zu ermöglichen, ist es zweckmäßig, wenn die Traverse 9 mit ihrem Drehkopf 8 in im einzelnen nicht näher dargestellten Kugellagerringen am Hydraulikzylinder 7 abgestützt und gelagert ist. Eine Drehung der Traverse 9 ist dabei über einen in der Traverse 9 eingebauten ebenfalls nicht näher dargestellten Wassermotor möglich, dessen angetriebenes Ritzel auf einen Zahnkranz am Hydraulikzylinder 7 einwirkt.To easily pivot the crossbar 9 without additional To allow pressing of hydraulic cylinders 6 and 7, it is appropriate if the crossmember 9 with her rotary head 8 in not shown in detail Ball bearing rings supported on the hydraulic cylinder 7 and is stored. A rotation of the traverse 9 is a built in the traverse 9 possible water motor, also not shown, the driven pinion on a ring gear acts on the hydraulic cylinder 7.

Für eine Betätigung der Badehilfe ist beispielsweise an einer Lehne des Sitzes 10 ein Handbetätigungsventil vorgesehen, mit dem der Sitz 10 angehoben oder abgesenkt und darüberhinaus geschwenkt werden kann. Um dabei ein Schwenken über einen zu großen Schwenkwinkel zu verhindern, sollten ferner Anschläge zur Begrenzung des Drehwinkels der Traverse in Drehkopf 8 vorgesehen sein.For example, to actuate the bathing aid a back of the seat 10, a manual control valve provided with which the seat 10 is raised or lowered and can also be swiveled. To be there swiveling over too large a swivel angle should also prevent attacks to limit the Angle of rotation of the traverse can be provided in turret 8.

Insgesamt ergibt sich also eine Badehilfe, die bei nur sehr geringem Platzbedarf und einer einfachen Konstruktion sowohl das Ein- und Ausfahren eines Sitzes in die Badewanne als auch ein Herausschwenken aus dem Badewannenbereich ermöglicht, um damit eine einfache Benutzung auch ohne Hilfspersonal zu ermöglichen.Overall, there is a bathing aid, which is only at very small footprint and simple construction both the retraction and extension of a seat in the Bathtub as well as swinging out of the bathtub area allows for easy use even without auxiliary staff.

Claims (10)

  1. A bathing aid device comprising a seat (10) arranged to be lowered and raised telescopingly and swivelled out of a bath tub (2), wherein a column (3) composed of hydraulic cylinders telescoping into each other and actuable by mere tap water pressure is, in use, mounted firmly on the floor beside the head of the bath tub (2), and a transversal beam (9) is fixed to the top end (8) of the uppermost hydraulic cylinder such that the transversal beam (9) can be swivelled through at least 90° with low friction, the free end of the transversal beam (9) carrying the back of the seat (10), characterised in that the hydraulic cylinder column (3) is composed of a lower, stationary hydraulic cylinder (5) and a plurality of further hydraulic cylinders (6, 7) displaceable within the stationary hydraulic cylinder (5).
  2. The bathing aid device according to claim 1, characterised in that the column (3) composed of the hydraulic cylinders (5, 6, 7) is braced, in use, to the rim of the bath tub (2) through a lateral arm fixed to the lowermost, stationary hydraulic cylinder (5).
  3. The bathing aid device according to claim 1, characterised in that the top end (8) of the uppermost hydraulic cylinder (7) is arranged to be raised to a total height of at least 1000 mm.
  4. The bathing aid device according to claim 1, characterised in that the seat (10) is provided with a manual control valve for raising, lowering and swivelling the seat (10).
  5. The bathing aid device according to claim 1, characterised in that the raising force of the hydraulic cylinders (5, 6, 7) is approximately 150 kg.
  6. The bathing aid device according to claim 1, characterised in that the transversal beam (9) is supported on the top end (8) of the uppermost hydraulic cylinder (7) by ball bearings.
  7. The bathing aid device according to claims 1 and 6, characterised in that the transversal beam (9) is arranged to be driven and swivelled by a water motor.
  8. The bathing aid device according to claim 7, characterised in that the water motor is mounted in the transversal beam (9) and is arranged to act on a pinion which is operatively connected to a gear ring surrounding the uppermost hydraulic cylinder (7).
  9. The bathing aid device according to claim 8, characterised in that the gear ring is provided with limit stops arranged to limit the swivelling angle of the transversal beam (9).
  10. The bathing aid device according to claim 1, characterised in that the guided length of each hydraulic cylinder (6, 7) within the respective guiding hydraulic cylinder (5, 6) enclosing it is at least three times the diameter thereof.
EP94106668A 1993-04-28 1994-04-28 Bathing aid Expired - Lifetime EP0622065B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4313986A DE4313986A1 (en) 1993-04-28 1993-04-28 Bathing aid
DE4313986 1993-04-28

Publications (2)

Publication Number Publication Date
EP0622065A1 EP0622065A1 (en) 1994-11-02
EP0622065B1 true EP0622065B1 (en) 1998-03-04

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EP94106668A Expired - Lifetime EP0622065B1 (en) 1993-04-28 1994-04-28 Bathing aid

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US (1) US5715545A (en)
EP (1) EP0622065B1 (en)
AT (1) ATE163536T1 (en)
DE (3) DE9321189U1 (en)

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Publication number Publication date
ATE163536T1 (en) 1998-03-15
DE4313986A1 (en) 1994-11-03
EP0622065A1 (en) 1994-11-02
US5715545A (en) 1998-02-10
DE9321189U1 (en) 1996-06-13
DE59405333D1 (en) 1998-04-09

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