EP0795309B1 - Backrest for bath tub lift - Google Patents
Backrest for bath tub lift Download PDFInfo
- Publication number
- EP0795309B1 EP0795309B1 EP96104024A EP96104024A EP0795309B1 EP 0795309 B1 EP0795309 B1 EP 0795309B1 EP 96104024 A EP96104024 A EP 96104024A EP 96104024 A EP96104024 A EP 96104024A EP 0795309 B1 EP0795309 B1 EP 0795309B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- backrest
- section
- back support
- supporting member
- support according
- 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
Links
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000005484 gravity Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
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
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Support for the head or the back
- A47C7/40—Support for the head or the back for the back
-
- 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
- A61G7/1013—Lifting of patients by
- A61G7/1021—Inflatable cushions
-
- 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
- A61G7/1082—Rests specially adapted for
- A61G7/1088—Back
Definitions
- the invention relates to a back support for bath lifts with the features of the preamble of claim 1.
- Such a back support is known from EP-A-0622042.
- the support member exists from a piece of hose that can be filled with pressurized water.
- a separate manually operated control valve is required for filling and emptying the Hose piece.
- the object of the invention is to provide a back support of the type mentioned improve that they easily from the supported steep position in a Flat position and vice versa are moved and a disabled person this adjustment can make yourself.
- the swivel arm represents the support member. Swivels when the backrest is swiveled up the swivel arm up and forward, with its runner in the long path section the guideway slides down until it reaches the connecting track section. At The runner supports the front end of the connecting track section Swivel arm from the backrest in the steep position. To the backrest out of this Adjusting the steep position to a flat position only requires a short one Swing stroke of the backrest forward, which brings the runner to the rear end of the Connecting rail section arrives where it after overcoming the backstop in enters the bypass section.
- the backrest can be freely after pivot backwards into a flat position, in which they are on the wall of the Bathtub supports.
- the rotor of the swivel arm has the bypass section pass through and is at its upper mouth in the long Track section reentered. Above this upper mouth, at which that is the long section of track in its lower area and the Branch line branched, the runner slides when swiveling the Backrest down and when lowering the backrest upwards. At the bottom The runner can only go down and in the area of the long track section Bypass section can only be moved upwards.
- the long track section is unlimited at the top, so that supports the backrest on the floor element or the seat plate of the lift.
- a Further development of the invention is that a locking piece in the guideway used and positively secured against shifting to a to achieve a certain flat position of the backrest with a defined angular position. Of the Runner then supports the swivel lever on the backrest using this locking piece.
- the locking piece is preferably plate-shaped and engages transversely aligned slots of the guideway. Multiple pairs of slots can be in small Longitudinal distances are provided for a fine adjustment of the flat position the backrest.
- the lower area of the long guideway forms with the Bypass section and the connecting section a parallelogram or also rectangular structures, the individual web sections not necessarily have to be straight.
- the rotor is of a compression spring acted upon bolt.
- the guideway then consists of one Groove arrangement and the backstop is through a shoulder in the groove bottom designed.
- the groove bottoms of most of the groove arrangement lie in one A rising ramp precedes the common level and each paragraph.
- everyone Paragraph has an at least approximately perpendicular to the groove bottom Heel area that is flush with a side surface of a subsequent one Railway section lies.
- the end points of the Connecting track section a straight line that is aligned with the longitudinal center line of the Swivel arm encloses an angle of at most 45 °. In a preferred one Embodiment, this angle is less than 10 °.
- the long Track section in the lower area in a short angled towards the backrest End section opens and a first backstop assigned to this mouth is and this end section in turn opens at an angle into the connecting section and a backstop is also assigned to this further outlet.
- the short End section preferably forms a right angle with the long track section. This ensures that the backrest is forced up is stopped when the runner in the short end section of the long track section entry. The runner then arrives by turning the backrest slightly backwards to the front end of the connecting track section, where he is the backrest in the Steep position supported.
- the to the bypass section at its mouth in The connecting path section forms a tangent with the longitudinal axis extension an angle greater than 90 ° when the runner touches this Mouth is located. This angle need only be a little larger than 90 ° in order to to avoid self-locking.
- a particularly advantageous feature of the invention is that coaxial one of the two swivel axes, preferably the swivel arm swivel axis, a Leg spring is arranged, which is tensioned when the backrest is pivoted downward is and the spring force is sufficient to the released backrest to pivot at least approximately into the steep position.
- the disabled needs just straighten his upper body from the lying position, giving him the Backrest thanks to the built-in spring.
- the backrest finds hers Defined steep position by itself or when leaning the back against the backrest reached.
- This release stroke of the backrest is particularly easy to carry out, if there is an additional, forward-facing control lever on the backrest is provided so that it is only pushed down by the disabled person needs.
- This operating lever is preferably on the side of the backrest pivotally attached, so that it is only when needed forward to its functional position is swung out to a stop, but otherwise behind the front surface of the Backrest is hidden in a rest position.
- the main components of a bath lifter are a floor frame 12 a Seat plate 14, a guide frame 16 and a lifting hose which can be filled with pressurized water 18.
- a back support 20 is releasably attached on the seat plate 14.
- the Back support 20 has a base plate 22, which is used to rest on seat plate 14 serves and in its front area a backrest 24 about a first transverse axis 26 swiveling.
- a plate-shaped pivot arm 28 is about a second transverse axis 30 pivotally mounted in the rear area of the base plate 22 and engages with two coaxial, externally projecting bolts 32 each in groove tracks 34, the are formed on the inside on two wall webs 36, which in turn on the back of the Backrest 24 are molded or attached.
- the groove track 34 has according to FIG. 3 shows a stepped cross section, with a shoulder 38 is formed, which is followed by a recessed area which forms the groove bottom 40.
- the rotor 32 has a sleeve 42, which laterally from the plate-shaped Swivel arm 28 protrudes and engages in groove 34 up to shoulder 38.
- the Sleeve 42 has a bolt 44 slidably supported by a helical compression spring 46 is pressed to the outside and with its end face on the groove bottom 40 in the recessed Groove area is present.
- the groove track 34 has a first long track section 48 which is in the extends substantially along the backrest 24, closely adjacent and parallel to the back of the backrest.
- This long track section 48 is somewhat below angled backwards to make room for a short subsequent connection To create end portion 50.
- This end section 50 opens into one Connecting track section 52, which with the angled end 50 of the long Path section 48 forms an angle of about 45 °.
- This The connecting track section 52 in turn opens at that of the backrest 24 opposite end in a bypass section 54, which is apart from Slight curvatures along the long path section 48 extends and acute angles flows into this.
- a backstop 56 is provided which consists of a Paragraph 58 exists which extends to the groove bottom 40 and which has a ramp 60 is connected upstream.
- each muzzle Backstop 56 must be provided.
- the plate-shaped swivel arm 28 already has due to its gravity, a tendency to pivot towards the backrest when the runners 32 are located in the lower region of the long track section 48. If the swivel arm 28 is also equipped with a return spring, which a in exerts the same direction as the force of gravity acting swing moment the first backstops 56 at the ends of the web sections 48 and 50 and 54 omitted. Only the backstop 56 at the mouth of the Connecting track section 52 in the bypass section 54 is mandatory.
- Figures 7 and 8 show a slightly modified groove 34 in which the long Track section 48 without the angled end section 50 directly into the Connecting track section 52 joins.
- the groove track 34 is therefore somewhat easier but which brings with it a certain loss of comfort, because when swiveling the Backrest 24 is no longer stopped automatically, but could continue are pivoted upward until the runner 32 into the bypass section 54 reached. This can be easily prevented, however, since the backstop is overcome 56 at the end of the long path section 48, the bolts 44 of the runners 32 with audible Click into the groove. So the user is acoustically the end the swiveling movement of the backrest 24 reported, so that by immediate The runners swing back into the extension section of the connecting track section 52 slide up.
- This extension section designated 52 ' serves the security to 24 with a slight pivoting of the backrest Do not accidentally bring swivel arm 26 into the release position.
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- Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Nursing (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
- Devices For Medical Bathing And Washing (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
- Invalid Beds And Related Equipment (AREA)
- Coating With Molten Metal (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Abstract
Description
Die Erfindung betrifft eine Rückenstütze für Badelifter mit den Merkmalen des Oberbegriffes von Patentanspruch 1.The invention relates to a back support for bath lifts with the features of the preamble of claim 1.
Eine derartige Rückenstütze ist aus der EP-A-0622042 bekannt. Das Stützglied besteht aus einem, mit Druckwasser füllbaren Schlauchstück. Für das Füllen und Entleeren des Schlauchstückes ist ein eigenes manuell betätigbares Steuerventil erforderlich.Such a back support is known from EP-A-0622042. The support member exists from a piece of hose that can be filled with pressurized water. For filling and emptying the Hose piece, a separate manually operated control valve is required.
Aus der EP-B-0347652 ist eine einfachere Rückenstütze bekannt, bei der im Schwenklager der Rückenlehne eine Rastvorrichtung eingebaut ist, die es ermöglicht, die Rückenlehne feinstufig in einer Vielzahl von Neigungspositionen zu arretieren. Die Rückenlehne muß in Richtung der Schwenkachse gegen Federkraft bewegt werden, um die Verrastung aufzuheben. Diese Ausrückbewegung kann zwar von einer Hilfsperson nur selten aber von dem auf der Sitzplatte sitzenden Behinderten durchgeführt werden.From EP-B-0347652 a simpler back support is known, in which Swivel bearing of the backrest a locking device is built in, which makes it possible to lock the backrest in a multitude of inclined positions. The Backrest must be moved against spring force in the direction of the swivel axis release the lock. This disengagement can be done by an assistant but only rarely by the disabled person sitting on the seat plate.
Aus der EP-A-0578947 ist eine Rückenstütze bekannt, bei der seitlich am Sitz Neigungskurven ausgebildet sind, in denen die Rückenkehne geführt ist, derart dass mindestens zwei unterschiedliche Neigungen einstellbar sind und die Rückenlehne vollständig nach vorn und hinten umklappbar ist. In den Neigungsstellungen findet eine Verrastung statt. Zur Aufhebung der Verrastung muss die Rückenlehne angehoben werden, um sie in die andere Neigungsstellung oder eine der Flachstellungen verschwenken zu können. Auch dieses Anheben erfordert in der Regel den Einsatz einer Hilfsperson.From EP-A-0578947 a back support is known, in the side of the seat Inclination curves are formed in which the backrest is guided, such that at least two different inclinations are adjustable and the backrest completely can be folded forward and backward. There is one in the tilt positions Locking instead. To release the lock, the backrest must be raised to tilt them to the other tilt position or one of the flat positions to be able to pivot. This lifting usually also requires the use of a Helper.
Aufgabe der Erfindung ist es, eine Rückenstütze der eingangs genannten Art so zu verbessern, daß sie auf einfache Weise aus der abgestützten Steilstellung in eine Flachstellung und umgekehrt bewegt werden und ein Behinderter diese Verstellung selbst vornehmen kann.The object of the invention is to provide a back support of the type mentioned improve that they easily from the supported steep position in a Flat position and vice versa are moved and a disabled person this adjustment can make yourself.
Diese Aufgabe wird bei der Rückenstütze mit den Merkmalen des Oberbegriffes von Patentanspruch 1 durch dessen Kennzeichnungsmerkmale gelöst. Der Schwenkarm stellt das Stützglied dar. Beim Hochschwenken der Lehne schwenkt der Schwenkarm nach oben und vorn, wobei sein Läufer in dem langen Bahnabschnitt der Führungsbahn abwärts gleitet, bis er in den Verbindungsbahnabschnitt gelangt. Bei Anlage des Läufers am Vorderende des Verbindungsbahnabschnittes stützt der Schwenkarm die Rückenlehne in der Steilstellung ab. Um die Rückenlehne aus dieser Steilstellung in eine Flachstellung zu verstellen, bedarf es lediglich eines kurzen Schwenkhubes der Rückenlehne nach vorn, wodurch der Läufer an das Hinterende des Verbindungsbahnabschnittes gelangt, wo er nach Überwindung der Rücklaufsperre in den Umgehungsbahnabschnitt eintritt. Nunmehr läßt sich die Rückenlehne unbehindert nach nach hinten in eine Flachstellung verschwenken, in der sie sich an der Wandung der Badewanne abstützt. Der Läufer des Schwenkarmes hat dabei den Umgehungsbahnabschnitt durchlaufen und ist an dessen oberer Mündungsstelle in dem langen Bahnabschnitt wieder eingetreten. Oberhalb dieser oberen Mündungsstelle, an der sich also der lange Bahnabschnitt in seinen unteren Beeich und den Umgehungsbahnabschnitt verzweigt, gleitet der Läufer beim Hochschwenken der Rückenlehne abwärts und beim Absenken der Rückenlehne aufwärts. Im unteren Bereich des langen Bahnabschnittes kann der Läufer nur abwärts und im Umgehungsbahnabschnitt nur aufwärts bewegt werden.This task is performed in the back support with the features of the preamble of Patent claim 1 solved by its identification features. The swivel arm represents the support member. Swivels when the backrest is swiveled up the swivel arm up and forward, with its runner in the long path section the guideway slides down until it reaches the connecting track section. At The runner supports the front end of the connecting track section Swivel arm from the backrest in the steep position. To the backrest out of this Adjusting the steep position to a flat position only requires a short one Swing stroke of the backrest forward, which brings the runner to the rear end of the Connecting rail section arrives where it after overcoming the backstop in enters the bypass section. Now the backrest can be freely after pivot backwards into a flat position, in which they are on the wall of the Bathtub supports. The rotor of the swivel arm has the bypass section pass through and is at its upper mouth in the long Track section reentered. Above this upper mouth, at which that is the long section of track in its lower area and the Branch line branched, the runner slides when swiveling the Backrest down and when lowering the backrest upwards. At the bottom The runner can only go down and in the area of the long track section Bypass section can only be moved upwards.
Gemäß einer Ausgestaltung ist der lange Bahnabschnitt oben unbegrenzt, so daß sich die Rückenlehne am Bodenelement oder der Sitzplatte des Lifters abstützt. Eine Weiterbildung der Erfindung besteht darin, daß in die Führungsbahn ein Sperrstück eingesetzt und formschlüssig gegen Verschieben gesichert werden kann, um eine bestimmte Flachstellung der Rückenlehne mit definierter Winkellage zu erreichen. Der Läufer stützt den Schwenkhebel dann über dieses Sperrstück an der Rückenlehne ab. Das Sperrstück ist vorzugsweise plattenförmig ausgebildet und greift in quer ausgerichtete Schlitze der Führungsbahn ein. Mehrere Schlitzpaare können in geringen Längsabständen vorgesehen werden, um eine feinstufige Verstellung der Flachposition der Rückenlehne zu ermöglichen.According to one embodiment, the long track section is unlimited at the top, so that supports the backrest on the floor element or the seat plate of the lift. A Further development of the invention is that a locking piece in the guideway used and positively secured against shifting to a to achieve a certain flat position of the backrest with a defined angular position. Of the Runner then supports the swivel lever on the backrest using this locking piece. The locking piece is preferably plate-shaped and engages transversely aligned slots of the guideway. Multiple pairs of slots can be in small Longitudinal distances are provided for a fine adjustment of the flat position the backrest.
Im einfachsten Fall bildet der untere Bereich der langen Führungsbahn mit dem Umgehungsbahnabschnitt und dem Verbindungsbahnabschnitt ein parallelogrammartiges oder auch rechteckartiges Gebilde, wobei die einzelnen Bahnabschnitte nicht notwendigerweise geradlinig verlaufen müssen. Durch geschickte Wahl der Einmündungsrichtungen der Bahnabschnitte an den Mündungsstellen läßt sich erreichen, daß der Läufer bei einer Bahnverzweigung auch ohne Rücklaufsperre bei seiner Bewegung nur in den jeweils gewünschten Bahnabschnitt eintritt. Mittels mehrerer Rücklaufsperren kann dieses Ziel ebenfalls erzwungen werden.In the simplest case, the lower area of the long guideway forms with the Bypass section and the connecting section a parallelogram or also rectangular structures, the individual web sections not necessarily have to be straight. By clever choice of Junction directions of the track sections at the junction points can be achieve that the runner at a path branch without a backstop its movement only occurs in the desired path section. Means multiple backstops can also force this goal.
Der Läufer ist gemäß einer Weiterbildung der Erfindung als von einer Druckfeder beaufschlagter Bolzen ausgebildet. Die Führungsbahn besteht dann aus einer Nutenanordnung und die Rücklaufsperre ist durch einen Absatz im Nutboden ausgestaltet. Die Nutböden des größten Teils der Nutenanordnung liegen dabei in einer gemeinsamen Ebene und jedem Absatz ist eine ansteigende Rampe vorgelagert. Jeder Absatz weist eine wenigstens angenähert rechtwinklig zum Nutboden verlaufende Absatzfläche auf, die bündig mit einer Seitenfläche eines anschließenden Bahnabschnittes liegt.According to a further development of the invention, the rotor is of a compression spring acted upon bolt. The guideway then consists of one Groove arrangement and the backstop is through a shoulder in the groove bottom designed. The groove bottoms of most of the groove arrangement lie in one A rising ramp precedes the common level and each paragraph. Everyone Paragraph has an at least approximately perpendicular to the groove bottom Heel area that is flush with a side surface of a subsequent one Railway section lies.
Bei im Verbindungsabschnitt befindlichem Läufer bilden die Endpunkte des Verbindungsbahnabschnittes eine Gerade, die mit der Längsmittellinie des Schwenkarmes einen Winkel von höchstens 45 ° einschließt. In einer bevorzugten Ausführungsform beträgt dieser Winkel weniger als 10 °.If the rotor is in the connecting section, the end points of the Connecting track section a straight line that is aligned with the longitudinal center line of the Swivel arm encloses an angle of at most 45 °. In a preferred one Embodiment, this angle is less than 10 °.
Schließlich ist noch eine Weiterbildung der Erfindung darin zu sehen, daß der lange Bahnabschnitt im unteren Bereich in einem zur Rückenlehne hin abgewinkelten kurzen Endabschnitt mündet und dieser Mündungsstelle eine erste Rücklaufsperre zugeordnet ist und dieser Endabschnitt seinerseits winklig in den Verbindungsabschnitt mündet und dieser weiteren Mündungsstelle ebenfalls eine Rücklaufsperre zugeordnet ist. Der kurze Endabschnitt bildet mit dem langen Bahnabschnitt vorzugsweise einen rechten Winkel. Dadurch wird erreicht, daß das Hochschwenken der Rückenlehne zwangsweise gestoppt wird, wenn der Läufer in den kurzen Endabschnitt des langen Bahnabschnittes eintritt. Durch eine geringe Rückschwenkung der Rückenlehne gelangt der Läufer dann an das vordere Ende des Verbindungsbahnabschnittes, wo er die Rückenlehne in der Steilstellung abstützt. Finally, a further development of the invention can be seen in the fact that the long Track section in the lower area in a short angled towards the backrest End section opens and a first backstop assigned to this mouth is and this end section in turn opens at an angle into the connecting section and a backstop is also assigned to this further outlet. The short End section preferably forms a right angle with the long track section. This ensures that the backrest is forced up is stopped when the runner in the short end section of the long track section entry. The runner then arrives by turning the backrest slightly backwards to the front end of the connecting track section, where he is the backrest in the Steep position supported.
Die an den Umgehungsbahnabschnitt an dessen Mündungsstelle im Verbindungsbahnabschnitt gelegte Tangente bildet mit der Schwenkarblängserstreckung einen Winkel größer als 90 °, wenn sich der Läufer an dieser Mündungsstelle befindet. Dieser Winkel braucht nur wenig größer als 90 ° zu sein, um eine Selbstsperrung zu vermeiden.The to the bypass section at its mouth in The connecting path section forms a tangent with the longitudinal axis extension an angle greater than 90 ° when the runner touches this Mouth is located. This angle need only be a little larger than 90 ° in order to to avoid self-locking.
Ein besonders vorteilhaftes Merkmal der Erfindung besteht noch darin, daß koaxial zu einer der beiden Schwenkachsen, vorzugsweise der Schwenkarm-Schwenkachse, eine Schenkelfeder angeordnet ist, die beim Abwärtsschwenken der Rückenlehne gespannt wird und deren Federkraft ausreichend bemessen ist, um die freigegebene Rückenlehne wenigstens angenähert bis in die Steilstellung zu verschwenken. Der Behinderte braucht seinen Oberkörper aus der Liegestellung lediglich aufzurichten, wobei ihm die Rückenlehne dank der eingebauten Feder nachfolgt. Die Rückenlehne findet ihre definierte Steilstellung von selbst oder wird beim Anlehnen des Rückens an der Lehne erreicht. Der Behinderte findet beim Heben und Senken der Sitzplatte des Lifters an der Rückenlehne einen sicheren Halt und er kann die Lehne mit einem einfachen Auslösehub für das Absenken in die Flachstellung freigeben, in dem er die Lehne geringfügig nach vorn schwenkt, bis der Läufer am Schwenkarm die Rücklaufsperre passiert hat. Dieser Freigabehub der Rückenlehne ist besonders einfach ausführbar, wenn an der Rückenlehne ein zusätzlicher, nach vorn weisender Betätigungshebel vorgesehen wird, so daß dieser vom Behinderten nur abwärts gedrückt zu werden braucht. Dieser Betätigungshebel ist vorzugsweise seitlich an der Rückenlehne schwenkbar angebracht, so daß er nur bei Bedarf nach vorn in seine Funktionsstellung bis an einen Anschlag herausgeschwenkt wird, sonst aber hinter der Vorderfläche der Rückenlehne in einer Ruhestellung verborgen ist.A particularly advantageous feature of the invention is that coaxial one of the two swivel axes, preferably the swivel arm swivel axis, a Leg spring is arranged, which is tensioned when the backrest is pivoted downward is and the spring force is sufficient to the released backrest to pivot at least approximately into the steep position. The disabled needs just straighten his upper body from the lying position, giving him the Backrest thanks to the built-in spring. The backrest finds hers Defined steep position by itself or when leaning the back against the backrest reached. The handicapped person finds the lifting and lowering of the seat plate on the Backrest holds securely and he can backrest with a simple one Release the trigger stroke for lowering to the flat position by holding the backrest swings slightly forward until the runner on the swivel arm locks the backstop happened. This release stroke of the backrest is particularly easy to carry out, if there is an additional, forward-facing control lever on the backrest is provided so that it is only pushed down by the disabled person needs. This operating lever is preferably on the side of the backrest pivotally attached, so that it is only when needed forward to its functional position is swung out to a stop, but otherwise behind the front surface of the Backrest is hidden in a rest position.
Anhand der Zeichnung wird die Erfindung beispielsweise näher erläutert. The invention is explained in more detail, for example, with reference to the drawing.
Es zeigt:
Die Hauptbestandteile eines Badelifters gemäß FIG. 1 sind ein Bodenrahmen 12 eine
Sitzplatte 14, ein Führungsgestell 16 und ein, mit Druckwasser füllbarer Hubschlauch
18. Auf der Sitzplatte 14 ist eine Rückenstütze 20 lösbar zu befestigen. Die
Rückenstütze 20 weist eine Bodenplatte 22 auf, die zur Auflage auf der Sitzplatte 14
dient und in ihrem vorderen Bereich eine Rückenlehne 24 um eine erste Querachse 26
schwenkbar lagert. Ein plattenförmiger Schwenkarm 28 ist um eine zweite Querachse
30 im hinteren Bereich der Bodenplatte 22 schwenkbar gelagert und greift mit zwei
koaxialen, außenseitig vorstehenden Bolzen 32 jeweils in Nutenbahnen 34 ein, die
innenseitig an zwei Wandstegen 36 ausgebildet sind, die ihrerseits an der Rückseite der
Rückenlehne 24 angeformt oder befestigt sind.The main components of a bath lifter according to FIG. 1 are a floor frame 12 a
Die Nutenbahn 34 hat gemäß FIG. 3 einen gestuften Querschnitt, wobei ein Absatz 38
gebildet wird, an den sich ein vertiefter Bereich anschließt, der den Nutboden 40 bildet.
Der Läufer 32 weist eine Hülse 42 auf, die seitlich aus dem plattenförmigen
Schwenkarm 28 vorsteht und bis zum Absatz 38 in die Nutenbahn 34 eingreift. In der
Hülse 42 ist ein Bolzen 44 verschiebbar gelagert, der von einer Schraubendruckfeder 46
nach außer gedrückt wird und mit seiner Stirnfläche am Nutboden 40 im vertieften
Nutbereich anliegt.The
Die Nutenbahn 34 weist einen ersten langen Bahnabschnitt 48 auf, der sich im
wesentlichen längs der Rückenlehne 24 erstreckt und zwar dicht benachbart und
parallel zur Rückseite der Rückenlehne. Dieser lange Bahnabschnitt 48 ist unten etwas
nach hinten abgewinkelt, um Raum für einen rechtwinklig anschließenden kurzen
Endabschnitt 50 zu schaffen. Dieser Endabschnitt 50 mündet in einem
Verbindungsbahnabschnitt 52, der mit dem abgewinkelten Ende 50 des langen
Bahnabschnittes 48 einen Winkel von etwa 45 ° bildet. Dieser
Verbindungsbahnabschnitt 52 mündet seinerseits an dem von der Rückenlehne 24
abgewandten Ende in einem Umgehungsbahnabschnitt 54, der sich abgesehen von
leichten Krümmungen längs des langen Bahnabschnittes 48 erstreckt und spitzwinklig
in diesen einmündet. Am Ende jedes Bahnabschnittes, nämlich dort, wo dieser in den
nächsten Bahnabschnitt mündet, ist eine Rücklaufsperre 56 vorgesehen, die aus einem
Absatz 58 besteht, der bis auf den Nutboden 40 reicht und dem eine Rampe 60
vorgeschaltet ist.The
Beim Hochschwenken der Rückenlehne 24 aus der in FIG. 9 gestrichelt dargestellten
Flachstellung gleiten die beiden Läufer 32 in den langen Bahnabschnitten 48 der beiden
Nutenanordnungen 34 abwärts. Im Bereich der Rampe 60 vor der ersten Rücklaufsperre
56 schiebt sich der Bolzen 44 in der Hülse 42 nach innen und rastet dann hinter dem
Absatz 58 in den vertieften Bereich des abgewinkelten Endabschnittes 50 ein. Ein
weiteres Aufwärtsschenken der Rückenlehne 24 wird dadurch verhindert. Durch
leichtes Rückwärtsschwenken der Rückenlehne 24 gelangen die Läufer 32 nach
Überwindung der zweiten Rücklaufsperre 56 an das obere Ende des
Verbindungsbahnabschnittes 52. Damit ist die Steilstellung der Rückenlehne 24
definiert. Um die Rückenlehne 24 in die Flachstellung zurückzuschwenken muß sie
zuerst einen Auslöse-Schwenkhub nach vorn ausführen. Dadurch gelangen die beiden
Läufer 32 an das untere Ende des Verbindungsbahnabschnittes 52 und nach
Überwindung der dritten Rücklaufsperre 56 in den Anfang des
Umgehungsbahnabschnittes 54. Damit ist der nach vorn gerichtete Auslösehub der
Rückenlehne 24 begrenzt. Anschließend kann nun die Rückenlehne nach hinten
geschwenkt werden, wobei die Läufer 32 in dem Umgehungsbahnabschnitt 54 nach
oben und nach Überwindung der vierten Rücklaufsperre 56 in den langen Bahnabschnitt
48 hinein und in diesem nach oben gleiten.When swiveling the
Wesentlich ist, daß keiner der Bahnabschnitte 48, 50, 52, 54 auch nur bereichsweise
sich rechtwinklig zum Schwenkarm 28 erstreckt, wenn dessen Läufer 32 sich in diesen
jeweiligen Bereichen befinden. Für das untere Ende des Umgehungsbahnabschnittes 54
gemäß FIG. 4 würde also gelten, daß der Schwenkarm 28 sehr steil stehen müßte. Bei
größeren Abständen zwischen den beiden Querachsen 26, 30 und der damit
verbundenen flacheren Stellung des Schwenkarmes 28, wenn dessen Läufer 32 sich
am unteren Ende des Umgehungsbahnabschnittes 54 befinden, muß der
Umgehungsbahnabschnitt 54 wenigstens an seinem unteren Ende steiler, also fast
parallel zur Rückenlehne 24 verlaufen, da in jedem Fall ein stumpfer Winkel zwischen
dem Schwenkarm 28 und dem Umgehungsbahnabschnitt 54 vorhanden sein muß, um
eine Selbstsperrung zu verhindern. It is essential that none of the
Es versteht sich, daß nicht - wie dargestellt - an jeder Mündungsstelle eine
Rücklaufsperre 56 vorgesehen sein muß. Der plattenförmige Schwenkarm 28 hat schon
aufgrund seiner Schwerkraft eine Schwenktendenz in Richtung der Rückenlehne, wenn
sich die Läufer 32 im unteren Bereich des langen Bahnabschnittes 48 befinden. Wenn
der Schwenkarm 28 zusätzlich mit einer Rückstellfeder ausgestattet ist, die ein in
derselben Richtung wie die Schwerkraft wirkendes Schwenkmoment ausübt, könnten
die ersten Rücklaufsperren 56 an den Enden der Bahnabschnitte 48 und 50 sowie 54
entfallen. Lediglich die Rücklaufsperre 56 an der Mündungsstelle des
Verbindungsbahnabschnittes 52 in den Umgehungsbahnabschnitt 54 ist zwingend.It is understood that not - as shown - at each
Die Figuren 7 und 8 zeigen eine etwas abgewandelte Nutenbahn 34, bei der der lange
Bahnabschnitt 48 ohne den abgewinkelten Endabschnitt 50 direkt in den
Verbindungsbahnabschnitt 52 mündelt. Die Nutenbahn 34 ist dadurch etwas einfacher,
was aber eine gewisse Komforteinbuße mit sich bringt, denn beim Hochschwenken der
Rückenlehne 24 wird diese nicht mehr automatisch gestoppt, sondern könnte weiter
aufwärts geschwenkt werden bis der Läufer 32 in den Umgehungsbahnabschnitt 54
gelangt. Dies läßt sich aber leicht verhindern, da bei Überwindung der Rücklaufsperre
56 am Ende des langen Bahnabschnittes 48 die Bolzen 44 der Läufer 32 mit hörbarem
Klicken in die Nutvertiefungen einrasten. Dem Benutzer wird also akustisch das Ende
der Hochschwenkbewegung der Rückenlehne 24 gemeldet, so daß durch sofortiges
Zurückschwenken die Läufer in den Verlängerungsabschnitt des Verbindungsbahnabschnittes
52 nach oben gleiten. Dieser mit 52 ' bezeichnete Verlängerungsabschnitt
dient der Sicherheit, um bei geringfügiger Verschwenkung der Rückenlehne 24 den
Schwenkarm 26 nicht unabsichtlich in Freigabestellung zu bringen.Figures 7 and 8 show a slightly modified
Claims (10)
- Back support for bath tub lifts which have a bottom frame (10), a seat (14) and a lifting frame (16) disposed in between and comprising a lifting arrangement (18), the back support (20) comprising a bottom element (22) to be placed and arrested on the seat (14) and on which a backrest (24) is mounted for pivoting about a first transverse axis (26) from a steep position backwards and downwards into a flat position and supported by at least one supporting member (28) which is mounted on the bottom element (22) and rests on a wall rib (36) that stands out from the rear of the backrest (24), characterized in that the wall rib (36) is disposed on a vertical plane perpendicular to the backrest and comprises a guide path (34), with which engages a slide (32) disposed at the upper end of the supporting member (28) that is designed as a pivot arm, and in that the supporting member (28) is mounted on the bottom element (22) for pivoting about a second transverse axis (30) which is spaced from the first transverse axis (26), and in that the guide path (34) has a long path section (48) which extends at least approximately upwards along the backrest (24) and which comprises a lower portion, at the lower end of which a first mouth is formed, into which runs a connecting section (52), which, at a second mouth, passes into a bypass section (54), which again runs into a third mouth at the upper end of the lower portion of the long path section (48), so that the lower portion of the long path section (48), the connecting section (52) and the bypass section (54) form a loop, and in that a return stop (56) is allocated to at least one of the mouths so that, when the backrest (24) is pivoted upwards, the pivot aim (28) pivots upwards and forwards, its slide (32) moving downwards in the long path section (48) of the guide path (34) until it arrives in the connecting section (52), the backrest (24) thus being supported in the steep position by the pivot arm (28), a short forward pivoting and lifting motion of the backrest (24) being performed for the latter to be transferred into the flat position, as a result of which the slide (32) arrives at the rear end of the connecting section (52) where it moves into the bypass section (54) after having overcome the return stop (56), the slide (32), in this case, having run through the bypass section (54) and at the latter's upper mouth, again entering the oblong path section (48).
- Back support according to claim 1, characterized in that several mouths each are provided with a return stop (56).
- Back support according to claim 2, characterized in that the slide (32) comprises a bolt (44) which is actuated by a compression spring (46), and in that the guide path (34) is a groove arrangement, and in that the return stop (56) is a shoulder (58) ending on the groove bottom (40).
- Back support according to claim 3, characterized in that the groove bottoms (40) of the major part of the groove arrangement (34) are on a common plane, in that each shoulder (58) is topped by an acclivity (60) and in that the shoulder (58) adjoins, and is flush with, at least one side of an adjoining groove path section (48, 50, 52, 54).
- Back support according to claim 1, characterized in that with the slide (32) situated in the connecting section (52), the ends of the connecting section (52) form a straight line which combines with the longitudinal center line of the supporting member (28) to enclose an angle of 45° at most.
- Back support according to claim 1, characterized in that lower portion of the long path section (48) runs into a short end section (50) that is angled towards the backrest (24), and in that a first return stop (56) is allocated to this mouth, and in that this end section (50) again runs at an angle into the connecting section (52), and in that a return stop (56) is allocated to this further mouth.
- Back support according to claim 1, characterized in that the tangent drawn on the bypass section (54) where it runs into the connecting section (52) combines with the longitudinal extension of the supporting member to form an angle greater than 90° when the slide (32) is positioned at this mouth.
- Back support according to claim 1, characterized in that the supporting member (28) is a plate which is disposed on a transverse plane and on each of the sides of which turned away from each other a slide (32) is provided, in that both slides (32) are coaxial and engage with a guide path (34) of a wall rib (36) of the backrest (24).
- Back support according to claim 3, characterized in that the bolt (44) is displaceably housed in a sleeve (42) which is inserted in the supporting member (28), the sleeve (42) projecting over the supporting member (28) and engaging with the groove arrangement (34), in that the latter, in a cross-sectional view, has a shoulder (38) with a central deepened groove section which forms the groove bottom (40) and with which engages the bolt (44).
- Back support according to claim 1, characterized in that the supporting member (28) or the backrest (24) in its flat position are prestressed by a spring which, upon release of the backrest (24), pivots the latter upwards in the direction of its steep position.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT96104024T ATE166570T1 (en) | 1996-03-14 | 1996-03-14 | BACK SUPPORT FOR BATH LIFT |
DE59600230T DE59600230D1 (en) | 1996-03-14 | 1996-03-14 | Back support for bath lifts |
EP96104024A EP0795309B1 (en) | 1996-03-14 | 1996-03-14 | Backrest for bath tub lift |
JP8299517A JPH09253140A (en) | 1996-03-14 | 1996-10-23 | Back support device for lift for bathroom |
CA002192519A CA2192519A1 (en) | 1996-03-14 | 1996-12-10 | Back support for bath lifts |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP96104024A EP0795309B1 (en) | 1996-03-14 | 1996-03-14 | Backrest for bath tub lift |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0795309A1 EP0795309A1 (en) | 1997-09-17 |
EP0795309B1 true EP0795309B1 (en) | 1998-05-27 |
Family
ID=8222565
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96104024A Expired - Lifetime EP0795309B1 (en) | 1996-03-14 | 1996-03-14 | Backrest for bath tub lift |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0795309B1 (en) |
JP (1) | JPH09253140A (en) |
AT (1) | ATE166570T1 (en) |
CA (1) | CA2192519A1 (en) |
DE (1) | DE59600230D1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114227571B (en) * | 2021-12-23 | 2023-06-02 | 中国航发哈尔滨东安发动机有限公司 | General frock of belleville spring stabilization treatment |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB163833A (en) * | 1920-03-05 | 1921-06-02 | John Charles Hare | Improvements in and connected with adjustable backed chairs couches and similar articles of furniture |
CH190681A (en) * | 1935-09-06 | 1937-05-15 | Peters Hugo | Armchair. |
US2705042A (en) * | 1953-07-14 | 1955-03-29 | C F Streit Mfg Company | Adjustable reclining chair |
DE3821192A1 (en) * | 1988-06-23 | 1989-12-28 | Peter Schmidt | BACKREST FOR SEAT OR LYING PANELS |
DE4222939C1 (en) * | 1992-07-11 | 1993-07-22 | Meyra Wilhelm Meyer Gmbh & Co Kg, 4925 Kalletal, De | |
DE59205324D1 (en) * | 1992-12-29 | 1996-03-21 | Schmidt & Lenhardt Gmbh & Co | Back support for lift devices that can be used in bathtubs |
-
1996
- 1996-03-14 EP EP96104024A patent/EP0795309B1/en not_active Expired - Lifetime
- 1996-03-14 AT AT96104024T patent/ATE166570T1/en not_active IP Right Cessation
- 1996-03-14 DE DE59600230T patent/DE59600230D1/en not_active Expired - Fee Related
- 1996-10-23 JP JP8299517A patent/JPH09253140A/en active Pending
- 1996-12-10 CA CA002192519A patent/CA2192519A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
DE59600230D1 (en) | 1998-07-02 |
ATE166570T1 (en) | 1998-06-15 |
CA2192519A1 (en) | 1997-09-15 |
EP0795309A1 (en) | 1997-09-17 |
JPH09253140A (en) | 1997-09-30 |
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