EP1613195B1 - Adjustable lounger or bed - Google Patents

Adjustable lounger or bed Download PDF

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Publication number
EP1613195B1
EP1613195B1 EP03775292A EP03775292A EP1613195B1 EP 1613195 B1 EP1613195 B1 EP 1613195B1 EP 03775292 A EP03775292 A EP 03775292A EP 03775292 A EP03775292 A EP 03775292A EP 1613195 B1 EP1613195 B1 EP 1613195B1
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EP
European Patent Office
Prior art keywords
recliner
pivoting
parts
adjustment
bed according
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Expired - Lifetime
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EP03775292A
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German (de)
French (fr)
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EP1613195A1 (en
Inventor
Fried-Jan Unger
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Phi-ton Holding BV
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Phi-ton Holding BV
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Publication of EP1613195A1 publication Critical patent/EP1613195A1/en
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C20/00—Head -, foot -, or like rests for beds, sofas or the like
    • A47C20/04—Head -, foot -, or like rests for beds, sofas or the like with adjustable inclination
    • A47C20/041—Head -, foot -, or like rests for beds, sofas or the like with adjustable inclination by electric motors

Definitions

  • the invention relates to an adjustable bed or bed.
  • Such couches are well known.
  • the beds are preferably divided into several sections which are pivotally connected to each other. The parts are pivoted against each other and / or against the ground. Furthermore, at least one lock for the moving parts in the respective pivot position belongs to the adjustment.
  • couches are known, which are provided at different parts at the same time with a motorized adjustment. The motorized adjustment allows adjustment while lying down to any desired position. Without motor adjustment, most people are forced to approach the optimal position in multiple trials. It must be gotten up several times, carried out an adjustment and again the prone position be taken. With motorized adjustment, this is unnecessary.
  • the comfort of a motorized adjustment is regarded as considerable.
  • the known couches have pivoting parts for the upper body adjustment and leg adjustment. In some cases, couches are also known with pivoting parts for the head adjustment and the foot adjustment. Also known is the use of separate adjustment for each pivotable part or, of adjusting motors as adjusting. The independent adjustment allow the user an individual adjustment of the bed.
  • a couch with motorized adjustment is known from DE 19903112 A1. There, an upper body adjustment and a leg adjustment, each with an adjusting motor is provided.
  • a recliner with motorized adjustment is also known from US-A-6343392.
  • an upper body adjustment and a leg adjustment each with an adjusting motor, are provided.
  • a head adjustment and a Foot adjustment provided, however, the head adjustment and the leg adjustment are derived by a movement mechanism of the pivotal position of the pivoting parts for the upper body adjustment and the leg adjustment.
  • a recliner with motorized adjustment is also known from US-A-4258445. There, various possibilities are shown, as with a mechanism different reclining positions and seating positions can be achieved. In addition, an embodiment with pivoting parts as shown in US-A6343392 are shown. However, further solutions are not apparent that would be relevant here.
  • a couch with motorized adjustment is known from US-A-4407030.
  • the well-known lounger has several pivoting parts that are moved by adjusting motors.
  • This document expressly refers to the risk of injury to the user. In this case, the risk of injury is to be prevented by sensors that react when a user with his hands or feet accidentally engages in the mechanics. The document overlooks that there is another risk of injury. Users can fold themselves dangerously with the various independent adjusting motors or bring them into another dangerous position.
  • the motorized adjustment also involves a risk of injury. This is especially true when the couch consists of a seat part and adjustable upper body parts and leg parts fastened thereto. If both parts are adjusted by a person lying against each other, the person lying on can be clamped between the two parts. On other couches there is a risk of injury to the feet, because the feet can be clamped under the footboard.
  • the invention also has the task of eliminating the risk of injury from dangerous pivotal actions.
  • this is achieved in that at least for each pivotable part, from which a risk of injury emanates, a separate adjusting motor is provided and that for each adjusting motor, a travel limit is provided with respect to the adjacent couch part.
  • a computer is provided according to the inventor, which blocks the further movement upon reaching a dangerous pivotal position. This will be Ensure that adjacent couch parts do not overly approach each other and cause a risk of injury.
  • the benefits are particularly important for loungers with a upper body part and a separate leg part.
  • a travel limit for the leg part and the foot part is provided, so that a jamming of the feet between the foot part and the ground is prevented.
  • the control of the pivoting parts of a couch is known per se from DE4305939 A1.
  • a control unit with Weggebem, for example, analog transmitter is provided.
  • the analogue encoder signals are fed via lines to the control unit.
  • the control unit acts on the variable speed motors via lines with current pulses.
  • the control unit is provided in one embodiment with a process computer and memory. However, the control only serves to implement a desired movement and to carry out a test movement of the pivoting parts at the end of the production of a couch. Prevention of the dangerous pivoting movements described above is not provided.
  • adjustable motors are provided with self-locking and / or with locking.
  • the self-locking arises, for example, by using a gear with a spindle or a threaded rod.
  • a mother can sit on the spindle or threaded rod. It may be rotatably arranged, the spindle or the threaded rod and / or the nut. With the spindle can also interact a gear.
  • at least the spindle or the threaded rod is provided with a drive motor.
  • the self-locking of the spindle or threaded rod is the stronger, the lower the pitch of the spindle or the pitch of the thread on the threaded rod.
  • a mechanical and / or electronic or electrical locking can be provided.
  • a motor locking is provided.
  • the spindle or the threaded rod and / or the nut are provided with a drive motor.
  • the drive motors can also have a lock at the same time.
  • stepper motors are available in the trade with locking in the respective step position.
  • FIGS. 1 to 4 show a couch with a seat part 1, a leg part 4, a foot part 5, a upper body part 2 and a head part 2.
  • the different parts are hinged together.
  • the joints are provided in the embodiment conventional hinges with interlocking movable parts which are interconnected by a hinge pin.
  • optional flexible parts made of plastic or spring steel sheets are provided as hinges.
  • the seat part 1 is also firmly connected to a fixed substructure.
  • the fixed substructure has salient feet 6 made of aluminum profile. To reduce the weight of a hole profile is provided.
  • two spaced-apart profiles are provided with an arcuate curvature.
  • the bow has its biggest bulge in the.
  • Parts 1, 2 and 3 are provided with parts 10 and 11. These parts form stiffeners and bearing brackets for articulated connection of electric lifting motors 9. On the foot part 5 and the head part 3 bearing brackets are also provided, which are not shown in the embodiment.
  • the lifting motors have a spindle 12 which can be extended by rotation out of the housing and retracted again.
  • the spindles 12 are hinged at the head to the opposite part 10, which forms a bearing bracket.
  • a hinged connection with the parts 10 and 11 is provided. All lifting motors are electric stepper motors, which are locked in the respective step position.
  • the Hubmotore are provided with a swivel limitation.
  • the swivel limitation is carried out in the embodiment by means of a computer, wherein the step position is recorded and the pivot position is determined from the respective step position. This can be done empirically or based on the existing geometry of the parts that are involved in the pivoting movement. In the empirical determination, the pivot position is measured, which belongs to each step position. By comparing to everyone Pivoting position associated data, the further extension of a lifting motor or the further retraction of a lifting motor and excessive approach of the moving parts or excessive moving apart of the moving parts can be prevented.
  • the computer acts in the exemplary embodiment of the control for the Hubmotore so that the Hubmotore can only be moved in innocuous direction, as can be retracted or extended in harmless direction.
  • the Hubmotore are designed in the exemplary embodiment so that it is possible in any position of the parts 1 to 5 an adjustment against a point load at the respective remote end of the parts. As a result, even extremely heavy people can sit or lie anywhere on the bed and still carried out a motorized adjustment of the bed.
  • a design is provided to 200 kg, provided in other embodiments, a design to only 100 kg. Regardless of the question of adjusting the parts 1 to 5 and the adjustment mechanism are designed so that existing load is maintained. This also includes the design of the substructure, both in terms of strength and in terms of tipping safety.
  • the Hubmotore 8 and 9 are arranged at a small distance from the parts 1 to 5 so that the Hubmotore lie in a side view of the couch substantially in a line one behind the other, wherein the line in Fig. 4 is approximately parallel to the contour of the couch support surface and wherein the line in the backrest positions according to FIG. 1 to 3 of the contour of the couch support surface is adapted, that is, has substantially the same contour.
  • the term "substantially equal” includes deviations of a Hubmotorlticiansachse up to 20 degrees from the parallels to the nearest lying part or the support surface of the nearest lying part.
  • the distance of the lifting motors 8 and 9 is in the exemplary embodiment 15 cm, in other embodiments to 20 cm or 30 cm.
  • the described construction gives the adjustment mechanism a favorable ground clearance and reduces the risk of injury. This prevents a user from getting into the adjustment mechanism with his or her feet.
  • the adjustment mechanism is also centrally located under the couch, so that the adjustment mechanism is inaccessible to the user's hands and injury to the user is prevented on the hands.
  • mattress-shaped pad on the parts 1 to 5 and the upholstery and the mechanism of the lounger spans with a cushion cover, not shown. That also contributes to safety.
  • the pad encloses the parts 1 to 5 and their adjustment.
  • the further pivotal movement of the parts 2 and 4 is blocked in the embodiment when the parts include a pivot angle of less than 70 degrees between them.
  • the position is shown in FIGS. 1 and 2.
  • a smaller or greater included angle is selected as the threshold.
  • the foot part 5 is horizontal.
  • the computer and the controller prevent in the same way as described above, that the foot part 5 comes into contact with the ground.
  • a safety distance between the end of the foot part 5 and the ground is still provided, so that accidentally under the foot part 5 advised foot is not injured.
  • Fig. 3 shows a position in which both parts 4 and 5 are horizontal.
  • Fig. 4 shows a position in which all parts 1 to 5 are horizontal.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Nursing (AREA)
  • Invalid Beds And Related Equipment (AREA)
  • Mattresses And Other Support Structures For Chairs And Beds (AREA)
  • Special Chairs (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
  • Paper (AREA)
  • Vibration Prevention Devices (AREA)

Abstract

The invention relates to loungers or beds consisting of pivoting elements and comprising a motor drive for adjusting their position. To prevent injury to users caused by improper adjustment, the pivoting movements are restricted.

Description

Die Erfindung betrifft eine verstellbare Liege oder Bett. Im weiteren wird nur von Liege gesprochen. Das schließt nach der Erfindung das Bett ein.
Solche Liegen sind hinlänglich bekannt. Zur Verstellung der Liegen sind die Liegen vorzugsweise in mehrere Abschnitte unterteilt, die schwenkbeweglich miteinander verbunden sind. Die Teile werden gegeneinander und/oder gegen den Untergrund verschwenkt.
Ferner gehört zur Verstellung zumindest eine Arretierung für die beweglichen Teile in der jeweiligen Schwenkstellung.
Darüber hinaus sind Liegen bekannt, die an verschiedenen Teilen zugleich mit einer motorischen Verstellung versehen sind. Die motorische Verstellung erlaubt eine Verstellung während des Liegens bis in jede gewünschte Position. Ohne motorische Verstellung sind die meisten Personen gezwungen, sich der optimalen Position in mehreren Versuchen zu nähern. Dabei muß mehrmals aufgestanden werden, eine Verstellung erfolgen und wieder die Liegendstellung eingenommen werden.
Bei motorischer Verstellung erübrigt sich das. Der Komfort einer motorischen Verstellung wird als beträchtlich angesehen.
Die bekannten Liegen besitzen schwenkbewegliche Teile für die Oberkörperverstellung und für die Beinverstellung. Zum Teil sind auch Liegen bekannt mit schwenkbeweglichen Teilen für die Kopfverstellung und für die Fußverstellung.
Bekannt ist auch die Verwendung von separaten Verstelleinrichtungen für jedes schwenkbewegliche Teil bzw, von Verstellmotoren als Verstelleinrichtungen.
Die unabhängigen Verstelleinrichtungen erlauben dem Benutzer eine individuelle Einstellung der Liege.The invention relates to an adjustable bed or bed. In the following we only talk about Liege. This includes the bed according to the invention.
Such couches are well known. To adjust the beds, the beds are preferably divided into several sections which are pivotally connected to each other. The parts are pivoted against each other and / or against the ground.
Furthermore, at least one lock for the moving parts in the respective pivot position belongs to the adjustment.
In addition, couches are known, which are provided at different parts at the same time with a motorized adjustment. The motorized adjustment allows adjustment while lying down to any desired position. Without motor adjustment, most people are forced to approach the optimal position in multiple trials. It must be gotten up several times, carried out an adjustment and again the prone position be taken.
With motorized adjustment, this is unnecessary. The comfort of a motorized adjustment is regarded as considerable.
The known couches have pivoting parts for the upper body adjustment and leg adjustment. In some cases, couches are also known with pivoting parts for the head adjustment and the foot adjustment.
Also known is the use of separate adjustment for each pivotable part or, of adjusting motors as adjusting.
The independent adjustment allow the user an individual adjustment of the bed.

Eine Liege mit motorischer Verstellung ist aus der DE 19903112 A1 bekannt. Dort ist eine Oberkörperverstellung und eine Beinverstellung mit jeweils einem Verstellmotor vorgesehen.A couch with motorized adjustment is known from DE 19903112 A1. There, an upper body adjustment and a leg adjustment, each with an adjusting motor is provided.

Eine Liege mit motorischer Verstellung ist auch aus der US-A-6343392 bekannt. Dort ist wie bei der DE19903112 A1 eine Oberkörperverstellung und eine Beinverstellung mit jeweils einem Verstellmotor vorgesehen. Darüber hinaus ist auch eine Kopfverstellung und eine Fußverstellung vorgesehen, jedoch sind die Kopfverstellung und die Beinverstellung durch eine Bewegungsmechanik von der Schwenkstellung der schwenkbeweglichen Teile für die Oberkörperverstellung und die Beinverstellung abgeleitet.A recliner with motorized adjustment is also known from US-A-6343392. There, as in DE19903112 A1, an upper body adjustment and a leg adjustment, each with an adjusting motor, are provided. In addition, also a head adjustment and a Foot adjustment provided, however, the head adjustment and the leg adjustment are derived by a movement mechanism of the pivotal position of the pivoting parts for the upper body adjustment and the leg adjustment.

Eine Liege mit motorischer Verstellung ist ferner aus der US-A-4258445 bekannt. Dort sind verschiedene Möglichkeiten aufgezeigt, wie mit einer Mechanik unterschiedliche Liegestellungen und Sitzstellungen erreichbar sind. Darüber hinaus sind eine Ausführungsbeispiele mit schwenkbeweglichen Teilen wie bei der US-A6343392 gezeigt. Weitergehende Lösungen sind jedoch nicht erkennbar, die hier relevant wären.A recliner with motorized adjustment is also known from US-A-4258445. There, various possibilities are shown, as with a mechanism different reclining positions and seating positions can be achieved. In addition, an embodiment with pivoting parts as shown in US-A6343392 are shown. However, further solutions are not apparent that would be relevant here.

Eine Liege mit motorischer Verstellung ist aus der US-A-4407030 bekannt.
Die bekannte Liege besitzt mehrere schwenkbewegliche Teile, die durch Verstellmotore bewegt werden. Diese Druckschrift weist ausdrücklich auf die Verletzungsgefahr für den Benutzer hin. Dabei soll die Verletzungsgefahr durch Sensoren verhindert werden, welche reagieren, wenn ein Benutzer mit seinen Händen oder Füßen aus Versehen in die Mechanik greift. Die Druckschrift übersieht, daß noch eine andere Verletzungsgefahr besteht. Die Benutzer können sich mit den verschiedenen unabhängigen Verstellmotoren gefährlich zusammenfalten oder in eine andere gefährliche Lage bringen.A couch with motorized adjustment is known from US-A-4407030.
The well-known lounger has several pivoting parts that are moved by adjusting motors. This document expressly refers to the risk of injury to the user. In this case, the risk of injury is to be prevented by sensors that react when a user with his hands or feet accidentally engages in the mechanics. The document overlooks that there is another risk of injury. Users can fold themselves dangerously with the various independent adjusting motors or bring them into another dangerous position.

Die motorische Verstellung beinhaltet zugleich eine Verletzungsgefahr. Das gilt besonders, wenn die Liege aus einem Sitzteil und daran verstellbar befestigten Oberkörpertcilen und Beinteilen besteht. Wenn beide Teile von einer aufliegenden Person gegeneinander verstellt werden, kann die aufliegende Person zwischen beiden Teilen geklemmt werden.
An anderen Liegen besteht eine Verletzungsgefahr für die Füße, weil die Fuße unter dem Fußteil geklemmt werden können.The motorized adjustment also involves a risk of injury. This is especially true when the couch consists of a seat part and adjustable upper body parts and leg parts fastened thereto. If both parts are adjusted by a person lying against each other, the person lying on can be clamped between the two parts.
On other couches there is a risk of injury to the feet, because the feet can be clamped under the footboard.

Die Erfindung hat sich auch die Aufgabe gestellt, die Verletzungsgefahr aus gefährlichen Schwenklagen zu beseitigen.The invention also has the task of eliminating the risk of injury from dangerous pivotal actions.

Nach der Erfindung wird das dadurch erreicht, daß zumindest zu jedem schwenkbeweglich Teil, von dem eine Verletzungsgefahr ausgeht, ein separater Verstellmotor vorgesehen ist und daß zu jedern Verstellmotor eine Wegbegrenzung gegenüber dem benachbarten Liegenteil vorgesehen ist. Als Wegbegrenzer ist nach der Erfinder ein Rechner vorgesehen, welcher bei Erreichen einer gefährlichen Schwenklage die weitere Bewegung blockiert. Damit wird sichergestellt, daß sich benachbarte Liegenteile einander nicht übermäßig annähern und dadurch eine Verletzungsgefahr verursachen. Die Vorteile sind besonders für Liegen mit einem Oberkörperteil und einem separaten Beinteil wichtig.
Zusätzlich ist vorzugsweise eine Wegbegrenzung für das Beinteil und das Fußteil vorgesehen, so daß ein Klemmen der Füße zwischen dem Fußteil und dem Untergrund verhindert wird.According to the invention this is achieved in that at least for each pivotable part, from which a risk of injury emanates, a separate adjusting motor is provided and that for each adjusting motor, a travel limit is provided with respect to the adjacent couch part. As Wegbegrenzer a computer is provided according to the inventor, which blocks the further movement upon reaching a dangerous pivotal position. This will be Ensure that adjacent couch parts do not overly approach each other and cause a risk of injury. The benefits are particularly important for loungers with a upper body part and a separate leg part.
In addition, preferably a travel limit for the leg part and the foot part is provided, so that a jamming of the feet between the foot part and the ground is prevented.

Die Steuerung der schwenkbeweglichen Teile einer Liege ist aus der DE4305939 A 1 zwar an sich bekannt. Dabei ist eine Steuereinheit mit Weggebem, zum Beispiel Analoggeber vorgesehen. Die Signale der Analoggeber werden über Leitungen den Steuereinheit zugeführt. Die Steuereinheit beaufschlagt die Verstellmotore über Leitungen mit Stromimpulsen.
Die Steuereinheit ist in einem Ausführungsbeispiel mit einem Prozeßrechner und Speicher versehen. Jedoch dient die Steuerung nur der Umsetzung einer gewünschten Bewegung und der Durchführungen einer Testbewegung der schwenkbeweglichen Teile am Ende der Fertigung einer Liege. Eine Verhinderung der oben beschriebenen gefährlichen Schwenkbewegungen ist nicht vorgesehen.The control of the pivoting parts of a couch is known per se from DE4305939 A1. In this case, a control unit with Weggebem, for example, analog transmitter is provided. The analogue encoder signals are fed via lines to the control unit. The control unit acts on the variable speed motors via lines with current pulses.
The control unit is provided in one embodiment with a process computer and memory. However, the control only serves to implement a desired movement and to carry out a test movement of the pivoting parts at the end of the production of a couch. Prevention of the dangerous pivoting movements described above is not provided.

Vorzugweise sind Verstellmotore mit Selbsthemmung und/oder mit Arretierung vorgesehen. Die Selbsthemmung entsteht z.B. durch Verwendung eines Getriebes mit einer Spindel oder einer Gewindestange. Dabei kann auf der Spindel oder Gewindestange z.B. eine Mutter sitzen. Es können die Spindel bzw. die Gewindestange und/oder die Mutter drehbeweglich angeordnet sein. Mit der Spindel kann auch ein Zahnrad zusammenwirken. Im Falle der Verwendung eines Zahnrades ist zumindest die Spindel bzw. die Gewindestange mit einem Antriebsmotor versehen. Die Selbsthemmung der Spindel bzw. Gewindestange ist um so stärker, je geringer die Steigung der Spindel bzw. die Steigung des Gewindes auf der Gewindestange ist.
Anstelle der Selbsthemmung oder zusätzlich kann auch eine mechanische und/oder elektronische bzw. elektrische Arretierung vorgesehen sein. Vorzugsweise ist eine motorische Arretierung vorgesehen.Preferably, adjustable motors are provided with self-locking and / or with locking. The self-locking arises, for example, by using a gear with a spindle or a threaded rod. In this case, for example, a mother can sit on the spindle or threaded rod. It may be rotatably arranged, the spindle or the threaded rod and / or the nut. With the spindle can also interact a gear. In the case of using a gear, at least the spindle or the threaded rod is provided with a drive motor. The self-locking of the spindle or threaded rod is the stronger, the lower the pitch of the spindle or the pitch of the thread on the threaded rod.
Instead of self-locking or in addition, a mechanical and / or electronic or electrical locking can be provided. Preferably, a motor locking is provided.

Wahlweise sind die Spindel bzw. die Gewindestange und/oder die Mutter mit einem Antriebsmotor versehen. Die Antriebsmotore können zugleich eine Arretierung besitzen. Günstig sind Schrittmotore. Schrittmotore sind im Handel mit Arretierung in der jeweiligen Schrittstellung verfügbar.Optionally, the spindle or the threaded rod and / or the nut are provided with a drive motor. The drive motors can also have a lock at the same time. Favorable are stepper motors. Stepper motors are available in the trade with locking in the respective step position.

In der Zeichnung ist ein Ausführungsbeispiel der Erfindung dargestellt.In the drawing, an embodiment of the invention is shown.

Fig. 1 bis 4 zeigen eine Liege mit einem Sitzteil 1, einem Beinteil 4, einem Fußteil 5, einem Oberkörperteil 2 und einem Kopfteil2. Die verschiedenen Teile sind gelenkig miteinander verbunden. Die Gelenke sind im Ausführungsbeispiel herkömmliche Scharniere mit ineinandergreifenden beweglichen Teilen vorgesehen, die durch einen Scharnierbolzen miteinander verbunden sind. In anderen Ausführungsbeispielen sind wahlweise flexible Teile aus Kunststoff oder Federblech als Scharniere vorgesehen.FIGS. 1 to 4 show a couch with a seat part 1, a leg part 4, a foot part 5, a upper body part 2 and a head part 2. The different parts are hinged together. The joints are provided in the embodiment conventional hinges with interlocking movable parts which are interconnected by a hinge pin. In other embodiments, optional flexible parts made of plastic or spring steel sheets are provided as hinges.

Das Sitzteil 1 ist zugleich fest mit einer festen Unterkonstruktion verbunden. Die feste Unterkonstruktion besitzt ausschweifende Füße 6 aus Aluminiumprofil. Zur Verringerung des Gewichts ist ein Lochprofil vorgesehen. Im Ausführungsbeispiel sind zwei im Abstand voneinander angeordnete Profile mit einer bogenförmigen Wölbung vorgesehen. Der Bogen hat sein größte Auswölbung im. Berührungsbereich mit dem Sitzteil 1. Zu den Enden der Liege hin schwingt der Bogen ab, bis die Profile mit dem Untergrund Berührung finden. Zugleich ist zu den Enden hin eine Verjüngung der Profile vorgesehen.The seat part 1 is also firmly connected to a fixed substructure. The fixed substructure has salient feet 6 made of aluminum profile. To reduce the weight of a hole profile is provided. In the embodiment, two spaced-apart profiles are provided with an arcuate curvature. The bow has its biggest bulge in the. Contact area with the seat part 1. Towards the ends of the lounger, the arch swings until the profiles touch the ground. At the same time a tapering of the profiles is provided to the ends.

An den Teilen 1,2 und 3 sind Teile 10 und 11 vorgesehen. Diese Teile bilden Versteifungen und Lagerkonsolen zur gelenkigen Anbindung von elektrischen Hubmotoren 9.
An dem Fußteil 5 und dem Kopfteil 3 sind gleichfalls Lagerkonsolen vorgesehen, die aber im Ausführungsbeispiel nicht dargestellt sind.
Die Hubmotoren besitzen ein Spindel 12. die durch Drehung aus dem Gehäuse ausgefahren und wieder eingefahren werden kann.
Die Spindeln 12 sind am Kopf gelenkig mit der gegenüberliegenden Teil 10 verbunden, das eine Lagerkonsole bildet. Am anderen Ende der Hubmotore 8 und 9 ist eine gelenkige Verbindung mit den Teilen 10 und 11 vorgesehen.
Alle Hubmotoren sind elektrische Schrittmotore, die in der jeweiligen Schrittstellung arretiert werden.
Die Hubmotore sind mit einer Schwenkbegrenzung vorgesehen. Die Schwenkbegrenzung erfolgt im Ausführungsbeispiel mittels eines Rechners, wobei die Schrittstellung aufgenommen wird und aus der jeweiligen Schrittstellung die Schwenkstellung ermittelt wird. Das kann empirisch oder anhand der vorhandenen Geometrie der Teile erfolgen, die an der Schwenkbewegung beteiligt sind. Bei der empirischen Ermittlung wird die Schwenkstellung gemessen, welche zu jeder Schrittstellung gehört. Durch Vergleich der zu jeder Schwenkstellung gehörigen Daten kann das weitere Ausfahren eines Hubmotors bzw. das weitere Einfahren eines Hubmotors und eine übermäßige Annäherung der bewegten Teile bzw. ein übermäßiges Auseinanderfahren der bewegten Teile verhindert werden. Dabei wirkt der Rechner im Ausführungsbeispiel auf die Steuerung für die Hubmotore, so daß die Hubmotore nur noch in unschädlicher Richtung bewegt werden können, als in unschädlicher Richtung eingefahren bzw. ausgefahren werden können.Parts 1, 2 and 3 are provided with parts 10 and 11. These parts form stiffeners and bearing brackets for articulated connection of electric lifting motors 9.
On the foot part 5 and the head part 3 bearing brackets are also provided, which are not shown in the embodiment.
The lifting motors have a spindle 12 which can be extended by rotation out of the housing and retracted again.
The spindles 12 are hinged at the head to the opposite part 10, which forms a bearing bracket. At the other end of the Hubmotore 8 and 9, a hinged connection with the parts 10 and 11 is provided.
All lifting motors are electric stepper motors, which are locked in the respective step position.
The Hubmotore are provided with a swivel limitation. The swivel limitation is carried out in the embodiment by means of a computer, wherein the step position is recorded and the pivot position is determined from the respective step position. This can be done empirically or based on the existing geometry of the parts that are involved in the pivoting movement. In the empirical determination, the pivot position is measured, which belongs to each step position. By comparing to everyone Pivoting position associated data, the further extension of a lifting motor or the further retraction of a lifting motor and excessive approach of the moving parts or excessive moving apart of the moving parts can be prevented. In this case, the computer acts in the exemplary embodiment of the control for the Hubmotore so that the Hubmotore can only be moved in innocuous direction, as can be retracted or extended in harmless direction.

Die Hubmotore sind im Ausführungsbeispiel so ausgelegt, daß sie in jeder Position der Teile 1 bis 5 eine Verstellung gegen eine Punktbelastung am jeweils entfernten Ende der Teile möglich ist. Dadurch können auch absolut schwergewichtige Personen an beliebiger Stelle der Liege sitzen oder liegen und gleichwohl eine motorische Verstellung der Liege erfolgen.
In einem weiteren Ausführungsbeispiel ist eine Auslegung auf 200 kg vorgesehen, in weiteren Ausführungsbeispielen eine Auslegung auf nur 100 kg vorgesehen.
Unabhängig von der Frage der Verstellkraft sind die Teile 1 bis 5 und die Verstellmechanik so ausgelegt, daß vorkommenden Belastung Stand gehalten wird. Das schließt auch die Auslegung der Unterkonstruktion ein, sowohl hinsichtlich der Festigkeit als auch hinsichtlich der Kippsicherheit.
Die Hubmotore 8 und 9 sind in geringem Abstand von den Teilen 1 bis 5 angeordnet so, daß die Hubmotore in der Seitenansicht der Liege im wesentlichen in einer Linie hintereinander liegen, wobei die Linie in Fig. 4 etwa parallel zur Kontur der Liegenauflagefläche verläuft und wobei die Linie in den Liegenstellungen nach Fig. 1 bis 3 der Kontur der Liegenauflagefläche angepaßt verläuft, d.h. im wesentlichen die gleiche Kontur hat.
Der Begriff "im wesentlichen gleich" umfaßt Abweichungen einer Hubmotorenlängsachse bis zu 20 Grad von der Parallelen zum nächstliegenden Liegenteil bzw. zur Auflagenfläche des nächstliegenden Liegenteils.
Der Abstand der Hubmotoren 8 und 9 beträgt im Ausführungsbeispiel 15 cm, in anderen Ausführungsbeispielen bis 20 cm oder bis 30 cm.
Die beschriebene Bauweise gibt der Verstellmechanik eine vorteilhafte Bodenfreiheit und verringert die Verletzungsgefahr. Dadurch wird verhindert, daß ein Benutzer mit den Fußen in die Verstellmechanik gerät.
Im Ausführungsbeispiel ist die Verstellmechanik außerdem mittig unter der Liege angeordnet, so daß die Verstellmechanik auch für die Hände des Benutzers unzugänglich ist und eine Verletzung der Benutzer an den Händen verhindert wird.The Hubmotore are designed in the exemplary embodiment so that it is possible in any position of the parts 1 to 5 an adjustment against a point load at the respective remote end of the parts. As a result, even extremely heavy people can sit or lie anywhere on the bed and still carried out a motorized adjustment of the bed.
In a further embodiment, a design is provided to 200 kg, provided in other embodiments, a design to only 100 kg.
Regardless of the question of adjusting the parts 1 to 5 and the adjustment mechanism are designed so that existing load is maintained. This also includes the design of the substructure, both in terms of strength and in terms of tipping safety.
The Hubmotore 8 and 9 are arranged at a small distance from the parts 1 to 5 so that the Hubmotore lie in a side view of the couch substantially in a line one behind the other, wherein the line in Fig. 4 is approximately parallel to the contour of the couch support surface and wherein the line in the backrest positions according to FIG. 1 to 3 of the contour of the couch support surface is adapted, that is, has substantially the same contour.
The term "substantially equal" includes deviations of a Hubmotorlängsachse up to 20 degrees from the parallels to the nearest lying part or the support surface of the nearest lying part.
The distance of the lifting motors 8 and 9 is in the exemplary embodiment 15 cm, in other embodiments to 20 cm or 30 cm.
The described construction gives the adjustment mechanism a favorable ground clearance and reduces the risk of injury. This prevents a user from getting into the adjustment mechanism with his or her feet.
In the exemplary embodiment, the adjustment mechanism is also centrally located under the couch, so that the adjustment mechanism is inaccessible to the user's hands and injury to the user is prevented on the hands.

Im Ausführungsbeispiel liegt ein nicht dargestelltes, matrazenförmiges Polster auf den Teilen 1 bis 5 auf und werden das Polster und die Mechanik der Liege (Teile 1 bis 5 und deren Verstellung) mit einem nicht dargestellten Polsterbezug überspannt. Auch das trägt zur Sicherheit bei.
In anderen Ausführungsbeispielen umschließt das Polster die Teile 1 bis 5 und deren Verstellung.In the exemplary embodiment is not shown, mattress-shaped pad on the parts 1 to 5 and the upholstery and the mechanism of the lounger (parts 1 to 5 and their adjustment) spans with a cushion cover, not shown. That also contributes to safety.
In other embodiments, the pad encloses the parts 1 to 5 and their adjustment.

Bei einer Verstellung wird im Ausführungsbeispiel die weitere Schwenkbewegung der Teile 2 und 4 blockiert wenn die Teile einen Schwenkwinkel von weniger als 70 Grad zwischen sich einschließen. Die Stellung ist in Fig. 1 und 2 dargestellt. In anderen Ausführungsbeispielen ist ein kleinerer oder größerer eingeschlossener Winkel als Grenzwert gewählt. Durch Änderung der Rechnervorgaben kann der Grenzwert verändert werden.In an adjustment, the further pivotal movement of the parts 2 and 4 is blocked in the embodiment when the parts include a pivot angle of less than 70 degrees between them. The position is shown in FIGS. 1 and 2. In other embodiments, a smaller or greater included angle is selected as the threshold. By changing the computer default, the limit can be changed.

In Fig. 1 und 2 steht das Fußteil 5 horizontal.In Fig. 1 and 2, the foot part 5 is horizontal.

Der Rechner und die Steuerung verhindern in gleicher Weise wie oben beschrieben auch, daß das Fußteil 5 mit dem Untergrund in Berührung kommt. In anderen Ausführungsbeispielen ist noch ein Sicherheitsabstand zwischen dem Ende des Fußteiles 5 und dem Untergrund vorgesehen, so daß ein versehentlich unter das Fußteil 5 geratener Fuß nicht verletzt wird.The computer and the controller prevent in the same way as described above, that the foot part 5 comes into contact with the ground. In other embodiments, a safety distance between the end of the foot part 5 and the ground is still provided, so that accidentally under the foot part 5 advised foot is not injured.

Fig. 3 zeigt eine Liegenstellung, in der beide Teile 4 und 5 horizontal stehen.Fig. 3 shows a position in which both parts 4 and 5 are horizontal.

Fig. 4 zeigt eine Liegenstellung, in der alle Teile 1 bis 5 horizontal stehen.Fig. 4 shows a position in which all parts 1 to 5 are horizontal.

Claims (10)

  1. a) An adjustable recliner or bed with
    b) pivoting parts (2,3,4,5) and
    c) separate adjusting devices, in particular with adjusting motors (7,8,9), primarily with a
    d) pivoting part (2) to adjust the position of the torso and with a
    e) pivoting part (4) to adjust the position of the legs, and preferably with a
    f) pivoting part (3) to adjust the position of the head or a
    g) pivoting part (5) to adjust the position of the feet, wherein the
    h) parts (2,3,4,5) can be adjusted in relation to one another and/or in relation to the floor or ground,
    characterised in that
    i) the adjustment movement is limited in such a way that
    j) the adjustment displacement is determined in a computer that
    k) blocks any further movement when a hazardous pivot position is reached.
  2. Recliner or bed according to claim 1 characterised in that the pivot position is established from pivot angles that have been determined empirically with a step-wise adjustment of the adjusting device, wherein the corresponding pivoting angle is determined on the basis of the adjustment displacement, or that the pivoting position is calculated from the geometry of the adjustment device and from the adjustment displacement.
  3. Recliner or bed according to claim 1 or 2 characterised in that adjusting motors (7,8,9) are used that are provided with rotationally mounted and driven spindles or threaded rods (12), such that the spindles or threaded rods (12) can be extended or retracted.
  4. Recliner or bed according to claim 3 characterised by spindles or threaded rods (12) with a self-locking action.
  5. Recliner or bed according to one of claims 1 to 4 characterised by the use of stepper motors (7,8,9) as the adjusting devices.
  6. Recliner or bed according to one of claims 1 to 5 characterised by pivoting parts (2,3,4,5), which is adjustable against a spot load on the outer end of at least 100 kg, preferably of at least 200 kg and even more preferably of at least 300 kg.
  7. Recliner or bed according to claims 6 characterised by the use of a base frame (1) that is stable at loads of at least 100 kg, preferably at least 200 kg and even more preferably at loads of at least 300 kg on the foot part (5) and/or the head part (3).
  8. Recliner or bed according to claim 7 characterised by a base frame (1) made of aluminium profiles, in particular perforated profiles.
  9. Recliner or bed according to one of claims 1 to 5 characterised by the use of reinforcing parts and/or bearing brackets for the adjusting devices (7,8,9) on the pivoting parts (2,3,4,5).
  10. Recliner or bed according to claim 9 characterised by an articulated connection of the adjusting devices (7,8,9) with the bearing brackets or the pivoting parts.
EP03775292A 2002-12-27 2003-11-04 Adjustable lounger or bed Expired - Lifetime EP1613195B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10261645A DE10261645A1 (en) 2002-12-27 2002-12-27 Adjustable couch or bed
PCT/EP2003/012285 WO2004058010A1 (en) 2002-12-27 2003-11-04 Adjustable lounger or bed

Publications (2)

Publication Number Publication Date
EP1613195A1 EP1613195A1 (en) 2006-01-11
EP1613195B1 true EP1613195B1 (en) 2006-10-11

Family

ID=32519500

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03775292A Expired - Lifetime EP1613195B1 (en) 2002-12-27 2003-11-04 Adjustable lounger or bed

Country Status (11)

Country Link
EP (1) EP1613195B1 (en)
JP (1) JP2006512118A (en)
CN (1) CN100438804C (en)
AT (1) ATE341972T1 (en)
AU (1) AU2003283350A1 (en)
CA (1) CA2552475A1 (en)
DE (2) DE10261645A1 (en)
DK (1) DK1613195T3 (en)
ES (1) ES2276126T3 (en)
PT (1) PT1613195E (en)
WO (1) WO2004058010A1 (en)

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DE202016001835U1 (en) 2016-03-19 2016-04-01 Hilbert, Henk ter Horst Substructure for an adjustable bed or an adjustable bed

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GB201813009D0 (en) 2018-08-09 2018-09-26 Eevolv Ltd A drive mechanism
CN112022536B (en) * 2020-08-11 2021-07-13 常州工学院 Swinging mechanism of old-people bed

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JP2003518399A (en) * 1999-12-23 2003-06-10 シモジス アクチエンゲゼルシャフト Motor adjustable support for furniture for sitting and / or for cushioning of furniture for lying down

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202016001835U1 (en) 2016-03-19 2016-04-01 Hilbert, Henk ter Horst Substructure for an adjustable bed or an adjustable bed

Also Published As

Publication number Publication date
DK1613195T3 (en) 2007-01-15
JP2006512118A (en) 2006-04-13
DE10261645A1 (en) 2004-07-22
AU2003283350A1 (en) 2004-07-22
CN1750779A (en) 2006-03-22
ES2276126T3 (en) 2007-06-16
WO2004058010A1 (en) 2004-07-15
PT1613195E (en) 2007-01-31
ATE341972T1 (en) 2006-11-15
CN100438804C (en) 2008-12-03
DE50305390D1 (en) 2006-11-23
EP1613195A1 (en) 2006-01-11
CA2552475A1 (en) 2004-07-15

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