EP0324899A2 - Accessory for a bath tub - Google Patents

Accessory for a bath tub Download PDF

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Publication number
EP0324899A2
EP0324899A2 EP88117429A EP88117429A EP0324899A2 EP 0324899 A2 EP0324899 A2 EP 0324899A2 EP 88117429 A EP88117429 A EP 88117429A EP 88117429 A EP88117429 A EP 88117429A EP 0324899 A2 EP0324899 A2 EP 0324899A2
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EP
European Patent Office
Prior art keywords
insert according
lifting plate
rod
frame
spring arrangement
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.)
Granted
Application number
EP88117429A
Other languages
German (de)
French (fr)
Other versions
EP0324899A3 (en
EP0324899B1 (en
Inventor
Peter Schmidt
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.)
Schmidt and Lenhardt GmbH and Co OHG
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to AT88117429T priority Critical patent/ATE65904T1/en
Publication of EP0324899A2 publication Critical patent/EP0324899A2/en
Publication of EP0324899A3 publication Critical patent/EP0324899A3/en
Application granted granted Critical
Publication of EP0324899B1 publication Critical patent/EP0324899B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/10—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
    • A61G7/1001—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto specially adapted for specific applications
    • A61G7/1003—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto specially adapted for specific applications mounted on or in combination with a bath-tub
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/10—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
    • A61G7/1013—Lifting of patients by
    • A61G7/1019—Vertical extending columns or mechanisms
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/10—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
    • A61G7/1049—Attachment, suspending or supporting means for patients
    • A61G7/1057—Supported platforms, frames or sheets for patient in lying position
    • 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
    • A61G2200/00—Information related to the kind of patient or his position
    • A61G2200/30—Specific positions of the patient
    • A61G2200/32—Specific positions of the patient lying
    • 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
    • A61G2200/00—Information related to the kind of patient or his position
    • A61G2200/30—Specific positions of the patient
    • A61G2200/34—Specific positions of the patient sitting
    • 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

Definitions

  • the invention relates to a bathtub insert with a floor frame, a lifting plate and intermediate guide and lifting devices, the at least one guide device having two scissor-like pivot frames, each with two coaxial fixed bearings on the floor frame or the lifting plate and two likewise coaxial sliding bearings on the lifting plate or have a base frame.
  • the lifting plate must be raised to the level of the edge of the bathtub if a physically disabled person wants to get onto the lifting plate. The lifting plate is then lowered into the bathing position with the person.
  • Such bathtub inserts are shown in DE-A-33 24 294 and US-A-4,660,234. Deep bathtubs require a large lift of the lifting plate.
  • the swivel frames come into such steep positions that self-locking can occur, especially if the sliding bearings have slide pieces guided in rails.
  • the lifting plate is then no longer supported by the lifting device and can drop suddenly at any point in time if the movement of the person carried by the lifting plate loses self-locking.
  • the object of the invention is to provide a bathtub insert in which the lifting plate can be lowered smoothly from the raised position with the swivel frame standing upright.
  • a spring arrangement acts on at least one swivel frame of the at least one guide device at least in the last swivel phase of the swivel frame during the upward movement of the lifting plate and thereby exerts a swivel torque which counteracts its upward swivel movement.
  • GB-A-21 56 210 discloses a bathtub insert without a base frame and with a lifting device arranged horizontally under the lifting plate, in which a spring arrangement in the form of one or two tension springs is provided, which connects the upper sliding bearing ends of the swivel frame to the pull the upper ends of the fixed bearing.
  • the remote arrangement pulls the lifting plate up. In a steep position of the swivel frame, the spring arrangement would rather support self-clamping.
  • a bathtub insert is known from US-A-3,106,723, in which the lower ends of the swivel frame are stationary and the upper ends are displaceable.
  • the lift plate is connected to the upper ends of both rocker frames by a spring arrangement so that it is held in a central position. The spring arrangement also pulls the lifting plate up here.
  • the spring arrangement according to the invention is tensioned during the upward movement of the lifting plate.
  • the greatest stored spring force is available at the start of the lowering movement of the lifting plate and acts in the direction of the downward swiveling of the swivel frame, preventing possible jamming of the sliding bearings.
  • the force of the spring arrangement advantageously acts in the direction of the sliding movement of the sliding bearings, because then a maximum effect is achieved with the lowest spring force.
  • the spring arrangement can, for example, be designed as a leaf or leg spring and be mounted in the joint area of the two swivel frames in such a way that the spring tensions between the two frames when the angle is reduced. It is also within the scope of the invention to use a tension spring, for example in the form of a strong rubber band, which is attached to the leg of a swivel frame associated with the sliding bearings and is attached with its other end to a fixed point on the lifting plate or the base frame, that the sliding bearings from their fixed bearings be pulled away.
  • a tension spring for example in the form of a strong rubber band, which is attached to the leg of a swivel frame associated with the sliding bearings and is attached with its other end to a fixed point on the lifting plate or the base frame, that the sliding bearings from their fixed bearings be pulled away.
  • a particularly preferred embodiment of the invention is that the spring arrangement has a straight rod, on which a helical compression spring is arranged, which presses at one end against a head of the rod, which forms a stop for the sliding bearing region of the pivot frame and that the other end of the Rod is axially displaceably guided in a bore or a channel of a fastening fitting, which has a front surface and a rear surface and the bore or the channel extends between the front and rear surfaces and that the other end of the helical compression spring is supported on the front surface and one on other end of the rod provided foot engages behind the rear surface of the mounting bracket.
  • the helical compression spring is preferably pretensioned, so that the foot of the rod is also supported on the rear surface of the fastening fitting.
  • This fastening fitting is preferably accommodated within a rail which also carries a sliding bearing of a swivel frame.
  • the sliding bearing or a driver moved by it thus comes into contact with the head of the rod of the spring arrangement during the last swiveling phase of the swivel frame and displaces the rod under axial compression the helical compression spring.
  • This version is advantageous because it only requires a small installation length. The space required for this is always available between the bearings on the same level of the two swivel frames of each guide device, even when the swivel frames are very steep.
  • a bathtub insert 10 consists of a floor frame 12, a lifting plate 14, two guide devices 16 in the form of two articulated swivel frames 18, 20, which are synchronized by means of handlebars 22 for joint movement, and two pressurized water hoses 24, the ends of which are on the floor frame 12 and are attached to the lifting plate 14.
  • Both swivel frames 18, 20 are rectangular frames which are articulated to one another in the central region by an articulated rod.
  • the swivel frame 20 is narrower than the swivel frame 18 so that it fits into the lifting plate 14 in the lowered position thereof.
  • the outer pivot frame 18 has two upper fixed bearings 26 and two lower sliding bearings 28 which are guided in rails 30 on the base frame 12.
  • the inner swivel frame 20 has two lower fixed bearings 32 and two upper sliding bearings 34 which are guided in corresponding rails on the underside of the lifting plate 14.
  • a spring arrangement 36 in the form of a strong rubber rope is attached to the upper cross member between the two sliding bearings 24 of the inner swivel frame 20, the other end of which leads to the adjacent upper cross member between the fixed bearings 26 of the outer swivel frame 18 of the other guide device 16. This end of the rubber cord can also be attached directly to the underside of the lifting plate 14.
  • each guide device 16 can be set very steeply without the sliding bearings 34 jamming in the rails 30 when the pressure water hoses 24 are subsequently relieved, since the feet arrangement 36 prevents or overcomes such jamming.
  • FIGS. 3 and 4 illustrate a modified embodiment of a spring arrangement 36 which has a fastening fitting 38, the cross section of which corresponds approximately to the clear cross section of the rail 30 on the bottom side of the lifting plate 14 and which extends over a certain length within this rail 30.
  • a straight rod 40 extends through the entire length of the fastening fitting 38 and passes through a bore 42 provided in the rear part of the fastening fitting 38 with sliding play.
  • the bore 42 extends through a transverse wall of the fastening fitting 38, which is adjoined at the front by a channel-like opening 44 which is open at the top and which has a somewhat larger cross section than the bore 42.
  • a cylindrical helical compression spring 46 is guided in a longitudinally displaceable manner on the rod 40, one end of which is supported on a nut screwed onto the rod 40, which forms a head 48 for the rod 40.
  • the other end of the helical compression spring 46 lies against the front surface of the transverse wall having the bore 42.
  • the helical compression spring 46 is installed with pretension so that a nut screwed onto the rear end of the rod 40 is supported on the rear surface of this transverse wall. This nut forms a foot 50 of the rod 40.
  • the mounting bracket 38 is in the form of a plastic body which is screwed onto a side wall of the rail 30 by means of two screws 52.
  • the inner swivel frame 20 pivots each of the two guide devices 16 upwards in the clockwise direction and the two sliding bearings 34 in the form of sliding pieces running in the rails 30 come into contact with the head 48 of the displaceable rod 40.
  • the rod 40 is shifted to the left and the compression spring 46 is compressed.
  • the force of the spring 46 is dimensioned such that the tendency of the sliding bearings 34 in the rails 30 to clamp due to the steep position of the swivel frames 18, 20 is overcome.
  • the entire spring arrangement 36 then has approximately twice the length. Thanks to the significant length of the mounting bracket 38 within the rail 30, the compression spring 46 is positively guided, namely in that it is stabilized by the inner rod 40, which has a sliding guide in the bore 42 at the rear end, while the channel-like opening 44, the coil spring 46 leads directly to the front end of the mounting bracket 38.

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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)
  • Massaging Devices (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Medicines Containing Plant Substances (AREA)

Abstract

A raising plate (14) is supported by two guide arrangements (16) in the form of pivot frames (18, 20) connected to one another in a hinged manner. In the raised position of the plate (14), the pivot frames (18, 20) are so upright that the slide bearings (28, 34) of the pivot frames (18, 20) tend to jam in the rails (30) guiding them. If the raising arrangement is activated so as to effect a lowering movement of the plate (14), the plate (14) would retain its height position on account of the tendency of the slide bearings (28, 34) to jam. This tendency to jam is overcome by virtue of a spring arrangement (36) engaging in the area of the upper pivot bearing (34) of at least one guide arrangement (16). <IMAGE>

Description

Die Erfindung betrifft einen Badewanneneinsatz mit ei­nem Bodengestell, einer Hubplatte und dazwischen ange­ordneten Führungs- und Hubeinrichtungen, wobei die min­destens eine Führungseinrichtung zwei scherenartig mit­einander gelenkig verbundene Schwenkrahmen aufweist, die jeweils zwei koaxiale Festlager am Bodengestell bzw. der Hubplatte und zwei ebenfalls koaxiale Schiebelager an Hubplatte bzw. Bodengestell aufweisen. Die Hubplatte muß auf das Niveau des Badewannenrandes angehoben sein, wenn eine körperlich behinderte Person auf die Hubplatte gelangen will. Mit der Person wird die Hubplatte dann in die Badestellung abgesenkt.The invention relates to a bathtub insert with a floor frame, a lifting plate and intermediate guide and lifting devices, the at least one guide device having two scissor-like pivot frames, each with two coaxial fixed bearings on the floor frame or the lifting plate and two likewise coaxial sliding bearings on the lifting plate or have a base frame. The lifting plate must be raised to the level of the edge of the bathtub if a physically disabled person wants to get onto the lifting plate. The lifting plate is then lowered into the bathing position with the person.

Solche Badewanneneinsätze zeigen die DE-A-33 24 294 und die US-A-4,660,234. Tiefe Badewannen erfordern einen großen Hub der Hubplatte. Die Schwenkrahmen gelangen in so steile Stellungen, daß eine Selbstklemmung eintreten kann, insbesondere, wenn die Schiebelager in Schienen ge­führte Gleitstücke aufweisen. Die Hubplatte wird dann nicht mehr von der Hubeinrichtung gestützt und kann zu irgend einem Zeitpunkt schlagartig herabfallen, wenn durch eine Bewegung der von der Hubplatte getragenen Person die Selbst­klemmung verloren geht.Such bathtub inserts are shown in DE-A-33 24 294 and US-A-4,660,234. Deep bathtubs require a large lift of the lifting plate. The swivel frames come into such steep positions that self-locking can occur, especially if the sliding bearings have slide pieces guided in rails. The lifting plate is then no longer supported by the lifting device and can drop suddenly at any point in time if the movement of the person carried by the lifting plate loses self-locking.

Man könnte zwar die Schwenkrahmen länger machen, doch müßten dann auch die Hubplatte und das Bodengestell verlängert werden, was bei kurzen Badewannen nicht möglich ist.You could make the swivel frame longer, but you would have to then the lifting plate and the base frame can be extended, which is not possible with short bathtubs.

Aufgabe der Erfindung ist es, einen Badewanneneinsatz zu schaffen, bei dem die Hubplatte mit steil stehenden Schwenkrahmen aus der angehobenen Position ruckfrei abge­senkt werden kann.The object of the invention is to provide a bathtub insert in which the lifting plate can be lowered smoothly from the raised position with the swivel frame standing upright.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß an mindestens einem Schwenkrahmen der mindestens einen Führungseinrichtung eine Federanordnung mindestens in der letzten Schwenkphase des Schwenkrahmens bei der Aufwärts­bewegung der Hubplatte angreift und dabei auf diesen Schwenkrahmen ein seiner Aufwärts-Schwenkbewegung entge­genwirkendes Schwenkmoment ausübt.This object is achieved in that a spring arrangement acts on at least one swivel frame of the at least one guide device at least in the last swivel phase of the swivel frame during the upward movement of the lifting plate and thereby exerts a swivel torque which counteracts its upward swivel movement.

Zwar ist aus der GB-A-21 56 210 ein Badewanneneinsatz ohne Bodengestell und mit einer horizontal unter der Hubplatte angeordneten Hubeinrichtung bekannt, bei der eine Federan­ordnung in Form von ein oder zwei Zugfedern vorgesehen ist, die die oberen Schiebelager-Enden der Schwenkrahmen zu den oberen Festlager-Enden hinziehen. Die Ferderanordnung zieht die Hubplatte nach oben. In einer Steilstellung der Schwenk­rahmen würde die Federanordnung eine Selbstklemmung eher un­terstützen.GB-A-21 56 210 discloses a bathtub insert without a base frame and with a lifting device arranged horizontally under the lifting plate, in which a spring arrangement in the form of one or two tension springs is provided, which connects the upper sliding bearing ends of the swivel frame to the pull the upper ends of the fixed bearing. The remote arrangement pulls the lifting plate up. In a steep position of the swivel frame, the spring arrangement would rather support self-clamping.

Aus der US-A-3,106,723 ist ein Badewanneneinsatz bekannt, bei dem die unteren Enden der Schwenkrahmen ortsfest und die oberen Enden verschiebbar sind. Die Hubplatte ist über eine Federanordnung mit den oberen Enden beider Schwankrah­men so verbunden, daß sie in einer Mittelposition gehalten wird. Die Federanordnung zieht auch hier die Hubplatte nach oben.A bathtub insert is known from US-A-3,106,723, in which the lower ends of the swivel frame are stationary and the upper ends are displaceable. The lift plate is connected to the upper ends of both rocker frames by a spring arrangement so that it is held in a central position. The spring arrangement also pulls the lifting plate up here.

Demgegenüber wird die Federanordnung gemäß der Erfindung während der Aufwärtsbewegung der Hubplatte gespannt. Die größte gespeicherte Federkraft steht bei Beginn der Ab­senkbewegung der Hubplatte zur Verfügung und wirkt in Rich­tung des Abwärtsschwenkens der Schwenkrahmen, wobei ein mögliches Verklemmen der Schiebelager verhindert wird. Vorteilhafterweise wirkt die Kraft der Federanordnung in Richtung der Schiebebewegung der Schiebelager, weil dann mit geringster Federkraft eine maximale Wirkung erreicht wird.In contrast, the spring arrangement according to the invention is tensioned during the upward movement of the lifting plate. The greatest stored spring force is available at the start of the lowering movement of the lifting plate and acts in the direction of the downward swiveling of the swivel frame, preventing possible jamming of the sliding bearings. The force of the spring arrangement advantageously acts in the direction of the sliding movement of the sliding bearings, because then a maximum effect is achieved with the lowest spring force.

Die Federanordnung kann z.B. als Blatt- oder Schenkelfe­der ausgebildet sein und im Gelenkbereich der beiden Schwenk­rahmen montiert werden, derart, daß sich die Feder bei Ver­kleinerung des Winkels zwischen beiden Rahmen spannt. Auch liegt es im Rahmen der Erfindung, eine Zugfeder z.B. in Form eines starken Gummibandes zu verwenden, das an dem, den Schiebelagern zugeordneten Schenkel eines Schwenkrah­mens befestigt wird und mit seinem anderen Ende an einem festen Punkt der Hubplatte bzw. des Bodengestells so be­festigt wird, daß die Schiebelager von ihren Festlagern weggezogen werden. Eine besonders bevorzugte Ausführung der Erfindung besteht darin, daß die Federanordnung eine gerade Stange aufweist, auf der eine Schraubendruckfeder angeordnet ist, die an einem Ende gegen eine Kopf der Stange drückt, welcher einen Anschlag für den Schiebela­gerbereich des Schwenkrahmens bildet und daß das andere Ende der Stange in einer Bohrung oder einem Kanal eines Befesti­gungsbeschlages axial verschiebbar geführt ist, der eine Vor­derfläche und eine Hinterfläche aufweist und sich die Bohrung bzw. der Kanal zwischen Vorder- und Hinterfläche erstreckt und daß das andere Ende der Schraubendruckfeder sich an der Vorderfläche abstützt und ein am anderen Ende der Stange vorge­sehener Fuß die Hinterfläche des Befestigungsbeschlages hinter­greift. Vorzugsweise ist die Schraubendruckfeder vorgespannt, sodaß sich auch der Fuß der Stange an der Hinterfläche des Be­festigungsbeschlages abstützt. Dieser Befestigungsbeschlag ist vorzugsweise innerhalb einer Schiene untergebracht,die auch ein Schiebelager eines Schwenkrahmens führt.Das Schiebelager bzw. ein von diesem bewegter Mitnehmer tritt somit bei der letzten Schwenkphase des Schwenkrahmens mit dem Kopf der Stange der Federanordnung in Berührung und verschiebt die Stange unter axialer Kompression der Schraubendruckfeder. Diese Ausführung ist deswegen vorteilhaft, weil sie nur eine geringe Einbaulänge benötigt. Der dafür erforderlich Raum ist zwischen den auf gleichem Niveau liegenden Lagern der beiden Schwenkrahmen je­der Führungseinrichtung immer vorhanden, auch dann, wenn die Schwenkrahmen sehr steil stehen.The spring arrangement can, for example, be designed as a leaf or leg spring and be mounted in the joint area of the two swivel frames in such a way that the spring tensions between the two frames when the angle is reduced. It is also within the scope of the invention to use a tension spring, for example in the form of a strong rubber band, which is attached to the leg of a swivel frame associated with the sliding bearings and is attached with its other end to a fixed point on the lifting plate or the base frame, that the sliding bearings from their fixed bearings be pulled away. A particularly preferred embodiment of the invention is that the spring arrangement has a straight rod, on which a helical compression spring is arranged, which presses at one end against a head of the rod, which forms a stop for the sliding bearing region of the pivot frame and that the other end of the Rod is axially displaceably guided in a bore or a channel of a fastening fitting, which has a front surface and a rear surface and the bore or the channel extends between the front and rear surfaces and that the other end of the helical compression spring is supported on the front surface and one on other end of the rod provided foot engages behind the rear surface of the mounting bracket. The helical compression spring is preferably pretensioned, so that the foot of the rod is also supported on the rear surface of the fastening fitting. This fastening fitting is preferably accommodated within a rail which also carries a sliding bearing of a swivel frame. The sliding bearing or a driver moved by it thus comes into contact with the head of the rod of the spring arrangement during the last swiveling phase of the swivel frame and displaces the rod under axial compression the helical compression spring. This version is advantageous because it only requires a small installation length. The space required for this is always available between the bearings on the same level of the two swivel frames of each guide device, even when the swivel frames are very steep.

Anhand der Zeichnung, die einige Ausführungsbeispiele darstellt, sei die Erfindung näher beschrieben.The invention will be described in more detail with reference to the drawing, which shows some exemplary embodiments.

Es zeigt

  • FIG. 1 eine Ansicht eines Badewanneneinsatzes in einer Badewanne in halb hochgefahrener Stel­lung,
  • FIG. 2 eine Ansicht des Badewanneneinsatzes ähnlich FIG. 1, jedoch in der voll hochgefahrenen Stellung der Hubplatte,
  • FIG. 3 eine Längsschnittansicht durch den oberen Teil einer Führungseinrichtung des Badewannenein­satzes mit einer Federanordnung zur Verhinderung des Klemmens der Führungseinrichtung und
  • FIG. 4 eine Querschnittansicht durch die Federan­ordnung längs der Linie 4-4 der FIG. 3, jedoch in größerem Maßstab.
It shows
  • FIG. 1 shows a view of a bathtub insert in a bathtub in the half raised position,
  • FIG. 2 shows a view of the bathtub insert similar to FIG. 1, but in the fully raised position of the lifting plate,
  • FIG. 3 shows a longitudinal sectional view through the upper part of a guide device of the bathtub insert with a spring arrangement for preventing the guide device from being jammed and
  • FIG. 4 is a cross-sectional view through the spring assembly along line 4-4 of FIG. 3, but on a larger scale.

Ein Badewanneneinsatz 10 besteht aus einem Bodengestell 12, einer Hubplatte 14, zwei Führungseinrichtungen 16 in Form von je zwei gelenkig miteinander verbundenen Schwenk­rahmen 18, 20, die mittels Lenkerstangen 22 für eine ge­meinsame Bewegung synchronisiert sind, sowie zwei Druck­wasserschläuchen 24, deren Enden am Bodengestell 12 und an der Hubplatte 14 befestigt sind.A bathtub insert 10 consists of a floor frame 12, a lifting plate 14, two guide devices 16 in the form of two articulated swivel frames 18, 20, which are synchronized by means of handlebars 22 for joint movement, and two pressurized water hoses 24, the ends of which are on the floor frame 12 and are attached to the lifting plate 14.

Beide Schwenkrahmen 18, 20 sind Rechteckrahmen, die im Mittelbereich durch eine Gelenkstange miteinander gelenkig verbunden sind. Der Schwenkrahmen 20 ist schmaler als der Schwenkrahmen 18, sodaß er in der abgesenkten Stellung der Hubplatte 14 in diesen hineinpaßt. Der äußere Schwenk­rahmen 18 hat zwei obere Festlager 26 und zwei untere Schiebelager 28, die in Schienen 30 am Bodengestell 12 geführt sind. Der innere Schwenkrahmen 20 hat zwei untere Festlager 32 und zwei obere Schiebelager 34, die in ent­sprechenden Schienen an der Unterseite der Hubplatte 14 geführt sind.Both swivel frames 18, 20 are rectangular frames which are articulated to one another in the central region by an articulated rod. The swivel frame 20 is narrower than the swivel frame 18 so that it fits into the lifting plate 14 in the lowered position thereof. The outer pivot frame 18 has two upper fixed bearings 26 and two lower sliding bearings 28 which are guided in rails 30 on the base frame 12. The inner swivel frame 20 has two lower fixed bearings 32 and two upper sliding bearings 34 which are guided in corresponding rails on the underside of the lifting plate 14.

Am oberen Querholm zwischen beiden Schiebelagern 24 des inneren Schwenkrahmens 20 ist eine Federanordnung 36 in Form eines starken Gummiseiles angebracht, dessen anderes Ende zum benachbarten oberen Querholm zwischen den Festla­gern 26 des äußeren Schwenkrahmens 18 der anderen Führungs­einrichtung 16 führt. Dieses Ende des Gummiseiles kann ebensogut an der Unterseite der Hubplatte 14 unmittelbar befestigt werden.A spring arrangement 36 in the form of a strong rubber rope is attached to the upper cross member between the two sliding bearings 24 of the inner swivel frame 20, the other end of which leads to the adjacent upper cross member between the fixed bearings 26 of the outer swivel frame 18 of the other guide device 16. This end of the rubber cord can also be attached directly to the underside of the lifting plate 14.

Fährt nun die Hubplatte 14 in die in FIG. 2 dargestellte Hochstellung, so wird die Federanordnung 36 zunehmend ge­spannt. Die Schwenkrahmen 18, 20 jeder Führungseinrichtung 16 können sehr steil gestellt werden, ohne daß beim an­schließenden Entlasten der Druckwasserschläuche 24 die Schiebelager 34 in den Schienen 30 verklemmen, da die Fe­ deranordnung 36 ein solches Verklemmen verhindert oder überwindet.Now moves the lifting plate 14 in the in FIG. 2 high position shown, the spring assembly 36 is increasingly tensioned. The swivel frame 18, 20 of each guide device 16 can be set very steeply without the sliding bearings 34 jamming in the rails 30 when the pressure water hoses 24 are subsequently relieved, since the feet arrangement 36 prevents or overcomes such jamming.

Die Figuren 3 und 4 veranschaulichen eine abgewandelte Ausführungsform einer Federanordnung 36, die einen Be­festigungsbeschlag 38 aufweist, dessen Querschnitt etwa dem lichten Querschnitt der Schiene 30 an der Bodenseite der Hubplatte 14 entspricht und der sich über eine gewisse Länge innerhalb dieser Schiene 30 erstreckt. Durch die ganze Länge des Befestigungsbeschlages 38 hindurch er­streckt sich eine gerade Stange 40, die eine im hinteren Teil des Befestigungsbeschlages 38 vorgesehene Bohrung 42 mit Schiebespiel durchsetzt. Die Bohrung 42 erstreckt sich durch eine Querwand des Befestigungsbeschlages 38, an die sich nach vorn ein oben offener kanalartiger Durchbruch 44 anschließt, der einen etwas größeren Querschnitt als die Bohrung 42 hat. Auf der Stange 40 ist eine zylindri­sche Schraubendruckfeder 46 längsverschiebbar geführt, de­ren eines Ende sich an einer auf die Stange 40 aufgeschraub­ten Mutter abstützt, die für die Stange 40 einen Kopf 48 bildet. Das andere Ende der Schraubendruckfeder 46 liegt an der Vorderfläche der die Bohrung 42 aufweisenden Quer­wand an. Die Schraubendruckfeder 46 ist mit Vorspannung eingebaut, sodaß sich eine auf das hintere Ende der Stange 40 aufgeschraubte Mutter an der Hinterfläche dieser Quer­wand abstützt. Diese Mutter bildet einen Fuß 50 der Stange 40. Der Befestigungsbeschlag 38 ist in Form eines Kunst­stoffkörpers ausgebildet, der mittels zweier Schrauben 52 an einer Seitenwand der Schiene 30 festgeschraubt ist.FIGS. 3 and 4 illustrate a modified embodiment of a spring arrangement 36 which has a fastening fitting 38, the cross section of which corresponds approximately to the clear cross section of the rail 30 on the bottom side of the lifting plate 14 and which extends over a certain length within this rail 30. A straight rod 40 extends through the entire length of the fastening fitting 38 and passes through a bore 42 provided in the rear part of the fastening fitting 38 with sliding play. The bore 42 extends through a transverse wall of the fastening fitting 38, which is adjoined at the front by a channel-like opening 44 which is open at the top and which has a somewhat larger cross section than the bore 42. A cylindrical helical compression spring 46 is guided in a longitudinally displaceable manner on the rod 40, one end of which is supported on a nut screwed onto the rod 40, which forms a head 48 for the rod 40. The other end of the helical compression spring 46 lies against the front surface of the transverse wall having the bore 42. The helical compression spring 46 is installed with pretension so that a nut screwed onto the rear end of the rod 40 is supported on the rear surface of this transverse wall. This nut forms a foot 50 of the rod 40. The mounting bracket 38 is in the form of a plastic body which is screwed onto a side wall of the rail 30 by means of two screws 52.

Gemäß FIG. 3 schwenkt der innere Schwenkrahmen 20 jeder der beiden Führungseinrichtungen 16 im Uhrzeigergegedrehsinn nach oben und die beiden Schiebelager 34 in Form von in den Schienen 30 laufenden Gleitstücken kommen je mit dem Kopf 48 der verschiebbaren Stange 40 in Berührung. Beim Weiterschwenken des Schwenkrahmens 20 wird die Stange 40 nach links verschoben und die Druckfeder 46 komprimiert. Je steiler die Schwenkrahmen 18,20 gestellt werden, umso stärker wird die gespeicherte Kraft der Druckfeder 46. Die Kraft der Feder 46 ist so bemessen, daß die durch Steil­stellung der Schwenkrahmen 18, 20 entstehende Klemmneigung der Schiebelager 34 in den Schienen 30 überwunden wird.According to FIG. 3, the inner swivel frame 20 pivots each of the two guide devices 16 upwards in the clockwise direction and the two sliding bearings 34 in the form of sliding pieces running in the rails 30 come into contact with the head 48 of the displaceable rod 40. When pivoting the pivot frame 20, the rod 40 is shifted to the left and the compression spring 46 is compressed. The steeper the swivel frames 18, 20 are set, the stronger the stored force of the compression spring 46. The force of the spring 46 is dimensioned such that the tendency of the sliding bearings 34 in the rails 30 to clamp due to the steep position of the swivel frames 18, 20 is overcome.

In der Praxis hat es sich als ausreichend erwiesen, einen nutzbaren Federweg für die Federanordnung 36 von etwa 60 mm bis etwa 80 mm vorzusehen. Die gesamte Federanordnung 36 hat dann etwa die doppelte Länge. Dank der maßgeblichen Länge des Befestigungsbeschlages 38 innerhalb der Schiene 30 ist die Druckfeder 46 zwangsgeführt und zwar dadurch, daß sie durch die innenverlaufende Stange 40 stabilisiert ist, die am hinteren Ende eine Schiebeführung in der Bohrung 42 aufweist, während der kanalartige Durchbruch 44 die Schraubenfeder 46 bis zum vorderen Ende des Befestigungsbe­schlages 38 hin unmittelbar führt.In practice, it has proven sufficient to provide a usable spring travel for the spring arrangement 36 of approximately 60 mm to approximately 80 mm. The entire spring arrangement 36 then has approximately twice the length. Thanks to the significant length of the mounting bracket 38 within the rail 30, the compression spring 46 is positively guided, namely in that it is stabilized by the inner rod 40, which has a sliding guide in the bore 42 at the rear end, while the channel-like opening 44, the coil spring 46 leads directly to the front end of the mounting bracket 38.

Claims (10)

1. Badewanneneinsatz mit einem Bodengestell, einer Hub­platte und dazwischen angeordneten Führungs- und Hub­einrichtungen, wobei die mindestens eine Führungsein­richtung zwei scherenartig miteinander gelenkig verbun­dene Schwenkrahmen aufweist, die jeweils koaxiale Fest­lager am Bodengestell bzw. der Hubplatte und zwei eben­falls koaxiale Schiebelager an Hubplatte bzw. Bodenge­stell aufweisen, dadurch gekennzeichnet, daß an min­destens einem Schwenkrahmen (18; 20) der mindestens ei­nen Führunseinrichtung (16) eine Federanordnung (36) mindestens in der letzten Schwenkphase des Schwenkrah­mens (18; 20) bei der Aufwärtsbewegung der Hubplatte (14) angreift und dabei auf diesen Schwenkrahmen (18; 20) ein seiner Schwenkbewegung entgegengesetzt wirkendes Schwenkmoment ausübt.1. Bathtub insert with a floor frame, a lifting plate and guide and lifting devices arranged between them, the at least one guide device having two scissor-like pivot frames which each have coaxial fixed bearings on the floor frame or lifting plate and two likewise coaxial sliding bearings on lifting plate or floor frame characterized in that a spring arrangement (36) acts on at least one swivel frame (18; 20) of the at least one guide device (16) at least in the last swivel phase of the swivel frame (18; 20) during the upward movement of the lifting plate (14) and thereby exerts a pivoting moment which acts counter to its pivoting movement on this pivoting frame (18; 20). 2. Badewanneneinsatz nach Anspruch 1, dadurch gekennzeich­net, daß die Federanordnung (36) im Bereich an oder be­nachbart der Achse der Schiebelager (28; 34) mindestens eines Schwenkrahmens (18; 20) angreift.2. Bathtub insert according to claim 1, characterized in that the spring arrangement (36) in the area on or adjacent to the axis of the sliding bearing (28; 34) engages at least one swivel frame (18; 20). 3. Badewanneneinsatz nach Anspruch 2 oder 3, dadurch gekenn­zeichnet, daß das Gegenlager bzw. ein Umlenklager der Federanordnung (36) und deren Angriffspunkt am Schwenk­rahmen (18; 20) in einer zur Hubplatte (14) etwa paralle­len Ebene liegen.3. Bathtub insert according to claim 2 or 3, characterized in that the counter bearing or a deflection of the spring arrangement (36) and their point of engagement on the swivel frame (18; 20) lie in an approximately parallel plane to the lifting plate (14). 4. Badewanneneinsatz nach einem der Ansprüche 1 bis 3, da­durch gekennzeichnet, daß die Federanordnung (36) eine gerade Stange (40) aufweist, auf der eine Schraubendruck­feder (46) angeordnet ist, die an einem Ende gegen einen Kopf (48) der Stange (40) drückt, welcher einen Anschlag für den Schiebelagerbereich des Schwenkrahmens (18; 20) bildet und daß das andere Ende der Stange (40) in einer Bohrung (42) oder Kanal eines Befestigungsbe­schlages (38) axial verschiebbar geführt ist, der eine Vorderfläche und eine Hinterfläche aufweist und sich die Bohrung bzw. der Kanal zwischen Vorder- und Hin­terfläche erstreckt und daß das andere Ende der Schrau­bendruckfeder (46) sich an der Vorderfläche abstützt und ein am anderen Ende der Stange (40) vorgesehener Fuß (50) die Hinterfläche des Befestigungsbeschlages (38) hintergreift.4. Bath insert according to one of claims 1 to 3, characterized in that the spring arrangement (36) has a straight rod (40) on which a helical compression spring (46) is arranged, which at one end against a head (48) of the rod (40), which forms a stop for the sliding bearing area of the swivel frame (18; 20) and that the other end of the rod (40) is guided axially displaceably in a bore (42) or channel of a fastening fitting (38) which has a front surface and has a rear surface and the bore or channel extends between the front and rear surfaces and that the other end of the helical compression spring (46) is supported on the front surface and a foot (50) provided on the other end of the rod (40) supports the rear surface of the mounting bracket (38). 5. Badewanneneinsatz nach Anspruch 4, dadurch gekennzeich­net, daß die Schraubendruckfeder (46) vorgespannt ist, wobei der Fuß (50) der Stange (40) sich an der Hinter­ fläche des Befestigungsbeschlages (38) abstützt.5. Bathtub insert according to claim 4, characterized in that the helical compression spring (46) is biased, the foot (50) of the rod (40) on the rear surface of the mounting bracket (38) is supported. 6. Badewanneneinsatz nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die Schiebelager (28; 34) des Schwenkrahmens (18; 20) in parallelen Schienen (30) geführt sind und die Federanordnung (36) in min­destens einer der Schienen untergebracht ist und daß ein Schiebelager (28; 34) bzw. von diesem bewegter Mit­nehmer mit der Federanordnung (36) in Berührung tritt.6. Bathtub insert according to one of claims 1 to 5, characterized in that the sliding bearing (28; 34) of the swivel frame (18; 20) are guided in parallel rails (30) and the spring arrangement (36) is accommodated in at least one of the rails and that a sliding bearing (28; 34) or driver moved by this comes into contact with the spring arrangement (36). 7. Badewanneneinsatz nach Anspruch 4 und 6, dadurch ge­kennzeichnet, daß der Befestigungsbeschlag (38) aus ei­nem länglichen, dem Innenquerschnitt der Schiene (30) etwa angepaßten Körper besteht, der im Hinterbereich die Bohrung (42) oder den Kanal aufweist und daß im vorderen Bereich des Körpers ein zur Bohrung (42) bzw. Kanal koaxialer Durchbruch (44) mit gegenüber der Boh­rung (42) größerem Querschnitt vorgesehen ist, in wel­chem die Schraubendruckfeder (46) axial geführt ist.7. Bathtub insert according to claim 4 and 6, characterized in that the fastening fitting (38) consists of an elongated, the inner cross section of the rail (30) approximately adapted body, which has the bore (42) or the channel in the rear region and that in the front In the region of the body, an opening (44) coaxial to the bore (42) or channel is provided with a larger cross section than the bore (42), in which the helical compression spring (46) is guided axially. 8. Badewanneneinsatz nach einem der Ansprüche 4 bis 7, da­durch gekennzeichnet, daß die Stange (40) an mindestens einem Ende einen Gewindeabschnitt hat, auf der eine Mutter aufgeschraubt ist, die den Kopf (48) bzw. den Fuß (50) bildet.8. Bathtub insert according to one of claims 4 to 7, characterized in that the rod (40) has at least one end a threaded portion on which a nut is screwed, which forms the head (48) or the foot (50). 9. Badewanneneinsatz nach einem der Ansprüche 6 bis 8, da­durch gekennzeichnet, daß der Körper an einer Seiten­fläche der Schiene (30) angeschraubt ist.9. Bathtub insert according to one of claims 6 to 8, characterized in that the body is screwed to a side surface of the rail (30). 10. Badewanneneinsatz nach einem der Ansprüche 1 bis 9, da­durch gekennzeichnet, daß beiden Schiebelagern (28; 34) eines Schwenkrahmens (18; 20) des oder der Führungsein­richtungen (16) je eine Federanordnung (36) zugeordnet ist.10. Bathtub insert according to one of claims 1 to 9, characterized in that two sliding bearings (28; 34) of a swivel frame (18; 20) of the or the guide devices (16) are each assigned a spring arrangement (36).
EP88117429A 1987-12-19 1988-10-19 Accessory for a bath tub Expired - Lifetime EP0324899B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88117429T ATE65904T1 (en) 1987-12-19 1988-10-19 BATHTUB INSERT.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19873743193 DE3743193A1 (en) 1987-12-19 1987-12-19 BATHTUB INSERT
DE3743193 1987-12-19

Publications (3)

Publication Number Publication Date
EP0324899A2 true EP0324899A2 (en) 1989-07-26
EP0324899A3 EP0324899A3 (en) 1989-11-02
EP0324899B1 EP0324899B1 (en) 1991-08-07

Family

ID=6343037

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88117429A Expired - Lifetime EP0324899B1 (en) 1987-12-19 1988-10-19 Accessory for a bath tub

Country Status (6)

Country Link
EP (1) EP0324899B1 (en)
JP (1) JPH01170458A (en)
AT (1) ATE65904T1 (en)
DE (2) DE3743193A1 (en)
ES (1) ES2023479B3 (en)
GR (1) GR3002682T3 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101961214A (en) * 2010-11-03 2011-02-02 河南科技大学 Personal hygiene nursing bathtub
CN101966111A (en) * 2010-11-03 2011-02-09 河南科技大学 Human body transfer device for transferring human body into and out of bathtub
GB2474580A (en) * 2009-10-19 2011-04-20 Paul Martin Huband Combined bed and bath with lifting and lowering platform

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3931385A1 (en) * 1989-09-20 1991-03-28 Peter Heckmeier Lifter for person in bath - has seating and baseplates and uses seat rollers and cover mat for smooth movement, with baseplate releasably anchored to bath for safety
WO1991015179A1 (en) * 1990-04-11 1991-10-17 Hans Fickler Bath lift
KR20000030608A (en) * 2000-03-08 2000-06-05 김종현 Spraying nozzle of dust collector
CN109172190B (en) * 2018-09-25 2020-07-21 段长虹 Paralytic nursing bed
CN116829658A (en) 2021-03-09 2023-09-29 大金工业株式会社 Melt fluororesin primer

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FR712125A (en) * 1930-03-13 1931-09-25 Tecalemit Improved lifting device, especially for motor vehicles
US3106723A (en) * 1963-01-04 1963-10-15 Theodore R Carpenter Power elevatable bath tub seat
GB2008400A (en) * 1977-11-09 1979-06-06 Wright H S Bath or shower apparatus
DE3324294A1 (en) * 1983-07-06 1985-01-24 Peter 7989 Argenbühl Schmidt BATHTUB INSERT FOR THE DISABLED
GB2156210A (en) * 1984-03-29 1985-10-09 John Alfred Hooker Bath aid unit
US4660234A (en) * 1985-03-07 1987-04-28 Peter Schmidt Bathtub insert for handicapped persons

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DE8209606U1 (en) * 1981-03-31 1984-10-11 Schmidt, Peter, 7989 Argenbühl Support plate of a bathtub lifting insert
DE3134513A1 (en) * 1981-09-01 1983-03-17 Peter 7989 Argenbühl Schmidt "BATHTUB INSERT"
JPS59174822U (en) * 1983-05-11 1984-11-22 株式会社佐藤鉄工所 Lifting device for stretcher frame attached to lift bathtub
JPH0133073Y2 (en) * 1985-02-19 1989-10-06

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR712125A (en) * 1930-03-13 1931-09-25 Tecalemit Improved lifting device, especially for motor vehicles
US3106723A (en) * 1963-01-04 1963-10-15 Theodore R Carpenter Power elevatable bath tub seat
GB2008400A (en) * 1977-11-09 1979-06-06 Wright H S Bath or shower apparatus
DE3324294A1 (en) * 1983-07-06 1985-01-24 Peter 7989 Argenbühl Schmidt BATHTUB INSERT FOR THE DISABLED
GB2156210A (en) * 1984-03-29 1985-10-09 John Alfred Hooker Bath aid unit
US4660234A (en) * 1985-03-07 1987-04-28 Peter Schmidt Bathtub insert for handicapped persons

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2474580A (en) * 2009-10-19 2011-04-20 Paul Martin Huband Combined bed and bath with lifting and lowering platform
GB2474580B (en) * 2009-10-19 2012-06-20 Paul Martin Huband An improved bath
CN101961214A (en) * 2010-11-03 2011-02-02 河南科技大学 Personal hygiene nursing bathtub
CN101966111A (en) * 2010-11-03 2011-02-09 河南科技大学 Human body transfer device for transferring human body into and out of bathtub
CN101961214B (en) * 2010-11-03 2012-03-21 河南科技大学 Personal hygiene nursing bathtub
CN101966111B (en) * 2010-11-03 2012-06-13 河南科技大学 Human body transfer device for transferring human body into and out of bathtub

Also Published As

Publication number Publication date
DE3743193A1 (en) 1989-06-29
DE3864138D1 (en) 1991-09-12
ATE65904T1 (en) 1991-08-15
EP0324899A3 (en) 1989-11-02
GR3002682T3 (en) 1993-01-25
ES2023479B3 (en) 1992-01-16
JPH01170458A (en) 1989-07-05
JPH0453546B2 (en) 1992-08-26
EP0324899B1 (en) 1991-08-07

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