EP0004282B1 - Hospital bed - Google Patents

Hospital bed Download PDF

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Publication number
EP0004282B1
EP0004282B1 EP19790100471 EP79100471A EP0004282B1 EP 0004282 B1 EP0004282 B1 EP 0004282B1 EP 19790100471 EP19790100471 EP 19790100471 EP 79100471 A EP79100471 A EP 79100471A EP 0004282 B1 EP0004282 B1 EP 0004282B1
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EP
European Patent Office
Prior art keywords
telescopic
hospital bed
rest
shank
back rest
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
Application number
EP19790100471
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German (de)
French (fr)
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EP0004282A3 (en
EP0004282A2 (en
Inventor
Helmut Kötter
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.)
Stiegelmeyer GmbH and Co KG
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Stiegelmeyer GmbH and Co KG
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Application filed by Stiegelmeyer GmbH and Co KG filed Critical Stiegelmeyer GmbH and Co KG
Publication of EP0004282A2 publication Critical patent/EP0004282A2/en
Publication of EP0004282A3 publication Critical patent/EP0004282A3/en
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    • 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
    • A61G7/002—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame
    • A61G7/015—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame divided into different adjustable sections, e.g. for Gatch position

Definitions

  • the invention relates to a hospital bed with a lying surface consisting of a backrest, a middle part and a lower leg rest, with axes of rotation lying in a horizontal plane for the backrest and for the lower leg rest and articulated axes between the backrest and the middle part and the middle part and the lower leg rest lie and move in the space between the axes of rotation and with two telescopic supports which are articulated at one end to the central part and at the other end to the backrest or lower leg rest and can be actuated by means of a handle.
  • a bed of this type is known (DE-OS 23 11 607), in which the lying surface can be adjusted in height and there is the possibility of pivoting the backrest and the lower leg rest independently of one another about horizontal axes.
  • an adjustable bed frame known (DE-PS 540 623), which has a backrest, a middle part and a lower leg rest and in which a simultaneous rotational movement of the backrest and lower leg rest is made possible in opposite directions of rotation by a linkage that connects the backrest to the Lower leg rest couples.
  • An independent adjustment of the lower leg rest to the back rest is made possible within certain limits by the fact that the position of the lower leg rest can be adjusted by means of a pawl. However, it cannot be lowered without the backrest being raised at the same time.
  • the invention has for its object to design a bed of the type mentioned so that either the lower leg rest with the backrest synchronously in opposite directions of rotation or the lower leg rest and the backrest are independently adjustable.
  • the actuating devices for locking the telescopic supports for simultaneous actuation can be coupled to one another and both the backrest and lower leg rest can be coupled via a telescopic linkage by means of a device and that both the connection between the actuation devices for locking the telescopic supports and the telescopic linkage can be decoupled for the independent adjustment of the backrest and the lower leg rest.
  • the device for coupling the linkage parts of the telescopic linkage and the coupling means designed as a telescopic linkage for the actuating devices of the telescopic supports can be actuated synchronously via a Bowden cable, which can be brought into its switching positions via a handle.
  • the bed shown in FIGS. 1 to 4 has a backrest 1, a middle part 2 and a lower leg rest 3 which form the lying surface of the bed.
  • the backrest 1 is pivotably articulated in a hinge axis 4 and the lower legrest 3 in a hinge axis 5 on the central part 2.
  • the backrest 1 is rotatably supported about an axis 6 and the lower leg rest 3 about an axis 7 in the frame of the hospital bed.
  • the articulated axes 4 and 5 lie in the space between the axes of rotation 6 and 7 and also move in the different positions of the backrest, the middle part and the lower leg rest in this space.
  • the axis of rotation 6 is arranged stationary in the frame of the hospital bed, while the axis of rotation 7 can carry out an adjustment movement when the lying surface parts are adjusted.
  • the adjustment device of the hospital bed has two telescopic supports 8, 9, which are articulated with their outer tubes 10, 11 at the rear end to brackets 12 which are fastened to the middle part 2 in the region of their flanges 13.
  • the extendable tube 14 of the telescopic support 8 is articulated on a bracket 15 which is fixed to the backrest 1 with its fastening flange 16.
  • the extendable tube 17 of the telescopic support 9 is articulated on a bracket 18 which is fixed to the lower leg rest 3 with its fastening flange 19.
  • Energy storage devices e.g. uncontrolled or controlled gas springs can be provided, by means of which the weights of the lying surface parts to be adjusted are compensated.
  • the actuating device for the telescopic supports 8, 9 has handles 20 which are connected to one another via a shaft 21 which is rotatably mounted in the frame of the hospital bed. From Fig. 2 it follows that the handles 20 can be actuated from both sides of the bed.
  • a lever 22 is attached to the shaft 21, which carries a pin 23 which engages in an elongated hole 24 of a rod 25 which leads to the actuating lever 26 of a blocking device 27 of the telescopic support 8.
  • the blocking device 27 has a locking bolt 28 which is guided in a housing 29 which is fastened to the outer tube 10 of the telescopic support 8.
  • the bolt is fixed via a cross pin 30 to the upper part 31 of the housing, which has an inclined surface 32 which extends at the same angle as an inclined surface 33 of the housing.
  • the locking bolt 28 has a bung 34 on which a cylindrical coil spring 35 is supported.
  • the locking end 36 of the locking bolt engages in a locking recess 37 of the extendable tube 14.
  • the extendable tube 14 is provided with a series of locking recesses 37.
  • Fig. 4 it follows that the pin 23 is coupled to a rod 38 which runs parallel to the rod 25 and leads to an actuating lever 39 of a blocking device 40, which is constructed in the same sense as the blocking device 27.
  • a blocking device 40 which is constructed in the same sense as the blocking device 27.
  • an elongated hole 41 is provided, through which an idle stroke is achieved in relation to the actuating lever 39, provided the shaft 21 and the lever 22 are rotated counterclockwise in FIG. 3.
  • the blocking device 27 is brought into its unlocked position.
  • the blocking device 40 is brought into the unlocked position via the rod 38, while the pin 23 in the slot 24 makes an idle stroke, so that the blocking device 27 is not operated. In this case, the blocking device 40 releases the extendable tube 17 of the telescopic support 9, so that the lower leg rest 3 can be adjusted.
  • a telescopic linkage 42 is arranged between the actuating levers 26 and 39 of the locking devices 27 and 40.
  • a spring 44 is provided in the outer tube 43, which is hinged at its rear end to the actuating lever 39, which is supported at one end on the extendable rod 45.
  • the extendable rod 45 is articulated on the actuating lever 26 of the blocking device 27.
  • the extendable rod 45 can be fixed relative to the outer tube via a coupling device 46. If the telescopic linkage 42 is coupled and forms a coupling rod between the actuating levers 26 and 39, the blocking devices 27 and 40 are brought into an unlocked position when the handle 20 is actuated, so that the backrest and the lower leg rest can be adjusted simultaneously.
  • a telescopic linkage 47 is arranged between the backrest 1 and the lower leg rest 3.
  • the outer tube 48 is designed as a flat rectangular tube and is articulated on the bracket 18 via a bracket 49.
  • a coupling device 50 is fastened to the outer tube 48 and is constructed in the same way as the blocking devices. It has a housing 51 with an inclined surface 52, with which the inclined surface of an upper part 53 interacts.
  • a locking bolt is fastened to the upper part, which is slidably mounted in the housing 51 and is loaded with a spring. The locking bolt engages in a locking recess tion 54 of an extendable part 55 a.
  • the extendable part 55 is articulated on a bracket 15 of the backrest 1.
  • a handle 56 is fastened to the upper part 53 and must be brought into the position shown in solid lines in FIG. 3 in order to initiate the coupling of the parts 48 and 55 of the telescopic linkage.
  • the coupling device 50 for the telescopic rod between the backrest and the lower leg rest only engages when the backrest has assumed an inclined position of approximately 30 °. Only from this point in time is the lower leg rest 3 lowered when the backrest 1 is raised further.
  • a Bowden cable 57 is provided, via which, at the time of coupling the telescopic linkage 47, the telescopic linkage 42 is coupled, so that when the switch is made to simultaneous actuation of the backrest 1 and the lower leg rest 3, only the handle 56 needs to be operated.
  • the handle 56 is shown in FIG. 3 in dash-dotted lines in the position in which the locking devices of the telescopic linkage are released.
  • the handle 56 is equipped with a stop arm 58 which cooperates with the front edge of the tab 12.
  • the stop arm 58 works together with the bracket 12, so that the handle 56 is pivoted into the unlocked position.
  • the telescopic rod 60 provided between the backrest 1 and the lower leg rest 3 assumes an acute angle in the horizontal position of the lying surface parts with respect to the lying surface. This can be seen in FIG. 8.
  • Attached to the backrest 1 is a curved arm 61, which projects with its free end into the area below the middle part 2 and to which the extendable part 62 of the telescopic rod 60 is articulated.
  • a bracket 63 is fastened to the lower leg rest 3, to which the outer tube 64 of the telescopic rod is articulated.
  • the telescopic linkage is assigned a coupling device 65, which is coupled via a Bowden cable 57 to the coupling device 46 of the telescopic linkage 42 of the actuating device for the telescopic supports 8 and 9.
  • the coupling devices 65 and 46 can be switched on already in the horizontal position of the lying surface parts.
  • the blocking devices 27 and 40 assigned to the telescopic supports 8, 9 are in the released position.
  • the arrangement of the telescopic linkage 60 shown in FIGS. 8 to 10 ensures that when the backrest 1 is pivoted out of the horizontal position, the lower leg rest 3 initially does not move visibly. Only after a certain adjustment angle of the backrest 1 is the lower leg rest 3 pivoted more intensely.
  • the lying surface parts 1, 2, 3 assume a sitting position for the patient.
  • This illustration also shows that the middle part 2 has been moved into an inclined position.

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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)
  • Invalid Beds And Related Equipment (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)

Description

Die Erfindung bezieht sich auf ein Krankenbett mit einer aus einer Rückenlehne, einem Mittelteil und einer Unterschenkellehne bestehenden Liegefläche, mit in einer Horizontalebene liegenden Drehachsen für die Rückenlehne und für die Unterschenkellehne und Gelenkachsen zwischen der Rückenlehne und dem Mittelteil und dem Mittelteil und der Unterschenkellehne, die im Raum zwischen den Drehachsen liegen und sich bewegen und mit zwei Teleskopstützen, die mit einem Ende am Mittelteil und mit dem anderen Ende an der Rückenlehne bzw. an der Unterschenkellehne angelenkt und über einen Handgriff betätigbar sind.The invention relates to a hospital bed with a lying surface consisting of a backrest, a middle part and a lower leg rest, with axes of rotation lying in a horizontal plane for the backrest and for the lower leg rest and articulated axes between the backrest and the middle part and the middle part and the lower leg rest lie and move in the space between the axes of rotation and with two telescopic supports which are articulated at one end to the central part and at the other end to the backrest or lower leg rest and can be actuated by means of a handle.

Es ist ein Krankenbett dieser Art bekannt (DE-OS 23 11 607), bei dem die Liegefläche in der Höhe verstellt werden kann und die Möglichkeit besteht, die Rückenlehne und die Unterschenkellehne unabhängig voneinander um horizontale Achsen zu verschwenken.A bed of this type is known (DE-OS 23 11 607), in which the lying surface can be adjusted in height and there is the possibility of pivoting the backrest and the lower leg rest independently of one another about horizontal axes.

Eine synchrone Drehbewegung der Rückenlehne und der Unterschenkellehne in entgegengestzten Drehrichtungen ist bei diesem bekannten Krankenbett nicht durchführbar.A synchronous rotational movement of the backrest and the lower leg rest in opposite directions of rotation cannot be carried out with this known bed.

Es ist ferner ein einstellbares Bettgestell bekannt (DE-PS 540 623), das eine Rückenlehne, ein Mittelteil und eine Unterschenkellehne aufweist und bei dem eine gleichzeitige Drehbewegung der Rückenlehne und der Unterschenkellehne in entgegengesetzten Drehrichtungen durch ein Gestänge ermöglicht wird, das die Rückenlehne an die Unterschenkellehne koppelt. Eine unabhängige Verstellung der Unterschenkellehne zu der Rückenlehne wird innerbalb gewisser Grenzen dadurch ermöglicht daß die Unterschenkellehne in ihrer Lage mittels einer Sperrklinke eingestellt werden kann. Sie läßt sich jedoch nicht absenken, ohne daß die Rückenlehne zugleich angehoben wird.There is also an adjustable bed frame known (DE-PS 540 623), which has a backrest, a middle part and a lower leg rest and in which a simultaneous rotational movement of the backrest and lower leg rest is made possible in opposite directions of rotation by a linkage that connects the backrest to the Lower leg rest couples. An independent adjustment of the lower leg rest to the back rest is made possible within certain limits by the fact that the position of the lower leg rest can be adjusted by means of a pawl. However, it cannot be lowered without the backrest being raised at the same time.

Der Erfindung liegt die Aufgabe zugrunde, ein Krankenbett der eingangs genannten Art so zu gestalten, daß wahlweise die Unterschenkellehne mit der Rückenlehne synchron in entgegengesetzten Drehrichtungen oder die Unterschenkellehne und die Rückenlehne unabhängig voneinander verstellbar sind.The invention has for its object to design a bed of the type mentioned so that either the lower leg rest with the backrest synchronously in opposite directions of rotation or the lower leg rest and the backrest are independently adjustable.

Diese Aufgabe wird nach der Erfindung dadurch gelöst, daß zur gleichzeitigen Drehbewegung der Rückenlehne und der Unterschenkellehne um die Drehachsen in entgegengesetzten Drehrichtungen die Betätigungseinrichtungen für die Verriegelungen der Teleskopstützen zur gleichzeitigen Betätigung miteinander koppelbar und sowohl Rückenlehne als auch Unterschenkellehne über ein Teleskopgestänge mittels einer Vorrichtung koppelbar sind und daß für die unabhängige Verstellung der Rückenlehne und der Unterschenkellehne sowohl die Verbindung zwischen den Betätigungseinrichtungen für die Verriegelung der Teleskopstützen als auch das Teleskopgestänge entkoppelbar sind.This object is achieved according to the invention in that for the simultaneous rotary movement of the backrest and the lower leg rest about the axes of rotation in opposite directions of rotation, the actuating devices for locking the telescopic supports for simultaneous actuation can be coupled to one another and both the backrest and lower leg rest can be coupled via a telescopic linkage by means of a device and that both the connection between the actuation devices for locking the telescopic supports and the telescopic linkage can be decoupled for the independent adjustment of the backrest and the lower leg rest.

Bei einer vorteilhaften Ausführungsform der Erfindung sind die Vorrichtung zum Koppeln der Gestängeteile des Teleskopgestänges und das als Teleskopgestänge ausgebildete Kopplungsmittel für die Betätigungseinrichtungen der Teleskopstützen synchron über einen Bowdenzug betätigbar, der über einen Handgriff in seine Schaltstellungen gebracht werden kann.In an advantageous embodiment of the invention, the device for coupling the linkage parts of the telescopic linkage and the coupling means designed as a telescopic linkage for the actuating devices of the telescopic supports can be actuated synchronously via a Bowden cable, which can be brought into its switching positions via a handle.

Für das Pflegepersonal bzw. für den Patienten ist es somit sehr einfach, eine der Verstellmöglichkeiten der Liegeflächenteile auszuwählen.It is therefore very easy for the nursing staff or the patient to select one of the adjustment options for the lying surface parts.

Ausführungsbeispiele der Erfindung sind in den Zeichnungen dargestellt und werden im folgenden beschrieben.Embodiments of the invention are shown in the drawings and are described below.

Es zeigen:

  • Fig. 1 die Liegeflächenteile in horizontaler Stellung in einer Seitenansicht,
  • Fig. 2 den der Fig. 1 entsprechenden Grundriß,
  • Fig. 3 eine Teilansicht der Fig. 1 in vergrößertem Maßstab,
  • Fig. 4 eine Teilansicht der Fig. 2 in vergrößertem Maßstab,
  • Fig. 5 einen Schnitt nach der Linie V-V in Fig. 4,
  • Fig. 6 einen Schnitt nach der Linie VI-VI in Fig. 5,
  • Fig. 7 einen Schnitt nach der Linie VII-VII in Fig. 3,
  • Fig. 8 die Liegeflächenteile in horizontaler Lage mit einer gegenüber der Fig. 1 abgewandelten Betätigungseinrichtung,
  • Fig. 9 einen Grundriß zu der Fig. 8 und
  • Fig. 10 die Liegeflächenteile bei einer Krankenbettkonstruktion nach den Fig. 8 und 9 in einer Sitzstellung.
Show it:
  • 1 the lying surface parts in the horizontal position in a side view,
  • 2 the plan corresponding to FIG. 1,
  • 3 is a partial view of FIG. 1 on an enlarged scale,
  • 4 is a partial view of FIG. 2 on an enlarged scale,
  • 5 shows a section along the line VV in Fig. 4,
  • 6 shows a section along the line VI-VI in FIG. 5,
  • 7 is a section along the line VII-VII in Fig. 3,
  • 8 shows the lying surface parts in a horizontal position with an actuating device modified compared to FIG. 1,
  • Fig. 9 is a plan view of Fig. 8 and
  • Fig. 10, the lying surface parts in a bed structure according to FIGS. 8 and 9 in a sitting position.

Das in den Fig. 1 bis 4 aufgezeigte Krankenbett weist eine Rückenlehne 1, ein Mittelteil 2 und eine Unterschenkellehne 3 auf, die die Liegefläche des Krankenbettes bilden. Die Rückenlehne 1 ist in einer Gelenkachse 4 und die Unterschenkellehne 3 in einer Gelenkachse 5 am Mittelteil 2 schwenkbar engelenkt. Die Rückenlehne 1 ist um eine Achse 6 und die Unterschenkellehne 3 um eine Achse 7 im Gestell des Krankenbettes drehbar gelagert. Die Gelenkachsen 4 und 5 liegen im Raum zwischen den Drehachsen 6 und 7 und bewegen sich auch in den verschiedenen Stellungen der Rückenlehne, des Mittelteils und der Unterschenkellehne in diesem Raum. Durch diese Anordnung der Gelenkachsen 4, 5 zwischen der Rückenlehne 1 und dem Mittelteil 2 bzw. der Unterschenkellehne 3 und dem Mittelteil 2 in bezug auf die Drehachsen 6 und 7 besteht die M-ogfichkeit, daß der Patient mit seinem Körpergewicht die Verstellbewegungen der Liegeflächenteile unterstützt. Die Drehachse 6 ist im Gestell des Krankenbettes ortsfest angeordnet, während die Drehachse 7 bei der Verstellung der Liegeflächenteile eine Einstellbewegung ausführen kann. Die Verstelleinrichtung des Krankenbettes weist zwei Teleskopstützen 8,9 auf, die mit ihren Außenrohren 10, 11 am hinteren Ende an Laschen 12 angelenkt sind, die im Bereich ihrer Flansche 13 am Mittelteil 2 befestigt sind. Das ausfahrbare Rohr 14 der Teleskopstütze 8 ist an einer Konsole 15 angelenkt, die mit ihrem Befestigungsflansch 16 and der Rückenlehne 1 festgelegt ist. Das ausfahrbare Rohr 17 der Teleskopstütze 9 ist an einer Konsole 18 angelenkt, die mit ihrem Befestigungsflansch 19 an der Unterschenkellehne 3 festgelegt ist.The bed shown in FIGS. 1 to 4 has a backrest 1, a middle part 2 and a lower leg rest 3 which form the lying surface of the bed. The backrest 1 is pivotably articulated in a hinge axis 4 and the lower legrest 3 in a hinge axis 5 on the central part 2. The backrest 1 is rotatably supported about an axis 6 and the lower leg rest 3 about an axis 7 in the frame of the hospital bed. The articulated axes 4 and 5 lie in the space between the axes of rotation 6 and 7 and also move in the different positions of the backrest, the middle part and the lower leg rest in this space. With this arrangement of the articulated axes 4, 5 between the backrest 1 and the middle part 2 or the lower leg rest 3 and the middle part 2 with respect to the axes of rotation 6 and 7, there is the possibility that the patient will make the adjustment movements with his body weight the bed surface supports. The axis of rotation 6 is arranged stationary in the frame of the hospital bed, while the axis of rotation 7 can carry out an adjustment movement when the lying surface parts are adjusted. The adjustment device of the hospital bed has two telescopic supports 8, 9, which are articulated with their outer tubes 10, 11 at the rear end to brackets 12 which are fastened to the middle part 2 in the region of their flanges 13. The extendable tube 14 of the telescopic support 8 is articulated on a bracket 15 which is fixed to the backrest 1 with its fastening flange 16. The extendable tube 17 of the telescopic support 9 is articulated on a bracket 18 which is fixed to the lower leg rest 3 with its fastening flange 19.

Innerhalb der Teleskopstützen 8,9 können Kraftspeicher, z.B. ungesteuerte oder gesteuerte Gasfedern vorgesehen sein, durch die die Gewichte der zu verstellenden Liegeflächenteile kompensiert werden.Energy storage devices, e.g. uncontrolled or controlled gas springs can be provided, by means of which the weights of the lying surface parts to be adjusted are compensated.

Die Betätigungseinrichtung für die Teleskopstützen 8,9 weist Handgriffe 20 auf, die untereinander über eine drehbar im Gestell des Krankenbettes gelagerte Welle 21 verbunden sind. Aus der Fig. 2 ergibt sich, daß die Handgriffe 20 von beiden Bettseiten betätigbar sind. An der Welle 21 ist ein Hebel 22 befestigt, der einen Zapfen 23 trägt, der in ein Langloch 24 einer Stange 25 eingreift, die zum Betätigungshebel 26 einer Blockiervorrichtung 27 der Teleskopstütze 8 führt. Die Blockiervorrichtung 27 weist einen Verriegelungsbolzen 28 auf, der in einem Gehäuse 29 geführt ist, das am Aussenrohr 10 der Teleskopstütze 8 befestigt ist. Der Bolzen ist über einen Querstift 30 am Oberteil 31 des Gehäuses festgelegt, welches eine Schrägfläche 32 aufweist, die unter dem gleichen Winkel verläuft wie eine Schrägfläche 33 des Gehäuses. Der Verriegelungsbolzen 28 weist einen Bung 34 auf, an dem sich eine zylindrische Schraubenfeder 35 abstützt. Das Rastende 36 des Verriegelungsbolzens greift in eine Rastaussparung 37 des ausfahrbaren Rohres 14 ein. Das ausfahrbare Rohr 14 ist mit einer Reihe von Rastaussparungen 37 versehen.The actuating device for the telescopic supports 8, 9 has handles 20 which are connected to one another via a shaft 21 which is rotatably mounted in the frame of the hospital bed. From Fig. 2 it follows that the handles 20 can be actuated from both sides of the bed. A lever 22 is attached to the shaft 21, which carries a pin 23 which engages in an elongated hole 24 of a rod 25 which leads to the actuating lever 26 of a blocking device 27 of the telescopic support 8. The blocking device 27 has a locking bolt 28 which is guided in a housing 29 which is fastened to the outer tube 10 of the telescopic support 8. The bolt is fixed via a cross pin 30 to the upper part 31 of the housing, which has an inclined surface 32 which extends at the same angle as an inclined surface 33 of the housing. The locking bolt 28 has a bung 34 on which a cylindrical coil spring 35 is supported. The locking end 36 of the locking bolt engages in a locking recess 37 of the extendable tube 14. The extendable tube 14 is provided with a series of locking recesses 37.

Wird der Betätigungshebel 26 über die Stange 25 betätigt und gedreht, so bewegt sich der Verriegelungsbolzen 28 entgegen der Wirkung der Feder 35 nach oben und fährt mit seinem Rastende 36 aus der Rastaussparung 37. Das Rohr 14 kann nun aus dem Aussenrohr der Teleskopstütze gefahren und die Rückenlehne 1 verstellt werden.If the actuating lever 26 is actuated and rotated via the rod 25, the locking bolt 28 moves upward against the action of the spring 35 and moves with its latching end 36 out of the latching recess 37. The tube 14 can now be moved out of the outer tube of the telescopic support and the Backrest 1 can be adjusted.

Aus der Fig. 4 ergibt sich, daß der Zapfen 23 mit einer Stange 38 gekoppelt ist, die parallel zu der Stange 25 verläuft und zu einem Betätigungshebel 39 einer Blockiervorrichtung 40 führt, die im gleichen Sinne wie die Blokkiervorrichtung 27 aufgebaut ist. Am Ende der Stange 38 ist ein Langloch 41 vorgesehen, durch das ein Leerhub gegenüber dem Betätigungshebel 39 erzielt wird, sofern die Welle 21 und der Hebel 22 in der Fig. 3 entgegen dem Uhrzeigersinn gedreht werden. In diesem Fall wird die Blockiervorrichtung 27 in ihre entsperrte Stellung gebracht.From Fig. 4 it follows that the pin 23 is coupled to a rod 38 which runs parallel to the rod 25 and leads to an actuating lever 39 of a blocking device 40, which is constructed in the same sense as the blocking device 27. At the end of the rod 38, an elongated hole 41 is provided, through which an idle stroke is achieved in relation to the actuating lever 39, provided the shaft 21 and the lever 22 are rotated counterclockwise in FIG. 3. In this case, the blocking device 27 is brought into its unlocked position.

Sofern in der Fig. 3 die Welle 21 und der mit ihr verbundene Hebel 22 im Uhrzeigersinn gedreht werden, wird uber die Stange 38 die Blockiervorrichtung 40 in die entsperrte Stellung gebracht, während der Zapfen 23 im Langloch 24 einen Leerhub macht, so daß die Blockiervorrichtung 27 nicht betätigt wird. In diesem Fall gibt die Blockiervorrichtung 40 das ausfahrbare Rohr 17 der Teleskopstütze 9 frei, so daß die Unterschenkellehne 3 verstellt werden kann.If the shaft 21 and the lever 22 connected to it are rotated clockwise in FIG. 3, the blocking device 40 is brought into the unlocked position via the rod 38, while the pin 23 in the slot 24 makes an idle stroke, so that the blocking device 27 is not operated. In this case, the blocking device 40 releases the extendable tube 17 of the telescopic support 9, so that the lower leg rest 3 can be adjusted.

Mit der bisher beschriebenen Betätigungsvorrichtung für die Teleskopstützen 8 und 9 ist es somit möglich, die Rückenlehne 1 und die Unterschenkellehne 3 unabhängig voneinander zu verstellen.With the previously described actuating device for the telescopic supports 8 and 9, it is thus possible to adjust the backrest 1 and the lower leg rest 3 independently of one another.

Sofern eine synchrone Verstellbewegung der Rückenlehne 1 und der Unterschenkellehne 3, und zwar in entgegengesetzten Richtungen gewünscht wird-beim Anheben der Rückenlehne wird die Unterschenkellehne abgesenkt bzw. beim Absenken der Rückenlehne wird die Unterschenkellehne angehobenmüsen die Blockiervorriclitungen '1.7 und 40 gleichzeitig gelöst werden und ferner muß zwischen der Rückenlehne und der Unterschenkellehne ein Teleskopgestänge gekoppelt werden.If a synchronous adjustment movement of the backrest 1 and the lower leg rest 3 is desired, namely in opposite directions - when the back rest is raised, the lower leg rest is lowered or when the back rest is lowered, the locking leg locks 1.7 and 40 have to be released simultaneously and further must a telescopic linkage can be coupled between the backrest and the lower leg rest.

Zwischen den Betätigungshebeln 26 und 39 der Biockiervorrichtungen 27 und 40 ist ein Teleskopgestänge 42 angeordnet. In dem Aussenrohr 43, das mit seinem hinteren Ende am Betätigungshebel 39 angelenkt ist, ist eine Feder 44 vorgesehen, die sich mit einem Ende an der ausfahrbaren Stange 45 abstützt. Die ausfahrbare Stange 45 ist am Betätigungshebel 26 der Blockiervorrichtung 27 angelenkt. Die ausfahrbare Stange 45 ist über eine Kopplungsvorrichtung 46 gegenüber dem Aussenrohr festlegbar. Sofern das Teleskopgestänge 42 gekoppelt ist und eine Koppelstange zwischen den Betätigungshebeln 26 und 39 bildet, werden bei einer Betätigung des Handgriffs 20 die Blockiervorrichtungen 27 und 40 in eine entsperrte Stellung gebracht, so daß die Rückenlehne und die Unterschenkellehne gleichzeitig verstellt werden können.A telescopic linkage 42 is arranged between the actuating levers 26 and 39 of the locking devices 27 and 40. In the outer tube 43, which is hinged at its rear end to the actuating lever 39, a spring 44 is provided, which is supported at one end on the extendable rod 45. The extendable rod 45 is articulated on the actuating lever 26 of the blocking device 27. The extendable rod 45 can be fixed relative to the outer tube via a coupling device 46. If the telescopic linkage 42 is coupled and forms a coupling rod between the actuating levers 26 and 39, the blocking devices 27 and 40 are brought into an unlocked position when the handle 20 is actuated, so that the backrest and the lower leg rest can be adjusted simultaneously.

Zwischen der Rückenlehne 1 und der Unterschenkellehne 3 ist ein Teleskopgestänge 47 angeordnet. Das Aussenrohr 48 ist bei dem Ausführungsbeispiel als flaches Rechteckrohr ausgebiÏdet und über einen Ausleger 49 an der Konsole 18 angelenkt. An dem Aussenrohr 48 ist eine Kopplungsvorrichtung 50 befestigft, die konstruktiv wie die Blockiervorrichtungen aufgebaut ist. Sie weist ein Gehäuse 51 mit einer Schrägfläche 52 auf, mit der die Schrägfläche eines Oberteils 53 zusammenwirkt. An dem Oberteil ist ein Verriegelungsbolzen befestigt, der in dem Gehäuse 51 gleitbar gelagert ist und mit einer Feder belastet wird. Der Verriegelungsbolzen greift in eine Rastaussparung 54 eines ausfahrbaren Teiles 55 ein. Das ausfahrbare Teil 55 ist an einer Konsole 15 der Rückenlehne 1 angelenkt.A telescopic linkage 47 is arranged between the backrest 1 and the lower leg rest 3. In the exemplary embodiment, the outer tube 48 is designed as a flat rectangular tube and is articulated on the bracket 18 via a bracket 49. A coupling device 50 is fastened to the outer tube 48 and is constructed in the same way as the blocking devices. It has a housing 51 with an inclined surface 52, with which the inclined surface of an upper part 53 interacts. A locking bolt is fastened to the upper part, which is slidably mounted in the housing 51 and is loaded with a spring. The locking bolt engages in a locking recess tion 54 of an extendable part 55 a. The extendable part 55 is articulated on a bracket 15 of the backrest 1.

An dem Oberteil 53 ist ein Handgriff 56 befestigt, der in die in der Fig. 3 in ausgezogenen Linien aufgezeigte Stellung gebracht werden muß, um die Kopplung der Teile 48 und 55 des Teleskopgestänges in die Wege zu leiten.A handle 56 is fastened to the upper part 53 and must be brought into the position shown in solid lines in FIG. 3 in order to initiate the coupling of the parts 48 and 55 of the telescopic linkage.

Bei dem Ausführungsbeispiel nach den Fig. 1 bis 7 rastet die Kopplungsvorrichtung 50 für das Teleskopgestänge zwischen der Rückenlehne und der Unterschenkellehne erst dann ein, wenn die Rückenlehne eine Schrägstellung von etwa 30° eingenommen hat. Erst von diesem Zeitpunkt an wird dann bei einem weiteren Anheben der Rückenlehne 1 die Unterschenkellehne 3 abgesenkt.In the embodiment according to FIGS. 1 to 7, the coupling device 50 for the telescopic rod between the backrest and the lower leg rest only engages when the backrest has assumed an inclined position of approximately 30 °. Only from this point in time is the lower leg rest 3 lowered when the backrest 1 is raised further.

Zwischen der Kopplungsvorrichtung 50 und der Kopplungsvorrichtung 46 ist ein Bowdenzug 57 vorgesehen, über den im Zeitpunkt der Kopplung des Teleskopgestänges 47 eine Kopplung des Teleskopgestänges 42 vorgenommen wird, so daß also bei der Umschaltung auf gleichzeitige Betätigung der Rückenlehne 1 und der Unterschenkellehne 3 nur der Handgriff 56 betätigt zu werden braucht.Between the coupling device 50 and the coupling device 46, a Bowden cable 57 is provided, via which, at the time of coupling the telescopic linkage 47, the telescopic linkage 42 is coupled, so that when the switch is made to simultaneous actuation of the backrest 1 and the lower leg rest 3, only the handle 56 needs to be operated.

Der Handgriff 56 ist in der Fig. 3 in strichpunktierten Linien in der Stellung aufgezeigt, in der die Arretiervorrichtungen der Teleskopgestänge gelöst sind.The handle 56 is shown in FIG. 3 in dash-dotted lines in the position in which the locking devices of the telescopic linkage are released.

Der Handgriff 56 ist, wie sich aus der Fig. 7 ergibt, mit einem Anschlagausleger 58 ausgerüstet, der mit der vorderen Kante der Lasche 12 zusammenarbeitet. Bei der Rückstellbewegung der Rückenlehne 1 in die horizontale Lage arbeitet der Anschlagausleger 58 mit der Lasche 12 zusammen, so daß der Handgriff 56 in die entsperrte Lage geschwenkt wird. Bei dem Ausführungsbeispiel nach den Fig. 8 bis 10 nimmt das zwischen der Rückenlehne 1 und der Unterschenkellehne 3 vorgesehene Teleskopgestänge 60 in der horizontalen Lage der Liegeflächenteile gegenüber der Liegefläche einen spitzen Winkel ein. Dies kann aus der Fig. 8 entnommen werden. An der Rückenlehne 1 ist ein begenfömiger Ausleger 61 befestigt, der mit seinem freien Ende in den Bereich unterhalb des Mittelteils 2 ragt und an dem der ausfahrbare fTeil 62 des Teleskopgestänges 60 angelenkt ist.7, the handle 56 is equipped with a stop arm 58 which cooperates with the front edge of the tab 12. When the backrest 1 moves back into the horizontal position, the stop arm 58 works together with the bracket 12, so that the handle 56 is pivoted into the unlocked position. In the embodiment according to FIGS. 8 to 10, the telescopic rod 60 provided between the backrest 1 and the lower leg rest 3 assumes an acute angle in the horizontal position of the lying surface parts with respect to the lying surface. This can be seen in FIG. 8. Attached to the backrest 1 is a curved arm 61, which projects with its free end into the area below the middle part 2 and to which the extendable part 62 of the telescopic rod 60 is articulated.

An der Unterschenkellehne 3 ist eine Konsole 63 befestigt, an der das Aussenrohr 64 des Teleskopgestänges angelenkt ist. Dem Teleskopgestänge ist eine Kopplungsvorrichtung 65 zugeordnet, die über einen Bowdenzug 57 mit der Kopplungsvorrichtung 46 des Teleskopgestänges 42 der Betätigungseinrichtung für die Teleskopstützen 8 und 9 gekoppelt ist.A bracket 63 is fastened to the lower leg rest 3, to which the outer tube 64 of the telescopic rod is articulated. The telescopic linkage is assigned a coupling device 65, which is coupled via a Bowden cable 57 to the coupling device 46 of the telescopic linkage 42 of the actuating device for the telescopic supports 8 and 9.

Durch die gewählte Anordnung des Teleskopgestänges 60 können die Kopplungsvorrichtung 65 und 46 schon in der Horizontallage der Liegeflächenteile eingeschaltet werden. Während der gesamten Verstellbewegung der Rückenlehne 1 und der Unterschenkellene 2 sind die den Teleskopstützen 8,9 zugeordneten Blockiervorrichtungen 27 und 40 in der gelösten Stellung.Due to the selected arrangement of the telescopic rod 60, the coupling devices 65 and 46 can be switched on already in the horizontal position of the lying surface parts. During the entire adjustment movement of the backrest 1 and the lower leg 2, the blocking devices 27 and 40 assigned to the telescopic supports 8, 9 are in the released position.

Durch die in den Fig. 8 bis 10 aufgezeigte Anordnung des Teleskopgestänges 60 wird erreicht, daß bei einer Verschwenkung der Rückenlehne 1 aus der horizontalen Lage sich die Unterschenkellehne 3 zunächst nicht sichtbar bewegt. Erst nach einem bestimmten Verstellwinkel der Rückenlehne 1 wird auch die Unterschenkellehne 3 intensiver verschwenkt.The arrangement of the telescopic linkage 60 shown in FIGS. 8 to 10 ensures that when the backrest 1 is pivoted out of the horizontal position, the lower leg rest 3 initially does not move visibly. Only after a certain adjustment angle of the backrest 1 is the lower leg rest 3 pivoted more intensely.

In der Fig. 10 nehmen die Liegeflächenteile 1, 2, 3 eine Sitzstellung für den Patienten ein. Aus dieser Darstellung ergibt sich auch, daß das Mittelteil 2 in eine Schräglage bewegt wurde.10, the lying surface parts 1, 2, 3 assume a sitting position for the patient. This illustration also shows that the middle part 2 has been moved into an inclined position.

Claims (12)

1. A hospital bed comprising a back rest (1), a seat section (2) and a shank (3), having two pivots (6,7) arranged in a common horizontal plane for supporting the back and shank rests and two pivots (4,5) arranged at the joints between the back rest and seat and between the seat section and shank and in the area between the pivots (6,7), further having two telescopic posts (8,9) swivel-mounted on one end to the seat section and on the other end to the back rest and/or shank rest and adapted to be actuated by means of a handle (20), characterized in that the actuating means for locking the telescopic posts (8,9) can be coupled to make the back and shank rests (1,3) execute simutaneous rotary motions about the pivots (6,7) in opposite directions, that both the back rest (1) and shank rest (3) can be coupled via a telescopic linkage (47,60) with the aid of means (50,65), and that both the connection between the actuating means for locking the telescopic posts (8,9) and the telescopic linkage (47,60) can be uncoupled for allowing individual adjustment of the back rest (1) and shank rest (3).
2. A hospital bed as described in Claim 1, characterized in that means (50,65) for coupling parts of the telescopic linkage (47,60) and said coupling means, having the configuration of a telescopic linkage (42), for the actuating means of the telescopic posts (8,9) can be actuated synchronously.
3. A hospital bed as described in Claim 2, characterized in that a Bowden cable (57) are provided for said synchronous actuation.
4. A hospital bed as described in any one of Claims 1 to 3, characterized in that the actuating means for the telescopic posts (8,9) comprises two parallel bars (25,38) whereof the one (25) is extended to the actuating lever (26) of the locking means (27) for the one telescopic post (8) and the other (38) is extended to the actuating lever (39) of the locking means (40) for the other telescopic post (9), that on actuation of the handle (20) in either direction one of said bars executes an idle motion relative to the other bar, and that only one of said locking means can be actuated.
5. A hospital bed as described in Claim 4, characterized in that oblong holes (24,41) are provided in the bars (25,38) to allow the execution of said idle motion.
6. A hospital bed as described in Claim 1, characterized in that the actuating means for the telescopic posts (8,9) can be coupled via a telescopic linkage (42) provided with a coupling means (46).
7. A hospital bed as described in Claim 6, characterized in that a spring (44) is arranged in the outer tube (43) of the telescopic linkage (42) and that said spring rests, on one end, upon the extensible rod (45).
8. A hospital bed as described in any one of the preceding claims, characterized in that, with the back rest at an inclination of approx. 30 degrees, the coupling means (50) for the telescopic linkage (47) between the back rest (1) and shank rest (3) can be locked into place.
9. A hospital bed as described in Claim 8, characterized in that the handle (56) of the coupling means (50) is provided with a catch member (58) that co-operates with a strap (12) attached to the center section (2) when the back rest (1) is moved down below said inclined position of 30 degrees.
10. A hospital bed as described in Claim 1, characterized in that the telescopic linkage (60) arranged between the back rest (1) and shank rest (3) forms an acute angle together with the bed surface when the bed sections (1, 2, 3) are in the horizontal position.
11. A hospital bed as described in Claim 1, characterized in that the back rest (1) has an arcuate extension member (61) that extends into the area underneath the seat section (2) when the back rest has been lowered, and to which the telescopic linkage (60) is articulated.
12. A hospital bed as described in Claim 11, characterized in that the rear end of the outer tube (64) of the telescopic linkage (60) is swivel-mounted on a bracket (63) which is fixed to the shank rest and whose free end extends into the area underneath the pivot (5) when the bed sections are stretched out in a horizontal. position.
EP19790100471 1978-03-16 1979-02-19 Hospital bed Expired EP0004282B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19782811409 DE2811409C2 (en) 1978-03-16 1978-03-16 Sickbed
DE2811409 1978-03-16

Publications (3)

Publication Number Publication Date
EP0004282A2 EP0004282A2 (en) 1979-10-03
EP0004282A3 EP0004282A3 (en) 1979-10-31
EP0004282B1 true EP0004282B1 (en) 1981-03-04

Family

ID=6034597

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19790100471 Expired EP0004282B1 (en) 1978-03-16 1979-02-19 Hospital bed

Country Status (4)

Country Link
EP (1) EP0004282B1 (en)
AT (1) AT365921B (en)
DE (1) DE2811409C2 (en)
ES (1) ES242039Y (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19544250C1 (en) * 1995-11-28 1997-05-28 Stiegelmeyer & Co Gmbh Bed for use by patients

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2913712C2 (en) * 1979-04-05 1987-12-23 Joh. Stiegelmeyer & Co Gmbh, 4900 Herford Sickbed
DE2943546C2 (en) * 1979-10-27 1985-04-25 L. & C. Arnold Gmbh, 7060 Schorndorf Sickbed
DE3703433C3 (en) * 1987-02-05 1996-08-08 Wissner Bosserhoff Gmbh Sick bed with motorized or mechanically tiltable back frame
US5105486A (en) * 1990-06-18 1992-04-21 Joerns Healthcare Inc. Adjustable bed

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Publication number Priority date Publication date Assignee Title
DE192249C (en) *
DE540623C (en) * 1928-07-19 1932-01-09 Everitt S Patents Company Ltd Adjustable bed frame
DE662465C (en) * 1935-10-09 1938-07-14 John Eriksen Mattresses, especially for hospital beds
US2620489A (en) * 1946-07-13 1952-12-09 Luther E Holm Hospital bed adjusting mechanism
US3127619A (en) * 1958-06-02 1964-04-07 United States Bedding Co Contour bed
DE2311607A1 (en) * 1973-03-09 1974-09-19 Bremshey Ag BED, ESPECIALLY SICK BED

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19544250C1 (en) * 1995-11-28 1997-05-28 Stiegelmeyer & Co Gmbh Bed for use by patients

Also Published As

Publication number Publication date
AT365921B (en) 1982-02-25
EP0004282A3 (en) 1979-10-31
ES242039Y (en) 1979-12-01
ATA138779A (en) 1981-07-15
DE2811409A1 (en) 1979-09-20
DE2811409C2 (en) 1982-04-15
EP0004282A2 (en) 1979-10-03
ES242039U (en) 1979-07-01

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