EP2716270B1 - Bett und Verwendung des Betts - Google Patents

Bett und Verwendung des Betts Download PDF

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Publication number
EP2716270B1
EP2716270B1 EP13187387.9A EP13187387A EP2716270B1 EP 2716270 B1 EP2716270 B1 EP 2716270B1 EP 13187387 A EP13187387 A EP 13187387A EP 2716270 B1 EP2716270 B1 EP 2716270B1
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EP
European Patent Office
Prior art keywords
attack
bed
bottom frame
point
top frame
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Not-in-force
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EP13187387.9A
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English (en)
French (fr)
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EP2716270A1 (de
Inventor
Hans Balle
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KR Hospitalsudstyr AS
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KR Hospitalsudstyr AS
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Publication of EP2716270A1 publication Critical patent/EP2716270A1/de
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Publication of EP2716270B1 publication Critical patent/EP2716270B1/de
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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
    • A61G7/012—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame raising or lowering of the whole mattress frame
    • 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
    • A61G7/16—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto converting a lying surface into a chair

Definitions

  • the invention relates to a bed comprising a bottom frame including support means for engaging an underlying ground and a top frame comprising a bed surface for supporting a person lying in the bed.
  • the bed also comprises a lifting mechanism arranged between the bottom frame and the top frame to displace the bottom frame and the top frame in relation to each other.
  • the invention further relates to use of a bed.
  • Beds comprising some sort of motorised elevation mechanism for adjusting the height of the bed have been known for several years particularly for use within hospitals, retirement homes, care homes but also in private homes e.g. to enable easier access to the bed for less mobile persons and/or to ensure a good working position for a nurse or similar.
  • the lifting mechanism of a hospital bed may also tilt the bed so that the foot of bed is lowered while the opposite end is raised while the bed surface is transformed, so that the bed more or less changes into a chair, hereby enabling that the patient is carefully raised from a lying position into a sitting position from which the patient much easier can leave the bed.
  • the presented lifting mechanism has severe limitations regarding the angle in which the bed can be inclined.
  • An object of the invention is therefore to provide for a bed with a more advantageous lifting mechanism.
  • the invention provides a bed as claimed in claim 1, comprising a bottom frame including support means for engaging an underlying ground and a top frame comprising a bed surface for supporting a person lying in the bed.
  • the bed also comprises a lifting mechanism arranged between the bottom frame and the top frame to displace the bottom frame and the top frame in relation to each other, wherein the lifting mechanism comprises a first lifting arm being driven by a first actuator and a second lifting arm being driven by a second actuator.
  • the lifting arms are rotatably connected to the bottom frame in a first bottom frame point of attack and a second bottom frame point of attack, respectively, and both slidably and rotatably connected to the top frame in a first top frame point of attack and a second top frame point of attack, respectively.
  • the first lifting arm is rotatably connected to the bottom frame in the first bottom frame point of attack around a first bottom frame rotational axis and the second lifting arm is rotatably connected to the bottom frame in the second bottom frame point of attack around a second bottom frame rotational axis and wherein the first bottom frame rotational axis and the second bottom frame rotational axis are substantially coaxial.
  • Connecting two individually driven lifting arms slidably to the top frame is advantageous in that - besides enabling that the lifting arms can change the vertical position of the top frame in relation to the bottom frame - the sliding connection can also be used for displacing the top frame horizontally in relation to the bottom frame, hereby enabling that the top frame can also be moved e.g. forward in relation to the bottom frame when the front end of the bed is lowered by lowering only the front lifting arm.
  • Connecting the lifting arms rotatably to the bottom frame in the same point is advantageous in that it enables a pendulum motion of the top frame in relation to the bottom frame which along with the possibility of horizontal displacement of the top frame enables that the front end of the bed can be moved close to the ground without colliding with the bottom frame. Furthermore, the coaxial rotational axis enables a more compact and efficient lifting mechanism design.
  • the lifting arms are rotatably connected to the bottom frame in a first bottom frame point of attack and a second bottom frame point of attack, respectively.
  • the lifting arms are directly or indirectly connected to the bottom frame through some sort of pivotal joint. I.e. the lifting arms does not necessary have to be directly connected to the bottom frame but could be rotatably connected through one or more further arms or one lifting arm could be rotatably connected somewhere on the other lifting arm, which then in turn would be rotatably connected to the bottom frame.
  • the lifting arms are ... slidably and rotatably connected to the top frame in a first top frame point of attack and a second top frame point of attack, respectively.
  • the lifting arms are directly or indirectly connected to the top frame through some sort of pivotal joint and some sort of track, guide, rails, cams or similar means allowing that a point of attack between the lifting arms and the top frame can be displaced in relation to each other to enable said sliding. I.e.
  • the lifting arms does not necessary have to be directly connected to the top frame but could be rotatably and/or slidably connected through one or more further arms and the means allowing the connection to be rotatable does not necessary have to coincide or be arranged together with the means allowing the connection to be slidable.
  • said first actuator is connected to said first lifting arm through a first lever arm gear and/or said second actuator is connected to said second lifting arm through a second lever arm gear.
  • the rotational speed of the top frame points of attack will vary with the angle of the lifting arm - even if the actuators are operating at a constant speed. And the force required from the actuators to lift a given load on the top frame will vary much over the entire vertical stroke of the top frame. However, by connecting the actuators to the lifting arms through lever gears it is possible to counteract this speed variation and variation in force required from the actuators - at least to some degree.
  • the actuators have to be dimensioned according to the highest load and it is therefore advantageous to connect the actuators to the lifting arms through lever arm gears that can even out the force requirement and thereby enable that actuators with a smaller capacity can actuate the lifting arm over the entire stroke of the top frame. And it is advantageous in that it also provides a more constant lifting speed over the entire vertical stroke.
  • lever arm gear is to be understood a gearbox or a transmission that will gear the motion of the actuators in relation to the motion of the lifting arms by means of one or more lever arms.
  • a lever arm gear enables that the gearing of the gear changes in accordance with the given extension of the actuators so that e.g. a 10 mm stroke of the actuators results in e.g. 100 mm vertical movement of the top frame no matter if it is at the beginning or the end of the actuator stroke.
  • the lever arm gears will at least improve the ratio in relation to a design where the actuators are connected directly to the lifting arms.
  • said first actuator is rotatably connected to said bottom frame and/or said second actuator is rotatably connected to said bottom frame.
  • said lifting mechanism further comprises a guide arm being rotatably connected to said first lifting arm in a first guide arm point of attack and being rotatably connected to said top frame at a second guide arm point of attack of said guide arm.
  • top frame points of attack of both lifting arms are slidably connected to the top frame additional means are needed to ensure a controlled position of the top frame in relation to the bottom frame at all times.
  • Connecting a guide arm between a lifting arm and the top frame will in a simple and inexpensive manner ensure that the top frame cannot slide uncontrollably in relation to the lifting arms.
  • said second guide arm point of attack is located between said first top frame point of attack and said second top frame point of attack.
  • Connecting the guide arm to the top frame between the connection points of the lifting arms is advantageous in that it provides for a more compact lifting mechanism design and it enables a more advantageous motion pattern of the top frame in relation to the bottom frame.
  • said second guide arm point of attack is located substantially half way between said first top frame point of attack and said second top frame point of attack when said top frame is parallel with said bottom frame.
  • Connecting the guide arm to the top frame somewhere around the middle between the top frame points of attack of the lifting arms - when the top frame is horizontal or at least parallel with the bottom frame - is advantageous in that it ensures a the lifting mechanism does not wedge and it ensures that when the actuators are extending simultaneously and uniformly the top frame will only move up (or down) and substantially not move back or forth horizontally.
  • said first guide arm point of attack is placed between 10% and 90%, preferably between 25% and 75% and most preferred between 40% and 60% of the distance between said first bottom frame point of attack and said first top frame point of attack of said first lifting arm from said first bottom frame point of attack of said first lifting arm.
  • the lifting mechanism will have a tendency to wedge and/or the top frame cannot move only vertically if the actuators are extending simultaneously and uniformly.
  • the present placement ranges therefore provides for an advantageous relationship between efficiency and functionality.
  • the distance between said first guide arm point of attack and said second guide arm point of attack of said guide arm is between 10% and 90%, preferably between 25% and 75% and most preferred between 40% and 60% of the of the distance between said first bottom frame point of attack and said first top frame point of attack of said first lifting arm.
  • Forming the guide arm so that the distance between its respective points of attack is approximately half the length of the distance between the outer points of attack of the lifting arm - i.e. it is approximately half as long as the lifting arm - is advantageous in that it enables a more simple and uncomplicated lifting mechanism in that the top frame will substantially only move vertically when the two lifting arms are moving synchronously.
  • the distance between said first bottom frame point of attack and said first top frame point of attack of said first lifting arm is substantially identical with the distance between said second bottom frame point of attack and said second top frame point of attack of said second lifting arm.
  • Arranging the outer points of attack of the lifting arms in identical distances is advantageous in that provides for a more simple lifting mechanism regarding simple vertical elevation of the top frame and it enables identical or at least symmetrical design of the lifting arms hereby reducing manufacturing and assembly time and cost.
  • said bed surface comprises two or more joints extending transversely in relation to the longitudinal extend of said bed wherein said joints allow said bed surface to be transformed into a chair-like device.
  • Providing joints that allow the bed to be transformed into a chair-like device is advantageous in that it enables that a person using the bed can easily and gently get in and out of the bed even if this person mobility is impaired or if the transition between lying and sitting (or standing up) is normally related with much pain.
  • Said first actuator and said second actuator are electrical linear actuators comprising an electrical motor and a spindle drive.
  • said first actuator has a longer stroke than said second actuator.
  • the shape of said first lifting arm is a substantial identical mirror-inverted shape of said second lifting arm which enables reduced manufacturing and assembly costs.
  • the invention provides for use of a bed according to any of the previously described beds for bringing a person lying in said bed into a sitting position.
  • a bed according to the present invention to move a person lying in the bed into a sitting position is advantageous in that a bed according to the present invention is particularly suited for tilting a bed surface so that one end of the bed is close to the ground hereby enabling that this person may enter a sitting position while remaining in the bed. This enables that the person can more easily and gently get in and out of bed.
  • Fig. 1 illustrates a bed 1 according to the invention in a bottom position, as seen from the side and fig. 2 illustrates the bed 1 shown in fig. 1 in an elevated position, also seen from the side.
  • the top frame 3 - provided with a bed surface 6 for supporting a person (not shown) lying in the bed 1 - can be moved up and down while being maintained parallel with the bottom frame 2 i.e. if the bottom frame 2 is arranged on a level horizontal ground the top frame 3 also remains horizontal while being elevated or lowered.
  • the vertical movement of the top frame 3 is facilitated by a lifting mechanism 4 arranged between the bottom frame 2 and the top frame 3.
  • the lifting mechanism 4 comprises a first lifting arm 7 and a second lifting arm 8 each driven by an actuator 13, 14 connected to the bottom frame 2.
  • the actuators 13, 14 could be extending between both lifting arms 7, 8, one or both actuators 13, 14 could be connected to the top frame 3 or one or both actuators 13, 14 could be connected to a device external to the bed 1.
  • the bed surface 6 would further comprise a mattress for cushioning a person (not shown) lying in the bed 1.
  • the bottom frame 2 comprises support means 5 for engaging an underlying ground in the form of four wheels arranged substantially at each of the four corners of the bottom frame 2 hereby enabling that the bed 1 can easily be moved around.
  • the bed 1 could be formed more stationary if the support means 5 were formed as legs, feet or similar or the bottom frame 2 could comprise a combination of wheels and feet.
  • Fig. 3 illustrates a bed 1 in a chair-like position, as seen in perspective.
  • the two lifting arms 7, 8 are not operating synchronously enabling that the top frame 3 is tilted forward. This functionality will be discussed in more details later.
  • the bed surface 6 is provided with a number of transversal joints 22, which together with the tilt function of the top frame 3 enables that the bed 1 is transformed into a chair like device.
  • first actuator 13 is driving the first lifting arm 7 through a first lever arm gear 17 and the second actuator 14 is driving the second lifting arm 8 through a second lever arm gear 18.
  • first actuator 13 is driving the first lifting arm 7 through a first lever arm gear 17
  • second actuator 14 is driving the second lifting arm 8 through a second lever arm gear 18.
  • one or both actuators 13, 14 could be connected directly to the respective lifting arms 7, 8.
  • both the actuators 13, 14 are electrical linear actuators comprising an electrical motor and a spindle drive but in another embodiment of the invention the actuators 13, 14 could be motors, hydraulic or pneumatic cylinders or the motor driving the linear actuator could be powered by other means that electricity.
  • the electrical motors of the two actuators 13, 14 are identical and the pitch of the spindles are identical so that when the two actuators 13, 14 are activated simultaneously, they will extend or contract uniformly hereby enabling that the bed surface 6 can be maintained in the same angle in relation to the bottom frame 2 during the entire elevation or contraction process of the lifting mechanism 4 - if so desired.
  • first lifting arm 7 actually consist of a pair of identical arms that are mutually axially displaced on the first bottom frame rotational axis 23 and the second lifting arm 8 actually also consist of a pair of identical arms that are mutually axially displaced on the second bottom frame rotational axis 24.
  • first lifting arm 7 and/or the second lifting arm 8 would only comprise one arm or one or both lifting arms 7, 8 would comprise more parallel arranged arms such as three, four, five or more arms.
  • Fig. 4 illustrates a circular cross section in a bed 1 in an elevated position, as seen from the side.
  • first lifting arm 7 and the second lifting arm 8 are rotatably connected to the bottom frame 2 in a first bottom frame point of attack 9 and a second bottom frame point of attack 10 around a first bottom frame rotational axis 23 and a second bottom frame rotational axis 24, respectively.
  • the rotational axis 23, 24 are coaxial in that both lifting arms 7, 8 are connected to the same bottom frame lifting arm shaft 25.
  • the first bottom frame point of attack 9 and a second bottom frame point of attack 10 - and thereby the first bottom frame rotational axis 23 and the second bottom frame rotational axis 24 - may be spaced apart so that the lifting arms 7, 8 are also spaced apart or so that the lifting arms 7, 8 crosses each other as seen from the side.
  • the arms 7, 8 are rotatably connected to the shaft 25 through bottom frame journal bearings 26 ensuring that the lifting arms 7, 8 may rotate with very little friction.
  • these and other rotatable connections may be formed simply by making the arms at least partly enclose the shaft, by means of ball bearings, roller bearings or any other type of bearings enabling that an arm may be connected to a shaft-like device and still be able to rotate around this device.
  • first lifting arm 7 and the second lifting arm 8 are also rotatably connected to the top frame 3 in a first top frame point of attack 11 and a second top frame point of attack 12 and in this embodiment the lifting arms 7, 8 are also slidably connected to the top frame 3 in that the lifting arms 7, 8 are rotatably connected to a first slide 27 and a second slide 28 respectively, which may slide back and forth in the first guide 29 and the second guide 30, respectively.
  • the sliding functionality may be facilitated by means of one or more rails mounted on the top frame 3, one or more tracks formed in or on the top frame 3 or by other means enabling that the connection point of the lifting arms 7, 8 may be displaced back and forth in relation to the top frame 3.
  • the guides 29, 30 are straight, hereby enabling only linear displacement of the top frame points of attack 11, 12.
  • the guides 29, 30 could comprise a more complex shape e.g. to guide the top frame points of attack 11, 12 along a more complex curve.
  • the two guides 29, 30 are arranged to displace the top frame points of attack 11, 12 linearly in the same direction, wherein this direction is substantially parallel with the bed surface 6 - when the bed surface 6 is arranged in a bed configuration i.e. flat - but in another embodiment the guides 29, 30 could extend in different directions and/or one or both guides 29, 30 could extend in directions that was not parallel with the flat bed surface 6.
  • the lifting mechanism 4 also comprises a guide arm 19, which is rotatably connected to the first lifting arm 7 in a first guide arm point of attack 20 and rotatably connected to the top frame 3 in a second guide arm point of attack 21.
  • the top frame 3 could slide more or less freely back and forth in the guides 29, 30. This could be advantageous if easy manual (or motorized) horizontal displacement of the top frame 3 in relation to the bottom frame 2 was desired or if it was desired that when the lifting mechanism 4 tilts the top frame 3 (as disclosed in figs. 3 and 6-8 ), the top frame 3 would always extend furthest in the direction of the lowest end of the bed 1 due to gravity pulling in the top frame 3.
  • the guide arm 19 will control the horizontal position of the top frame 3 to be substantially the same at all times - in relation to the bottom frame 2 - when the two lifting arm 7, 8 are moving up and down simultaneously and synchronously.
  • the guide arm 19 could e.g. be formed shorter than half the length of the lifting arm 7 and maybe be connected differently to enable that the top frame 3 was displaced forward while moving vertically upwards to ensure sufficient clearance to the bottom frame 2 when the top frame 3 is tilted.
  • the lifting arms 7, 8 and the guide arm 19 are not running in a straight line between the respective connection points 9, 10, 11, 12, 20, 21 i.e. the arms 7, 8, 19 are not formed straight.
  • the specific shapes of the arms 7, 8, 19 are in this case defined by other devices, shafts, beams and other on the bed 1 demanding that the arms 7, 8, 19 have to be formed non-linearly to enable that the lifting mechanism can be formed so compact, that in lowest position the top frame 3 may almost be in contact with the bottom frame 2.
  • first and second lifting arms 7, 8 have a substantially identical outer contour but in another embodiment the arms 7, 8 could be formed different from each other e.g. to be able to pass different obstacles or to provide different functionality.
  • Fig. 5 illustrates a bed 1 with elevated parts of the bed surface 6, as seen from the side.
  • the bed 1 would start out with a bed surface 6 formed as disclosed in fig. 1 i.e. flat and the top frame is arrange in its bottom position i.e. the lifting mechanism is fully contracted.
  • the transformation into the chair-like device could start with the top frame 3 in a partly or fully elevated state.
  • the person laying in the bed 1 or an external operator would then operate a control panel (not shown) to activate different actuators beneath the bed surface 6 so that the head end 15 of the bed surface 6 would be raised and so that a knee joint 16 is raised to form a very reclined chair-like device.
  • the flat bed surface 6 could also be formed in to the chair-like device through manual operation or semi-manual operation.
  • Fig. 6 illustrates a bed 1 transforming into a chair-like position, as seen from the side.
  • the operator is now operating the control panel to tilt the top frame 3 forward. This is done by only activating the first actuator 13 so that only the first lifting arm 7 is raised.
  • first actuator 12 and the first lifting arm 7 are arranged at the head end 15 of the bed 1 and the second actuator 14 and the second lifting arm 8 are arranged at the opposite end of the bed 1.
  • the arrangements could be switched around so that the second actuator 14 and the second lifting arm 8 are arranged at the head end 15 of the bed 1 or so that the first lifting arm 7 and the second lifting arm 8 are arranged substantially side by side.
  • the bed 1 is provided with only one first actuator 12 and only one second actuator 13 but in another embodiment the first lifting arm 7 and/or the second lifting arm 8 could be actuated by means of two, three or more actuators that could be coupled in parallel and/or in series.
  • the bed 1 is provided with only two lifting arms 7, 8 (or at least only two pairs of lifting arms 7, 8) but in another embodiment the lifting mechanism 4 could be provided with more lifting arms or lifting arm pairs such as three, four, five or more.
  • Fig. 7 illustrates a bed 1 in a low chair-like position, as seen from the side.
  • the figure also discloses that due to the design of the lifting mechanism 4, the lower end or the top frame 3 is brought forward in relation to the bottom frame 2 when the top frame is tilted forward, hereby enabling that the front end of the top frame 3 can be arranged closer to the underlying ground and thereby ensure a suitable seat height of the chair-like device.
  • Fig. 8 illustrates a bed 1 in a high chair-like position, as seen from the side.
  • Fig. 7 illustrates the chair-like device arranged with the seat in its substantially lowest position but if this position is too low the chair-like device can be raised by also activating the second lifting arm 8 as disclosed in figure 8 .
  • the size of the stroke of the second actuator 14 is defined by how far the second actuator 14 has to extend to bring the top frame 3 from its lowest position till its top position when the two lifting arms 7, 8 and actuators 13, 14 are operating synchronously. But since the first lifting arm 7 is also used for creating the tilted position of the top frame 3, the first actuator 13 is in this embodiment provided with a longer stroke than the second actuator 14.
  • actuators 13, 14 would have the same stroke or the second actuator would have longer stroke than the first actuator 13.

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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)

Claims (13)

  1. Bett (1) umfassend
    ein Grundgestell (2) mit Trägermittel (5) zur Auflage auf einer darunterliegenden Grundfläche,
    ein Obergestell (3) mit einer Liegefläche (6) zur Aufnahme einer in dem Bett (1) liegenden Person,
    einen Hebemechanismus (4), angeordnet zwischen dem Grundgestell (2) und dem Obergestell (3), um das Grundgestell (2) und das Obergestell (3) gegeneinander zu verstellen,
    wobei der Hebemechanismus (4) einen von einem ersten Stellantrieb (13) angetriebenen ersten Hebearm (7) und einen von einem zweiten Stellantrieb (14) angetriebenen zweiten Hebearm (8) enthält,
    wobei die Hebearme (7,8) mit dem Grundgestell (2) drehbar über einen ersten Angriffspunkt (9) des Grundgestells bzw. einem zweiten Angriffspunkt (10) des Grundgestells verbunden sind, und beide gleitend und drehbar mit dem Obergestell (3) über einem ersten Angriffspunkt (11) des Obergestells bzw. einem zweiten Angriffspunkt (12) des Obergestells verbunden sind,
    wobei der erste Hebearm (7) mit dem Grundgestell (2) drehbar um eine erste Drehachse (23) des Grundgestells an dem ersten Angriffspunkt (9) des Grundgestells verbunden ist und der zweite Hebearm (8) drehbar um eine zweite Drehachse (24) des Grundgestells an dem zweiten Angriffspunkt (10) des Grundgestells verbunden ist, und wobei der erste Stellantrieb (13) und der zweite Stellantrieb (14) elektrische lineare Stellantriebe mit einem Elektromotor und einem Spindelantrieb sind, dadurch gekennzeichnet, dass die erste Drehachse (23) des Grundgestells und die zweite Drehachse (24) des Grundgestells im Wesentlichen koaxial verlaufen.
  2. Bett (1) nach Anspruch 1, wobei der erste Stellantrieb (13) mit dem ersten Hebearm (7) über ein erstes Hebelarmbetriebe (17) verbunden ist und/oder der zweite Stellantrieb (14) mit dem zweiten Hebearm (8) über ein zweites Hebelarmgetriebe (18) verbunden ist.
  3. Bett (1) nach Anspruch 1 oder 2, wobei das erste Stellglied (13) drehbar mit dem Grundgestell (2) verbunden ist und/oder das zweite Stellglied (14) drehbar mit dem Grundgestell (2) verbunden ist.
  4. Bett (1) nach einem der voranstehenden Ansprüche, wobei der Hebemechanismus (4) weiterhin einen Führungsarm (19) enthält, der drehbar mit dem ersten Hebearm (7) über einen ersten Angriffspunkt (20) des Führungsarms verbunden ist und drehbar mit dem Obergestell (3) über einen zweiten Angriffspunkt (21) des Führungsarms (19) verbunden ist.
  5. Bett (1) nach Anspruch 4, wobei der zweite Angriffspunkt (21) des Führungsarms zwischen dem ersten Angriffspunkt (11) des Obergestells und dem zweiten Angriffspunkt (12) des Obergestells liegt.
  6. Bett (1) nach Anspruch 5, wobei der zweite Angriffspunkt (21) des Führungsarms im Wesentlichen auf halbem Abstand zwischen dem ersten Angriffspunkt (11) des Obergestells und den zweiten Angriffspunkt (12) des Obergestells liegt, wenn das Obergestell (3) parallel mit dem Grundgestell (2) ausgerichtet ist.
  7. Bett (1) nach einem der Ansprüche 4 bis 6, wobei der erste Angriffspunkt (20) des Führungsarms zwischen 10% und 90%, vorzugsweise zwischen 25% und 75% und besonders bevorzugt zwischen 40% und 60% des Abstandes zwischen dem ersten Angriffspunkt (9) des Grundgestells und dem ersten Angriffspunkt (11) des Obergestells des ersten Hebearms (7), bestimmt vom ersten Angriffspunkt (9) des Grundgestells des ersten Hebearms (7), gelegt wird.
  8. Bett (1) nach einem der Ansprüche 4 bis 6, wobei der Abstand zwischen dem ersten Angriffspunkt (20) des Führungsarms und dem zweiten Angriffspunkt (21) des Führungsarms (19) zwischen 10% und 90%, vorzugsweise zwischen 25% und 75%, und besonders bevorzugt zwischen 40% und 60% des Abstandes zwischen dem ersten Angriffspunkt (9) des Grundgestells und dem ersten Angriffspunkt (11) des Obergestells des Hebearms (7) liegt.
  9. Bett (1) nach einem der voranstehenden Ansprüche, wobei der Abstand zwischen dem ersten Angriffspunkt (9) des Grundgestells und dem ersten Angriffspunkt (11) des Obergestells des ersten Hebearms (7) im Wesentlichen identisch ist mit dem Abstand zwischen dem zweiten Angriffspunkt (10) des Grundgestells und dem zweiten Angriffspunkt (12) des Obergestells des zweiten Hebearms (8).
  10. Bett (1) nach einem der voranstehenden Ansprüche, wobei die Liegefläche (6) zwei oder mehr Verbindungselemente (22) entlang der Längsausdehnung des Betts (1) enthält, wobei die Verbindungselemente (22) die Umwandlung der Liegefläche (6) in eine stuhlartige Vorrichtung ermöglichen.
  11. Bett (1) nach einem der voranstehenden Ansprüche, wobei der erste Stellantrieb (13) einen längeren Hubweg besitzt als der zweite Stellantrieb (14).
  12. Bett (1) nach einem der voranstehenden Ansprüche, wobei die Form des ersten Hebearms (7) im Wesentlichen die identische spiegelverkehrte Form des zweiten Hebearms (8) ist.
  13. Verwendung eines Betts (1) nach einem der voranstehenden Ansprüche, um eine in dem Bett (1) liegende Person in eine sitzende Position zu bringen.
EP13187387.9A 2012-10-05 2013-10-04 Bett und Verwendung des Betts Not-in-force EP2716270B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DKPA201270606 2012-10-05

Publications (2)

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EP2716270A1 EP2716270A1 (de) 2014-04-09
EP2716270B1 true EP2716270B1 (de) 2015-12-09

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP13187387.9A Not-in-force EP2716270B1 (de) 2012-10-05 2013-10-04 Bett und Verwendung des Betts

Country Status (2)

Country Link
EP (1) EP2716270B1 (de)
DK (1) DK2716270T3 (de)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1282279B1 (it) * 1995-12-29 1998-03-16 Bortoluzzi Mobili Srl Cinematismo atto a permettere di spostare verticalmente ed inclinare longitudinalmente il telaio di supporto del materasso
US7743441B2 (en) 2004-09-13 2010-06-29 Kreg Therapeutics, Inc. Expandable width bed
WO2007069912A1 (en) 2005-12-13 2007-06-21 Howard Wright Limited A bed elevator

Also Published As

Publication number Publication date
EP2716270A1 (de) 2014-04-09
DK2716270T3 (en) 2016-02-01

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