EP1785113A1 - Surface de support pour un lit, particulièrement lit de soin ou lit d'hôpital - Google Patents

Surface de support pour un lit, particulièrement lit de soin ou lit d'hôpital Download PDF

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Publication number
EP1785113A1
EP1785113A1 EP06123571A EP06123571A EP1785113A1 EP 1785113 A1 EP1785113 A1 EP 1785113A1 EP 06123571 A EP06123571 A EP 06123571A EP 06123571 A EP06123571 A EP 06123571A EP 1785113 A1 EP1785113 A1 EP 1785113A1
Authority
EP
European Patent Office
Prior art keywords
lying surface
surface according
lifting member
electric motor
housing
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
EP06123571A
Other languages
German (de)
English (en)
Other versions
EP1785113B1 (fr
Inventor
Heinrich Völker
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.)
Voelker AG
Original Assignee
Voelker AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Voelker AG filed Critical Voelker AG
Priority to EP06123571A priority Critical patent/EP1785113B1/fr
Publication of EP1785113A1 publication Critical patent/EP1785113A1/fr
Application granted granted Critical
Publication of EP1785113B1 publication Critical patent/EP1785113B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • A61G7/05—Parts, details or accessories of beds
    • A61G7/057—Arrangements for preventing bed-sores or for supporting patients with burns, e.g. mattresses specially adapted therefor
    • A61G7/0573—Arrangements for preventing bed-sores or for supporting patients with burns, e.g. mattresses specially adapted therefor with mattress frames having alternately movable parts
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C23/00—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases
    • A47C23/06—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases using wooden springs, e.g. of slat type ; Slatted bed bases
    • A47C23/062—Slat supports
    • A47C23/067—Slat supports adjustable, e.g. in height or elasticity
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S5/00—Beds
    • Y10S5/933—Massaging bed
    • Y10S5/934—Massaging bed with movable transverse slats

Definitions

  • the invention relates to a lying surface for a bed, which is in particular a care bed or a hospital bed.
  • the object of the invention is to provide a bed for a bed, especially nursing and / or hospital bed, the lifting units for moving up and down at least some of the support elements of the bed surface produce only minimal noise, advantageously below the threshold of normal ambient noise lie.
  • the lying surface on several support elements of which at least one of at least one electromechanical lifting unit is moved up and down.
  • the lifting unit is supported on a supporting element associated bearing element of a example, frame or the like substructure.
  • the lying surface it may alternatively be the area on which the patient or the person to be cared, or act on a support surface rests on the mattress or the like, the top of which in turn the lying surface for the patient or the to be cared for.
  • the invention can be arranged on the one hand outside of a mattress or the like, or else integrated within a mattress or the like.
  • the at least one lifting unit has an electric motor and a transmission designed in particular as a reduction gear, which sets a lifting member in motion.
  • the lifting member is supported on the bearing element for the support element of the lying surface which can be moved up and down by means of the lifting unit.
  • the electric motor and the transmission are housed in a common housing, which is in communication with the up and down movable support element and this preferably receives within a receptacle of the housing, as is the case for example in the design of the support elements as strips. Conveniently located in the housing and the lifting member.
  • the rotational movement for the lifting member for up or down is not inverted.
  • the drive motor thus always rotates in one and the same direction, which prevents the motor to be always braked to execute both movements of the lifting member and must be raised again in the reverse direction of rotation.
  • This in turn has a noise-reducing effect, since the development or generation of noise can be avoided by the braking and starting of the engine.
  • the up and down movement of the or support elements of the lying surface can be realized in various ways.
  • the control of the electric motor it is somewhat complicated if the lifting member has to be moved in opposite directions of movement in order to carry out the up and down movement.
  • the lifting member executes both movements by the drive shaft of the electric motor always rotates in the same direction of rotation.
  • the lifting member is designed as part of a crank mechanism or as a backdrop or cam-controlled element.
  • a crank drive calls in at least two rotational positions of the crank a not inconsiderable introduction of force to perform a lifting movement.
  • the rotatable lifting member is provided with a radially or axially projecting cam, which is controlled in a backdrop or along a curved path movable when the lifting member rotates.
  • the cam-controlled design of a rotationally driven lifting member causes the execution of an up and down movement over a rotation of 360 °.
  • the electric motor can perform the required stroke with the required force at the lowest possible power, which in a first approximation not too great noise of the engine result, it is advantageous if the lifting member executes the up movement over the largest possible rotation angle range. It is expedient in this respect, therefore, if the up movement takes place over more than 180 ° of the rotational movement of the lifting member and in particular over 270 ° or over more than 270 °.
  • For the downward movement of the lifting member or the support element it is not harmful if it is performed over a much smaller compared to the upward movement angle of rotation range, for example, only 90 ° in the above last mentioned case.
  • a cam-controlled lifting member may, instead of a cam, also have a bevelled end-side end which rests against a counter-inclined surface inclined at the same angle.
  • the two inclined surfaces move alternately away from each other and toward each other.
  • the bevelled end face of the lifting member performs a wobbling motion.
  • a ring element is rotatably mounted either on the end face of the lifting member or on the counter-inclined surface, which is in contact with the opposite inclined surface.
  • This ring element is rotatably mounted about an axis of rotation which is perpendicular to the inclined surface, on which the ring element is arranged extends.
  • the ring member rolls on the opposite inclined surface from this, when both are rotated relative to each other.
  • the rotatable mounting of the ring element is preferably carried out by a roller bearing.
  • the rolling movement taking place in the lifting device is relatively noiseless, which has an advantageous effect with regard to the overall noise development of the lifting unit.
  • the lifting member comprises a disc member which is aligned at an acute angle to the axis of rotation of the lifting member and is supported on a counter-inclined surface of the lifting member, wherein the disc member and the counter-inclined surface at the same acute angle to the axis of rotation of the lifting member are aligned.
  • this has a shaft which is divided along a plane extending obliquely to the longitudinal axis of the shaft. One part of the shaft of the lifting member is fixed, while the other part of the shaft is rotatable about its longitudinal axis.
  • the rotatable part of the shaft moves away from the fixed part of the shaft (over the first part turn in the range of 180 ° to 270 °) and then moves back towards the fixed shaft (via the first part) second half of the turn).
  • the inclined surface of the rotatable shaft part rolls on the inclined surface of the fixed shaft part. This can be improved to prevent wear and / or to reduce friction by the fact that the disc member has a rotatably mounted outer ring member which rolls on rotation of the disc member relative to the counter oblique surface on this.
  • the disc element is arranged eccentrically to the axis of rotation of the rotating shaft part.
  • the disk element with its rotatably mounted outer ring element can be mounted both on the fixed shaft part or on the rotatable shaft part. This is always the same effect for the kinematics of the lifting member.
  • the rotatable mounting of the outer ring member which is supported and rolls on the opposite inclined surface, also advantageous.
  • a further reduction of the noise is advantageously realized by a vibration decoupling of the electric motor to the housing and / or the drive shaft of the electric motor to the transmission.
  • These decouplings lead to damped transmissions of the vibrations of the electric motor to the housing and the transmission (and in turn to the housing, the lifting member and the bearing point on which the lifting member is supported).
  • the transmission is mounted vibration-damped within the housing.
  • the electric motor for decoupling vibrations from the electric motor to the housing is vibration damping stored therein and in addition or alternatively, the drive shaft of the electric motor for decoupling vibrations of the electric motor to the transmission a vibration damping section and / or for the purpose of balancing a. tolerance-related radial offset of the drive shaft of the electric motor and input shaft of the transmission on a flexible shaft for mechanical coupling with the transmission.
  • the vibration-damping mounting of the electric motor and possibly the transmission within the housing is advantageously realized by an elastomeric material such as rubber or the like, which partially fills the space between the electric motor and the inside of the housing or the gear and the inside of the housing.
  • an elastomeric material such as rubber or the like, which partially fills the space between the electric motor and the inside of the housing or the gear and the inside of the housing.
  • elastomeric materials such as rubber or the like, which partially fills the space between the electric motor and the inside of the housing or the gear and the inside of the housing.
  • elastomeric material such as rubber or the like
  • Such elements are commercially available and can be drawn in this embodiment of the electric motor with, for example, cylindrical housing.
  • the electric motor and possibly also the transmission then rest on these rings in the housing of the lifting unit.
  • the vibration damping bearing can also be done via individual elastomeric bearing blocks (for example in the form of "rubber feet").
  • the noise-generating elements of the lifting unit such
  • An alternative vibration-damping mounting of the electric motor and / or the transmission can also be realized, for example, in that the housing of the electric motor or a housing surrounding the transmission is housed air-cushioned in the housing of the lifting unit.
  • air cushion for example, offer the known from the packaging industry films with air inclusions.
  • vibration-damping connection of the drive shaft of the electric motor with the input shaft of the transmission as a rule, so here are particularly rotationally symmetrical fasteners such as a sleeve, a (full) shaft or the like compounds or coupling elements, the rotation with both the drive shaft of the electric motor and the input shaft of the transmission are connected.
  • These non-rotatable connections can be realized by a friction, a form or a material connection.
  • the vibration-damping material of the connecting portion between the drive shaft of the electric motor and the input shaft of the transmission to be vulcanized (adhesion).
  • a frictional connection can be realized, for example, by connecting the connecting portion to the shafts by radial tension (induced by a bias of the sleeve-shaped connecting portion or by providing pressing collars or the like connecting members).
  • the vibration damping coupling of both shafts can also be used to compensate for a possible radial offset of the shafts (flexible coupling shaft).
  • a flexible shaft does not necessarily also have to have a vibration-damping effect. Rather, for vibration damping, it is sufficient for the electric motor to be mounted in vibration-damped fashion in the housing of the lifting unit and / or coupled.
  • the power requirements of the electric motor can be further reduced if a gear with the greatest possible reduction (for example, greater than or equal to 1: 250 or 1: 350) is used.
  • a gear with the greatest possible reduction for example, greater than or equal to 1: 250 or 1: 350.
  • the housing should enclose the electric motor, the transmission and possibly other elements such as electronic controls or the like as closely as possible, structurally a sound-proof design of the housing can be realized, which reduces the transmission of sound to the outside.
  • An improved noise reduction can be achieved in that the electric motor and the drive shaft are encapsulated within the housing, that are housed within a closed receiving space of the housing from which only the drive train of drive shaft, coupling element and transmission input shaft extends.
  • the storage of this drive train is carried out for a within the housing of the lifting unit only on the motor housing itself.
  • a second bearing point is viewed from the electric motor from behind only the coupling element and is preferably arranged outside of the receiving space.
  • the invention can be realized most advantageously as a lying surface for a mattress or similar support.
  • Such lying surfaces have transverse strips or struts, of which according to the invention, at least one with the lifting unit according to the invention on at least one side or at the center is moved up and down.
  • the strips rest at their ends on side frame parts or the like, which form a single lying surface section or individual separate lying surface sections, which in turn advantageously against each other are pivotable.
  • Such mattress support surfaces or lying surfaces are known in the art.
  • the lifting member which is supported on a bearing point is decoupled from a frame construction of the lying surface.
  • This is realized for example by an intermediate element which is connected to the frame construction of a lying surface and on which the lifting member is supported.
  • This intermediate element is expediently made of mechanically stable, but sound-proof material such as a plastic material.
  • this intermediate element is held vibration-decoupled to a support structure of the lying surface or of the bed.
  • This can be realized, for example, by providing elastomeric layers of material at the points of contact between the intermediate element and the support structure.
  • FIG. 1 shows, in a schematically simplified plan view, a hospital or care bed 10 having a mattress base 12, which is a multi-part in this embodiment, for a mattress (not shown).
  • the lying surface is delimited at the head or foot end of the bed 10 by a head part 14 or foot part 16 which, as provided in this exemplary embodiment, are connected to one another via side cheeks 18.
  • the construction of the next to the bed surface 12 provided components of the bed 10 is important to the invention.
  • the lying surface 12 according to the invention does not necessarily have to be made in several parts. Rather, the invention can be seen in the special embodiment of lifting units 20, of which the lying surface 12 of the Bed 10 of FIG.
  • the support elements may for example be formed as a single distributed over the bed surface arranged plates or the like on all sides limited elements that can be individually raised and lowered, which can be realized by a lifting unit 20 to be described below.
  • a lifting unit 20 has a housing 24, for example of plastic material, which in two parts is formed in this exemplary embodiment and has a lower housing half 26 and an upper housing half 28.
  • the two housing halves 26,28 enclose a receiving space 30 for accommodating an electric motor 32 with in this embodiment, a substantially cylindrical housing 33.
  • the drive shaft 34 of the electric motor 32 is coupled to the input shaft 36 of a multi-stage transmission 38, wherein the input shaft 36 within the housing 24th is mounted on a bearing 39 outside of the receiving space 30.
  • the transmission 38 has an input stage 40 in the form of a seated on the input shaft 36 screw 42, which cooperates with in this embodiment two-stage gear stage 44 of the transmission 38.
  • the gear 38 has at its output a gear 46 which meshes with an external toothing 48 of a lifting member 50.
  • the lifting member 50 has, in addition to the external toothing 48, a cylindrical extension which defines an axis of rotation 52, from which a plunger 54 protrudes axially off-center (see also FIG. 3).
  • the cylindrical extension and the plunger 54 are received by a sleeve 56 having at its bottom a cam track 58 on which the plunger 54 moves with its rounded end 60 when the lifting member 50 is rotated.
  • the (bearing) sleeve 56 is part of a bearing member 62 for the lifting member 50, which has a substantially L-shaped angle portion 64, which, as indicated in Fig.
  • the (bearing) sleeve 56 is inserted from below into the lower housing half 26, which has for receiving the sleeve 56 inwardly projecting receiving sleeve 68.
  • the housing 24 is further provided with a receiving space 70 for one end of a bar 22 in which the bar 22 is mounted fixed or pivotable about its longitudinal axis 71.
  • a special feature of the lifting unit 20 according to FIGS. 2 to 5 is e.g. to see in the vibration-damped mounting of the electric motor 32.
  • two rubber O-bearing rings 72 which enclose the housing 33 of the electric motor 32 and bear against the inside of the receiving space 30 of the housing 24. Through these bearing rings 72, the housing 24 is largely decoupled from vibrations of the electric motor 32.
  • a further vibration damping is found in the lifting unit 20 in the connecting region between the drive shaft 34 of the electric motor 32 and the input shaft 36 of the transmission 38.
  • the coupling of these two waves takes place in the lifting unit 20 by a rubber sleeve or shaft 74, which rotatably with the shafts 34th and 36, and damps the axial and circumferentially directed vibrations of the drive shaft 34 of the electric motor 32.
  • control electronics In addition to the components described above, further structural units, in particular control electronics, and the connection technology for connecting the individual lifting units to a control bus are accommodated in the housing 24. This is not shown in the drawings in detail.
  • This curved path 58 increases in this embodiment over a circumferential angular range of 270 ° (see the curved path portion 76 in Fig. 4), while it falls over an angular range of 90 ° (see the curved path section 78 in Fig. 4).
  • the electric motor 32 thus has to apply the energy for lifting the lifting member 50 over a larger rotational angle range of the lifting member 50 than the rotational angle range over which this energy is physically released again.
  • the motor need not be as powerful as it would be if the rising cam portion 76 extends over a smaller angular range than 270 °.
  • the vibration damped coupling of its drive shaft 34 with the gear 38 and the optimized performance of the electric motor 32 through the specially designed cam track 58 with at least 270 ° extending rising cam track section 76 also the material combination of plunger 54 and cam track 58 (for example, steel or brass combined with PA or POM or a comparable plastic material) and the mechanical decoupling of the frame portion 66 and the bearing member 62 at. All this leads to an optimized noise reduction, which is why the lifting unit 20 is predestined as an adjustment for support elements of the bed surface of a nursing bed or hospital bed.
  • the lifting member 50 has the outer toothing 48 for rotating drive and is connected to the axis of rotation 52 on which a the front end 80 of the lifting member 50 defining end or disc member 82 is located, which forms a sloping end face 84 of the lifting member 50.
  • sloping here an angle smaller than 90 ° to the axis of rotation 86 of the lifting member 50 is meant.
  • the lifting member 50 abuts a counter-inclined surface 88 of a bearing or support member 90.
  • the counter-inclined surface 88 is preferably made of ceramic. Both inclined surfaces 84 and 88 have the same angle of inclination.
  • the end member 82 has an outboard, e.g. made of metal ring element 92 which is rotatably mounted about a rotation axis 94, which extends perpendicular to the end face 84 of the lifting member 50.
  • the ring member 92 rolls on the counter inclined surface 88 from. This is in addition to the material protection also with regard to a possible noise generation advantageous because, if any, barely audible noise can be perceived by the rolling.
  • the lifting member 50 is guided over the extended over the end member 82 axis of rotation 52 which extends through an axial through hole through the bearing or support member 90 at this (and the housing of the lifting unit).

Landscapes

  • 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)
EP06123571A 2005-11-10 2006-11-07 Surface de support pour un lit, particulièrement lit de soin ou lit d'hôpital Not-in-force EP1785113B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP06123571A EP1785113B1 (fr) 2005-11-10 2006-11-07 Surface de support pour un lit, particulièrement lit de soin ou lit d'hôpital

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP05110613 2005-11-10
DE202006001755 2006-02-04
EP06123571A EP1785113B1 (fr) 2005-11-10 2006-11-07 Surface de support pour un lit, particulièrement lit de soin ou lit d'hôpital

Publications (2)

Publication Number Publication Date
EP1785113A1 true EP1785113A1 (fr) 2007-05-16
EP1785113B1 EP1785113B1 (fr) 2009-09-02

Family

ID=38002259

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06123571A Not-in-force EP1785113B1 (fr) 2005-11-10 2006-11-07 Surface de support pour un lit, particulièrement lit de soin ou lit d'hôpital

Country Status (4)

Country Link
US (1) US7552491B2 (fr)
EP (1) EP1785113B1 (fr)
AT (1) ATE441395T1 (fr)
DE (1) DE502006004723D1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011023307A1 (fr) * 2009-08-31 2011-03-03 Thomas Beteiligungs- Und Vermogens- Gmbh & Co. Kg Système ressort et lit, siège ou meuble de couchage comportant un système ressort
WO2018137011A1 (fr) * 2017-01-26 2018-08-02 Elias Tavares Kleber Lit d'hôpital oscillant visant à prévenir l'ulcère de décubitus

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202005011767U1 (de) * 2005-05-26 2005-10-20 Thomas Hilfen Hilbeg Gmbh & Co. Kg Stimulationsaktor zur Bewegung von Auflageflächen
US8100061B2 (en) 2008-06-13 2012-01-24 Hill-Rom Services, Inc. Item support apparatuses and systems for bedside
US20110010854A1 (en) 2009-07-15 2011-01-20 Zerhusen Robert M Siderail with storage area
WO2011155769A2 (fr) * 2010-06-09 2011-12-15 한국생산기술연구원 Plateforme pour lit vibratoire pour empêcher l'escarre de décubitus, possédant un axe de rotation variable pour des types corporels différents et procédé pour commander un cycle de changement de position associé
BE1019561A5 (nl) * 2010-10-21 2012-08-07 Vanstraelen Karel Gemotoriseerde bedbodem, latrijmodule en bed.
DE202011107540U1 (de) 2010-11-16 2011-12-13 Völker AG Liegefläche für ein Bett, insbesondere Pflege- und/oder Krankenbett
EP2937069B1 (fr) * 2012-12-21 2020-03-25 Kawasaki Jukogyo Kabushiki Kaisha Lit de soin et procédé pour en changer la forme
PH12014000155B1 (en) * 2014-06-06 2016-01-18 Merioles Sonny Wilson R An apparatus for reducing the risk of developing decubitus ulcers and adjunct to treatment thereof on immobile patients

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EP0645110A1 (fr) * 1993-09-28 1995-03-29 DI BLASI INDUSTRIALE S.r.l. Support constitué par une pluralité d'éléments mobiles pour chaises, lits et analogues
WO1998023240A1 (fr) * 1996-11-25 1998-06-04 Bilkovic Eduard Lit de relaxation
EP1159947A2 (fr) * 2000-05-31 2001-12-05 Paul Chuang Lit pour malades

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US2773498A (en) * 1953-07-31 1956-12-11 Louis F Himmelman Kinesitherapy device
US3970077A (en) * 1975-03-06 1976-07-20 Flemming Dahl Support for patients in beds or chairs
US4644593A (en) * 1985-10-09 1987-02-24 Brien James A O Variable support cushion for supporting anatomical body weight
DE3728408A1 (de) * 1987-08-26 1989-03-09 Oswald Kurt Bett
EP0354271A3 (fr) * 1988-08-12 1990-06-06 Hcm Ag Matelas
IT1227726B (it) 1988-12-23 1991-05-06 Di Blasi Rosario Letto avente piano d'appoggio conformato almeno in parte a tastiera
EP0481157B1 (fr) * 1990-10-16 1994-05-04 Complete Investments Limited Installation pour soutenir les lattes d'un sommier à lattes
BR9504732A (pt) * 1994-09-26 1997-03-11 Jorge Enrique Marenco Aperfeiçoamento em cama anti-escara
AU713407B2 (en) 1996-02-08 1999-12-02 Adolfo Cosani Apparatus for use in preventing decubitis ulcers and in relaxation therapy
IT1298589B1 (it) 1998-02-10 2000-01-12 Ermolao Ottini Materasso particolarmente per letti da massaggio e letto da massaggio incorporante detto materasso
AUPQ961400A0 (en) * 2000-08-23 2000-09-14 Piraino, Mario Improved support base for a bed mattress
JP4017599B2 (ja) 2001-11-28 2007-12-05 ポスコ カンパニーリミテッド パルス発生器を用いた圧延機のロールの偏心検出方法及び装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0645110A1 (fr) * 1993-09-28 1995-03-29 DI BLASI INDUSTRIALE S.r.l. Support constitué par une pluralité d'éléments mobiles pour chaises, lits et analogues
WO1998023240A1 (fr) * 1996-11-25 1998-06-04 Bilkovic Eduard Lit de relaxation
EP1159947A2 (fr) * 2000-05-31 2001-12-05 Paul Chuang Lit pour malades

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011023307A1 (fr) * 2009-08-31 2011-03-03 Thomas Beteiligungs- Und Vermogens- Gmbh & Co. Kg Système ressort et lit, siège ou meuble de couchage comportant un système ressort
WO2018137011A1 (fr) * 2017-01-26 2018-08-02 Elias Tavares Kleber Lit d'hôpital oscillant visant à prévenir l'ulcère de décubitus

Also Published As

Publication number Publication date
ATE441395T1 (de) 2009-09-15
US7552491B2 (en) 2009-06-30
US20070101498A1 (en) 2007-05-10
DE502006004723D1 (de) 2009-10-15
EP1785113B1 (fr) 2009-09-02

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