EP0781518A1 - Lit avec support de matelas constitué par plusieurs sections réglables en inclinaison avec un mécanisme manuel semi-automatique - Google Patents

Lit avec support de matelas constitué par plusieurs sections réglables en inclinaison avec un mécanisme manuel semi-automatique Download PDF

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Publication number
EP0781518A1
EP0781518A1 EP96203685A EP96203685A EP0781518A1 EP 0781518 A1 EP0781518 A1 EP 0781518A1 EP 96203685 A EP96203685 A EP 96203685A EP 96203685 A EP96203685 A EP 96203685A EP 0781518 A1 EP0781518 A1 EP 0781518A1
Authority
EP
European Patent Office
Prior art keywords
section
bed
bow
slot
frame
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.)
Withdrawn
Application number
EP96203685A
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German (de)
English (en)
Inventor
Guido Bortoluzzi
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.)
BORTOLUZZI SISTEMI Srl
Original Assignee
BORTOLUZZI SISTEMI Srl
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 BORTOLUZZI SISTEMI Srl filed Critical BORTOLUZZI SISTEMI Srl
Publication of EP0781518A1 publication Critical patent/EP0781518A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C20/00—Head -, foot -, or like rests for beds, sofas or the like
    • A47C20/08—Head -, foot -, or like rests for beds, sofas or the like with means for adjusting two or more rests simultaneously
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C20/00—Head -, foot -, or like rests for beds, sofas or the like
    • A47C20/04—Head -, foot -, or like rests for beds, sofas or the like with adjustable inclination
    • A47C20/043—Head -, foot -, or like rests for beds, sofas or the like with adjustable inclination by means of peg-and-notch or pawl-and-ratchet mechanism

Definitions

  • the present invention relates to a bed in which the mattress support surface is composed of a plurality of transverse sections hinged to one another and reclinable to a plurality of positions, from the horizontal lying position to a sinuous sitting or chaise-longue position, by means of a manually operated semiautomatic mechanism.
  • transverse sections can be variously reclined by means of manual or electrical mechanisms in order to ensure the maximum comfort of the occupant of the bed for sleeping and also for reading, writing or watching television.
  • beds composed of reclinable sections are also the most suitable for correctly solving positioning problems for persons confined to bed for health reasons.
  • these electromechanical control devices can be used only in rooms provided with an electricity supply, and in any case they cannot be used if the electric power supply fails.
  • the main object of the invention is that of providing a bed having a support surface composed of reclinable sections, which offers the same facilities as electrically controlled beds without requiring the use of electromechanical control means.
  • Another object of the invention is that of providing a bed of the type described which has characteristics such as to obviate the limitations and disadvantages of electrically controlled beds and to widen the utilizability of this type of bed comprising articulated sections, thus reducing both the cost of manufacture and operating costs.
  • the bed 20 is composed essentially of a frame 21 which carries the support surface 22 of the mattress 23.
  • the frame 21 is made of steel tubing having a hollow quadrangular section and comprises four vertical uprights or legs 24 connected by two longitudinal members 25, which extend along the sides of the bed 20, and two cross members 26 respectively positioned to correspond to the head and foot of the bed 20.
  • the frame 21 of the bed carries a support surface 22 for the mattress 23, said support surface consisting of a plurality of transverse sections articulated to one another and to the frame 21 in such a manner as to be reclinable to a plurality of positions included between a horizontal coplanar position (Figure 1) and a sinuous sitting position (Figure 4).
  • a section supporting the head and cervical lordosis which in the remainder of the description will be referred to as the cervical section 27, a dorsal section 28 to support dorsal cyphosis, a lumbar section 29 to support lumbar lordosis, a sacral section 30 to support the sacral part, a femoral section 31 to support the femoral portion of the lower joints, and finally a section 32 to support the legs and feet of the occupant's body.
  • each section is composed essentially of two longitudinal sides made of steel tubing having a hollow quadrangular section and interconnected by crossbars (not shown in the drawings).
  • Each support section is hinged to the adjacent support section about horizontal axes of rotation extending transversely along the top edges of the support sections, with the exception of the section 32 for legs and feet and of the femoral section 31, which are hinged along their bottom edges.
  • the cervical section 27 and the dorsal section 28 are also interconnected by a device, known per se and not described, capable of permitting various inclination positions of the cervical section 27 relative to the dorsal section 28.
  • a mattress 23 constructed to follow the movements of the transverse sections on which it is supported.
  • a regulating bar 34 is slidably disposed inside each longitudinal member 25 of the frame 21 of the bed 20.
  • the head end of the regulating bar 34 is connected to the end of a tension spring 35, which is arranged coaxially in the longitudinal member 25.
  • the other end of the tension spring 35 is anchored, by means of fastening systems known per se, to that end of the longitudinal member 25 which is connected to the vertical leg 24 at the head end of the frame 21.
  • the front end, facing the head of the bed 20, and the rear end, facing the foot of the bed 20, of each regulating bar 34 are provided with respective pairs of cross pins 36 and 37, which project horizontally from the sides of the regulating bar 34.
  • the pair of front pins 36 and the pair of rear pins 37 of the regulating bar 34 can slide in respective pairs of horizontal guide and stop slots 38 and 39 formed in the side walls of the longitudinal member 25.
  • the top end of the connecting rod 40 is articulated to the dorsal support section 28 and cooperates, in a manner known per se, with the device permitting various inclined positions of the cervical section 27 relative to the dorsal section 28.
  • each longitudinal member 25 Fixed in the top side of each longitudinal member 25, so as to project vertically, are not only a trapezoidal bow 42 but also a triangular bow 43, which are respectively positioned to correspond to said front and rear guide and stop slots 38, 39 for the regulating bar 34 in the longitudinal member 25.
  • the trapezoidal bow 42 has a guide slot 44, which extends on a substantially arcuate path ( Figures 5, 7, 9, 11), and two cross pins 45, 46 which are respectively keyed to a top lobe of the bow 42 and to the bottom side of the bow 42, for reasons which will be described further on below.
  • the triangular bow 43 has a guide slot 47, which extends on a substantially sinuous path on which a concave portion, facing the foot of the bed 20, is followed by a convex portion facing the head of the bed 20.
  • a connecting arm 48 which has a substantially conical shape.
  • the middle portion of the connecting arm 48 has a rectilinear longitudinal slot 49.
  • each longitudinal member 25 Provided on the top side of each longitudinal member 25, next to said trapezoidal bow 42, is a retaining device for the regulating bar 34 housed in the longitudinal member 25 disposed therebeneath.
  • the retaining device comprises essentially a pawl 50 which is positioned on each longitudinal member 25 to correspond to indentations 51, 52, 53, 54 formed in the surface of the regulating bar 34.
  • One end of the pawl 50 is pivoted about a rotating shaft 55, which firmly connects the pawls 50 provided on the longitudinal members 25.
  • each pawl 50 is provided with a hook 56 which, passing through an opening 57 formed in the top side of the longitudinal member 25, can engage in the indentations 51, 52, 53, 54 of the regulating bar 34.
  • the pawls 50 are continuously urged to turn into the position of engagement with the indentations 51, 52, 53, 54 of the regulating bar 34 by appropriate torsion springs (not shown in the drawings).
  • a vertical lever 58 is connected to the rotating shaft 55 of the pawls 50 to enable the user to disconnect the pawls 50 manually from the indentations 51, 52, 53, 54 of the regulating bar 34, against the action of the torsion springs.
  • Anchored to each cantilever portion of said longitudinal sectional members 59 is a rectangular guide bow 60 provided with a guide slot 61 following an undulating path in which a long curved portion follows a shorter curved portion.
  • each cantilever portion of said longitudinal sectional members 59 is articulated to each cantilever portion of said longitudinal sectional members 59, for rotation about a horizontal axis, is the top end of a rectilinear connecting arm 62.
  • the bottom end of the connecting arm 62 is articulated, for rotation about a horizontal axis, to said cross pin 46 keyed in the bottom part of the trapezoidal bow 42.
  • elbow bow 63 Slidably connected to the dorsal section 28 is also an elbow bow 63, whose curved end 64 protends longitudinally towards the lumbar section 29.
  • the curved end 64 of the elbow bow 63 is provided with a pin 65 which is slidably engaged in the arcuate slot 44 of the trapezoidal bow 42 in order to cooperate with the articulation device of the cervical section 27 relative to the dorsal section 28.
  • elbow bow 63 is connected by appropriate lever mechanisms (not shown) to the articulation device of the cervical section 27 for the purpose of varying the inclination of the latter on variation of the inclination of the dorsal section 28.
  • femoral section 31 Fixed to the longitudinal sides of the femoral section 31 are two longitudinal plates 66, which extend over approximately half the longitudinal length of the femoral section 31 from the edge adjacent to the leg and foot section 32.
  • each of the plates 66 for rotation about a horizontal axis, are the top end of an upright 67, which rises vertically from the longitudinal member 25, and the top end of a rectilinear connecting arm 68.
  • the foot of the upright 67 is fixed to the longitudinal member 25, while the bottom end of the connecting arm 68 is provided with a pivot pin 69 which is slidably engaged both in the sinuous slot 47 of the triangular bow 43 and in the rectilinear slot 49 of the conical connecting arm 48.
  • each longitudinal side 33 of the leg and foot section 32 is fixed a longitudinal plate 70 which is provided with a longitudinal rectilinear slot 71.
  • the retaining pawl 50 ( Figure 5) engages in the first indentation 51 of the regulating bar 34 and holds the latter in the position of maximum displacement towards the foot of the bed 20, neutralizing the return action of the tension spring 35.
  • the pairs of front and rear cross pins 36, 37 of the regulating bars 34 are located at the stroke-limiting ends of the respective front and rear guide and stop slots 38,39.
  • the cervical section 27 is held in the horizontal position by the elbow bow 63, whose slidable pin 65 is situated at one stroke-limiting end of the arcuate slot 44 in the trapezoidal bow 42.
  • the dorsal section 28 is locked in the horizontal position by the rod 40 connecting it to the regulating bar 34 and by the cross pin 45 of the trapezoidal bow 42, which is now in a position corresponding to one stroke-limiting end of the undulating slot 61 of the rectangular bow 60.
  • the femoral section 31 ( Figure 6) is locked in the horizontal position both by the fixed pin of the upright 67 and by the pin 69 of the connecting arm 68, which is now in a position corresponding to one end of the sinuous slot 47 in the triangular bow 43.
  • the pin 69 is held in this position by the longitudinal slot 49 of the conical arm 48, which in turn is locked in position by the rear cross pins 37 of the regulating bar 34, which are engaged in the open slot 73.
  • the leg and foot section 32 is locked in the horizontal position by the pin of the upright 72, lying at one stroke-limiting end of the longitudinal slot 71 in the plate 70.
  • the user operates the lever 58 to disengage the pawl 50 from the first indentation 51 of the regulating bar 34.
  • the user moves the upper part of his body towards the sacral section 30, of exerts pressure on the sacral section 30, and releases his hold on the lever 58.
  • the regulating bar 34 released from the pawl 50, moves towards the head of the bed 20, both through the return action of the tension spring 35 and through the load which the user has transferred towards the sacral section 30.
  • the connecting rod 40 follows the bar 34 and brings about the displacement of the dorsal section 28.
  • the latter moves to a slightly reclined position in which the pin 45 keyed in the top lobe of the trapezoidal bow 42 has been moved into an indentation interposed between two curved parts of the undulating slot 61 in the rectangular bow 60 ( Figure 7).
  • the elbow bow 63 follows the displacement of the dorsal section 28 and is pushed towards the interior of the dorsal section 28 through the sliding of the pin 65 in the arcuate slot 44.
  • the lumbar section 29 is moved downwards, following the lowering of the sacral section 30 and turning towards the head of the bed 20 the top end of the connecting arm 62 to which it is pivoted.
  • the sacral section 30 is moved downwards by the thrust exerted by the user.
  • the femoral section 31 swings about the fixed pin of the upright 67 to a slightly inclined position ( Figure 8).
  • the movement of the femoral section 31 is due to the rotation which the conical arm 48 has made about its top pin because of the thrust applied by the rear cross pin 37 in its open slot 73 during the movement of the regulating bar 34.
  • the rotation of the conical arm 48 has brought the pivot pin 69 of the connecting arm 68 to a position between the concave portion and the convex portion in the sinuous slot 47 of the triangular bow 43.
  • the leg and foot section 32 is swung about the pin of the upright 72 in order to follow the swinging of the edge of the femoral section 31 to which it is pivoted.
  • the user can recline the sections of the bed 20 to obtain the moderately sinuous position shown in Figures 3, 9 and 10 by operating the lever 58 and releasing the pawl 50 from the second indentation 52 of the bar 34.
  • the user moves the upper part of his body further towards the sacral section 30, or exerts further pressure on the sacral section 30 and releases his hold on the lever 58.
  • the pin 45 keyed in the top lobe of the trapezoidal bow 42 has moved into the shorter curve of the undulating slot 61 of the rectangular bow 60.
  • the pin 65 of the elbow bow 63 has moved in the arcuate slot 44 of the trapezoidal bow 42 to a position which leaves the position of the elbow bow 63 substantially unchanged, so that the inclination of the cervical section 27 relative to the dorsal section 28 consequently also remains unchanged.
  • the lumbar section 29 has been further lowered to follow the downward displacement of the sacral section 30 and has turned the top end of the connecting arm 62, to which it is pivoted, further towards the head of the bed 20.
  • the femoral section 31 swings further about the pin of the upright 67 to assume a moderately reclined position ( Figure 10).
  • the swinging of the femoral section 31 is brought about by the further rotation of the conical arm 48, which in turn is caused to rotate by the rear cross pin 37 of the regulating bar 34, said pin being engaged in its open slot 73.
  • the rotation of the conical arm 48 has moved the pivot pin 69 of the connecting arm 68 into the convex portion of the sinuous slot 47 of the triangular bow 43.
  • the leg and foot section 32 has swung about the pin of the upright 72 to bring about the swinging of the edge of the femoral section 31 to which it is pivoted.
  • the pin of the upright 72 is positioned approximately halfway along its path of movement in the longitudinal slot 71 of the plate 70.
  • the user can recline the sections of the bed 20 to the sinuous sitting position shown in Figures 4, 11 and 12 by operating the lever 58 and releasing the pawl 50 from the third indentation 53 of the bar 34.
  • the user concentrates the weight of his upper body on the sacral section 30, or exerts equivalent pressure on the sacral section 30, and releases his hold on the lever 58.
  • the front cross pins 36 of the regulating bar 34 have reached the other stroke-limiting end of the front guide and stop slots 38.
  • the pin 45 keyed in the top lobe of the trapezoidal bow 42 has been brought to the other stroke-limiting end of the undulating slot 61 in the rectangular bow 60.
  • the pin 65 of the elbow bow 63 has been moved to the other stroke-limiting end of the arcuate slot 44 of the trapezoidal bow 42, leaving unchanged both the position of the elbow bow 63 and the inclination of the cervical section 27 relative to the dorsal section.
  • the lumbar section 29 and the sacral section 30 have been moved further downwards, leaving substantially unchanged the position of the connecting arm 62 to which the lumbar section 29 is pivoted.
  • the femoral section 31 swings further about the pin of the upright 67 until it reaches its position of maximum inclination illustrated in Figure 12.
  • the swinging of the femoral section 31 is brought about by the rotation of the conical arm 48, which in turn is caused to rotate by the rear pin 37 of the regulating bar 34, which has now reached the other stroke-limiting end in the respective guide and stop slot 39.
  • the rotation of the conical arm 48 has brought the pivot pin 69 of the connecting arm 68 to the other stroke-limiting end of the sinuous slot 47 in the triangular bow 43.
  • the leg and foot section 32 has followed the swinging movement of the edge of the femoral section 31 to which it is pivoted for rotation about the pin of the upright 72 until it reaches its position of maximum inclination ( Figures 4 and 12).
  • the pin of the upright 72 is positioned at the other stroke-limiting end of the longitudinal slot 71 in the plate 70.
  • the user After operating the lever 58 and thereby releasing the pawl 50 from the fourth indentation 54 in the regulating bar 34, the user exerts an appropriate thrust on the cervical section 27, the dorsal section 28 and the lumbar section 29 to bring about a rotation in the direction of the head of the bed 20.
  • the connecting rod 40 moves the regulating bar 34 towards the foot of the bed 20, overcoming the resistance of the tension spring 35.
  • the pins 45 and 65 slide respectively in the undulating slot 61 of the rectangular bow 60 and in the arcuate slot 44 of the trapezoidal bow 42 in order to guide the turning of the cervical, dorsal and lumbar sections 27, 28, 29.
  • the rear cross pins 37 of the regulating bar 34 bring about the rotation of the conical arm 48 and the movement of the pin 69 in the sinuous slot 47 of the triangular bow 43.
  • the connecting rod 68 swings towards the foot of the bed 20 and moves the femoral section 31 and the leg and foot section 32 in the downward direction.
  • the lever 58 and the appertaining pawl 50 are turned by the torsion spring to the position of engagement with the regulating bar 34 to enable the hook 56 of the pawl 50 to engage in that indentation in the regulating bar 34 which corresponds to the position desired by the user.
  • the bed 20 according to the invention achieves the main object of providing the facilities of traditional electrically controlled beds without requiring the use of electromechanical control devices.
  • the bed 20 according to the invention makes it possible to reduce substantially the manufacturing and operating costs of this type of reclinable bed, eliminating the use of expensive electrical equipment and minimizing servicing and possible repair work, such as is frequently required for electrically operated beds.
  • the bed 20 can be adapted in a simple and economical manner for use by users who are disabled or immobilized for health reasons.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Nursing (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Invalid Beds And Related Equipment (AREA)
EP96203685A 1995-12-29 1996-12-23 Lit avec support de matelas constitué par plusieurs sections réglables en inclinaison avec un mécanisme manuel semi-automatique Withdrawn EP0781518A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT95PN000067A IT1282278B1 (it) 1995-12-29 1995-12-29 Letto con piano d'appoggio a sezioni reclinabili mediante un meccanismo semiautomatico ad azionamento manuale
ITPN950067 1995-12-29

Publications (1)

Publication Number Publication Date
EP0781518A1 true EP0781518A1 (fr) 1997-07-02

Family

ID=11395084

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96203685A Withdrawn EP0781518A1 (fr) 1995-12-29 1996-12-23 Lit avec support de matelas constitué par plusieurs sections réglables en inclinaison avec un mécanisme manuel semi-automatique

Country Status (6)

Country Link
EP (1) EP0781518A1 (fr)
JP (1) JPH09308546A (fr)
BR (1) BR9606216A (fr)
CA (1) CA2193612A1 (fr)
IN (1) IN186193B (fr)
IT (1) IT1282278B1 (fr)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999006120A1 (fr) * 1997-08-01 1999-02-11 Daniele Raggi Appareil d'exercice permettant d'effectuer des exercices d'etirement musculaire et respiratoires
GB2501993A (en) * 2009-08-18 2013-11-13 Integrated Furniture Technologies Ltd Adjustable furniture with guide and follower means
WO2014005083A1 (fr) * 2012-06-28 2014-01-03 Ergomotion, Inc. Lit articulé avec réglage lombaire et de tête
US8955178B2 (en) 2009-10-23 2015-02-17 Integrated Furniture Technologies Limited Adjustable furniture
US9474375B2 (en) 2007-04-26 2016-10-25 Integrated Furniture Technologies Limited Adjustable furniture
US10004334B2 (en) 2010-09-09 2018-06-26 Integrated Furniture Technologies Limited Lift-recliner chair
US10226132B2 (en) 2013-09-20 2019-03-12 Integrated Furniture Technologies Limited Adjustable bed
US10334951B2 (en) 2014-12-11 2019-07-02 Dewertokin Gmbh Adjustable furniture
USRE47588E1 (en) 2001-03-05 2019-09-03 Brainlab Ag Patient positioning system for radiotherapy
US10932584B2 (en) 2015-03-11 2021-03-02 Motus Mechanics Limited Adjustable bed
US11395549B2 (en) 2018-08-09 2022-07-26 Eevolv Ltd Drive mechanism
US11812857B2 (en) 2016-06-13 2023-11-14 Motus Mechanics Limited Adjustable furniture

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7073219B2 (en) 2004-01-06 2006-07-11 Teknion Concept Side rail, hospital bed including the same, method of operating associated thereto and kit for assembling the side rail
BR202014009367Y1 (pt) * 2014-04-16 2017-11-21 Adjusta Comercio E Importação De Moveis Ltda-Epp Constructive deposition on double road for bed box
WO2017041149A1 (fr) * 2015-09-11 2017-03-16 Adjusta Comércio E Importação De Móveis Ltda Agencement structural pour lit-coffre

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB409463A (en) * 1933-01-12 1934-05-03 Ernest Vaughan Improvements relating to mattresses

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB409463A (en) * 1933-01-12 1934-05-03 Ernest Vaughan Improvements relating to mattresses

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999006120A1 (fr) * 1997-08-01 1999-02-11 Daniele Raggi Appareil d'exercice permettant d'effectuer des exercices d'etirement musculaire et respiratoires
USRE47588E1 (en) 2001-03-05 2019-09-03 Brainlab Ag Patient positioning system for radiotherapy
US9474375B2 (en) 2007-04-26 2016-10-25 Integrated Furniture Technologies Limited Adjustable furniture
GB2501993A (en) * 2009-08-18 2013-11-13 Integrated Furniture Technologies Ltd Adjustable furniture with guide and follower means
US10405660B2 (en) 2009-08-18 2019-09-10 Dewertokin Gmbh Adjustable furniture
GB2501993B (en) * 2009-08-18 2014-04-16 Integrated Furniture Technologies Ltd Adjustable furniture
US9241571B2 (en) 2009-08-18 2016-01-26 Integrated Furniture Technologies Limited Adjustable furniture
US8955178B2 (en) 2009-10-23 2015-02-17 Integrated Furniture Technologies Limited Adjustable furniture
US9198521B2 (en) 2009-10-23 2015-12-01 Integrated Furniture Technologies Limited Adjustable furniture
US10004334B2 (en) 2010-09-09 2018-06-26 Integrated Furniture Technologies Limited Lift-recliner chair
RU2642036C2 (ru) * 2012-06-28 2018-01-23 Эргомоушн, Инк. Шарнирно-сочлененная кровать с регулированием положения поясницы и головы
WO2014005083A1 (fr) * 2012-06-28 2014-01-03 Ergomotion, Inc. Lit articulé avec réglage lombaire et de tête
US10226132B2 (en) 2013-09-20 2019-03-12 Integrated Furniture Technologies Limited Adjustable bed
US10334951B2 (en) 2014-12-11 2019-07-02 Dewertokin Gmbh Adjustable furniture
US10932584B2 (en) 2015-03-11 2021-03-02 Motus Mechanics Limited Adjustable bed
EP3267845B1 (fr) * 2015-03-11 2023-07-12 Motus Mechanics Limited Lit réglable
US11812857B2 (en) 2016-06-13 2023-11-14 Motus Mechanics Limited Adjustable furniture
US11395549B2 (en) 2018-08-09 2022-07-26 Eevolv Ltd Drive mechanism

Also Published As

Publication number Publication date
ITPN950067A1 (it) 1997-06-29
JPH09308546A (ja) 1997-12-02
IT1282278B1 (it) 1998-03-16
CA2193612A1 (fr) 1997-06-30
IN186193B (fr) 2001-07-07
ITPN950067A0 (fr) 1995-12-29
BR9606216A (pt) 1998-08-25

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