EP3869999B1 - Bed structure - Google Patents

Bed structure Download PDF

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Publication number
EP3869999B1
EP3869999B1 EP19778542.1A EP19778542A EP3869999B1 EP 3869999 B1 EP3869999 B1 EP 3869999B1 EP 19778542 A EP19778542 A EP 19778542A EP 3869999 B1 EP3869999 B1 EP 3869999B1
Authority
EP
European Patent Office
Prior art keywords
lever
base
bed structure
mattress base
mattress
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.)
Active
Application number
EP19778542.1A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3869999A1 (en
Inventor
Dionisio Baldassarra
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.)
Mecline Srl
Original Assignee
Mecline Srl
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Filing date
Publication date
Application filed by Mecline Srl filed Critical Mecline Srl
Publication of EP3869999A1 publication Critical patent/EP3869999A1/en
Application granted granted Critical
Publication of EP3869999B1 publication Critical patent/EP3869999B1/en
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Anticipated expiration legal-status Critical

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Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C17/00Sofas; Couches; Beds
    • A47C17/86Parts or details specially adapted for beds, sofas or couches not fully covered by any single one of groups A47C17/02 - A47C17/84
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C19/00Bedsteads
    • A47C19/04Extensible bedsteads, e.g. with adjustment of length, width, height
    • A47C19/045Extensible bedsteads, e.g. with adjustment of length, width, height with entire frame height or inclination adjustments

Definitions

  • the present invention relates to a bed structure comprising a base container, a mattress base such as a mesh mattress base or a slatted mattress base or similar, and a reversible moving mechanism for moving the mattress base.
  • Such bed structures comprise a mattress base supported in an articulated manner by a box container.
  • the mechanisms that enable the end of the mattress base to be lifted comprise an articulated quadrilateral and elastic elements or electric actuators that enable the mattress base and mattress to be lifted with minimum effort to thus give access to the container below the mattress base. These mechanisms, in order to permit easy access to the container, guide the mattress base, so as to tilt the mattress base, lifting only one end thereof.
  • Both the lifting mechanisms of the mattress base require a certain physical effort from the user, despite the help of elastic elements, to take the mattress base and mattress from a first to a second stable position, in other words from a closed position to an open position of the container and vice versa.
  • hybrid lifting mechanisms exist that enable the mattress base to be taken both to the tilted position and to the raised horizontal position.
  • the patent for Italian utility model No 277112 discloses a mechanism that enables an end of the mattress base to be lifted with a first movement to access the volume below, and with a second movement enables the mattress base to be returned to the horizontal position but raised sufficiently to avoid the need to bend to remake the bed.
  • the hybrid lifting mechanisms of known type have at least two degrees of freedom of movement that are activatable in succession that do not permit continuous movement of the mattress base between the three stable positions. In order to pilot this movement, elastic elements and the intervention of the user are envisaged. This makes the operation of the lifting mechanism difficult, not always foreseeable and susceptible to possible errors.
  • the mattress base is moved to the stable open horizontal position protruding frontally beyond the volume of the box container of the bed structure. Accordingly, these bed structures have to be used in bedrooms that are sufficiently large to permit correct positioning of the mattress base in the stable open horizontal position.
  • US2009/255056 A1 and EP 2901895 A1 disclose a bed structure according to the preamble of claim 1.
  • the technical task of the invention is to overcome the limits set out above.
  • One object of the invention is to provide a bed structure comprising a reversible moving mechanism of the mattress base that enables the mattress base to be moved without requiring any effort by the user.
  • a further object of the invention is to provide a bed structure comprising a reversible moving mechanism of the mattress base that enables the mattress base to be moved with a single continuous one-way movement.
  • a further object of the invention is to provide a bed structure comprising a reversible moving mechanism of the mattress base that is usable in confined spaces.
  • a further object of the invention is to provide a bed structure comprising a reversible moving mechanism of the mattress base that is simple and intuitive to use.
  • the bed structure indicated generically with number 1 comprises a base container 5 having an open top, a bed base 6 such as a mesh mattress base or a slatted mattress base or any other kind of mattress base that supports a mattress 7 and at least one reversible moving mechanism 2a, 2b of the mattress base 6.
  • a bed base 6 such as a mesh mattress base or a slatted mattress base or any other kind of mattress base that supports a mattress 7 and at least one reversible moving mechanism 2a, 2b of the mattress base 6.
  • the reversible moving mechanism 2a, 2b comprises reciprocally hinged levers connecting the mattress base 6 to the base container 5.
  • the reversible moving mechanism 2a, 2b moves the mattress base 6 from a lower closed horizontal position of the open top of the base container 5 to a tilted position of access to the volume bounded by the base container 5, and subsequently to an upper horizontal position distanced from the open top of the base container 5.
  • the reversible moving mechanism 2a, 2b has overall only one degree of freedom and has a first rotation-translation stroke of the mattress base 6 from the lower horizontal position to the tilted position, and a second rotation stroke of the mattress base 6 from the tilted position to the upper horizontal position.
  • the rotation of the mattress base 6 in the second rotation stroke is opposite the rotation of the mattress base 6 in the first rotation-translation stroke.
  • the bed structure 1 comprises a linear actuator 17 of the reversible moving mechanism 2a, 2b that moves the mattress base 6 between the lower horizontal position, the tilted position and the upper horizontal position.
  • the linear actuator 17 locks the mattress base 6 in any position reached between the lower horizontal position and the upper horizontal position.
  • the upper horizontal position of the mattress base 6 is achieved when the linear actuator 17 reaches the end of the extension stroke and the reversible moving mechanism 2a, 2b supports the weight of the mattress base 6, of the mattress and of the blankets.
  • the linear actuator 17 is of electromechanical type, but it is possible to use indifferently a linear actuator of pneumatic type, hydraulic type, etc.
  • the linear actuator 17 is controlled by an opening button that drives the extension stroke and by a closing button that drives the retracting stroke.
  • the mattress base 6, and in particular the vertical projection thereof, is entirely contained inside the shape of the base container 5 in the lower horizontal position, in the tilted position and in the upper horizontal position.
  • the vertical projection of the mattress base 6 is entirely contained inside the shape of the base container 5 in any position reached between the lower horizontal position and the upper horizontal position.
  • linear actuator 17 is hinged to the lever of the reversible moving mechanism 2a, 2b.
  • the bed structure 1 comprises a support plate 4 fixed to an inner wall of the base container 5 and an angular profile 8 fixed to the mattress base 6.
  • the levers of the reversible moving mechanism 2a, 2b connect the support plate 4 to the angular profile 8. Consequently, the levers connect the base container 5 to the mattress base 6.
  • the levers of the reversible moving mechanism 2a, 2b comprise a first curved lever 9 and a second lever 10 that are hinged to one another and, respectively, to the support plate 4 and to the angular profile 8.
  • levers of the reversible moving mechanism 2a, 2b comprise a third lever 11 that has a first end hinged in an intermediate point of the second lever 10 and a second end hinged to the support plate 4.
  • levers of the reversible moving mechanism 2a, 2b comprise a fourth curved lever 12 having a first end hinged to the support plate 4 together with the second end of the third lever 11.
  • the levers of the reversible moving mechanism 2a, 2b comprise a fifth lever 13 that has a first end hinged to a second end of the fourth lever 12 and a second end hinged to the angular profile 8.
  • the levers of the reversible moving mechanism 2a, 2b comprise a driving lever 14 that connects by hinges an intermediate point of the first lever 9 to an intermediate point of the fourth lever 12 (not shown in the figures).
  • the driving lever 14 is hinged to an intermediate point of the first lever 9 and is connected to an intermediate point of the fourth lever 12 and to an intermediate point of the third lever 11 respectively by a first and a second connecting rod 15, 16.
  • the driving lever 14 is hinged at the same point to an end of the first connecting rod 15 and to an end of the second connecting rod 16.
  • the first connecting rod 15 is hinged to an intermediate point of the fourth lever 12 and the second connecting rod 16 is hinged to an intermediate point of the third lever 11.
  • linear actuator 17 is connected by hinges to an extension 18 of the support plate 4 and to the driving lever 14.
  • the bed structure 1 has two moving mechanisms 2a, 2b which are respectively fixed one to the right and one to the left of inner sides of the container 5 by respective support plates 4 and are connected to the mattress base 6 by corresponding connecting angular profiles 8.
  • the two reversible movement mechanisms 2a, 2b are the same and symmetrical to one another, as can be seen in figure 2 .
  • Both the reversible movement mechanisms 2a, 2b comprise levers, as disclosed previously.
  • the bed structure 1 further comprises a synchronizing bar 3 that connects intermediate points of the first lever 9 of the two reversible movement mechanisms 2a, 2b.
  • the synchronizing bar is configured to stiffen the structure when the bed is raised and to synchronize the movements of the two reversible movement mechanisms 2a, 2b.
  • the synchronizing bar 3 has the task of transferring the movement of the first lever 9 of one of the two movement mechanisms 2a, 2b to the lever 9 of the other movement mechanism 2a, 2b.
  • two linear actuators 17 can be mounted, one for each of the two movement mechanisms 2a, 2b, so as to distribute the force necessary to each actuator 17 to drive the mechanisms 2a, 2b.
  • the first lever 9 drives the second lever 10, which in turn, guided by the third lever 11, moves one end of the connecting angular profile 8.
  • the fourth lever 12 on the other hand, owing to the fifth lever 13, moves the intermediate point of the aforesaid connecting angular profile.
  • the rotation movement enables an end of the mattress base 6 to be lifted so as to give easy access to the container 5, whereas the translation movement enables the other end to be moved away from a possible headboard 20 of the bed structure 1. This enables the mattress not to interfere with the headboard 20, when this configuration is reached, as can be seen in figure 5 .
  • the mattress base 6 leaves a sufficient space between the mattress 7 and headboard 20, to enable the hands to be inserted to rearrange the blankets but does not protrude beyond the volume of the closed bed so as to be able to be used in rooms of reduced space.
  • the opposite movement is obtained by driving the actuator in the opposite direction.
  • the reversible moving mechanism 2a, 2b moves the mattress base 6 from the upper horizontal position to the tilted position, to then return to the lower closed horizontal position of the base container 5.
  • the reversible moving mechanism 2a, 2b comprises the two connecting rods 15 and 16.
  • the linear actuator 17driven in extension moves the driving lever 14, which in turn rotates the first lever 9 and the fourth lever 12 by means of the first connecting rod 15 and guided by the second connecting rod 16.
  • the presence of the first and the second connecting rod 15, 16 enables the force required by the actuator to be made more uniform during the entire actuator stroke.
  • the presence of the connecting rods 15, 16 enables the arm that generates the torque on the fourth lever 12 to be modified, extending the arm at the start and end of the movement and when the mattress base 6 is respectively in the lower horizontal position and in the upper horizontal position, and reducing the arm when the mattress base 6 is in the tilted position.
  • the force required to the linear actuator 17 is increased when the mattress base 6 is in a tilted position and is reduced when the mattress base 6 is in the lower and upper horizontal positions. In this manner, the reversible moving mechanism 2a, 2b is less stressed, has greater actuating speed and greater reliability owing to the presence of the two connecting rods 15, 16.
  • the procedure to be followed is identical to the preceding procedure except that instead of stopping in the tilted position, the user has to continue to press the opening button until the mattress base 6 reaches the upper horizontal position.
  • Closing occurs in the same manner as previously disclosed. By passing through the tilted position of the mattress base 6, the user can decide to stop the movement by interrupting the interaction with the closing button, to place blankets or other objects inside the container again.

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Nursing (AREA)
  • Invalid Beds And Related Equipment (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
EP19778542.1A 2018-11-29 2019-10-02 Bed structure Active EP3869999B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT102018000010706A IT201800010706A1 (it) 2018-11-29 2018-11-29 Meccanismo per l’apertura ed il sollevamento di un letto contenitore senza sforzo
PCT/EP2019/076703 WO2020108829A1 (en) 2018-11-29 2019-10-02 Mechanism for opening and lifting a container bed without effort

Publications (2)

Publication Number Publication Date
EP3869999A1 EP3869999A1 (en) 2021-09-01
EP3869999B1 true EP3869999B1 (en) 2023-02-22

Family

ID=65576531

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19778542.1A Active EP3869999B1 (en) 2018-11-29 2019-10-02 Bed structure

Country Status (4)

Country Link
EP (1) EP3869999B1 (pl)
IT (1) IT201800010706A1 (pl)
PL (1) PL3869999T3 (pl)
WO (1) WO2020108829A1 (pl)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7743440B2 (en) * 2008-04-09 2010-06-29 Burnett John A Bed with automatic mattress lifting system
EP2901895B1 (en) * 2014-01-31 2016-11-02 Pessottoreti S.A.S. Device for lifting a bed-spring

Also Published As

Publication number Publication date
EP3869999A1 (en) 2021-09-01
IT201800010706A1 (it) 2020-05-29
PL3869999T3 (pl) 2023-05-08
WO2020108829A1 (en) 2020-06-04

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