EP3403538A1 - Anpassbares matratzenträgerelement - Google Patents

Anpassbares matratzenträgerelement Download PDF

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Publication number
EP3403538A1
EP3403538A1 EP17171287.0A EP17171287A EP3403538A1 EP 3403538 A1 EP3403538 A1 EP 3403538A1 EP 17171287 A EP17171287 A EP 17171287A EP 3403538 A1 EP3403538 A1 EP 3403538A1
Authority
EP
European Patent Office
Prior art keywords
adaptable
spring
mattress support
support element
legs
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Withdrawn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
EP17171287.0A
Other languages
English (en)
French (fr)
Inventor
Thomas Vanderbeke
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.)
Bekina Indurub
Original Assignee
Bekina Indurub
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 Bekina Indurub filed Critical Bekina Indurub
Priority to EP17171287.0A priority Critical patent/EP3403538A1/de
Publication of EP3403538A1 publication Critical patent/EP3403538A1/de
Withdrawn legal-status Critical Current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
    • A47C23/00—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases
    • A47C23/002—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases with separate resilient support elements, e.g. elastomeric springs arranged in a two-dimensional matrix pattern
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/04—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with spring inlays
    • A47C27/06—Spring inlays
    • A47C27/061—Spring inlays of adjustable resiliency
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/04—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with spring inlays
    • A47C27/06—Spring inlays
    • A47C27/065—Spring inlays of special shape

Definitions

  • the present invention relates to adaptable mattress support elements, mattress supports comprising the adaptable mattress support elements, related methods, and a kit of parts for manufacturing adaptable mattress support elements.
  • a proper sleeping posture is an essential prerequisite for proper recuperation during the night.
  • Both mattresses and mattress supports contribute to achieving a proper sleeping posture.
  • the hardness of the mattress support is especially important.
  • existing mattress supports suffer from serious drawbacks.
  • the hardness of the mattress support may be hard to regulate, or the hardness of the mattress support may vary over the bed's width.
  • some existing systems are difficult to assemble.
  • One existing system is described in DE 202014103388 . However, in this system, the mattress support's hardness can only be adjusted to two pre-sets.
  • the invention provides the following aspects:
  • 100 - adaptable mattress support element 200 - plate member; 210 - pins; 220 - top of base member (mattress support surface); 230 - aeration opening; 240 - bended ends; 250 - guiding ribs; 260 - reinforcement ribs; 280 - openings; 290 - base of plate member; 300 - annular member or ring; 310 - openings for pins; 400 - adaptable spring; 410 - screw thread; 420 - legs of the adaptable spring (400); 421 - elasticity opening; 430 - support base; 431 - opening in support base (430); 440 - openings between the legs (420) of the adaptable spring (400); 450 - reinforcement ribs between the legs (420) and the support base (430) of the adaptable spring (400); 460 - ring-shaped structure.
  • the present disclosure relates to adaptable mattress support elements.
  • Such elements are adaptable in that the hardness or stiffness of the spring suspending the top plate of said element can be adapted.
  • the adaptable mattress support elements hence comprise a plate member, an annular member, and a spring with adaptable hardness, called an "adaptable spring".
  • the spring constant of the adaptable mattress support element is determined by the position of said annular member relative to the adaptable spring.
  • the adaptable mattress support element is a device which is configured for supporting a mattress.
  • the adaptable spring comprises a longitudinal direction projecting from the top (460) to the base (430).
  • the base (430) of the adaptable spring is preferably configured for being coupled to a frame of a bed.
  • the top of the adaptable spring supports the plate member (200), which is provided at the top (460) of the adaptable spring (400).
  • the longitudinal direction of the adaptable spring is the direction running from the adaptable spring's base to its top.
  • the longitudinal direction of the adaptable spring corresponds to the longitudinal direction of the adaptable mattress support element, i.e. the axis of the support element.
  • the adaptable spring comprises an elastic body between the adaptable spring's top and base.
  • the elastic body When a force is exerted on the adaptable spring in the adaptable spring's longitudinal direction, the elastic body deforms.
  • the force is a pressure force, the elastic body shortens in the longitudinal direction of the adaptable spring. This shortening typically co-occurs with an expansion of the elastic body in the plane perpendicular to the longitudinal direction of the adaptable spring.
  • the elastic body comprises one or more legs (420).
  • the legs function as bendable springs, and bend in a direction substantially perpendicular to the longitudinal direction of the adaptable spring when a force is exerted on it along its longitudinal direction.
  • the legs typically bend towards the outside of the adaptable spring.
  • openings are typically present which physically separate adjacent legs.
  • the elastic body comprises 2 to 8 legs, preferably 4 legs. This results in an elastic body which operates satisfactorily for a limited process complexity.
  • Said legs typically have elasticity openings (421), further increasing the elasticity of the legs. The size of said openings can be varied to adjust the flexibility or elasticity of the legs (420).
  • the legs (420) bend towards the outside of the support element (100) when a compressive force is exerted on the adaptable spring along its longitudinal direction, e.g. a force applied to the support plate or top of the base element (230) from e.g. the mattress lying on top of it.
  • a compressive force is exerted on the adaptable spring along its longitudinal direction, e.g. a force applied to the support plate or top of the base element (230) from e.g. the mattress lying on top of it.
  • the elastic body is hollow between the legs. This increases the elasticity of the elastic body, and it reduces the material consumption.
  • the adaptable mattress support element further comprises an annular member or annular ring (300).
  • the annular member is slidably provided around the elastic body of the adaptable spring, in the longitudinal direction of the adaptable spring.
  • the elastic body comprises one or more legs
  • the annular member is slidably provided around said one or more legs.
  • the term "slidably” as used herein includes the possibility of compound movement, such as the movement of a nut around a bolt, which comprises a rotation superimposed on a linear translation by means of interacting and complementary screw-threads in the annular ring (300) and on the spring legs (420).
  • the plate member (200) comprises a base (290) and a top (220) or support plate.
  • the top of the element is configured to support a mattress and comprises a mattress support plate, which can have any desired shape.
  • the base of the plate member interacts with the adaptable spring and the annular member.
  • one or more pins (210) are fitted and pointed longitudinally towards the adaptable spring. Typically, the pins will be protruding alongside the longitudinal direction of the spring and the support element as a whole.
  • the plate member is located on top of the adaptable spring.
  • the annular member includes one or more openings configured or adapted to the pins of the top plate.
  • the number of openings in the annular member is equal to the number of pins on the top plate.
  • the annular member is slidably provided over said one or more mounted pins.
  • the annular member comprises an inner surface comprising a screw thread or is capable of interacting with a screw thread
  • the adaptable spring comprises an outer surface matching said screw thread, or allowing said annular member to engage therewith.
  • the screw thread on the adaptable spring is applied on the outer surface of the elastic body.
  • the adaptable spring includes legs
  • the screw thread is typically provided on the outer surface of the legs.
  • the inside of the annular ring engages with the screw thread on the outer surface of the adaptable spring.
  • the number of pins of the plate member and the number of openings for pins in the annular member is equal to 2 to 8, preferably 2, 4, 6, or 8, preferably equal to four. More preferably, four pins and four openings for pins are arranged on the vertices of a virtual square.
  • the center of the virtual square in which the pins are arranged is aligned with the center of the disk member.
  • the center of the virtual square in which the openings for the pins are arranged is aligned with the center of the annular member.
  • the elastic body of the adaptable spring comprises a weakened zone.
  • the elastic body bends most strongly in the weakened zone.
  • the weakened zone increases the dynamic range of the adaptable spring.
  • this weakened zone is preferably designed as an elasticity opening (421) in each leg. In each leg, the elasticity opening is typically located between the screw thread and the bottom of the adaptable spring.
  • the adaptable spring comprises a support base (430) and a ring-shaped structure (460).
  • the elastic body is connected at the bottom with the support base and is connected at the top with the ring-shaped structure.
  • the connection between the legs and the support surface comprises multiple reinforcement ribs, more preferably two reinforcement ribs per spring.
  • the ring-shaped structure is an efficient way to support the plate member.
  • the support base allows for an efficient connection between the adaptable mattress support element and the frame of a mattress support or bed structure.
  • the plate member comprises a vent hole. This way, a mattress can be ventilated efficiently.
  • the number of starts of the screw thread of the annular member and the adaptable spring is equal to the number of legs of the adaptable spring, to ensure stability. In alternative embodiments, the number of starts of the screw thread of the annular member and the adaptable spring, is greater than the number of legs of the adaptable spring.
  • the pitch of the screw thread of the annular member and the adaptable spring is equal to 2.0 to 10.0 mm, preferably equal to 4.0 to 8.0 mm, more preferably equal to 6.5 mm.
  • the pitch of the screw thread corresponds to the distance over which the annular member is shifted at a rotation of 360°, divided by the number of starts. A higher pitch yields higher accuracy, but a lower pitch yields easier adjustment of the adaptable disk - less rotation is required to achieve a specific change in the spring constant of the adaptable disk. The mentioned ranges achieve a good balance between ease of use and accuracy.
  • the base of the adaptable spring comprises an opening, which can be configured to interact with any type of connection means to a mattress support.
  • the opening allows for a simple and universal connection to any type of mattress support.
  • the plate member comprises one or more guiding ribs to determine the relative position of the plate member versus the adaptable spring. These ribs also can increase the stability of the adaptable mattress support disk.
  • the guiding ribs (250) are attached to the bottom of the plate member.
  • the one or more guiding ribs are arranged around the center of the plate member.
  • the plate member comprises one or more reinforcement ribs (450).
  • one or more reinforcement ribs are attached to the bottom of the plate member.
  • the one or more reinforcement ribs are arranged as a circle and a quadrilateral star which are connected to each other.
  • the reinforcement ribs are concentrically arranged around the center of the plate member. The reinforcement ribs increase the second moment of inertia of the plate member, thus increasing its resistance to bending.
  • a mattress support installation comprising a plurality of adaptable mattress support elements.
  • the hardness or the softness of mattress supports can be easily, variably and efficiently modified throughout the supported area.
  • the method comprises the following step: moving the annular member or ring in the longitudinal direction of the adaptable spring.
  • the annular member is moved in the longitudinal direction of the adaptable spring by rotating the annular member together with the plate member.
  • said plate member and annular ring are connected through pins (210) on the plate member configured to engage within pin openings (310) in the annular member or ring.
  • kits of parts for the manufacture of an adaptable mattress support element as described herein.
  • the kit includes a plate member, an annular member or ring, and an adaptable spring as defined herein.
  • the kit includes instructions for a method for adjusting the spring constant of the adaptable mattress support element as defined herein.
  • Said adjustable mattress support elements and the components thereof are typically made by injection-moulding of plastic materials using techniques know in the art.
  • the materials used for manufacturing the different components can be any suitable material that: for the support plate and the annular ring member are sufficiently resilient to support the structure of the support element and for the spring member are sufficiently flexible to ensure the adaptable character of the support element. All materials need to be suitable for injection molding and hence typically will be thermoplastics.
  • the support plate and the annular ring member are made out of thermoplastic polymers such as Polyolefins, Polypropylene (PP), Polyethylene (PE), Polymethylpentene (PMP), , Polyoxymethylene (Acetal) (POM), high density polyethylene (HDPE), out of styrene graft copolymers such as Acrylonitrile Butadiene Styrene (ABS), or out of hard polyamides (PA) or other hard plastic or polymeric materials.
  • thermoplastic polymers such as Polyolefins, Polypropylene (PP), Polyethylene (PE), Polymethylpentene (PMP), , Polyoxymethylene (Acetal) (POM), high density polyethylene (HDPE), out of styrene graft copolymers such as Acrylonitrile Butadiene Styrene (ABS), or out of hard polyamides (PA) or other hard plastic or polymeric materials.
  • the spring is typically made out of thermoplastic elastomers (TPE's) such as Thermoplastic Polyester Elastomer (TPEE), Thermoplastic Vulcanizate (TPV), Thermoplastic Polyurethane (TPU), or out of styrene block copolymers (SBC's) such as SEBS, SBS Styrene-Butadiene-Styrene (SBS), Styrene-Isoprene-Styrene (SIS), Styrene-Ethylene-Butadiene-Styrene (SEBS), Styrene-Ethylene-Propylene-Styrene (SEPS), or other flexible materials or polymers.
  • TPE's thermoplastic elastomers
  • TPEE Thermoplastic Polyester Elastomer
  • TPV Thermoplastic Vulcanizate
  • TPU Thermoplastic Polyurethane
  • SBC's styrene block copo
  • the annular ring member and the support plate are made out of PP and/or in a particularly preferred embodiment, the spring is made out of TPEE.
  • Fig. 1 shows a side view of an adaptable mattress support element (100)
  • Fig. 2 shows a top view of the adaptable mattress support element (100).
  • the adaptable mattress support element (100) comprises essentially three parts: a plate member (200) which will support the mattress, an adaptable spring (400) which can be connected through its base to a mattress support, and an annular member or annular ring (300) which is configured to engage with and rotate over the outer surface of the adaptable spring, controlled by movement of the plate element with which it is coupled through pins on said plate member and openings for pins in said annular member.
  • the adaptable mattress support element (100) has a spring constant that is easily modified by changing the position of the annular ring over the adaptable spring in its longitudinal direction. This allows for the softness of a mattress support comprising adaptable mattress support element to be modified. After all, the lower the spring constant of the adaptable mattress support element, the softer the mattress support.
  • the annular member (300) is attached in a slidable manner to the plate member (200) using pins (210). Furthermore, the annular member (300) engages with screw thread (410) in the adaptable spring (400). When the plate member (200) is rotated relative to the adaptable spring (400), the pins (210) make sure the annular member (300) rotates clockwise (or counter-clock-wise) together with the plate member (200).
  • the annular member (300) engages with the screw thread (410) on the adaptable spring, the annular member (300) moves downwards (respectively upwards) along said adaptable spring (400), and the distance between the support surface (220) of the plate member (200) and the annular member (300) also increases (respectively decreases), which corresponds to a decrease (respectively increase) of the distance between the annular member (300) and the support base (430) of the adaptable spring (400).
  • the distance over which the annular member (300) is moved at a 360° rotation is equal to the lead of the screw thread (410), which is its pitch times the number of starts. This way, by rotating over said screw thread, the annular ring moves in a longitudinal direction over the spring.
  • the spring constant of the adaptable spring (400) is determined by the position of the annular member (300) relative to the support base (430) of the adaptable spring (400). In particular, the spring constant of the adaptable spring (400) decreases as the distance between the annular member (300) and the support base (430) of the adaptable spring increases.
  • the legs (420) act as springs, and bend (typically) outward under the influence of the force. The greater the force applied, the greater the outward bend, all other things being equal.
  • the legs (420) bend outward mainly between the support base (430) of the adaptable spring (400) and the annular member (300). This is accomplished by providing an elasticity opening in each leg (420) between the screw thread (410) and the support base (430) of the adaptable spring (400). The elasticity opening locally reduces the resistance of the legs (420) against bending so that the legs (420) mainly bend between the screw thread and the support base (430) of the adaptable spring (400) where the elasticity opening is located.
  • annular ring or member (300) is located around the legs (420) of the spring, they will reduce the outward bending of the legs under applied pressure, depending on their position relative to the spring. If said annular ring (300) is located closest to the plate member, the legs can bend freely and the supporting element as a whole will be most flexible. If on the other hand the annular member is located over the legs (i.e. distance between annular member and plate member increases), the legs will have less freedom to bend outwards and the supporting element as a whole will be more rigid. As a consequence, the distance over which the legs (420) bend decreases as the distance between the annular member (300) and the support base (430) of the adaptable spring decreases.
  • Fig. 3 shows a top view of the plate member (200).
  • the plate member (200) includes a ventilation hole (230) permitting the mattress to air.
  • the plate member (200) further comprises a support surface (220) upon which a mattress can rest. Further, the plate member (200) can comprise four bent ends (240) to reduce friction on the mattress.
  • Fig. 4 and Fig. 5 are bottom views of the plate member (200).
  • Four pins (210) are attached to the plate member (200).
  • the pins (210) are located on the vertices of a virtual square.
  • the center of the square corresponds to the center of the plate member (200).
  • guiding ribs (250) are attached that determine the relative position of the disk member (200) and the adaptable spring.
  • the adaptable spring is placed around the guiding ribs (250).
  • the bottom of the disk member (200) comprises reinforcement ribs (260) as well, arranged in the form of a circle and a quadrilateral star which are connected to each other and which are concentrically arranged around the center of the plate member (200).
  • the reinforcement ribs (260) are located closer to the center of the plate member (200) than the guiding ribs (250).
  • the reinforcement ribs (260) increase the second moment of inertia of the plate member (200) so that it bends less easily.
  • the plate member can also comprise additional openings (280) which can be used for visualizing the position of the plate member versus the ring-shaped structure (460) of the spring (400) and which can indicate the hardness or stiffness of the support element as a whole.
  • setting 1 most flexible (ring member positioned right under support plate, virtually not screwed over the spring, hence allowing maximal outward bending of the flexible members of the spring), going to setting 4, most rigid setting (i.e. ring member screwed over the spring legs as much as possible, reducing the outward bending of the flexible members maximally).
  • FIG. 6 , 7 , and 8 show an annular member or ring (300).
  • Fig. 6 shows a top view
  • Fig. 7 shows a bottom view
  • Fig. 8 a view from the side.
  • the annular member (300) comprises four openings (310) for the pins.
  • the openings (310) are located at the vertices of a square of which the center coincides with the center of the annular member (300).
  • the annular ring is configured to engage with the screw thread of the adaptable spring.
  • the inside of the annular member (300) can further comprise screw thread (320) that fits the screw thread of the adaptable spring. This way, the annular member (300) can be moved in the longitudinal direction of the adaptable spring by rotation of the annular member (300).
  • FIG. 9 shows a view from the side
  • Fig. 10 a bottom view
  • Fig. 11 a top view of an adaptable spring (400).
  • the adaptable spring (400) comprises four legs (420). At the bottom of the adaptable spring (400), the legs are attached to a support base (430) and at the top of the adaptable spring (400), the legs are attached to a ring-shaped structure (460). During normal use, the ring-shaped structure (460) supports the disk member, and the disk member rotates over the annular member (460) when the stiffness of the adaptable mattress support disk is adjusted.
  • the legs (420) bend when a force is applied to the adaptable mattress support disk; openings (440) are provided between the legs so that the legs can easily bend outward.
  • the legs comprise screw thread (410).
  • the stiffness of the adaptable spring (400) can be modified, so that the stiffness of an adaptable mattress support disk that includes the adaptable spring (400) will also be modified.
  • the adaptable spring (400) comprises a support base (430) that is connected to the legs (420).
  • the connection comprises two reinforcement ribs (450) per leg (420) that reinforce the connection between the support base (430) and the legs (420).
  • the support base (430) comprises an opening (431), which is configured to universally interact with a connection means typical for known mattress supports..
  • an elasticity opening (421) is provided between the screw thread (410) and the support base (430).
  • the elasticity opening lowers the resistance of the legs against bending at the location where the elasticity opening (421) is provided.

Landscapes

  • Mattresses And Other Support Structures For Chairs And Beds (AREA)
EP17171287.0A 2017-05-16 2017-05-16 Anpassbares matratzenträgerelement Withdrawn EP3403538A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP17171287.0A EP3403538A1 (de) 2017-05-16 2017-05-16 Anpassbares matratzenträgerelement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17171287.0A EP3403538A1 (de) 2017-05-16 2017-05-16 Anpassbares matratzenträgerelement

Publications (1)

Publication Number Publication Date
EP3403538A1 true EP3403538A1 (de) 2018-11-21

Family

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EP17171287.0A Withdrawn EP3403538A1 (de) 2017-05-16 2017-05-16 Anpassbares matratzenträgerelement

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EP (1) EP3403538A1 (de)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040123384A1 (en) * 2002-07-31 2004-07-01 Froli Kunststoffwerk Heinrich Fromme Ohg Spring element for beds or chairs
DE202008010210U1 (de) * 2008-07-31 2008-10-09 Claus Groth Gmbh Federvorrichtung für Liegemöbel
US20100058536A1 (en) * 2007-04-02 2010-03-11 Froli Kunststoffwerk Henrich Fromme Ohg Support element for a cushion cover for seating and lying areas
DE202014103388U1 (de) 2014-07-23 2014-09-05 Siegbert Hartmann Auflagerelement eines Sitz- oder Liegemöbels

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040123384A1 (en) * 2002-07-31 2004-07-01 Froli Kunststoffwerk Heinrich Fromme Ohg Spring element for beds or chairs
US20100058536A1 (en) * 2007-04-02 2010-03-11 Froli Kunststoffwerk Henrich Fromme Ohg Support element for a cushion cover for seating and lying areas
DE202008010210U1 (de) * 2008-07-31 2008-10-09 Claus Groth Gmbh Federvorrichtung für Liegemöbel
DE202014103388U1 (de) 2014-07-23 2014-09-05 Siegbert Hartmann Auflagerelement eines Sitz- oder Liegemöbels

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