EP1631170B1 - Lit relevable et abaissable - Google Patents

Lit relevable et abaissable Download PDF

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Publication number
EP1631170B1
EP1631170B1 EP04736166A EP04736166A EP1631170B1 EP 1631170 B1 EP1631170 B1 EP 1631170B1 EP 04736166 A EP04736166 A EP 04736166A EP 04736166 A EP04736166 A EP 04736166A EP 1631170 B1 EP1631170 B1 EP 1631170B1
Authority
EP
European Patent Office
Prior art keywords
cantilever
profile
bed
wheels
bedstead
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.)
Expired - Lifetime
Application number
EP04736166A
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German (de)
English (en)
Other versions
EP1631170A1 (fr
Inventor
Andreas Lennart Tillman
Helmut Peter Paul Obermüller
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Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP1631170A1 publication Critical patent/EP1631170A1/fr
Application granted granted Critical
Publication of EP1631170B1 publication Critical patent/EP1631170B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • A47C17/00—Sofas; Couches; Beds
    • A47C17/84—Suspended beds, e.g. suspended from ceiling

Definitions

  • the present invention relates to a raisable and lowerable bed that includes a bedstead which is supported by a cantilever that extends generally horizontally and that is mounted at one end for vertical movement in a frame structure which extends from floor to ceiling while keeping a horizontal position, wherein a counterweight device which is suspended by a line, chain or the like that runs from the cantilever and over a guide roller mounted at the upper end of the frame structure for the purpose of balancing the weight of the bedstead and cantilever.
  • Beds take up considerable room space. The trend is towards wider beds, whilst, at the same time, confined living in smaller apartments located in densely built-up areas increases. It is therefore desirable to be able to utilise the floor space taken up by the bed, when the bed is not in use.
  • the floor area taken up by the bed can be utilised by moving the bed. This enables rooms that have a small floor area to be used as a bedroom in which the bed would otherwise take up an excessive portion of the floor space.
  • Attic bed Another way of obtaining more floor space is to mount the bed slightly beneath the ceiling, so-called attic bed. Access to the bed, however, is restricted since the user needs to climb onto the bed, which is strenuous and requires the user to be physically fit.
  • Another way of obtaining free floor space is to lift the bed in a retained horizontal position, by lifting the bed at all four corners.
  • the four corners of the bed are connected to a counterweight with the aid of a wire system.
  • Two guide rails take up solely dynamic forces acting in the horizontal plane.
  • DE 8304830 U teaches another known bed structure in which the bed can be raised and lowered along two vertical rails placed along one side of the bed, while keeping the bed horizontal. The force required to achieve such vertical movement is obtained pneumatically.
  • the object of the present invention is to provide a simplified construction of the aforesaid kind for raising and lowering the bed while keeping the bed horizontal.
  • the present invention thus provides a considerably simplified and therewith less expensive construction, which also alleviates other deficiencies of earlier known solutions, such as time-consuming handling of te bed, poor access and non-optimal space saving.
  • a bedstead can also be moved vertically along a vertical rail while keeping the bed horizontal, said bedstead being mounted on a cantilever which is guided in all degrees of freedom with the exception of vertical movement, wherein the cantilever is connected to a counterweight to achieve constant equilibrium in the direction of vertical movement.
  • the rail is comprised of telescopic profile sections for adaptation to different ceiling heights.
  • the profile sections of the telescopic construction can be locked relative to one another in desired positions, therewith allowing the full weight of the arrangement to support against the floor. This means that the upper attachment will not be loaded by vertically acting forces and allows the requirement of the ceiling attachment to be kept at level attainable in the home.
  • the profile sections are C-profiles, within which the cantilever wheels run. This solution enables the bedstead and the counterweight to be guided by one single rail.
  • part which transmits a moment of force from the bedstead to the rail is such that the spot loads from the cantilever wheels are kept low and of equal magnitude between said wheels.
  • one end of the inner profile of the telescopic construction is provided with wedges and the wheel peripheries are given a planar surface and a V-shaped surface part, said planar surface of respective wheels running against the inside of the profiles, wherein the wedges and the V-shaped surface part of respective wheels are mutually adapted so that the wheels will run smoothly over the junction between two profile sections of mutually different dimensions in the telescopic construction.
  • the cantilever profile is pivotally mounted on a round profile arranged in the longitudinal direction of the cantilever profile and fastened to the cantilever attachment, wherein locking means are provided for locking the cantilever profile in a desired position of rotation relative to the round profile, and adjustment means are provided for rotating the cantilever profile round a horizontal rotational axis at right angles to the cantilever profile for adjustment of the position of said profile.
  • Figure 1 is a side view of one embodiment of the bed mounted between the floor and ceiling of a room
  • Figure 2 is an overview of those parts of the bed that are shown in more detail in the following Figures
  • Figure 3:1 is a side view of the telescopic construction of said rail
  • Figure 3:2 is a sectional view taken through the plane A-A in Figure 3:1
  • Figure 4:1 illustrates locking of two profiles relative to one another
  • Figure 4:2 is a sectional view taken through the plane D-D in Figure 4:1
  • Figure 5:1 is a cross-sectional view of the inner profile and cross-sectional views B-B and C-C in the Figure
  • Figure 5:2 shows longitudinal junctions between the two rail profiles
  • Figure 5:3 illustrates the design of the wheels that support the cantilever in the rail
  • Figure 6 is a view similar to that in Figure 1 and illustrates forces and moments occurring in the bed construction
  • the inventive bed includes a framework comprised of profile sections that are partially inserted into one another to form a telescopic construction 1, which is intended to be fastened to floor 25 and ceiling 22 of a room, see Figure 1.
  • the rail functions to guide a wheeled cantilever 2, on which a bedstead 3 having legs 23 is mounted, in all directions with the exception of the vertical direction.
  • the telescopic construction enables the bed to be installed in rooms of arbitrary ceiling height. Since the profile sections of the telescopic constructions are rigid and since the entire construction supports against the floor 25, the floor 25 and the ceiling 22 attachments can be kept at a level achievable in the home.
  • the framework is suitably mounted adjacent a wall 24 so that the largest possible floor space will be exposed when the bedstead is raised.
  • the guided cantilever 2 may be connected to a counterweight 4 by means of a chain and via a guide roller for instance.
  • the counterweight 4 is guided by the rail in all directions except in the vertical direction and enables the bedstead 3 to be moved from floor 25 to ceiling 22 with the aid of only a small external force from the user.
  • FIG. 1 is an overview of those regions concerned in the description of structural solutions.
  • the telescopic construction comprises two profile sections 5 and 6 (see Figure 3:2), which are sufficiently rigid to take up all bending moments exerted by the bedstead.
  • the profiles 5 and 6 have mutually different dimensions and are inserted partially into one another (see Figure 3:1).
  • the upper profile 5 is mounted to the ceiling with the aid of a ceiling-mounted attachment.
  • the lower profile 6 is mounted on a floor-mounted attachment.
  • the two profiles are fastened together partly by being inserted into one another and partly by being screwed together with the aid of a screw tab 9 shown in Figures 4:1 and 4:2.
  • One of the profiles includes grooves and the other holes for fitting screw tabs.
  • the length of the grooves is chosen with respect to the pitch of the holes, therewith enabling the length of the telescopic construction to be varied smoothly.
  • one end of the inner profile 5 is provided with wedge-shaped elements.
  • the purpose of these elements is to reduce the prominence of the junction between adjacent profiles which is equal to the thickness of the inner profile 5 and which needs to be overcome by the wheels 7.
  • the wheels 7 By forming wedges in the material of the inner profile 5 while retaining ,the thickness of said material in accordance with Figure 5:2 and by allowing wheels having V-shaped grooves in accordance with Figure 5:3 to roll over the wedges the otherwise abrupt thickness junction will be spread over the length of the wedges.
  • wheels 7 are mounted on a cantilever attachment 11, see Figures 7:1 and 7:2.
  • the wheels 7 respectively include a planar surface and a V-shaped groove, see Figure 5:3.
  • the planar part of the wheels run against the insides of the profile in all positions, with the exception of the junction between the different profiles, see Figure 5:2, where the wheels run smoothly between the internal measurements of both profiles. This means that the wheels will run over the joints in a manner that will scarcely be noticed by the person handling the bed.
  • the cantilever attachment 11 comprises, among other things, sixteen wheels 7, shown in Figures 7:1 and 7:2. In the case of the Figure 7:1 embodiment, these sixteen wheels 7 transmit to the rail 1 the forces F 6 and F 7 exerted by the mass of the bedstead 3 and the cantilever 2, see F 1 in Figure 6. Vertical movement is enabled at the same time.
  • the sixteen wheels 7 are fitted in pairs on a respective horizontal shaft 8.
  • Each of the shafts 8, eight in number, is loaded by a respective spring 10, so as to distribute the load between the shafts, see Figure 7:1.
  • all eight shafts 8 are pivotally mounted on spring 10, in order to distribute the load between the two wheels carried on a respective shaft.
  • the shafts are guided solely for pivotal movement around the spring and for movement in the direction of the spring action.
  • transverse wheels 12 are mounted on the cantilever attachment and guide said attachment vertically in the rail together with the aforesaid wheels 7.
  • the bedstead is mounted on a cantilever profile having the cross-section shown in Figure 9:2.
  • the cantilever profile is inserted along a part of its length over a round tube which forms a part of the cantilever attachment 11 guided in said rail, see Figure 9:1.
  • it can be rotated about its longitudinal axis, i.e. around the tube on which said profile is inserted, prior to tightening the bolts 15.
  • the cantilever profile can be adjusted vertically with the aid of setting screws 21 and thereby rotated around the shaft 14.
  • the cantilever attachment 11 is connected to a counterweight 4 via two chains 17 which run over a guide roller 18 mounted at the upper end of the rail 1, see Figure 10.
  • the position of the guide roller 18 in the rail 1 is chosen with regard to the aforesaid aim of minimising the forces acting in the ceiling attachment, and is thus mounted in the rail standing on the floor.
  • the counterweight is designed as a holder for a number of loose weights 19. These weights are placed in and fixed to the holder.
  • the holder is covered with a casing when it has been filled with sufficient weights to provide an appropriate counterweight.
  • Figure 12 shows the weight holder 4 from above.
  • the weight holder is guided in all directions around the rail, with the exception of the vertical direction, with the aid of two slide elements 20 in the upper and lower edge of the weight holder 4.
  • These slide elements 20 are adapted to handle the size junction between said two profiles.
  • the mass of the loose weights 19, which are suitably equal in weight, is determined with reference to the internal friction of the system.
  • the mass of each loose weight is adapted so that it is less than the hysteresis in the system which regard to friction. This enables the weight of the bedstead and correctly chosen counterweight to achieve equilibrium with the internal friction.
  • the counterweight may conveniently be provided with a handle.
  • the bedstead can then be lowered by pulling on the handle with a force that exceeds said internal friction.
  • the bedstead can then be moved directly down onto the floor.

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Nursing (AREA)
  • Invalid Beds And Related Equipment (AREA)
  • Mattresses And Other Support Structures For Chairs And Beds (AREA)
  • Bedding Items (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)
  • Finger-Pressure Massage (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)

Claims (12)

  1. Un lit relevable et abaissable qui inclut un châssis (3) supporté par un porte-à-faux (2) généralement horizontal qui s'étend sous le châssis et qui est monté à une extrémité pour mouvements verticaux sur une structure cadre qui s'étend du sol au plafond lorsque le porte-à-faux est en position horizontale, où un dispositif de contre poids (4) est suspendu par un câble, une chaîne, ou des moyens pareils qui s'étend entre le porte-à-faux et sur un roulement de guidage monte a l'extrémité supérieure de la structure dans le but de contrebalancer le poids du châssis et le porte-à-faux, caractérisé en ce que la structure cadre inclus seulement un rail (1) dans lequel le porte-à-faux (2) est monte sur roues (7) a une extrémité pour les mouvements verticaux le long du rail.
  2. Un lit selon la revendication 1, caractérisé en ce que le rail (1) est une construction télescopique composée de sections profilées (5,6) pour permettre l'adaptation à différentes hauteurs de plafond.
  3. Un lit selon la revendication 1 ou 2, caractérisé en ce que les sections profilées (5,6) de la construction télescopique peuvent être verrouillées relativement l'une a l'autre dans les positions désirées de manière à ce que le poids de l'arrangement complet soit en appui sur le sol (25).
  4. Un lit selon la revendication 1 à 3, caractérisé en ce que les sections profilées (5,6) sont a section en C, à l'intérieur desquelles les roues (7) du porte-à-faux se déplacent.
  5. Un lit selon l'une quelconque des revendications précédentes, caractérisé en ce que le nombre de points de contact entre le porte-à-faux (2) et le rail (1) qui transmet les moments de force causés par le poids du lit sont au nombre plus que cinq.
  6. Un lit selon la revendication 5, caractérisé en ce que le lit inclut une construction qui distribue les charges de manière égale entre les points de contact qui transmettent les moments de forces dus au poids du lit.
  7. Un lit selon la revendication 6, caractérisé en ce que le construction qui distribue le charge de manière égale entre lesdits points de contact inclue des axes élastique montés en pivot (8) chacun portant deux roues.
  8. Un lit selon à l'une quelconque des revendicaions 2 à 7, caractérisé en ce que l'une des extrémités du section profilé (5) de la construction télescopique est fourni des éléments en forme de coin, et en ce que la périphérie des roues (7) a une surface planaire et une partie en surface en V, où la surface planaire desdites roues roule contre l'intérieur des profilés et où les éléments en forme de coin et la partien en surface en V des dites roues sont adaptées l'une a l'autre de manière à ce que les roues se déplacent de manière douce sur la jonction entre deux sections profilées de dimensions différentes dans la structure télescopique.
  9. Un lit selon l'une quelconque des revendications précédents, caractérisé en ce que le porte-à-faux inclut un attachement de porte-à-faux (11) et un porte-à-faux profilé (13) dans lequel le châssis (3) est fixé et qui est monté avec l'attachement de porte-à-faux (11) de manière à permettre au porte-à-faux profile (13) d'être ajusté relativement à l'attachement de porte-à-faux durant l'installation afin que les points de portage du lit soient sur un plan contre le sol.
  10. Un lit selon la revendication 9, caractérisé en ce que le porte-à-faux profil (13) est monte en pivot sur un profilè rond disposé la direction longitudinale du porte-à-faux profil et fixé a l'attachement de porte-à-faux (11), où de moyens de verrouillage (15) sont fournis pour verrouiller le porte-à-faux profil dans une position de rotation désirée par rapport au profilè rond.
  11. Un lit selon la revendication 9 ou 10, caracterise par de moyens d'ajustement (21) permettant la rotation du porte-à-faux profil (13) autour d'un axe pivot horizontal a angle droit du porte-à-faux profil pour l'ajustement en position dudit profil.
  12. Un lit selon l'une quelconque des revendications précédente, caractérisé en ce que le dispositif de contrepoids est guidé par le rail (1) pour des mouvements verticaux uniquement.
EP04736166A 2003-06-10 2004-06-04 Lit relevable et abaissable Expired - Lifetime EP1631170B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0301696A SE525363C2 (sv) 2003-06-10 2003-06-10 Höj- och sänkbar säng
PCT/SE2004/000872 WO2004107922A1 (fr) 2003-06-10 2004-06-04 Lit relevable et abaissable

Publications (2)

Publication Number Publication Date
EP1631170A1 EP1631170A1 (fr) 2006-03-08
EP1631170B1 true EP1631170B1 (fr) 2007-05-09

Family

ID=29212430

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04736166A Expired - Lifetime EP1631170B1 (fr) 2003-06-10 2004-06-04 Lit relevable et abaissable

Country Status (5)

Country Link
EP (1) EP1631170B1 (fr)
AT (1) ATE361688T1 (fr)
DE (1) DE602004006413T2 (fr)
SE (1) SE525363C2 (fr)
WO (1) WO2004107922A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2472409C1 (ru) * 2011-05-27 2013-01-20 Юлия Алексеевна Щепочкина Стол (варианты)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005012156A2 (fr) 2003-07-31 2005-02-10 Happijac Company Systeme et procede pour objets mobiles
SE529196C2 (sv) * 2005-08-25 2007-05-29 Andreas Tillman Hjälputrustning för sängbäddning och städning under säng
US7874026B2 (en) 2007-08-24 2011-01-25 Double Space Bed Systems, Inc. System and method for raising and lowering a bed
FR2935597B1 (fr) * 2008-09-09 2013-05-24 Anis Achek Technique de construction d'un plateau mobile
FR2946849A1 (fr) * 2009-06-22 2010-12-24 Wolfgang Gerlach Dispositif de stabilisation pour plate-forme ou lit a plateau mobile concu en porte-a-faux
US9656590B2 (en) 2014-05-15 2017-05-23 Lippert Components, Inc. Bed lift mounting member
DE102021005356A1 (de) 2021-10-28 2023-05-04 Tobias Bergweiler Vorrichtung zur Höhenverstellung eines Hochbettes

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3648304A (en) * 1969-12-23 1972-03-14 William Maldonado Ogui Article of furniture
DE8304830U1 (de) * 1983-02-22 1983-08-11 Hamburger Stahlmöbelfabrik Alfred Thomsen GmbH & Co, 2000 Hamburg Hubbett
CH680728A5 (fr) * 1990-04-18 1992-10-30 Manfred Kronshagen
FR2675986B1 (fr) * 1991-05-03 1995-09-01 Camail Francois Pied elevateur avec systeme mecanique pour plancher a hauteur variable par exemple pour un lit escamotable.
EP1201163A1 (fr) * 2000-10-30 2002-05-02 Gerhart W. Vilsmeier Lit élevable avec entraínement à courroie
ATE354304T1 (de) * 2000-12-15 2007-03-15 Gerhart W Vilsmeier Liftbett

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2472409C1 (ru) * 2011-05-27 2013-01-20 Юлия Алексеевна Щепочкина Стол (варианты)

Also Published As

Publication number Publication date
SE0301696D0 (sv) 2003-06-10
DE602004006413T2 (de) 2008-06-05
SE525363C2 (sv) 2005-02-08
SE0301696L (sv) 2004-12-11
WO2004107922A1 (fr) 2004-12-16
EP1631170A1 (fr) 2006-03-08
DE602004006413D1 (de) 2007-06-21
ATE361688T1 (de) 2007-06-15

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