EP0334417A1 - Verstellbare Liege- oder Sitzeinrichtung - Google Patents

Verstellbare Liege- oder Sitzeinrichtung Download PDF

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Publication number
EP0334417A1
EP0334417A1 EP89200590A EP89200590A EP0334417A1 EP 0334417 A1 EP0334417 A1 EP 0334417A1 EP 89200590 A EP89200590 A EP 89200590A EP 89200590 A EP89200590 A EP 89200590A EP 0334417 A1 EP0334417 A1 EP 0334417A1
Authority
EP
European Patent Office
Prior art keywords
foot
head
lever
spring
adjustment device
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Withdrawn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
EP89200590A
Other languages
English (en)
French (fr)
Inventor
Peter Victor Has
Nicolaas Cornelis Van Beek
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.)
Auping BV
Original Assignee
Auping BV
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 Auping BV filed Critical Auping BV
Publication of EP0334417A1 publication Critical patent/EP0334417A1/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Withdrawn legal-status Critical Current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
    • 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
    • A47C20/048—Head -, foot -, or like rests for beds, sofas or the like with adjustable inclination by fluid means

Definitions

  • the present invention relates to a reclining or sitting unit with a head and foot which are adjustable relative to a fixed frame, and each of which has its own adjustment device.
  • a reclining or sitting unit for example an adjustable bed
  • an adjustment device in the form of a lockable spring mechanism.
  • the head in this case can be moved downwards easily under the influence of the weight of the person lying on the bed and by the force exerted with his back against the spring force.
  • the spring mechanism can provide sufficient energy to move the head up again after the locking device is released.
  • Another known adjustable bed is one in which head and foot are operated by an electric motor. In the case of such a bed both the head and the foot are adjusted by the person lying on the bed.
  • the disadvantage of such an adjustable bed is that the adjustment device is expensive and complex.
  • the object of the invention is therefore to produce a reclining or sitting unit of the type mentioned in the preamble, in which both the head and the foot are easily operable by the person lying on the bed, without an electric drive being necessary for the purpose.
  • the reclining or sitting unit has an energy buffer which is coupled to the head and the foot in such a way that when the head is being adjusted by the adjustment device of the head energy is fed to the energy buffer, and when the foot is being moved upwards adjustment energy is fed from the energy buffer to the adjustment device of the foot.
  • the adjustment device for the foot itself can therefore have a fairly weak spring mechanism, so that when the head is flat, i.e. the buffer is unloaded, and after unlocking the foot can easily be moved downwards by the weight of the part of the body lying on the foot, or by the slight re-adjust­ing force which can be exerted on the foot with the legs.
  • the reclining or sitting unit according to the invention can be designed in various ways.
  • both the adjustment device for the head and that for the foot are provided with a lockable gas spring
  • the design can be such that the adjustment device of the foot is also provided with a lockable spring which engages with the second end of a lever which is mounted in the frame and the first end of which engages with the foot, while the second end of the lever for the head is connected by means of a tension spring to the first end of the lever for the foot, and the tension spring runs in such a way that it intersects the plane through the hinge pins of the levers at a point lying between said hinge pins.
  • the design can be such that the adjust­ment device of the foot is also provided with a lockable spring which engages with a lever which is hingedly mounted in the frame and one end of which engages with the foot, and the lever for the foot has a gear sector which is disposed concentrically relative to its hinge point and mates with a gear sector on a third lever which is also hingedly connected to the frame, and whose free end lies at the same side of the plane through the hinge pins of said lever and the lever for the head as the second end of the lever for the head, said ends being connected by a tension spring.
  • An advantage of these embodiments is that the output of a resilient element is higher than that of a pneumatic element such as a gas spring. This means that the proportion of the energy supplied to the buffer designed as a spring and the energy obtained therefrom is higher than it is in the case of a buffer designed as a pneumatic element.
  • This device works in such a way that when the head moves upwards through the expansion of the spring, energy is also fed from said spring to the tension spring, so that the latter is tensioned. The foot can then be adjusted upwards, energy being supplied from the tension spring to the adjustment device for the foot.
  • Such an adjustment sequence i.e. first adjusting the head and only then the foot, is generally found to be convenient and logical.
  • the tension spring to be connected by means of a free stroke mechanism to the second end of the lever for the head, in such a way that if the head is swung down, the free stroke mechanism always goes into one or other of its end positions when the foot is in its swung-down or swung-up end position.
  • the advantage of this design is that when the head has already been moved down the foot can be moved down with very little force, since the resilient element here is not tensioned due to the displacement of the free stroke mechanism from its one end position to its other end posi­tion, and only the relatively weak spring for the foot need be depressed.
  • the bed shown in Fig. 1 has a fixed frame 1, provided with a flip-up head 2 and a flip-up foot 3.
  • the head is provided with a lever 16 which rests via a roller 4 against the head 2, and which at the other side relative to its hinge suspension 5 mates with a lockable gas spring 6.
  • the foot 3 is also provided with a lever 7 which rests by means of a roller 8 on the foot 3, and which at its end situated at the other side of its hinge point 9 mates with a lockable gas spring 10.
  • lever 7 Concentrically relative to its hinge point 9, lever 7 is provided with a gear sector 11, which engages with a corresponding gear sector 12 of a lever 13.
  • a spring 14 is ten­ sioned between the end of lever 13 and the corresponding end of lever 16, a free stroke mechanism 15 being disposed between the end of spring 14 and lever 16.
  • Fig. 3 shows the position after gas spring 10 unlocks the foot. Under the influence of the spring force of gas spring 10 and the force exerted by spring 14 via the gear racks 11, 12, the foot 3 is moved upwards.
  • the spring 14 thus acts here as an energy accumulator. It is tensioned by the gas spring for the head, and is thereby able to help the gas spring for the foot in lifting the foot. When the head is pressed down again, the accumulator releases, with the result that the force for pressing down the foot is only slight now.
  • Figs. 5 and 6 show a second embodiment of the invention.
  • the gas chambers of the lockable gas springs 6 and 10 are interconnect­ed here by a gas line, made up of two hoses 17, 18, and a line 19.
  • a gas line made up of two hoses 17, 18, and a line 19.
  • Figs. 7 to 10 show a bed in which the positions correspond in each case to those of Figs. 1 to 4.
  • the tension spring 14 is connected to the free stroke mechanism between the second end of lever 16 and the first end of lever 7.
  • tension spring 14 is released, while in the position shown in Fig. 8 it is tensioned due to the fact that the head 2 has moved up.
  • the tension spring then makes a contribution to the upward movement of foot 3 (Fig. 9).
  • the head 2 has been moved down again.
  • the distance between the end of the spring 6 connected to the spring 14 and the connection point of the spring 14 to the lever 7 is shorter now than in the swung-down position of the two parts shown in Fig. 7.
  • the spring 14 is thus released and therefore allows the foot to be swung down.
  • the free stroke mechanism 15 can be an advantage here to move the foot easily downwards against the spring force of gas spring 10.
EP89200590A 1988-03-25 1989-03-08 Verstellbare Liege- oder Sitzeinrichtung Withdrawn EP0334417A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8800759A NL8800759A (nl) 1988-03-25 1988-03-25 Verstelbare lig- of zitinrichting.
NL8800759 1988-03-25

Publications (1)

Publication Number Publication Date
EP0334417A1 true EP0334417A1 (de) 1989-09-27

Family

ID=19852008

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89200590A Withdrawn EP0334417A1 (de) 1988-03-25 1989-03-08 Verstellbare Liege- oder Sitzeinrichtung

Country Status (4)

Country Link
EP (1) EP0334417A1 (de)
DK (1) DK144489A (de)
NL (1) NL8800759A (de)
PT (1) PT90086A (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2713459A1 (fr) * 1993-12-07 1995-06-16 Forez Ateliers Haut Dispositif pour le relevage d'un élément de mobilier.
AT401464B (de) * 1992-11-17 1996-09-25 Optimo Holz Und Drahtbearbeitu Bett
AU679232B2 (en) * 1993-08-04 1997-06-26 Chance Wayne Thorne Reclining lounge
FR2780256A1 (fr) * 1998-06-24 1999-12-31 Epeda Sa Sommier de lit reglable

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3916461A (en) * 1973-02-14 1975-11-04 Gerdikerstholt Geb Spath Article of furniture with a multi-section support surface
US4589151A (en) * 1983-07-08 1986-05-20 Behrens Robert S Slatted bed system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3916461A (en) * 1973-02-14 1975-11-04 Gerdikerstholt Geb Spath Article of furniture with a multi-section support surface
US4589151A (en) * 1983-07-08 1986-05-20 Behrens Robert S Slatted bed system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT401464B (de) * 1992-11-17 1996-09-25 Optimo Holz Und Drahtbearbeitu Bett
AU679232B2 (en) * 1993-08-04 1997-06-26 Chance Wayne Thorne Reclining lounge
FR2713459A1 (fr) * 1993-12-07 1995-06-16 Forez Ateliers Haut Dispositif pour le relevage d'un élément de mobilier.
FR2780256A1 (fr) * 1998-06-24 1999-12-31 Epeda Sa Sommier de lit reglable

Also Published As

Publication number Publication date
PT90086A (pt) 1989-11-10
NL8800759A (nl) 1989-10-16
DK144489D0 (da) 1989-03-22
DK144489A (da) 1989-09-26

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