EP0214695A2 - Lit réglable - Google Patents

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Publication number
EP0214695A2
EP0214695A2 EP86201524A EP86201524A EP0214695A2 EP 0214695 A2 EP0214695 A2 EP 0214695A2 EP 86201524 A EP86201524 A EP 86201524A EP 86201524 A EP86201524 A EP 86201524A EP 0214695 A2 EP0214695 A2 EP 0214695A2
Authority
EP
European Patent Office
Prior art keywords
end part
lost
operating rod
foot end
head end
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Withdrawn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
EP86201524A
Other languages
German (de)
English (en)
Other versions
EP0214695A3 (fr
Inventor
Franciscus Gerhardus Savenije
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 EP0214695A2 publication Critical patent/EP0214695A2/fr
Publication of EP0214695A3 publication Critical patent/EP0214695A3/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Withdrawn legal-status Critical Current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
    • A47C20/04—Head -, foot -, or like rests for beds, sofas or the like with adjustable inclination
    • A47C20/041—Head -, foot -, or like rests for beds, sofas or the like with adjustable inclination by electric motors
    • 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

Definitions

  • the invention relates to an adjustable bed comprising an under-mattress consisting of a rigid frame, on which a head end part and a foot end part are pivotally fastened individually between the ends and over which a top mattress can be laid, while each end part is provided with a raising device adapted to be driven by a device with the aid of an operating rod for the purpose of adjusting the inclination of the end part.
  • adjustable beds of this kind are known.
  • Other beds are known in which only one drive device is used and in which the pivoting movements of the head end part and foot end part are permanently coupled together. These devices are of simpler construction and therefore less expensive, but lack some of the comfort of the previously mentioned adjustable beds.
  • the invention now seeks to provide an adjustable bed which, while retaining the constructional simplicity of the type last mentioned, combines the comfort and ease of operation of the bed first described above.
  • the bed described in the first paragraph above is according to the invention characterized in that only one drive device is provided for the two end parts, and that one raising device is connnected to the operating rod for direct movement and the other is connected to said rod for movement via a lost-motion mechanism, in such a manner that one end part can first be raised, while the other end part is raised by continuing the operation of the drive device.
  • the lost-motion mechanism to be disposed between the operating rod and the head end part, in such a manner that, starting from the horizontal, fully flat position, the foot end part is first pivoted up and that the head end part is raised only on completion of the lost-motion stroke.
  • the preferred embodiment is characterized in that the raising device for the foot end part is so constructed that as the operating rod continues its movement, the foot end part is first pivoted upwards with decreasing angular speed and that, after the head end part has started to move on completion of the lost-motion stroke, the raising of the foot end part will have practically ceased, while on further movement of the operating rod it is maintained approximately in its highest position.
  • the desired maximum inclination of the foot end appears to be slight and very constant irrespective of the desired inclination of the head end. It is therefore desirable during further raising of the head end part, to maintain the foot end part practically in the same maximum, but only little inclined position.
  • under-mattress 1 designates generally the so-called under-mattress, which can be laid directly on the floor with the aid of legs (not shown). However, the under-mattress 1 is frequently placed in a bed frame (likewise not shown), which is placed on the floor. The under-mattress 1 forms the carrier of a top mattress (not shown).
  • the under-mattress 1 often consists of a rigid frame 2, on which, in its middle region, a foot end part 3 and a head end part 4 are pivotally connected at 5. In the drawings the pivot connection is shown only schematically, because known constructions can be used for this purpose. As usual, the foot end part 3 is longer than the head end part 4. 6 designates generally the raising mechanism for the foot end part 3.
  • a bent lever having arms 8 and 9 and pivotally connected at 10 to the rigid frame 2.
  • a supporting roller 11 is rotatably mounted, being adapted to move over a track formed by the lower edge of the foot end part 3.
  • the free end of the other arm 9 carries a pivot pin 12, to which an operating rod 13 is pivotally connected.
  • the operating rod 13 extends from the foot end of the rigid frame 2 in the direction of the head end, where it is pivotally connected by a pivot pin 14 to a threaded spindle 15 of a drive motor 16.
  • the motor 16 is in turn pivotally fastened by means of a pin 17 to a bracket 18, which itself is fastened to the head end of the rigid frame 2.
  • the casing of the motor 16 is stationary and the inner part rotates and thus drives a nut adapted to move the spindle 15 in and out.
  • the head end part 4 is tilted up by the raising mechanism 7, which is of similar construction and consists of a bent lever having arms 19 and 20.
  • This lever is pivotally fastened at 21 to the rigid frame 2.
  • the free end of the arm 19 carries a rotatable roller 22, on which the underside of the head end part rests, thus forming a track for the roller 22.
  • the free end of the other arm 20 of the lever carries the pivot pin 23, which is inserted into a slot 24 in the operating rod 13.
  • Figures la, b, c The action of the device according to the invention is illustrated in Figures la, b, c.
  • Figure la the two end parts are shown in the completely flat position on the rigid frame 2.
  • the two lever arms 9 and 20 lie in a position in which they are pivoted as far as possible to the left in the figures. Because of the bend in the two levers 6 and 7, the rollers 11 and 22 respectively, together with the corresponding arms 8 and 9, are completely folded away into the rigid frame 2.
  • the operating rod 13 is in its farthest left position, with the threaded spindle 15 screwed as far as possible out of the drive device 16.
  • the slot 24 is situated substantially on the left-hand side of the pin 23 at the free end of the arm 20 of the raising device 7 for the head end.
  • Figure lb shows a position in which the motor 16 has retracted the threaded spindle 15 over a distance of less than half the stroke, whereby the short lever arm 8 near the foot end has been turned so far in the upward direction that the supporting roller 11 has not only pivoted the foot end part 3 upwards through a relatively small angle x, but at the same time has almost reached its maximum raised position.
  • the slot 24 has been moved so far to the right that the pin 23 of the raising device 7 for the head end has come close to the end of the slot.
  • the raising device 7 will also be operated because the pin 23 will bear against the end of the slot 24. This is illustrated in Figure lc.
  • the pivoting angle f of the head end part 4 can be considerably greater than that of the foot end part 3.
  • the bottom arms 9 and 20 are approximately equal in length. In this position of maximum inclination the threaded spindle 15 is screwed completely into the drive device 16. At the same time the operating rod 13 has increasingly approached the extended position in relation to the bottom lever arm 9 at the foot end. The roller 11 under the foot end part 3 has passed meanwhile its highest position, but the maximum attainable lifting angle d of the foot end part 3 has not been altered considerably thereby.
  • Figure Id shows a much used construction of an adjustable bed in which the foot end part 3 contains a knee-bending pivot joint 31.
  • the raising device 30 for this arrangement is similar in construction to the raising device 6 shown in Figures la, b and c.
  • a bent lever is pivotally fastened at 34 to the rigid frame 2.
  • the top arm 32 is provided with a roller 35, which operates the knee-bending joint 31.
  • the bottom lever arm 33 carries at its end a pin 36, which is received in a slot 37 in the operating rod 13. As can be seen in Figure ld, the position of the pin 36 in relation to the rod 13 provided with the slot 37 coincides with that of the pin 23 and the slot 24 at the head end.
  • the illustrated drive and operating means can also be made hand-driven instead of motor-driven.
  • Fig. 3a, b shows a curved track on the underside of the foot end part 3 for the support roller 11.
  • This track comprises two downwardly extending, rounded projections or cams 3 1 or 3 2 .
  • the roller 11 is situated on the top of the cam 3 1 at the moment when the lost-motion stroke of the slot 24 has ended, that is to say in the position in which on the continuation of the operation of the motor 16 the head end part 4 also starts to be raised.
  • the foot end part 3 will retain exactly the same inclination when the angle / 3 of the head end part 4 is reached. If the path 3 1 - 3 2 is made interchangeable, any desired lift-time characteristics can be obtained in a simple manner.

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Nursing (AREA)
  • Invalid Beds And Related Equipment (AREA)
EP86201524A 1985-09-06 1986-09-04 Lit réglable Withdrawn EP0214695A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8502456A NL8502456A (nl) 1985-09-06 1985-09-06 Verstelbaar bed.
NL8502456 1985-09-06

Publications (2)

Publication Number Publication Date
EP0214695A2 true EP0214695A2 (fr) 1987-03-18
EP0214695A3 EP0214695A3 (fr) 1988-03-23

Family

ID=19846521

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86201524A Withdrawn EP0214695A3 (fr) 1985-09-06 1986-09-04 Lit réglable

Country Status (2)

Country Link
EP (1) EP0214695A3 (fr)
NL (1) NL8502456A (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8802369A (nl) * 1988-09-27 1988-12-01 Auping Bv Variabele hefboom.
EP0518446A1 (fr) * 1991-06-14 1992-12-16 Koninklijke Auping B.V. Dispositif de réglage pour un lit ou une chaise
US5245718A (en) * 1992-10-09 1993-09-21 Joerns Healthcare, Inc. Adjustable bed with single actuator
FR2725887A1 (fr) * 1994-10-25 1996-04-26 Neige Jean Francois Dispositif de relevage de matelas
FR2770997A1 (fr) * 1997-11-14 1999-05-21 Sunrise Medical Sa Lit, notamment lit d'hospitalisation, comportant un dispositif motorise de relevage des membres inferieurs du patient
WO1999060893A3 (fr) * 1998-05-29 2000-03-02 Hill Rom Co Inc Cadre de lit
EP1416832B2 (fr) † 2001-08-08 2010-08-18 Linak A/S Entrainement de meuble destine a deplacer des elements d'un meuble les uns par rapport aux autres

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB272492A (en) * 1926-06-11 1927-12-15 Otto Holtkamp An improved bedstead with adjustable back-rest and leg-support
GB1579936A (en) * 1977-09-22 1980-11-26 Avion Eng Pty Ltd Bed having mattress support platform capable or multiple inclinations

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB272492A (en) * 1926-06-11 1927-12-15 Otto Holtkamp An improved bedstead with adjustable back-rest and leg-support
GB1579936A (en) * 1977-09-22 1980-11-26 Avion Eng Pty Ltd Bed having mattress support platform capable or multiple inclinations

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8802369A (nl) * 1988-09-27 1988-12-01 Auping Bv Variabele hefboom.
EP0518446A1 (fr) * 1991-06-14 1992-12-16 Koninklijke Auping B.V. Dispositif de réglage pour un lit ou une chaise
US5404604A (en) * 1991-06-14 1995-04-11 Koninklijke Auping B.V. Adjusting device for a bed or chair
US5245718A (en) * 1992-10-09 1993-09-21 Joerns Healthcare, Inc. Adjustable bed with single actuator
USRE35201E (en) * 1992-10-09 1996-04-09 Krauska; Bernard J. Adjustable bed with single actuator
WO1996012427A1 (fr) * 1994-10-25 1996-05-02 Neige Jean Francois Dispositif d'inclinaison de tete et/ou de pied de lit
FR2725887A1 (fr) * 1994-10-25 1996-04-26 Neige Jean Francois Dispositif de relevage de matelas
US5829077A (en) * 1994-10-25 1998-11-03 Neige; Jean-Francois Device for tilting the top end and/or bottom end of a bed
FR2770997A1 (fr) * 1997-11-14 1999-05-21 Sunrise Medical Sa Lit, notamment lit d'hospitalisation, comportant un dispositif motorise de relevage des membres inferieurs du patient
WO1999060893A3 (fr) * 1998-05-29 2000-03-02 Hill Rom Co Inc Cadre de lit
US6351861B1 (en) 1998-05-29 2002-03-05 Hill-Rom Services, Inc. Bed frame
US6938301B2 (en) 1998-05-29 2005-09-06 Hill-Rom Services, Inc. Bed frame
EP1416832B2 (fr) † 2001-08-08 2010-08-18 Linak A/S Entrainement de meuble destine a deplacer des elements d'un meuble les uns par rapport aux autres

Also Published As

Publication number Publication date
EP0214695A3 (fr) 1988-03-23
NL8502456A (nl) 1987-04-01

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Inventor name: SAVENIJE, FRANCISCUS GERHARDUS