EP0491667A1 - Gelenkte Struktur mit Motorantrieb für Bettrahmen - Google Patents

Gelenkte Struktur mit Motorantrieb für Bettrahmen Download PDF

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Publication number
EP0491667A1
EP0491667A1 EP91830552A EP91830552A EP0491667A1 EP 0491667 A1 EP0491667 A1 EP 0491667A1 EP 91830552 A EP91830552 A EP 91830552A EP 91830552 A EP91830552 A EP 91830552A EP 0491667 A1 EP0491667 A1 EP 0491667A1
Authority
EP
European Patent Office
Prior art keywords
motorised
bedspring
frame
mobile
fixed frame
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Withdrawn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
EP91830552A
Other languages
English (en)
French (fr)
Inventor
Sergio Cipelli
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.)
Mdf Sas Di Cipelli Sergio & C
Original Assignee
Mdf Sas Di Cipelli Sergio & C
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 Mdf Sas Di Cipelli Sergio & C filed Critical Mdf Sas Di Cipelli Sergio & C
Publication of EP0491667A1 publication Critical patent/EP0491667A1/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Withdrawn legal-status Critical Current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
    • A47C20/08—Head -, foot -, or like rests for beds, sofas or the like with means for adjusting two or more rests simultaneously
    • 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

Definitions

  • the invention relates to a motorised and articulated structure for bedspring frames.
  • Bedspring frames for articulated and motorised beds are mostly used in hospitals, in public and private clinics and also in homes for bed rest for senior citizens and prevalently for people who are not independent, or for patients with cardiopathic conditions or circulation difficulties.
  • Prior art motorised and articulated bedspring frame structures comprise a support frame for the bedsprings and means for bending the springs along predisposed articulations, or for regulating the height of the bed.
  • the motorisations with which the prior art beds are equipped can perform regulations of height and inclination, with the head or feet end lowered, while the various bed accessories such as the shelf or tray remain horizontal, independently of the position of the bedspring frame.
  • a motorised organ for the regulation of the backrest as well as another motorised organ for the separate regulation of the knee-level articulation of the bedspring frame, but in some realisations a single activating organ is employed, by means of which a coupled regulation of the backrest and knee articulation is possible, with the knee articulation optionally uncouplable.
  • a further raising organ is present for the height regulation of the bedspring frame.
  • a further drawback is the fact that such bedspring frames need heavy motorisation capable of generating elevated levels of power, which is also energetically expensive.
  • the aim of the present invention is to eliminate the above-described drawbacks and in particular to provide a motorised and articulated bedspring frame structure which is constructionally simple and inexpensive, equipped with a single motorised organ capable of moving the bedspring frame with low energy costs and using low levels of power.
  • the motorised and articulated bedspring frame structure object of the present invention comprising: a fixed support frame for a mobile bedspring frame; motorised organs to move the mobile bedspring frame, inclining it or raising it with respect to the fixed support frame, wherein the said motorised organs act on an area which is substantially near the centre of gravity of the mobile bedspring frame when a person is lying on it.
  • 1 denotes a fixed support frame for a mobile bedspring frame 6, which has a three-part articulation 6a, 6b, 6c.
  • a bedspring net 3 of any known type is fixed to the mobile frame 6.
  • a substantially "C"-shaped crossbar 5 is bolted to the ends of part 6a of the mobile frame 6, which part 6a corresponds to the head and back area of a person lying on the bed of which the mobile frame 6 is part.
  • Parts 6b and 6c which substantially correspond to the knee articulation, are equipped with a joint 10 which permits of reciprocal mobility between the said parts 6b and 6c.
  • a motorised organ is applied to the crossbar 2 by fixing elements 7, which motorised organ comprises a hydraulic jack 4 whose stem 11 acts on the crossbar 5 as a result of which the crossbar 5 acts as a raising and rotation lever on part 6a with respect to the fixed frame 1.
  • Part 6a is laterally equipped with two opposed pivots 8 which are inserted in corresponding pivot-holders 9 fixed on the two opposite long sides of the fixed frame 1.
  • Said pivots 8 permit the rotating movement of part 6a with respect to the fixed frame 1.
  • Part 6a is kinematically connected to part 6b by means of a small plate 15.
  • Part 6b is laterally equipped with two opposed pivots 16 which slide internally to slots 17 bored into the two opposed long sides of the fixed frame 1.
  • the bedspring structure of the present invention supports a common bed mattress and is generally used for senior citizens or people affected by particular health conditions.
  • the bedspring net 3 With the stem 11 of the hydraulic jack 4 retracted, the bedspring net 3 is arranged on a substantially horizontal plane, as illustrated in figure 1, and is very similar to any bedspring net of the non-articulated kind.
  • the extending of the jack 4 stem 11 causes the inclination of part 6a of the mobile bedspring frame 1, which rotates about the axis passing through the two pivots 8.
  • Part 6c is in fact connected to the fixed frame by means of two connecting rods 12.
  • Each connecting rod 12, together with part 6b of the mobile frame constitute the opposite oblique sides of a parallelogram structure, in which the two long opposite sides are constituted by part 6c and a section of the fixed frame 1.
  • the articulated rod 12 is pivoted at the point denoted by 13 to the fixed frame 1, and at the point denoted by 14 to part 6c of the mobile frame 6.
  • both the movement of part 6a relative to the head and back of the person lying on the bed and the movement of parts 6a and 6b corresponding to the articulation of the knee are obtained, since the said parts 6a, 6b and 6c are kinematically connected among themselves with only one degree of freedom.
  • the installation of the motorisation organ constituted by the jack 4 is particularly simple, as is that of the mobile frame 6, and this is made possible by the fact that the said jack 4 acts on points on the mobile frame and on the person lying on the bed which are substantially close to the centre of gravity, in such a way that movement of the said mobile frame 6 is permitted with the use of less power with respect to that used by the motorisation organs applied to prior art bedspring frames.
  • the regulation of the structure is very simple since it is suffficient to vary the length of the stem 11 of the jack 4 or act on the pivots 8 and 15 and on the articulated rods 12.
EP91830552A 1990-12-17 1991-12-11 Gelenkte Struktur mit Motorantrieb für Bettrahmen Withdrawn EP0491667A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT3202790U 1990-12-17
IT3202790U IT222274Z2 (it) 1990-12-17 1990-12-17 Struttura per rete da letto snodata e motorizzata.

Publications (1)

Publication Number Publication Date
EP0491667A1 true EP0491667A1 (de) 1992-06-24

Family

ID=11234827

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91830552A Withdrawn EP0491667A1 (de) 1990-12-17 1991-12-11 Gelenkte Struktur mit Motorantrieb für Bettrahmen

Country Status (2)

Country Link
EP (1) EP0491667A1 (de)
IT (1) IT222274Z2 (de)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1270426A (fr) * 1960-10-18 1961-08-25 Slumberland Group Ltd Matelas formé de parties articulées entre elles
FR1295987A (fr) * 1961-04-29 1962-06-15 Lit, notamment de relaxation, à sommier articulé
EP0315588A1 (de) * 1987-11-04 1989-05-10 Josef Schätti Gelenkbeschlag, insbesondere für Liegen mit mehrteiliger Liegefläche

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1270426A (fr) * 1960-10-18 1961-08-25 Slumberland Group Ltd Matelas formé de parties articulées entre elles
FR1295987A (fr) * 1961-04-29 1962-06-15 Lit, notamment de relaxation, à sommier articulé
EP0315588A1 (de) * 1987-11-04 1989-05-10 Josef Schätti Gelenkbeschlag, insbesondere für Liegen mit mehrteiliger Liegefläche

Also Published As

Publication number Publication date
IT9032027V0 (it) 1990-12-17
IT9032027U1 (it) 1992-06-18
IT222274Z2 (it) 1995-02-06

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