EP0009003B1 - Armature articulée pour lit, siège de relaxation ou fauteuil - Google Patents

Armature articulée pour lit, siège de relaxation ou fauteuil Download PDF

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Publication number
EP0009003B1
EP0009003B1 EP79810080A EP79810080A EP0009003B1 EP 0009003 B1 EP0009003 B1 EP 0009003B1 EP 79810080 A EP79810080 A EP 79810080A EP 79810080 A EP79810080 A EP 79810080A EP 0009003 B1 EP0009003 B1 EP 0009003B1
Authority
EP
European Patent Office
Prior art keywords
rest
seat
cam
strap
backrest
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
Application number
EP79810080A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0009003A3 (en
EP0009003A2 (fr
Inventor
Maurice Bourda
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.)
Cessione gefintra General Finance And Trade Establ
Original Assignee
Gefintra Gen Finance & Trade Est
GEFINTRA General Finance and Trade Establishment
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
Priority claimed from CH914578A external-priority patent/CH623217A5/fr
Application filed by Gefintra Gen Finance & Trade Est, GEFINTRA General Finance and Trade Establishment filed Critical Gefintra Gen Finance & Trade Est
Priority to AT79810080T priority Critical patent/ATE1330T1/de
Publication of EP0009003A2 publication Critical patent/EP0009003A2/fr
Publication of EP0009003A3 publication Critical patent/EP0009003A3/fr
Application granted granted Critical
Publication of EP0009003B1 publication Critical patent/EP0009003B1/fr
Expired 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
    • A47C20/047—Head-, foot- or like rests for beds, sofas or the like with adjustable inclination by friction locking means
    • 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 present invention relates to an articulated frame for a bed, relaxation seat or armchair, comprising three parts mounted on a cradle, these parts respectively forming a backrest, a seat and a legrest, the seat and the backrest being connected by means at least one arcuate lever pivoting around a fixed articulation pivot integral with the cradle, and locking means for locking the backrest in position relative to the seat.
  • the articulated beds are more particularly intended for hotel establishments, hospitals or convalescence, which are called upon to receive a large number of individuals of different sizes.
  • the comfort of a user in such a bed depends not only on the length of this bed, but also on the way it is articulated.
  • mass produced articulated beds have a standard length of 1.90 m. Longer beds, intended for tall people, are produced in small series and therefore cost significantly more.
  • the locking means generally used in articulated assemblies often include a clamping member acting on the two parts at their articulation, parallel to the axis of this articulation.
  • the clamping member is actuated by a control and locking lever, which is ensured by the friction of the two parts against each other and which depends on the force exerted by the user.
  • Beds of this type are already known, in particular a bed produced using the articulated frame described in Swiss Patent No. 597,799. This frame is arranged in such a way that when the user brings the articulated part into position when raised, it increases the useful length of the reinforcement.
  • Friction members are also provided for locking the articulated parts in position relative to each other.
  • the bed described in the American patent comprises a rigid frame, and the mechanism allowing its extension does not apply without significant modifications to a bed with articulated frame, object of the present invention.
  • An object of the present invention is to provide a frame for an articulated bed which may have several useful lengths, and provided with locking means which are easy to use, requiring no significant tightening force and not being able to loosen untimely.
  • the articulated bed as defined above being characterized in that the locking means comprise at least one tensioned strap, fixed by its ends respectively to each end of the arched lever, the strap being returned to at least one roller, so as to form an open loop thereby accompanying the arcuate lever in its pivoting movement, a control means capable of being moved between a locking position and a rest position controlling at least one cam lock that can pivot around a fixed axis and disposed opposite a fixed plate, arranged in such a way that the strap passes between the cam and the plate, this strap being pinched and retained in position between the cam and the plate when the control means is in its first position, and being free when the control means is in its second position.
  • the locking means comprise at least one tensioned strap, fixed by its ends respectively to each end of the arched lever, the strap being returned to at least one roller, so as to form an open loop thereby accompanying the arcuate lever in its pivoting movement
  • a control means capable of being moved between a locking position and a rest position controlling at least one cam lock
  • the frame for an articulated bed comprises three parts, respectively a backrest 1, a seat 2 and a leg support 3. These three parts 1, 2 and 3 are mounted on a cradle 4 consisting of two sidewalls 5 connected by bars 6 forming spacers.
  • the backrest 1, the seat 2 and the leg support 3 are formed by two sides 7, 8 and 9 respectively connected by crosspieces 10. The latter are fixed at each of their ends in housings 11 of the sides 7, 8 and 9.
  • the backrest 1 is articulated on the cradle 4, a bore 12 of each of its sides 7 being traversed by a pivot 13 secured to each side 5 of the cradle 4.
  • the sides 8 of the seat 2 each have a slide 11 in which is engaged a bar 10.
  • the sides 7 of the backrest 1 each have a second bore 17 capable of cooperating with a pivot 13 of articulation.
  • the pivots 13 are mounted in these bores 17, the useful length of the frame between the seat 2 and the backrest 1 increases by a size equal to the spacing of the two bores 12, 17 of each flank 7.
  • Horizontal beams 18 and Î9 are fixed to the cradle 4 and extend respectively under the backrest 1 and under the leg support 3.
  • the beams 18 are made integral at their free ends with two feet 20 connected by a bar 21.
  • a headboard 22 is capable of being fixed in the extension of the feet 20.
  • the longitudinal members 18 constitute a stop for the backrest 1 when it is in a horizontal position, as illustrated in the drawing.
  • the longitudinal members 18 are constituted by two tubular profiles 23, 24, one engaged in the other.
  • the internal profile 23 has an elastic stud 25 capable of engaging in two holes 26 of the external profile 24.
  • the longitudinal members 19 are supported at their free ends by a pair of feet 27 connected by a bar 28.
  • the longitudinal members 19 each carry a pivot 29 capable of cooperating with one or the other of the two bores 30, 31, provided in the sides of the leg support 3.
  • a locking device with notches 32 makes it possible to adjust the inclination of the leg support 3 relative to the side members 19.
  • This device 32 cooperates with one or the other of the two pins 33 according to the bores 30 or 31, in which the pivots 29 are engaged.
  • the crosspieces 10 serve as a support for a fabric 34, the ends of which surround the crosspieces 10 disposed at the opposite ends of the backrest 1 and of the leg support 3. So as to be able to keep the same fabric 34 regardless of how the articulations of the backrest 1 and of the leg support 3 are mounted, the crosspieces 10 serving for fixing to the fabric 34 are each capable of being mounted in two housings 11 of each side 7 and 9 of the backrest 1 and of the support - legs 3.
  • the frame described above is intended to receive a mattress 35 shown in phantom by the drawing.
  • a bed comprising this frame is capable of occupying all the intermediate positions between the horizontal position, as illustrated by the drawing, and the so-called relaxation position, in which the backrest 1 is raised.
  • a self-locking locking device 36 controlled by a lever 37 fixed to the seat, makes it possible to block the bed in a position desired by a user.
  • the user of a bed fitted with this frame can modify its position by pressing the backrest 1 or on the seat 2 more strongly, after having released the locking device 36.
  • pressing the seat 2 more strongly it sinks and the backrest 1 straightens; conversely, by pressing on the backrest 1, it is lowered and the seat 2 is raised.
  • the articulated bed frame described above has the advantage of being able to have several lengths or even of being able to be modified in its length, without any of its constituent parts being replaced.
  • the backrest 1 has pivots capable of being mounted in two bores of each side 5 of the cradle.
  • the apparent length of the seat 2 is greater or less depending on the bores in which said pivots are mounted.
  • the leg support 3 could be capable of being articulated in several bores provided in the longitudinal members 19.
  • the frame shown in Figure 2 is intended more particularly to form a relaxation bed.
  • This bed comprises three parts, either a backrest A, a seat B and a leg support C, articulated on a cradle 51 forming a support and resting on the ground.
  • the cradle 51 is formed by two lateral flanks 52 connected by transverse bars 53 forming spacers.
  • the parts A, B and C each consist of two lateral flanks, respectively 54, 55 and 56, connected by crosspieces 57.
  • the latter serve to fix a canvas or several parallel straps, represented schematically by dashed lines 58.
  • the upper ends of the flanks 52 of the cradle 51 have pivots 59 and 60.
  • the pivots 59 are engaged in bores in the flanks 54 of the backrest A and the pivots 60 cooperate with slides on the flanks 55 of the seat B.
  • Each side 52 of the cradle 51 also has an articulation pivot 61 for an arcuate lever 62.
  • One end of each of these levers 62 is engaged on a stud 63 of a sidewall 55 of the seat B, while the other end of this lever carries a stud 64 engaged in a slide 65 of a sidewall 54 of the folder A.
  • the user of a bed with a frame of this kind can, depending on whether he presses more strongly on the backrest A or on the seat B, respectively lower or raise the backrest A, which corresponds to an increase or a depression of the seat B.
  • the arched levers 62 pivot relative to the sides 52 of the cradle 51. To block the bed frame in a given position, it suffices to angularly block these levers 62 relative to the cradle 51.
  • a locking device 66 is arranged on each side of the frame, fixed on the internal face of the sides 52 of the cradle 51.
  • Each locking device 66 comprises two cams constituted by eccentrics 67, 68, pivotally mounted between two parallel sheets 69, 70, these cams 67, 68 facing a support plate 71 integral with said sheets 69, 70.
  • a strap 72 fixed to the ends of the lever 62 on extensions of the studs 63 and 64, is guided by rollers 73 and 74, between the support plate 71 and the cams 67 and 68. This strap 72 is held taut by a spring 75 acting between the extension of the stud 63 and one end of the strap 72.
  • Each cam 67, 68 has two lever arms, a first lever arm 76, at the end of which acts a spring 77 and a second lever arm 78, capable of cooperating with release means 79.
  • the eccentric cams 67, 68 resiliently press the strap 72 against the support plate 71.
  • These two cams 67, 68 are arranged so as to block the strap 72 by self-tightening against the plate support 71, each in a direction of movement of the strap 72 relative to the support plate 71.
  • the strap 72 When, for example, the strap 72 moves from the left to the right in FIG. 3, it frictionally drives the cam 68. The latter pivots and, by its shape, increases the tightening of the strap 72 against the support plate 71 until it locks.
  • the unlocking means 79 comprise an eccentric 81 capable of cooperating with the ends 80 of the lever arms 78.
  • This eccentric 81. is pivotally mounted between the two sheets 69, 70, on an extension of the articulation axis 61 of the lever 62.
  • the eccentric 81 is angularly integral with two pulleys 82, 83.
  • On the first pulley 82 is wound a cable 84 subjected to the action of a return spring 85.
  • On the second pulley 83 visible in FIG . 3, is wound by one of its ends an actuating cable 86, the other end of which is made integral with a sector 87 pivotally mounted on a side 55 of the seat B, along an axis whose distance from the axis.
  • the sector 87 is angularly integral with an actuating handle 88 and has an abutment spout 89 bearing against a stud 90.
  • the sectors 87 each arranged on one side of the frame of the bed, are rendered angularly integral with one another, so as to be actuated simultaneously by a single actuating handle 88.
  • the eccentric 81 In the rest position, as illustrated in fig. 3, the eccentric 81 is spaced from the ends 80 of the levers 78. It is held in this position by the return spring 85 acting on the pulley 82 via the cable 84, the stopper beak 89 of the sectors 87 bearing. against the nipple 90.
  • the locking device can easily be operated by the user. Furthermore, untimely unlocking is impossible.
  • the seat B and the backrest A can pivot slightly in one direction or the other, which ensures a certain flexibility in the seat and the backrest, and thereby more comfort for the user.

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Nursing (AREA)
  • Special Chairs (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
  • Invalid Beds And Related Equipment (AREA)
  • Mattresses And Other Support Structures For Chairs And Beds (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
EP79810080A 1978-08-30 1979-08-28 Armature articulée pour lit, siège de relaxation ou fauteuil Expired EP0009003B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT79810080T ATE1330T1 (de) 1978-08-30 1979-08-28 Artikulierter rahmen fuer bett, liegestuhl oder lehnsessel.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CH914578A CH623217A5 (en) 1978-08-30 1978-08-30 Articulated frame for a relaxation seat or bed
CH9142/78 1978-08-30
CH9145/78 1978-08-30
CH914278A CH623218A5 (en) 1978-08-30 1978-08-30 Bed frame

Publications (3)

Publication Number Publication Date
EP0009003A2 EP0009003A2 (fr) 1980-03-19
EP0009003A3 EP0009003A3 (en) 1980-04-02
EP0009003B1 true EP0009003B1 (fr) 1982-07-14

Family

ID=25704340

Family Applications (1)

Application Number Title Priority Date Filing Date
EP79810080A Expired EP0009003B1 (fr) 1978-08-30 1979-08-28 Armature articulée pour lit, siège de relaxation ou fauteuil

Country Status (10)

Country Link
US (1) US4406027A (pt)
EP (1) EP0009003B1 (pt)
JP (1) JPS5666213A (pt)
AT (1) ATE1330T1 (pt)
AU (1) AU527149B2 (pt)
BR (1) BR7905799A (pt)
CA (1) CA1163757A (pt)
CH (1) CH623218A5 (pt)
DE (1) DE2963344D1 (pt)
ES (1) ES483724A1 (pt)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4800599A (en) * 1987-09-08 1989-01-31 Korchinski Vernard S Somatic support system
US5640730A (en) * 1995-05-11 1997-06-24 Maxwell Products, Inc. Adjustable articulated bed with tiltable head portion
US5570485A (en) * 1995-12-12 1996-11-05 Nk Medical Products, Inc. Bed assembly
US6347420B2 (en) 2000-04-12 2002-02-19 Franklin E. Elliott System for producing anthropometric, adjustable, articulated beds
CN1678273A (zh) 2001-03-27 2005-10-05 希尔-罗姆服务股份有限公司 医用床
DE602005026608D1 (de) * 2004-07-30 2011-04-14 Hill Rom Services Inc Fortgeschrittenes Gelenksystem und Matratzenauflage für ein Bett
US7124456B2 (en) * 2004-08-11 2006-10-24 Stryker Corporation Articulated support surface for a stretcher or gurney
US20060220350A1 (en) * 2005-03-31 2006-10-05 Reef Rick R Bariatric phase chair
US7637464B2 (en) * 2006-01-19 2009-12-29 Hill-Rom Services, Inc. Patient support with mobile IV stand transport handle
GB0918685D0 (en) * 2009-10-23 2009-12-09 Integrated Furniture Technolog Adjustable furniture
CN113797433A (zh) * 2021-10-30 2021-12-17 苏州江南航天机电工业有限公司 一种能够对核污染伤员进行洗消的模块
TWI803397B (zh) * 2022-07-21 2023-05-21 施權航 電動床

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR373691A (fr) * 1907-01-18 1907-05-24 Joseph Visger Hausse-tete pour lits
US2611907A (en) * 1949-02-23 1952-09-30 Leonard F Clerc Adjustable bed frame
US2786213A (en) * 1953-12-29 1957-03-26 Catherine B Creveling Convertible hassock and bed
US3309717A (en) * 1963-03-20 1967-03-21 American Seating Co Hospital bed
US3353193A (en) * 1966-01-26 1967-11-21 Greiner Otto Self-adjusting beds
ZA746085B (en) * 1974-05-11 1975-11-26 Lusch Kg Ferd Bed or settee with a multi-part mattress frame
CH597799A5 (en) * 1975-10-02 1978-04-14 Maurice Bourda Articulating sub-frame for reclining bed

Also Published As

Publication number Publication date
AU527149B2 (en) 1983-02-17
DE2963344D1 (en) 1982-09-02
BR7905799A (pt) 1980-05-20
CH623218A5 (en) 1981-05-29
JPS5666213A (en) 1981-06-04
EP0009003A3 (en) 1980-04-02
EP0009003A2 (fr) 1980-03-19
ES483724A1 (es) 1980-03-01
AU5029679A (en) 1980-03-06
CA1163757A (fr) 1984-03-20
US4406027A (en) 1983-09-27
ATE1330T1 (de) 1982-07-15

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