DK164438B

DK164438B - MOBILE BED SUPPORT FOR BED

Info

Publication number: DK164438B
Application number: DK59889A
Authority: DK
Inventors: Martin Leppaekorpi; Hans Larsson
Original assignee: Nielsen Holding A S N C
Priority date: 1988-02-19
Filing date: 1989-02-09
Publication date: 1992-06-29
Also published as: DE3904295A1; DK164438C; FI890714A; GB2215996B; FI85641B; NO890685D0; DE8901646U1; DK59889A; GB2215996A; SE8800577L; SE8800577D0; NL8900371A; DK59889D0; GB8903078D0; FI890714A0; NO890685L; SE460253B; FI85641C

Description

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Opfindelsens område og tidligere kendt teknik.Field of the Invention and Prior Art.

Den foreliggende opfindelse vedrører en indretning til løftning og understøtning i valgfri løftet stilling af en person, der ligger på ryg-5 gen i en seng, i henhold til indledningen til krav 1.The present invention relates to a device for lifting and supporting in the optional lifted position of a person lying on his back in a bed, according to the preamble of claim 1.

Sådanne indretninger anvendes først og fremmest inden for syge- og ældreplejen til at løfte rygdelen hos sengeliggende patienter, der skal spise, se TV, læse og lignende. Fra et økonomisk synspunkt er det mere fordelagtigt at anvende disse mobile indretninger til dette formål end 10 at forsyne hver seng med en indretning, som bevirker det samme.Such devices are first and foremost used in nursing and elderly care to lift the back portion of bedridden patients who need to eat, watch TV, read and the like. From an economic point of view, it is more advantageous to use these mobile devices for this purpose than to provide each bed with a device which causes the same.

Indretninger af denne slags, men uden kraftorganer, findes beskrevet blandt andet i US patentskrift 2 666 216 og US patentskrift 603 756.Devices of this kind, but without power means, are disclosed, inter alia, in U.S. Patent No. 2,666,216 and U.S. Patent No. 603,756.

I US patentskrift 3 931 653 og US patentskrift 4 458 370 er der dog beskrevet indretninger med kraftorganer. Imidlertid udviser indretning-15 erne visse betydelige mangler. Ved begge disse indretninger er kraftorganet anbragt inden i selve sengerammen eller rettere sagt inden i rygstøtteindretningens første ramme, hvilket medfører, at indretningen bliver unødvendigt høj og følgelig optager stor plads og er svær at anbringe på en seng uden tydeligt at påvirke formen på og bekvemmeligheden 20 ved den senere derpå lagte madras.However, U.S. Patent 3,931,653 and U.S. 4,458,370 disclose devices with power means. However, the devices exhibit some significant deficiencies. In both of these devices, the power means is positioned within the bed frame itself, or rather within the first frame of the backrest device, which causes the device to become unnecessarily high and consequently occupies large space and is difficult to place on a bed without clearly affecting the shape and comfort of the bed. by the later mattress.

En anden ulempe ved indretningen ifølge US patentskrift 4 458 370 består i den kendsgerning, at kraftorganet ved nedsænkning af den anden ramme, som danner rygstøtte, ikke tillader en manuel tilbagesvingning af denne ramme, hvis en finger, tøj eller lignende fanges og klemmes mellem 25 i indretningen indgående dele, som for eksempel de to radier. Det ville være ønskeligt, at den anden ramme i hver stilling kunne svinges op manuelt med kun tyngdepunktet i den anden ramme og den derpå hvilende person som modstand ved en sådan opadsvingning, så at kun disse kræfter til enhver tid kan bevirke en utilsigtet klemning af en genstand. Den fore-30 liggende opfindelse ønsker således at frembringe en rygstøtteindretning af den ovenfor angivne slags, men som dog skal have kraftorganet anbragt ved siden af de to rammer og dermed ved siden af sengen, som den er anbragt på, og så den undgår andre klemmekræfter end de, der hidrører fra en mod rygstøtten hvilende persons og rygstøttens vægt.Another disadvantage of the device according to US Patent 4,458,370 is the fact that, by immersing the second frame forming the backrest, the force member does not allow a manual swinging of this frame if a finger, clothing or the like is caught and squeezed between 25 parts included in the device, such as the two radii. It would be desirable that the second frame in each position could be pivoted up manually with only the center of gravity of the other frame and the person resting thereon as resistance to such an upward swing so that only these forces can at any time cause an unintentional squeezing of a object. The present invention thus seeks to provide a back support device of the kind set forth above, but which, however, must have the force member positioned adjacent the two frames and thus adjacent the bed on which it is mounted, so as to avoid other clamping forces than those derived from the weight of a person resting against the backrest and the backrest.

35 En indretning med kraftorganet placeret ved siden af de to rammer skulle kunne anbringes på en hvilken som helst seng, der står midt i et rum, men en stor del af de pågældende senge (det drejer sig her for en stor dels vedkommende om senge i plejelokaler) er opstillet med en af 235 A device with the power means located next to the two frames should be able to be placed on any bed in the middle of a room, but a large part of the beds in question (this is largely a case of beds in care rooms) is set up with one of 2

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langsiderne mod en væg. Hvis kraftorganet for eksempel var anbragt på venstre side af sengen, ville rygstøtteindretningen kun kunne anbringes på senge, hvis højre side tangerede en væg, medens der ville kræves et modsat placeret kraftorgan til senge anbragt med modsat langside place-5 ret mod en væg, hvis ikke sengen flyttes ud fra væggen for at give plads til kraftorganet. Det sidste er dog omstændeligt og ubekvemt.the long sides against a wall. For example, if the power means were positioned on the left side of the bed, the backrest device could only be placed on beds if the right side tangled a wall, whereas an oppositely positioned power means would be required for beds arranged with opposite longitudinal position against a wall if the bed is not moved out of the wall to make room for the power organ. The latter, however, is cumbersome and inconvenient.

Kort beskrivelse af opfindelsen.Brief Description of the Invention

10 Formålet med opfindelsen er at frembringe en indretning af ovennævnte slags, som ikke opviser de ovenfor nævnte mangler, idet indretningen har kraftorganer placeret uden for de to rammer samt undgår andre klemmekræfter end de fra personens og den anden rammes vægt hidrørende, og som muliggør anbringelse af indretningen på senge med en hvilken som 15 helst langside mod en væg, uden at kraftorganer af den grund skal afmonteres fra indretningen og anbringes på et nyt sted på denne.The object of the invention is to provide a device of the aforementioned kind which does not exhibit the aforementioned shortcomings, the device having power means located outside the two frames and avoiding clamping forces other than those resulting from the weight of the person and the other frame, and which allow for placement of the device on beds having any longitudinal side to a wall, without the need for power means to be removed from the device and placed in a new location thereon.

Dette formål opnås ifølge opfindelsen ved, at en indretning af den ovenfor nævnte slags forsynes med de kendetegn, som angives i krav 1.This object is achieved according to the invention by providing a device of the kind mentioned above with the features as defined in claim 1.

Ved anbringelse af kraftorganets første langstrakte organ forskyde-20 ligt i det andet langstrakte organ undgås andre klemmekræfter end de, der hidrører fra en hvilende persons vægt mod det rygstøttende parti. Endvidere medfører udformningen af leddet mellem kraftorganet og den anden ramme, at der efter frigørelse af den første rammes fikseringsorgan kan foretages en sådan svingning mellem den første og anden ramme, at 25 indretningen efter en i en ny stilling fremkommet oprettelse af den stive forbindelse kan anbringes på en seng med kraftorganet ved modsat langside i forhold til tidligere. Indretningen har i den nye stilling nøjagtig samme funktion som tidligere. At lade den anden ramme hvile på en støttedel, som påvirkes af et kraftorgan, og derved undgå klemmerisi-30 ko, hvilket er kendt fra andre indretninger, ville ikke muliggøre en bibeholdelse af dens funktion ved en eventuel omsvingning af indretningen. Opfindelsen er blandt andet baseret på den viden, at denne reducering af klemmekræfter skulle kunne opnås ved modificering af selve kraftorganet, og deraf følger muligheden for at svinge de to rammer 180° i forhold til 35 hinanden og vende rygstøtteindretningen og alligevel bibeholde kraftorganets funktion, som ikke er forbundet med klemmekræfter.By placing the first elongate member of the force member displaceable in the second elongate member, clamping forces other than those arising from the weight of a resting person against the back-supporting portion are avoided. Furthermore, the design of the link between the force member and the second frame means that after the release of the first frame's fixing means, a pivot can be made between the first and second frame that the device can be placed after a rigid connection after a new position has been established. on a bed with the force member at opposite long side compared to earlier. The device in the new position has exactly the same function as before. Allowing the second frame to rest on a support member which is actuated by a force member, thereby avoiding clamping risk, as is known from other devices, would not allow a retention of its function in the event of a possible rotation of the device. The invention is based, inter alia, on the knowledge that this reduction of clamping forces could be achieved by modifying the power element itself, and consequently the possibility of pivoting the two frames 180 ° relative to each other and reversing the back support device, while still maintaining the function of the power means, which not associated with squeezing forces.

Andre fordele og fordelagtige kendetegn ved opfindelsen vil fremgå af den efterfølgende beskrivelse af en fordelagtig udførelsesform og de 3Other advantages and advantageous features of the invention will become apparent from the following description of an advantageous embodiment and the invention.

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efterfølgende patentkrav.subsequent claims.

Kort beskrivelse af tegningerne.Brief description of the drawings.

5 Nedenfor beskrives som eksempel en fordelagtig udførelsesform af opfindelsen med henvisning til de medfølgende tegninger, på hvilkeAn exemplary embodiment of the invention will now be described by way of example with reference to the accompanying drawings, in which

Fig. 1 viser et perspektivbillede af en rygstøtteindretning ifølge en foretrukken udførelsesform af opfindelsen i en stilling, så den støt-10 ter en persons ryg, men ikke er anbragt på en seng,FIG. 1 is a perspective view of a back support device according to a preferred embodiment of the invention in a position so that it supports a person's back but is not placed on a bed;

Fig. 2 viser et perspektivbillede af indretningen ifølge fig. 1 anbragt på en seng,FIG. 2 is a perspective view of the device of FIG. 1 placed on a bed,

Fig. 3 viser et perspektivbillede af indretningen ifølge fig. 2, men i en anden stilling i og til fjernelse af indretningen fra sengen, 15 ogFIG. 3 is a perspective view of the device of FIG. 2, but in a different position in and for removing the device from the bed, 15 and

Fig. 4 viser et perspektivbillede af indretningen ifølge de øvrige figurer i en stilling, som følger efter fjernelse fra en seng fra stillingen i fig. 3.FIG. 4 shows a perspective view of the device according to the other figures in a position which follows removal from a bed from the position of FIG. Third

20 Detaljeret beskrivelse af en foretrukken udføre!sesform for opfindelsen.Detailed description of a preferred embodiment of the invention.

Den i fig. 1 viste rygstøtteindretning har en første ramme 1, som består af dels to i det væsentlige parallelt forløbende bjælkedele 2, dels en disse forbindende tværbjælkedel 3, og er fremstillet i et stykke 25 ved tilbukning af en langstrakt, hul bjælke. I det følgende henvises også til fig. 2. Ved den første rammes parallelle bjælkedele 2 er der anbragt fikseringsorganer i form af spænderemme 4 for at muliggøre fiksering af indretningen ved at spænde spænderemmene 4 rundt om et sengestativs langsidebjælker, som vist i fig. 2.The FIG. 1, a back frame 1 has a first frame 1 consisting of two substantially parallel beam members 2 and one of these connecting cross member 3, and is made in a piece 25 by folding an elongated hollow beam. Referring also to FIG. 2. At the parallel beam portions 2 of the first frame, fixing means in the form of clamping straps 4 are arranged to enable fixation of the device by clamping the straps 4 around the longitudinal beams of a bed frame, as shown in FIG. 2nd

30 Ved de frie ender af de parallelle bjælkedele 2 er den første ramme 1 svingbart forbundet med en ligeledes af parallelle bjælkedele 6 og en tværbjælke 7 bestående anden ramme 8 omkring en første svingakse, som i den på en seng anbragte tilstand ifølge fig. 2 er i det væsentlige parallel med sengeendestykket 5 og vandret. Den anden ramme 8 er via 35 svingtappe 9 på de frie ender af bjælkerne 6 svingbart forbundet med den første ramme 1 udvendigt omkring denne. Bjælkedelene 6 har således en noget større indbyrdes afstand end bjælkedelene 2. Mellem den anden rammes bjælkedele er der udspændt et rygstøttedannende parti 10 i form af 430 At the free ends of the parallel beam members 2, the first frame 1 is pivotally connected to a parallel beam member 6 as well as a cross beam 7 comprising a second frame 8 about a first pivot axis, which in the state of a bed according to FIG. 2 is substantially parallel to the bed end piece 5 and horizontal. The second frame 8 is pivotally connected with the first frame 1 externally around it via 35 pivot pins 9 on the free ends of the beams 6. Thus, the beam portions 6 have a somewhat larger spacing than the beam portions 2. Between the beam parts of the second frame, a back support-forming part 10 is formed in the form of 4

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et stof. 1 praksis vil det rygstøttende parti 10 også støtte den på rygstøtteindretningen hvilende persons hoved. Længden på rammerne 1, 8 er således afpasset, at placeringen af den første svingakse 9 ved stillingen ifølge fig. 2 i det væsentlige svarer til placeringen af hofte-5 leddet på en person, der ligger på ryggen i sengen. Naturligvis er en madras i praksis anbragt oven på sengestativet og rygstøtteindretningen.a substance. In practice, the back support portion 10 will also support the head of the person resting on the back support device. The length of the frames 1, 8 is adjusted such that the position of the first pivot axis 9 at the position of FIG. 2 essentially corresponds to the location of the hip-5 joint on a person lying on his back in bed. Of course, in practice, a mattress is placed on top of the bed rack and backrest device.

Endvidere omfatter indretningen et ved hjælp af en styreenhed 11 styrbart kraftorgan 12, som er indrettet til at svinge den anden ramme i forhold til den første omkring den nævnte første svingakse. Kraftorganet 10 er af typen, der kan ændres i længde, og har en stangdel 14, som kan forskydes retliniet i forhold til en anden ende 13, som i højde med tværbjælken 3 er forbundet svingbart med den første ramme 1. Kraftorganet er svingbart forbundet med den første ramme 1 omkring en svingakse, som i det væsentlige er parallel med den første svingakse. Kraftorganet 15 udgøres af en i en cylinder 15 anbragt skrue, som er drevet af en elektromotor, og som er forbundet med stangdelen 14. Elektromotoren er forbundet med en ikke vist strømforsyningsanordning, for eksempel el-nettet. Kraftorganet kan dog ligeledes udgøres af en trykfluidcylinder, hvorved det kan dreje sig om en hydraulisk eller en pneumatisk cylinder.Furthermore, the device comprises a force member 12 controllable by means of a control unit 11, which is arranged to pivot the second frame relative to the first around said first pivot axis. The force member 10 is of the extensible type and has a rod portion 14 which can be displaced rectilinearly to a second end 13 which, at the height of the cross beam 3, is pivotally connected to the first frame 1. The force member is pivotally connected to the the first frame 1 about a pivot axis which is substantially parallel to the first pivot axis. The power means 15 is constituted by a screw arranged in a cylinder 15, which is driven by an electric motor and which is connected to the rod part 14. The electric motor is connected to a power supply device (not shown), for example the power grid. However, the force member may also be constituted by a pressurized fluid cylinder, whereby it may be a hydraulic or a pneumatic cylinder.

20 Stangdelen 14 er styret forskydeligt inden i et rør 16, som ved sin første frie ende 17 er indrettet til at modtage kraftorganets stangdel 14, og ved sin anden ende 18 via en bøjle er svingbart forbundet med den første ende 19 af et stift led 20. Det stive led 20 består af en i 90° bøjet stang, hvis anden ende 21 er optaget i en til den anden ramme 8 25 fastgjort bøsning 22. Centeraksen i bøsningen 22 svarer til svingaksen . mellem den første ramme 1 og den anden ramme 8.The rod member 14 is slidably guided within a tube 16 which at its first free end 17 is arranged to receive the rod member 14 of the force member, and at its second end 18 is pivotally connected to the first end 19 by a rigid link 20 The rigid link 20 consists of a 90 ° bent rod, the other end of which 21 is received in a bushing attached to the second frame 8 25. The center axis of the sleeve 22 corresponds to the pivot axis. between the first frame 1 and the second frame 8.

Bøsningens væg har to stik modsatte, vinkelret på bøsningens centerakse rettede første huller, og leddet 20 har et gennemgående andet hul, som er indrettet til ved i bøsningen 22 indskudt led 20 at korre-30 spondere med de første huller i to i forhold til hinanden 180° forskudte stillinger. En bolt 23 kan indskydes gennem det første og andet hul for at frembringe en stiv forbindelse med leddet 20 og den anden ramme 8.The wall of the sleeve has two plugs opposite the first holes perpendicular to the center axis of the sleeve, and the joint 20 has a through-going second hole which is arranged to correspond to the first holes in the sleeve 22 with the first holes in two relative to each other. 180 ° staggered positions. A bolt 23 may be inserted through the first and second holes to provide a rigid connection with the link 20 and the second frame 8.

Den almindelige funktion for den ovenfor beskrevne rygstøtteindretning er følgende. Ved manøvrering af styreenheden 11 kan stangdelen 14 35 ud fra stillingen i fig. 2 bringes til at forskyde sig ind i cylinderen 15, hvorved den frie ende af stangdelen 14 har et parti med større diameter, hvilket ligger an mod et parti med formindsket diameter i røret 16 i nærheden af rørets frie ende, og ved forskydningen har stangdelen 5The general function of the backrest device described above is as follows. When operating the control unit 11, the rod part 14 35 can be viewed from the position in FIG. 2 is displaced into the cylinder 15, whereby the free end of the rod portion 14 has a larger diameter portion which abuts a portion of reduced diameter in the tube 16 near the free end of the tube, and at the displacement the rod portion 5

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14 derfor tendens til at forlade røret 16. Dette medfører, at stangdelen 14 via røret 16 påvirker leddet 20 og dermed den anden ramme 8 til at svinge omkring den første svingakse (svingtappene 9). På denne måde kan for eksempel stillingen i fig. 1 nås. Nedsænkning af den rygstøttedan-5 nende anden ramme sker på analog måde ved forskydning af stangdelen 14 ud af cylinderen 15 og dermed tilladelse til, at den anden ramme, i afhængighed af den af personens krop på den anden ramme udøvede tyngdekraft, kontrolleret svinges nedad mod den i fig. 2 viste udgangsstilling. I hver stilling hidrører de klemmende kræfter, som opstår mellem 10 de to rammer og øvrige i indretningen indgående dele, kun fra personens og den anden rammes vægt. Dette afstedkommes takket være den teleskopag-tige indretning af stangdelen 14 i røret 16, hvorved den anden ramme 8 i enhver stilling manuelt kan svinges opad i forhold til den første ramme, når den anden rammes tyngdekraft og tyngdekraften fra den eventuelt i 15 indretningen hvilende person overvindes.14 therefore tends to leave the pipe 16. This causes the rod part 14 via the pipe 16 to influence the link 20 and thus the second frame 8 to pivot about the first pivot axis (pivots 9). In this way, for example, the position of FIG. 1 is reached. Immersion of the back support-forming second frame is done by analogy by displacing the rod part 14 out of the cylinder 15 and thus allowing the second frame, depending on the gravity exerted by the person's body on the second frame, to pivot down towards FIG. 2. In each position, the squeezing forces which arise between the two frames and other parts of the device are derived only from the weight of the person and the other frame. This is achieved thanks to the telescoping device of the rod part 14 in the tube 16, whereby the second frame 8 can be manually pivoted upwards in any position relative to the first frame when the second is struck by gravity and the gravity of the possibly resting device. overcome.

Ved anbringelsen ifølge opfindelsen af kraftorganet 12 ved siden af de to rammer 1, 8 kan indretningen gøres meget lav, så at den under sengemadrassen liggende del af indretningen i stillingen i fig. 2 kun har en højde, som i det væsentlige svarer til den tilsvarende dimension af 20 bjælkedelene 2, 3, 6, 7.By the arrangement according to the invention of the force member 12 next to the two frames 1, 8 the device can be made very low, so that the part of the device lying under the bed mattress in the position in fig. 2 has only a height which substantially corresponds to the corresponding dimension of the beam sections 2, 3, 6, 7.

Placeringen af den anden ramme 8 på ydersiden af den første ramme 1 medfører en stor fordel ud fra et kraftsynspunkt i forhold til en placering af den anden ramme 8 inden i den første ramme 1. På denne måde bliver det resulterende drejningsmoment og belastningen for den første ram-25 me 1 ved tilslutningen mellem denne og den anden ramme meget mindre end i det andet tilfælde. Herved kan den første ramme 1 gøres lettere og behøver ingen skråforbindelser. Dette har til følge, at hele indretningen kan gøres så let, at den kan bæres af et hvilket som helst sygepasserpersonale med normale kræfter, uden at der foreligger nogen nævneværdig 30 risiko for arbejdsskader.The location of the second frame 8 on the outside of the first frame 1 provides a great advantage from a power point of view over a location of the second frame 8 within the first frame 1. In this way, the resulting torque and the load of the first frame frame-25 me1 at the connection between this and the second frame much less than in the second case. In this way, the first frame 1 can be made easier and does not need sloping connections. As a result, the entire device can be made so light that it can be worn by any nursing staff with normal powers, without any significant risk of injury.

Nu skal det med henvisning til samtlige figurer forklares, hvorledes indretningen ifølge opfindelsen kan flyttes fra en seng, som står med sin venstre langside imod en væg (se fig. 2) til en seng, som står med sin højre langside mod en væg, under bibeholdelse af nøjagtig samme 35 funktion. I stillingen ifølge fig. 2 trækkes bolten 23 ud af det nævnte første og andet hul i bøsningen 22 og leddet 20, hvorpå den anden ramme 8 manuelt svinges via stillingen i fig. 1 til stillingen i fig. 3 samtidig med, at der tages fat i røret 16, og dette sammen med kraftorganet 6Now, with reference to all figures, it will be explained how the device according to the invention can be moved from a bed which stands with its left long side against a wall (see Fig. 2) to a bed which stands with its right long side against a wall, below retaining the exact same function. In the position of FIG. 2, the bolt 23 is pulled out of the first and second holes in the bush 22 and the link 20, the second frame 8 being manually pivoted via the position in FIG. 1 to the position of FIG. 3 at the same time as the pipe 16 is gripped, and this together with the force member 6

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12 og leddet 20 svinges til stillingen i fig. 3. Både leddet 20 og den anden ramme 8 med bøsningen 22 er nu svunget i det væsentlige 180°, så at det første og andet hul stadig stemmer overens md hinanden ligesom tidligere. I stillingen i fig. 3 løsnes spænderemmene 4, og den anden 5 rammes svingbevægelse i forhold til den første ramme fortsættes ved løftning af de to rammers svingcentrum til stillingen i fig. 4 og videre, indtil den anden rammes parallelle bjælkedele 6 strækker sig i det væsentlige parallelt med den første rammes parallelle bjælkedele 2. I denne stilling justeres leddets 20 stilling noget med hånden, så at dets 10 andet hul stemmer overens med de første huller i bøsningen 20, hvorpå bolten 23 skydes ind gennem disse huller for oprettelse af den stive forbindelse mellem leddet 20 og den anden ramme 8. Nu er indretningen parat til at bæres til en seng med den højre langside mod en væg og anbringes på denne seng for at fuldføre nøjagtig samme funktion som be-15 skrevet ovenfor med henvisning til fig. 1 og 2.12 and link 20 is pivoted to the position of FIG. 3. Both the joint 20 and the second frame 8 with the bushing 22 are now pivoted substantially 180 °, so that the first and second holes are still aligned with one another just as before. In the position of FIG. 3, the clamping straps 4 are loosened and the swivel movement of the second 5 relative to the first frame is continued by lifting the swivel center of the two frames to the position in fig. 4 and on, until the parallel beam portions 6 of the second frame extend substantially parallel to the parallel beam portions of the first frame 2. In this position, the position of the joint 20 is adjusted somewhat by hand so that its second hole corresponds to the first holes in the bushing 20, whereby the bolt 23 is inserted through these holes to establish the rigid connection between the link 20 and the second frame 8. Now the device is ready to be carried to a bed with the right long side against a wall and placed on this bed to complete exactly the same function as described above with reference to FIG. 1 and 2.

Opfindelsen er givetvis på ingen måde begrænset til den ovenfor beskrevne udførelsesform, idet en mængde muligheder for modifikationer er åbenbare for en fagmand på opfindelsens område, uden at disse afviger fra opfindelsens grundide.The invention is, of course, by no means limited to the embodiment described above, since a number of possibilities for modifications are apparent to one skilled in the art without departing from the basic idea of the invention.

20 Det ville være muligt at tilslutte den anden ende af kraftorganet til sengestativet i stedet for til den første ramme. Ligeledes ville kraftorganet kunne vendes, så at røret til optagelse af stangdelene var svingbart forbundet med den første ramme eller en dermed stift forbundet del, og den anden ende af kraftorganet var svingbart forbundet med den 25 anden ramme, eventuelt via et led.20 It would be possible to connect the other end of the power means to the bed frame instead of the first frame. Likewise, the force member could be reversed so that the tube for receiving the rod members was pivotally connected to the first frame or a rigidly connected portion and the other end of the force member was pivotally connected to the second frame, optionally via a joint.

Bolten samt hullerne i bøsningen og leddet til valgfri stiv forbindelse af de to rammer ville kunne skiftes ud med et hvilket som helst andet egnet fikseringsorgan, for eksempel en til spændingsskrue. Endvidere er det ikke nødvendigt, at vinklen mellem de to valgfrie forbindel-30 sesstillinger er nøjagtigt 180°; den ville kunne være noget mindre eller noget større, hvorved kraftorganets svingbare ophængning og stangdelens forskydelighed i røret dog skulle tilpasses til rygstøtteindretningen efter sideomskiftning af kraftorganet, så den ville fungere på samme måde som før den ovenfor beskrevne sideomskiftning.The bolt as well as the holes in the bush and the joint for optional rigid connection of the two frames could be replaced by any other suitable fixing means, for example one for tensioning screw. Furthermore, it is not necessary that the angle between the two optional connection positions be exactly 180 °; it could be somewhat smaller or somewhat larger, whereby, however, the pivotal suspension of the power member and the displacement of the rod part in the pipe would have to be adapted to the backrest device after side switching of the power means, so that it would function in the same way as before the side switch described above.

35 Naturligvis ville det rygstøttende parti 10 kunne udgøres af fjedre eller andre egnede elementer, og spænderemmene kunne udskiftes med passende fikseringsorganer.Of course, the back support portion 10 could be constituted by springs or other suitable elements, and the straps could be replaced by suitable fixing means.

Endelig ville det naturligvis være muligt at erstatte røret og 5Finally, it would of course be possible to replace the tube and 5

DK 164438 BDK 164438 B

7 stangdelen i den ovenfor beskrevne indretning med en stangdel, henholdsvis et rør, som har partier med forstørret, henholdsvis formindsket diameter.7 shows the rod part of the device described above with a rod part or a pipe, respectively, having portions of enlarged or reduced diameter, respectively.

Claims

A device for lifting and supporting in the optional raised position of a person lying on his back in a bed, wherein the device 5 is intended to be secured near the head end of the bed and so that it can be moved between different beds, the device comprising a first frame (1) of substantially the same width as a bed, means (4) for attaching the first frame (1) to a bed rack, a second frame (8) with a back support portion (10) pivotally connected to the first frame (1) about a first pivot axis (9) which, in the state in which the first frame is attached to a bed frame, is located at the end facing away from the bed end of the first frame (1) and substantially parallel to the end piece (5) of the bed and horizontally, whereby the second frame (8) is arranged to have, when a person lies 15 in a bed provided with the device, its end opposite the first pivot axis (9) located on the back support party (10) in the immediate vicinity of the head end of the bed, and a force member (12) adapted to act between, on the one hand, either the first frame (1) or the bed frame and, on the other hand, the second frame ( 8) in and for oscillation of the second frame relative to the first, CHARACTERIZED by the fact that, when the device is in use, the power means (12) is positioned straight from outside one long side of the bed, that the power means (12) is a longitudinally variable type having a rigid rod-shaped portion (14) attached to one end of the force member and which is rectilinearly displaceable in its longitudinal direction and relative to the other end of the force member (13), stiff, rod-shaped portion (14) is disposed telescopically displaceable with respect to a rigid elongate member (16) which, with a substantially parallel second pivot axis, is directly or indirectly pivotable with either the first pivot axis the second frame 30 (8) or the first frame (1), thereto the power means (12) is arranged to act between the first frame (1) and the second frame (8), or which, in relation to the first pivot axis, is substantially parallel or second pivotally connected to either the the second frame (8) or the bed frame, if the power means (12) is arranged to act between the bed frame and the second frame (8), that means are provided to prevent separation of the free end of the rod-shaped part (14) from the elongated member (16), the force member being adapted to produce the swinging motion of the second frame by displacing the rod-shaped part (14) relative to the other end (13) of the force member (12), the rod-shaped part (14) free end strives towards leaving the telescopic-like engagement with the elongate member (16), that the force member via the rod-shaped portion (14) and the elongated member (16) is pivotally connected about one to said pivot axes substantially parallel, second axis (13) with one end (19) of a rigid link (20), the other end (21) being rigidly connected to the second frame (8) at or near the first pivot axis, the force member (12) ) is arranged to pivot the second frame (8) by pivoting the other end (21) of the joint about the latter pivot axis, and AT means (23) are arranged to fix the rigid connection between the link (20) and the second frame. (8) which can be removed so as to allow a rotation of the joint of at least 90 °, preferably approx. 180 °, relative to the second frame, and then establishing the rigid connection.

Device according to claim 1, characterized in that a bushing (22) is arranged at the second frame (8), the center axis of which substantially coincides with the first pivot axis, that the other end (21) of the joint is inserted into the the sleeve (22), that the wall of the sleeve has two equally opposite, substantially perpendicular to the center holes of the sleeve, and the joint (20) has a through-going second hole adapted to correspond with the joint inserted in the sleeve to the first holes in two relative to each other with 180 ° offset positions, and AT a pin-like member (23), such as a bolt, can be slid in through the first 25 and the second hole to make it selectable between the two different positions rigid connections between the link (20) and the second frame (8).

Device according to claim 1 or 2, characterized in that the elongated member (16) and thus the rigid rod-shaped part (14) is pivotally connected to the first end (19) of the joint and thus to the second frame (8).

Device according to claim 3, characterized in that the second end (21) of the power means is pivotally connected to the first frame (1) at its opposite end to the pivotal connection with the second frame (8).

Device according to one of the preceding claims, characterized in that the elongated member (16) is a pipe (16) having a smaller inner diameter at the end (17) which receives the rigid rod-shaped part (14). ), other than that the free end of the rod-shaped part (14) is provided with a portion of increased diameter, the diameter of which is greater than the inner diameter of the pipe at said receiving end, and that the enlarged portion is arranged for by the weight of the second frame and the weight of a bed resting on the bed to constantly abut the inner constraint of the tube (16) at the receiving end of the tube.

Device according to one of the preceding claims, characterized in that the first (1) and the second (8) frame each have two parallel beam parts (2 and 6, respectively) and one of them connecting, substantially perpendicular thereto 10 transverse beam member (3, respectively 7), wherein each frame is preferably formed of a single bent beam, the transverse beam members being located at the opposite end of the frame of the respective frame and extending substantially parallel to the bed end pieces (5), and that the parallel beam portions (6) of the second frame (8) 15 are spaced greater than the parallel beam portions (2) of the first frame (1), and the pivotal connection between the frames is provided by ends of the parallel beam portions of the second frame are externally pivotally connected to the free ends of the parallel beam portions of the first frame to reduce the bending moment of the first frame.

Device according to claim 2, characterized in that the joint (20) is formed by a 90 ° bent pipe or rod piece, the first end (19) of which points in substantially parallel plane with the long side of the bed, and the other end ( 21) points in a plane substantially parallel to the bed end pieces (5) when the device is arranged on a bed.

Device according to one of the preceding claims, characterized in that the force member (12) is constituted by a cylinder connected to a piston fluid source with the piston rod, which constitutes the rod-shaped part (14). 1 35