EP3784090B1 - Dispositif de couchette à réglage ergonomique - Google Patents

Dispositif de couchette à réglage ergonomique Download PDF

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Publication number
EP3784090B1
EP3784090B1 EP19700660.4A EP19700660A EP3784090B1 EP 3784090 B1 EP3784090 B1 EP 3784090B1 EP 19700660 A EP19700660 A EP 19700660A EP 3784090 B1 EP3784090 B1 EP 3784090B1
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EP
European Patent Office
Prior art keywords
see
locking
side part
self
slider
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EP19700660.4A
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German (de)
English (en)
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EP3784090A1 (fr
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Gerhard Weidhas
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Individual
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C1/00—Chairs adapted for special purposes
    • A47C1/02—Reclining or easy chairs
    • A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/034—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts including a leg-rest or foot-rest
    • A47C1/0342—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts including a leg-rest or foot-rest in combination with movable backrest-seat unit or back-rest
    • A47C1/0347—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts including a leg-rest or foot-rest in combination with movable backrest-seat unit or back-rest characterised by the backrest-seat unit or back-rest slidingly movable in the base frame, e.g. by rollers
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C1/00—Chairs adapted for special purposes
    • A47C1/02—Reclining or easy chairs
    • A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
    • A47C1/03205—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest having adjustable and lockable inclination
    • A47C1/0325—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest having adjustable and lockable inclination by means of clamps or friction locking members
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C1/00—Chairs adapted for special purposes
    • A47C1/02—Reclining or easy chairs
    • A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/034—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts including a leg-rest or foot-rest
    • A47C1/035—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts including a leg-rest or foot-rest in combination with movably coupled seat and back-rest, i.e. the seat and back-rest being movably coupled in such a way that the extension mechanism of the foot-rest is actuated at least by the relative movements of seat and backrest
    • A47C1/0352—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts including a leg-rest or foot-rest in combination with movably coupled seat and back-rest, i.e. the seat and back-rest being movably coupled in such a way that the extension mechanism of the foot-rest is actuated at least by the relative movements of seat and backrest characterised by coupled seat and back-rest slidingly movable in the base frame, e.g. by rollers
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C1/00—Chairs adapted for special purposes
    • A47C1/14—Beach chairs ; Chairs for outdoor use, e.g. chairs for relaxation or sun-tanning
    • A47C1/143—Chaise lounges
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C17/00—Sofas; Couches; Beds
    • A47C17/04—Seating furniture, e.g. sofas, couches, settees, or the like, with movable parts changeable to beds; Chair beds
    • A47C17/16—Seating furniture changeable to beds by tilting or pivoting the back-rest
    • A47C17/162—Seating furniture changeable to beds by tilting or pivoting the back-rest with adjustable back-rest
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C17/00—Sofas; Couches; Beds
    • A47C17/04—Seating furniture, e.g. sofas, couches, settees, or the like, with movable parts changeable to beds; Chair beds
    • A47C17/16—Seating furniture changeable to beds by tilting or pivoting the back-rest
    • A47C17/163—Seating furniture changeable to beds by tilting or pivoting the back-rest and a foot-rest
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C17/00—Sofas; Couches; Beds
    • A47C17/04—Seating furniture, e.g. sofas, couches, settees, or the like, with movable parts changeable to beds; Chair beds
    • A47C17/16—Seating furniture changeable to beds by tilting or pivoting the back-rest
    • A47C17/17—Seating furniture changeable to beds by tilting or pivoting the back-rest with coupled movement of back-rest and seat
    • A47C17/175—Seating furniture changeable to beds by tilting or pivoting the back-rest with coupled movement of back-rest and seat with tilting or lifting seat-back-rest pivot
    • A47C17/1753—Seating furniture changeable to beds by tilting or pivoting the back-rest with coupled movement of back-rest and seat with tilting or lifting seat-back-rest pivot by sliding, e.g. by rollers
    • 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 according to claim 1 to an ergonomically adjustable reclining device for one or more persons.
  • a conventional non-ergonomic lounger usually has only a limited range of adjustment (approx. 4 positions) between sitting and lying positions, or requires a lot of effort to adjust. In addition to being uncomfortable, it is often difficult or awkward to leave the position you have already adopted without having to get up from the lounger.
  • the bend or the axis of rotation is only in the back area and causes back tension or pressure points when leaning back for a long time, which can only be avoided by adding an additional cushion or padded support.
  • the DE8626550 U1 a recliner whose seat and backrest are arranged between two parallel, upwardly convexly curved supports and are supported on these, wherein the backrest, which is adjustable in inclination, is pivotably mounted on the seat in its lower region about a horizontal transverse axis, wherein at the front end of the seat (40) a leg rest (45) arranged between the two supports and supported on these is pivotably mounted about a further horizontal transverse axis (48).
  • the DE 10301326 A1 shows a piece of seating furniture, in particular an armchair, with a base body on which a seat is formed, and with armrests arranged to the side of the seat, wherein the armrests can be adjusted from a sitting position to a lying position, in which surfaces of the armrests form a lying surface or part of a lying surface, such that a piece of reclining furniture is formed in the lying position.
  • the US 5344216 A a sofa or armchair, the end of which consists of a lifting or armrest part, the backrest with an adjustment and locking device located therein. If the position adjustment of the backrest is to take place in predetermined steps, the surfaces of the locking device and the corresponding surfaces of the armrests can be roughened at the points or provided with teeth, slots in order to increase the locking effect of the locking device.
  • the device comprises a right and a left side part, each of which is constructed from at least an outer side part and an inner side part, a backrest element and a seat element, which are rotatably connected to one another via a first bearing rod, and a foot part element, which is rotatably connected to the seat element via a second bearing rod, wherein the foot part element is mounted between the right and left side parts via a third bearing rod, wherein the first, second and third bearing rods are each mounted in a corresponding guide in the right and left side parts so that they can be moved in a translational manner such that the backrest element, the seat element and the foot part element can be variably adjusted between a substantially horizontal position and an ergonomic sitting position, and wherein the first bearing rod is locked by self-locking via a locking slide in a locking recess in at least one outer side part, and wherein the self-locking can be canceled by the user via a hand knob.
  • the ergonomic reclining device according to the invention due to the interconnected elements, which can each be moved translationally in a corresponding guide in the right and left side parts, the self-locking is removed when the user operates the hand knob and the reclining device can be continuously and variably adjusted between the sitting ergonomic position and the lying ergonomic position. It is particularly advantageous that, due to the self-locking, no action is required by the user to maintain the adopted ergonomic position. In addition, it is not necessary for the user to get up from the reclining device according to the invention if the reclining device is to be variably adjusted between the sitting ergonomic position and the lying ergonomic position, since the user only has to operate the hand knob to continuously and variably adjust the position.
  • the first bearing rod extends through an arcuate milling of the inner side part and is inserted into a slot in the slider for variable adjustment of the position between a Essentially horizontal position and an ergonomic sitting position when the self-locking is released by means of the hand knob.
  • the slider is guided in a guide of the inner side part, so that the movement of the slider is guided from two sides and thus the self-locking is facilitated.
  • the locking slide is displaced by actuating the hand knob in the locking recess while removing the self-locking, wherein the self-locking is generated by wedging the locking slide in the locking recess when the hand knob is no longer actuated by the user.
  • the backrest element is mounted so that it can rotate about a rotation axis between the right and left side parts, with the rotation axis and the first bearing rod determining the position of the backrest element.
  • a first rod, a second rod and a third rod are provided between the right and left side parts for stabilization, which together form a triangle, and wherein the first and third rods form the base of the triangle and each represent the receptacle of a wheel for the rolling movement of the recliner or for rolling the recliner across the floor.
  • the right and left side parts as well as the backrest element, the seat element and the foot part element are made of wood, since these parts of the device according to the invention can be manufactured in a simple and cost-effective manner despite their conceptually extensive structure.
  • the right and left side parts as well as the backrest element, the seat element and the foot part element are made of plastic, since these parts of the device according to the invention can be manufactured in a simple and cost-effective manner despite their conceptually extensive structure.
  • the right and left side parts as well as the backrest element, the seat element and the foot part element are made of metal, since these parts of the device according to the invention can be manufactured in a simple and cost-effective manner despite their conceptually extensive structure.
  • Fig.1 shows a perspective schematic overall view of the lying device 10 according to the invention with rungs 140 (see Fig.6 ) of the ergonomic lounger, where the outer 60 (see Fig.5 ) and inside 80 (see Fig.5 ) side parts are shown transparent. Not shown are the reinforcements (wooden strips) 160 (see Fig.7 ), which after inserting the rungs 140 (see Fig.6 ) into the notches 98 (see Fig.6 ) of the side panels 90/130 (see Fig.5 ) (Detail 150, see Fig.6 ) are glued onto them (see Fig.7 ) to guarantee the strength (prevention of bending fracture due to excessive load) of the backrests.
  • the reinforcements wooden strips
  • Fig. 2 shows in perspective the already assembled lying surfaces (backrest 23, seat 24 and footrest 25) in different positions (but without the interaction between the outer 60 (see Fig.5 ) and inside 80 (see Fig.5 ) Side panels and slider 70 (see Fig.5 ).
  • the sitting position 20 is shown with the backrest 23 upright, the seat 24 lowered and the footrest 25 angled.
  • the half-reclining position 21 is shown with the slanted backrest 23, the seat 24 half raised and the footrest 25 half raised.
  • the reclining position 22 is shown with the horizontal backrest 23, the horizontal seat 24 and the horizontal footrest 25. Any position can be set between these extremes and is held there by means of the self-locking function described below.
  • the self-locking is created by the interaction of the following components bearing stock 102 (see Fig.5 ), an arc-shaped or 1 ⁇ 4-circular milling 82 (see Fig.5 ), slide 70 with corresponding long hole 71 (see Fig.5 ) and the hand knob 50/51 (see Fig.5 ), as well as the milled guides or locking recess 61 in the outer side part 60 and the milled guide 81 in the inner side part 80 (see Fig.5 ).
  • the self-locking mechanism is based on the friction principle. This means that the slide 70 with its obliquely milled long hole 71 (see Fig.5 ) is provided by the bearing block 102 (see Fig.5 ) is pressed either upwards or downwards, depending on whether the seat is loaded or unloaded. When the seat is loaded, it is pushed downwards, when the seat is unloaded, it is pushed upwards. This is achieved by the form fit of the slide 70 (see Fig.5 ), with the upper or lower edge of the milled recess 61 in the side part 60 (see Fig.5 ) creates friction between these surfaces.
  • the slide 70 like two opposing but interconnected wedges, which are located between the bearing block 102 (see Fig.5 ) and the respective upper and lower edges of the milled recess 61 in the side part 60 (see Fig.5 ) jam.
  • the slider 70 Only when the bearing block 102 is relieved (see Fig.5 ) is the slider 70 (see Fig.5 ) again using the side knob 50/51 (see Fig.5 ) or the armrest 180 (see Fig.4 ) is movable and the self-locking mechanism can be released.
  • the self-locking is also functional if the principle is reversed by 180° and the roles (active and passive) of the components are swapped.
  • the role (active and passive) of the components changes, but the basic principle remains the same. It is only important that a small amount of "play" is provided for the respective reacting component (passive) (either slide or bearing block) in order to enable jamming.
  • This functionality sets the present lounger apart from many mechanical loungers available on the market, as no action is required by the user to maintain the position adopted.
  • This inhibition is achieved by the bearing block 102 being pushed through the 1 ⁇ 4-circular milling 82 (see Fig.5 ) to the long hole 71 (see Fig.5 ) or 261 (see Fig.4 ) of the slide 70 (see Fig.5 ) or 260 (see Fig.4 ) is enough.
  • the bearing block 102 via the long hole71 (see Fig.5 ) or 261 (see Fig.4 ) on the slider 70 (see Fig.5 ) or slide 260 (see Fig.4 ) exerted pressure (up or down) results in this being aligned with the upper (in the case of upward movement) or lower edge (in the case of downward movement) in the milled guide 61 (see Fig.4 ) or 81 (see Fig.5 ) wedged.
  • the components are deliberately installed with a little "play” to make this jamming possible.
  • the main part of the friction occurs between the milled guides 61 and 81 (see Fig.5 ) and the respective ends of the upper and lower edges of the slider 70 (see Fig.5 ) or 260 (see Fig.4 ).
  • the Figure 16a and 16b The self-locking mechanism shown differs only in that the direction of movement of the bearing block 103 (see Fig.5 ) not perpendicular to the respective long hole in the slide 344 (see Fig. 16a ) and 345 (see Fig. 16b ) but at an angle.
  • the self-locking mechanism By shifting the self-locking mechanism from the rotational area of the bearing block 102 to the bearing block 103, the curved milling 82 of the inner side part 80 (see Fig.5 ) are eliminated.
  • the self-locking is now not generated by a 1 ⁇ 4-circular movement, but by a push/pull movement of the bearing block 103 on the slide 344, or as in Figure 16c and 16d on slider 513 or slider 518.
  • Fig.3 shows a side section through the bed with transparent components in order to schematically show this interaction of the previously mentioned components in the three different positions (but without the interaction with the slider 70 (see Fig.5 ).
  • Very clearly visible in Fig.3 how the lever position of the backrest changes across the three positions (here, for example, side part backrest 90 (see Fig.5 ), which extends over the axis of rotation in hole 88 (see Fig.5 ) in the inner side part 80 (see Fig.5 ) or stock 101 ( Fig.5 ), the joint between the backrest 23 (see Fig. 2 ) and seat 24 (see Fig. 2 ) changes.
  • the 1 ⁇ 4-circular milling 82 (see Fig.5 ) in the inner side part 80 (see Fig.5 ) which freewheels the bearing block 102 (see Fig.5 ) in it.
  • the long hole 83 in the inner side part 80 (see Fig.5 ) serves as a bearing for the joint connection (bearing block 104 (see Fig.5 )) between seat 24 (see Fig.2 ) and foot part 25 (see Fig.2 ) and on the other hand as a guide for it.
  • Fig.4 also shows a side section through the bed with transparent components in order to schematically show the interaction of the previously mentioned components in the three different positions, but is limited to the representation of the variant of the slider 260 (see Fig. 11b ), a section of the alternative outer side part 210 (see Fig.10b ) with the milling 211 (see Fig. 10b ), the side view of the bed frame and the section through the armrest 180 (see Fig. 9b ).
  • the three main positions are shown: Sitting 40, Semi-Reclining 41 and Lying 42.
  • Fig.5 shows a schematic exploded view of the bed with all the individual parts relevant for the function (numbered and without rungs for the sake of clarity 140 (see Fig.6 ) and reinforcements (wooden strips) 160 (see Fig.7 ) of the backrest side parts 90/130 (see Fig.5 ).
  • Fig.6 shows the perspective view of the lying surface frame with back, seat and foot section as well as the respective individual parts without the entirety of the rungs 140, whose insertion into the recess 98 (see Fig.5 ) of the side part 90 (see Fig.5 ) is shown schematically as a joined section 150.
  • the individual parts 90, 91, 92 are shown in the side view and top view
  • the bearing blocks are shown in perspective using 100 and 110 as examples.
  • the rungs 140 are also shown in side and top views and in perspective.
  • Fig.7 shows the reinforcement 160 in side, top and perspective view. Also shown is the reinforcement 160 in combination with the side part 90 of the backrest 23 (see Fig. 2 ). A detailed view of the reinforcement 160 is shown with wood glue and the cutout 150 (see Fig.6 ) is shown.
  • Fig.8 shows the static construction in a simplified perspective view, whereby the round bars 110, 111, 112 attached between the inner side parts 80 each form an imaginary triangle when viewed from the side, which ensures the lateral stability of the lounger.
  • a wheel 121 is shown as an example, which, when pushed over the round bars 110 and 112 (one wheel on the left and one wheel on the right) using the center hole, offers the possibility of easier movement of the lounger.
  • the possible variants without wheel 170, with wheel 171 or various variants of the wheel suspension 172, 173, 174 and 175 are also shown as sections A/B.
  • Fig. 9a shows the side-mounted operating knob 50/51 for the slider 70 (see Fig.5 ) as individual parts 50 (knob) and connecting part 51 for insertion into the slot 72 (see Fig.5 ) of the slide 70 (see Fig.5 ) and in perspective as a merged view.
  • Fig. 9b shows the armrest 180 for operating the slider 260 (see Fig. 11b ) as a side and top view, as well as a section A/B with the recess for the connection bar 262 (see Fig. 11b ).
  • Fig. 9c shows the crank 190 for the alternative operation of the modified slide 270 (see Fig. 11c ) with gearing 272 (see Fig. 11c ) with the individual parts crank handle 191, crank center rod 192, crankshaft 193 and gear 194.
  • Fig. 9d shows a motor 200, the motor shaft 201 and the associated pinion 202 for the alternative actuation of the modified slide 270 (see Fig. 11c ) with gearing 272 (see Fig. 11c ).
  • Fig. 9e shows the handwheel 480 (horizontal - also vertical possible) for the alternative operation of the modified slide 270 (see Fig. 11c ) with gearing 272 (see Fig. 11c ) with the individual parts turntable 481, gear 482, shaft 483, upper bearing bush in the side part 484, lower bearing bush in the side part 485, with the milling 501 for the slide 270 and the milling 502 for the turntable 481 in the outer side part 500.
  • a motor drive of the shaft 483 (not shown in the figure) is also possible.
  • Fig. 10a shows the outer side part 60 with the milling 61 as a guide for the slider 70 (see Fig.5 ) and the long hole 62 for receiving the connecting part 51 of the operating knob 50/51 (see Fig. 9a ) and section A/B for operation by the side knob 50/51 (see Fig. 9a ).
  • Fig. 10b shows the outer side part 210 with the milling 211 as a guide for the slider 260 (see Fig. 11b ) and the recess for the connection bar 262 (see Fig. 11b ) and section C/D for operation through the armrest 180 (see Fig. 9b ).
  • Fig. 10c shows the outer side part 220 with the milling 221 for the reception of the slider 270 (see Fig. 11c ) and the cutout 223 for the freewheel of the gear 194 (see Fig. 9c ) or pinion 202 (see Fig. 9d ) and the bearing hole 224 for the crankshaft 193 (see Fig. 9c ) or motor shaft 201 (see Fig. 9d ) and the section E/F for the operation by the crank 190 (see Fig. 9c ) and E'/F' by the engine 200 (see Fig. 9d ).
  • Fig. 10d shows the outer side part 230 with the milling 231 for the reception of the slider 280 (see Fig. 11d ) and the milled recess 232 for receiving the cross bar 282 (see Fig. 11d ) of the slide 280 (see Fig. 11d ) and the section G/H for operation through the armrest 180 (see Fig. 9b ).
  • Fig. 10e shows the outer side part 240 with the milling 241 for the reception of the slider 290 (see Fig. 11e ) and the milling 242 for the reception of the cross bar 292 (see Fig. 11e ) of Slider 290 (see Fig. 11e ) and the section I/J for operation through the armrest 180 (see Fig. 9b ).
  • Fig.10g shows the outer side part 500 with the milling 501 for the reception of the slider 270 (see Fig. 11c ) and the cutout 502 for the freewheel of the turntable 481 (see Fig. 9e ) or the upper and lower bearing bush in the side part 484/485 (see Fig. 9e ) and the section E"/F" for operation by the turntable 481 (see Fig. 9e ).
  • Fig. 10f shows the outer side part 250 with the milling 251 for the reception of the slider 300 (see Fig. 11f ) and the hole 252 for receiving a cross pin (bolt) as a connection between the slot 302 (see Fig. 11f ) of the slide 300 (see Fig. 11f ) and the outer side part 250 as well as the section K/L for the operation through the armrest 180 (see Fig. 9b ).
  • Fig. 11a shows the design of the slider 70 with oblique long hole 71 and the recess 72 for receiving the connector 51 (see Fig. 9a ) of the side operating knob 50/51 (see Fig. 9a ) and the cut A/B.
  • Fig. 11b shows the design of the slider 260 with the oblique slot 261, the connecting bar 262 and the slot 263 for the connection to the armrest 180 (see Fig. 9b ) and cut C/D.
  • Fig. 11c shows the design of the slide 270 with oblique slot 271 and the one with toothing 272 for operation by a gear wheel (194 (see Fig. 9c ) or 202 (see Fig. 9d )) and the cut E/F.
  • Fig. 11d shows the design of the slider 280 with the oblique slotted hole 281, the crossbar 282, the connecting bar 283 and the slotted hole 284 for the connection to the armrest 180 (see Fig. 9b ) and the cut G/H.
  • Fig. 11e shows the design of the slider 290 with the oblique slotted hole 291, the crossbar 292, the connecting bar 293 and the slotted hole 294 for the connection to the armrest 180 (see Fig. 9b ) and section I/J.
  • Fig. 11f shows the design of the slider 300 with the oblique slot 301, the slot 302, the connecting bar 303 and the slot 304 for the connection to the armrest 180 (see Fig. 9b ) and the cut K/L.
  • Fig. 12a shows the fully assembled unit of the side operating knob 50/51 (see Fig. 9a ) and the slide 70 (see Fig.5 ) in side and top view as well as with sections A/B and C/D.
  • Fig. 12b shows the fully assembled unit of the armrest 180 (see Fig. 9b ) and the slide 260 (see Fig. 11b ) which are connected via the connecting web 262 and by means of a bolt to the elongated hole 263 in the side and top view, as well as the section E/F.
  • Fig. 12c shows the fully assembled unit of the actuation by the hand crank 190 (see Fig. 9c ) and the slide 270 (see Fig. 11c ) in side view, as well as section G/H.
  • Fig. 12d shows the fully assembled unit of operation by a motor 200 (see Fig. 9d ) and the slide 270 (see Fig. 11c ) in side view.
  • Fig. 12e shows the fully assembled unit of the actuation by a handwheel 480 with the individual parts turntable 481, gear 482 and the shaft 483 (see Fig. 9e ) and the slide 270 (see Fig. 11c ) in side view.
  • Fig. 13a shows an inner side part 80 with all holes 85, 86, 87, 88, the long holes 83, 84, the curved milling 82 (for the freewheel of the bearing block 102 (see Fig.5 )) and the surface milling 81 for the mounting of the slider 70 (see Fig.5 ) as a guide, in the side and top view as well as the section A/B (for lateral operation by knob 50/51 (see Fig. 9a )).
  • Fig. 13b shows an inner side part 310 with all holes 85, 86, 87, 88, the long holes 83, 84, the curved milling 82 (for the freewheel of the bearing block 102 (see Fig.5 ) and the surface milling 311 for the mounting of the slider 260 (see Fig. 11b ) as a guide, in the side and top view as well as the section C/D (for operation using the armrest 180 (see Fig. 9b ).
  • Fig. 13c shows an inner side part 320 with all holes 85, 86, 87, 88, the long holes 83, 84, the curved milling 82 (for the freewheel of the bearing block 102 (see Fig.5 )) and the surface milling 321 for the mounting of the slider 270 (see Fig. 11c ) as a guide, and the milling 322 for the freewheel of the gear 194 (see Fig. 9c ) or pinion 202 (see Fig. 9d ) and the bearing hole 323 for the crankshaft 193 (see Fig. 9c ) or motor shaft 201 (see Fig. 9d ) in the side and top view as well as the sections E/F and E'/F'(for operation by the crank 190 (see Fig. 9c ) and E'/F' by the engine 200 (see Fig. 9d ).
  • Fig. 13d shows an inner side part 510 with all holes 85, 86, 87, 88, the slots 83, 84, the curved milling 82 (for the freewheel of the bearing block 102 (see Fig.5 )) and the surface milling 501 for the mounting of the slider 270 (see Fig. 11c ) as a guide, and the milling 484 for the upper bearing bush and the milling 485 for the lower bearing bush (see Fig. 9e ) or the cutout 502 for the freewheel of the turntable 481 (see Fig. 9e ) in the side and top view as well as the section E"/F (see Fig. 9e ).
  • Fig. 14a shows the inner side part 80 with inserted slider 70 (see Fig.5 ) and operating knob 50/51 (see Fig. 9a ) and stock 102 (see Fig.5 ).
  • Section A/B shows the lateral operation using knob 50/51 (see Fig. 9a ) with inner and outer side part 80 (see Fig.5 ) and 60 (see Fig.5 ), slide 70 (see Fig.5 ) and stock 102 (see Fig.5 )).
  • the section A'/B' shows a so-called sandwich design, in which the milling 61 (see Fig.5 ) in the outer side part 60 (see Fig.5 ) and the milling 81 (see Fig.5 ) in the inner side part 80 (see Fig.5 ) are missing and replaced by a sandwich insert.
  • the guide rails 340 and 341 remain in the guide area of the slider.
  • the sandwich construction simplifies production because the side parts no longer have any milling and can therefore be processed more quickly.
  • Fig. 14b shows the inner side part 310 with inserted slider 260 (see Fig. 11b ) and operation through the armrest 180 (see Fig. 9b ) and stock 102 (see Fig.5 ).
  • Section C/D shows the operation by means of armrest 180 (see Fig. 9b ) with inner and outer side part 310 (see Fig. 13b ) and 210 (see Fig. 10b ), slide 260 (see Fig. 11b ) and stock 102 (see Fig.5 )).
  • Section C'/D' shows a so-called sandwich design, in which the milling 211 (see Fig. 10b ) in the outer side part 210 (see Fig. 10b ) and the milling 311 (see Fig.
  • Fig. 14c shows the inner side part 320 with inserted slider 270 (see Fig. 11c ) and operation through the armrest 180 (see Fig. 9b ) and stock 102 (see Fig.5 ) and the cutout 322 for the freewheel of the gear 194 (see Fig. 9c ) or pinion 202 (see Fig. 9d ) and the bearing hole 323 for the crankshaft 193 (see Fig. 9c ) or motor shaft 201 (see Fig. 9d ).
  • Section E/F shows the slider 270 (see Fig. 11c ) for operation by crank 190 (see Fig. 9c ) and E'/F' by the engine 200 (see Fig. 9d ).
  • This variant can of course also be manufactured using the sandwich construction method.
  • Fig. 14d shows the inner side part 330 with inserted slider 70 (see Fig.5 ) and operating knob 50/51 (see Fig. 9a ) and stock 102 (see Fig.5 ) and two external guide rails 332 and 333 for the slide 70 (see Fig.5 ).
  • Section G/H shows the lateral operation using knob 50/51 (see Fig. 9a ) with inner side part 330, slider 70 (see Fig.5 ), stock 102 (see Fig.5 ) and the attached guide rails 332 and 333.
  • This variant is a real material and time saving variant for production, since the slider is not housed like in the other variants, but is exposed and only one inner side part is installed.
  • Fig. 14e shows the inner side part 510 with inserted slider 270 (see Fig. 11c ) and actuation by handwheel 480 (see Fig. 9e ) and the gear 482 (see Fig. 9e ) and the cutout 502 for the freewheel of the turntable 481 (see Fig. 9e ).
  • Section E"/F shows the slide 270 (see Fig. 11c ) for operation by handwheel 480 (see Fig. 9e ).
  • This variant can of course also be manufactured using the sandwich construction method.
  • Fig.15a shows examples of the various designs in terms of form, function and application, which can vary depending on the material used.
  • Some frame shapes, lying surface designs and bearing designs are shown as examples.
  • the simplest side part/frame shape is the rectangle 350, the shape 360, which is rounded at both ends, is just as easy to manufacture.
  • shape 370 there are only two support points and the design with a self-locking mechanism using a slider becomes a challenge.
  • Variant 390 only allows the use of a lowered foot section, but is probably the most aesthetically pleasing.
  • Variant 400 in turn, only has two support points and is particularly suitable for mounting wheels.
  • Variant 410 is again an economical variant with separate supports attached externally, which, in combination with an external slider, is probably the most cost-effective version.
  • the 420 variant is probably best suited for a metal or plastic version in order to guarantee the stability of the fragile design.
  • Fig. 15b shows, schematically, the different variations of the bearing design.
  • Version 430 shows a roller bearing in which the bearing is carried out by a wooden roller.
  • Version 440 shows a roller bearing, which is an axle with a wheel/roller attached to it, which runs in a guide.
  • Version 450 shows a plain bearing in which a block is inserted in a guide rail.
  • Version 460 shows the plain bearing used here (simply a round wooden rod that slides back and forth on the smooth surface. To avoid annoying noises, it is recommended that the running surface is either oiled, waxed, soaped or covered with a metal (brass) or plastic layer.
  • Version 470 shows a pivot bearing, which for stability reasons will probably only be used on a lounger made of metal or plastic.
  • Fig. 16a shows as an example the outer side part 342 with operating armrest and inserted shortened slider 344 to accommodate other slimmer forms of the bed such as 390 (see Fig. 15a ) to be able to realize. Also shown is the inner side part 343, where the 1 ⁇ 4-circular milling 82 (see Fig.5 ) can be dispensed with. Section A/B shows the milled version and section A'/B' shows the sandwich version with the intermediate layer 348.
  • Fig. 16b shows the outer side part 346 with a long operating armrest and inserted shortened slider 345. Also shown is the inner side part 347, which also has the 1 ⁇ 4-circular milling 82 (see Fig.5 ) can be dispensed with. Section C/D shows the milled version and section C'/D' shows the sandwich version with the intermediate layer 348.
  • Fig. 16c shows the inner side part 511 with inserted slider 513, push stick 514 and operation by the round knob 516 by means of the connecting piece 515.
  • the section E/F of Fig. 16c shows the slider 513 and the push stick 103.
  • the section G/H shows the push stick 514, the connecting piece 515 for operation by the knob 516.
  • This variant can of course also be manufactured in the sandwich construction.
  • Fig. 16d shows as an example the inner side part 522 with inserted slide 518 and actuation by the toothed handwheel 523 by means of the push rod 519, the associated milling 520 and the milling 524 for the slide 518.
  • the section G'/H' of Fig. 16d shows the push stick 519 and the toothed handwheel 523.
  • the section G/H shows the push stick 514, the connecting piece 515 for operation by the knob 516.
  • This variant can of course also be manufactured in the sandwich construction.
  • the present invention relates to the stepless adjustability and self-locking of the ergonomic lounger (the bending points are in the hip area on the one hand and in the knee area on the other hand and not in the back area and without knee bend as with other loungers) which, due to the crossing directions of movement of the slider 70 (see Fig.5 ) (horizontal) and the stock 102 (see Fig.5 ) (1 ⁇ 4-circle or vertical, movable connection between backrest and seat) block each other.
  • the oblique long hole 72 required for this (see Fig.5 ) in slide 70 (see Fig.5 ) for the mounting of the bearing block 102 (see Fig.5 ) and the 1 ⁇ 4-circular arc milling 82 (see Fig.5 ) for the freewheel of the bearing block 102 (see Fig.5 ) in the inner side part 80 (see Fig.5 ) is a prerequisite for this functionality.
  • the two milled recesses 61 (see Fig.5 ) and 81 (see Fig.5 ) on the inside of the side panels 60 (see Fig.5 ) and 80 (see Fig.5 ) as a guide for the slider 70 (see Fig.5 ) is relevant.
  • the slide 70/260 can only be operated when the bearing block 102 is unloaded (see Fig.5 ) by shifting the body's center of gravity (by tensing the abdominal muscles or relaxing the user). Or by a motorized or manual crank 190 (see Fig. 9c ) driven pinion 194 (see Fig. 9c ) which slides the slider 270 (see Fig. 11c ) which is provided with a toothing 272 (see Fig. 11c ) at the lower end.
  • This functionality can also be achieved by a pure push/pull movement of the bearing block 103 on the slide 344, or as in Figure 16c and 16d on the slider 513 or slider 518. This applies to the symmetrical self-locking. With asymmetrical self-locking, the movement is only blocked when leaning and not when standing upright.
  • the foot section of this lounger is also lowered in the sitting position and a further bend is created in the user's knee area. This prevents tension and strain on the knee joint. This is achieved by the slanted guide long holes 84 (see Fig.5 ) in the inner side panels 80 (see Fig.5 ) and the connection of the backrest 23 (see Fig. 2 ) with the seat 24 (see Fig. 2 ) and the foot part 25 (see Fig.
  • the bath towel can slip off the backrest when sitting down and has to be laboriously put back into position.
  • the top rung as a loose round rod 100 (see Fig.5 ) of the lying device according to the invention, which is in the holes 97/137 (see Fig.5 ) of the two side parts 90/130 (see Fig.5 ) is freely movable, you can with or without removing (threading the bath towel) the round rod 100 (see Fig.5 ) simply fold the bath towel over and it will not slip down when you raise the lounger into the sitting position.
  • the lounger according to the invention can be made of various materials such as metal, wood, plastic, ceramic, hard paper, cardboard and rattan as well as different shapes, colours and designs. Depending on the material and design, the lounger according to the invention can be used both indoors and outdoors, as it works without electricity.
  • the side parts or frames of the bed according to the invention can be designed differently depending on the material and thus also have an impact on the storage areas (see Fig. 15b ) or the type of slider used (variants see Fig. 15a , Fig. 16c and 16d ) and on the static elements (in wooden version round bars 110, 111, 112 or boards), which are connected to the inner side parts 80 (see Fig.8 ) to form an imaginary triangle.
  • the loungers shown can be designed with and without castors and different solutions are shown (without castors 170, internally fitted 171, internally fitted semi-recessed 172, externally fitted semi-recessed 173, internally fitted 174 and externally fitted 175).
  • bearings depends on the material and can be made in wood as a simple support or with a metal insert (e.g. brass, self-lubricating), roller bearings, plain bearings or journal bearings. This also applies to the position or alignment of these bearings (see Fig. 15b ).
  • a metal insert e.g. brass, self-lubricating
  • roller bearings plain bearings or journal bearings. This also applies to the position or alignment of these bearings (see Fig. 15b ).
  • the lying areas can, depending on the material used, consist of simple boards, rungs, pipes, rods, a covering (including plastic, textiles, leather, wire, paper-wrapped wire, ropes or cords) or a grid, a perforated sheet or panels which may also be provided with recesses.
  • the housed version with a side knob see Fig.5 , parts 50 and 51
  • armrest 180 see Fig. 9b
  • crank 190 see Fig. 9c
  • engine 200 see Fig. 9d
  • the non-housed version with a laterally mounted open guide of the slide 70 see Fig. 14d
  • the guide rails 332 and 333 see Fig. 14d ).
  • This wooden lounger is designed in such a way that all connections are made using galvanization and holes that are permanently secured with wood glue. This is very ecological on the one hand and very advantageous for the manufacturing process on the other. However, the connections can also be made using screws in order to create simpler constructions that do not require galvanization. For loungers made of metal, screw or welded connections are used anyway.
  • a pad can be used on the lying surface, which can be either a standard foam mat covered with fabric or leather or a pad made of woven sheep's wool that can be easily attached using Velcro.
  • Velcro a pad made of woven sheep's wool that can be easily attached using Velcro.
  • Roll pads can also be used in the neck, back or knee area.
  • the present invention relates to a reclining device for variable adjustment of the position between a substantially horizontal position and an ergonomic sitting position, which comprises at least one right and one left side part, each of which is constructed from at least one outer side part 60 and one inner side part 80, a backrest element 90 and a seat element 91, which are rotatably connected to one another via a first bearing rod 102, and a foot part element 92, which is rotatably connected to the seat element 91 via a second bearing rod 103, wherein the foot part element 92 is mounted between the right and left side parts via a third bearing rod 104, and wherein the first, second and third bearing rods 102, 103, 104 are each mounted in a corresponding guide in the right and left side parts so that they can be moved in translation such that the backrest element 90, the seat element 91 and the foot part element 92 can be moved between a substantially horizontal position and an ergonomic sitting position are variably adjustable, and wherein the first bearing rod 102 is locked by a locking slide 70 in
  • This functionality can also be achieved by a pure push/pull movement of the bearing rod 103 on the slide 344, or as in Figure 16c and 16d on the slider 513 or slider 518.
  • the self-locking is also functional if the principle is reversed 180° and the roles (active and passive) of the components are swapped.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • Nursing (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
  • Seats For Vehicles (AREA)

Claims (9)

  1. Dispositif de couchage (1) permettant un réglage variable de la position entre une position sensiblement horizontale et une position assise ergonomique
    comprenant au moins
    un élément latéral droit et un élément latéral gauche, qui sont chacun constitués d'au moins un élément latéral extérieur (60) et un élément latéral intérieur (80),
    un élément de dossier (90) et un élément de surface d'assise (91), qui sont reliés l'un à l'autre de manière rotative par un premier palier (102),
    et un élément de repose-pieds (92) qui est relié de manière rotative à l'élément de surface d'assise (91) par un deuxième palier (103), l'élément de repose-pieds (92) étant monté entre les parties latérales droite et gauche par un troisième palier (104),
    et dans lequel le premier, le deuxième et le troisième palier (102, 103, 104) sont montés chacun dans un guide correspondant (82, 83, 84) dans la partie latérale droite et gauche de manière à pouvoir se déplacer en translation de telle sorte que l'élément de dossier (90), l'élément de surface d'assise (91) et l'élément de repose-pieds (92) puissent être réglés de manière variable entre une position sensiblement horizontale et une position assise ergonomique,
    et dans lequel le premier support (102) est bloqué par auto-blocage dans un fraisage de blocage (61 ; 524) dans au moins une partie latérale extérieure (60) par l'intermédiaire d'un coulisseau de blocage mobile (70 ; 344, 345 ; 513, 518), et dans lequel l'auto-blocage peut être supprimé par l'utilisateur par l'intermédiaire d'au moins un bouton manuel (50).
  2. Dispositif selon la revendication 1,
    caractérisé en ce que
    le premier palier (102) s'étend à travers un fraisage arqué (82) de la partie latérale intérieure (80) et est guidé et déplacé dans un trou oblong (71) du coulisseau de blocage (70) pour un réglage variable de la position entre une position sensiblement horizontale et une position assise ergonomique lorsque l'auto-blocage est supprimé au moyen du bouton manuel (50).
  3. Dispositif selon l'une des revendications 1 ou 2 précédentes,
    caractérisé en ce que
    le coulisseau d'arrêt (70) est guidé dans un guide (81) de la partie latérale intérieure (80).
  4. Dispositif selon l'une des revendications précédentes,
    caractérisé en ce que
    le coulisseau d'arrêt (70) peut être déplacé dans l'évidement d'arrêt (61) par actionnement du pommeau de la main (50) en supprimant l'auto-blocage, l'auto-blocage étant généré par un coincement du coulisseau d'arrêt (70) dans l'évidement d'arrêt (61) lorsque l'actionnement du pommeau de la main (50) par l'utilisateur disparaît.
  5. Dispositif selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    l'élément de dossier (90) est monté à rotation autour d'un axe de rotation (101) entre les parties latérales droite et gauche, l'axe de rotation (101) et le premier palier (102) déterminant la position de l'élément de dossier (90).
  6. Dispositif selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    entre les parties latérales droite et gauche, il est prévu, pour la stabilisation, une première barre (110), une deuxième barre (111) et une troisième barre (112) qui forment entre elles un triangle, et où la première et la troisième barre (110, 112) forment la base du triangle et constituent chacune un logement d'une roue pour le mouvement de roulement.
  7. Dispositif selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    au moins les parties latérales droite et gauche ainsi que l'élément de dossier (90), l'élément d'assise (91) et l'élément de repose-pieds (92) sont construits en bois.
  8. Dispositif selon l'une des revendications 1 à 6,
    caractérisé en ce que
    au moins les parties latérales droite et gauche ainsi que l'élément de dossier (90), l'élément de surface d'assise (91) et l'élément de repose-pieds (92) sont en matière plastique.
  9. Dispositif selon l'une des revendications 1 à 6,
    caractérisé en ce que
    au moins les parties latérales droite et gauche ainsi que l'élément de dossier (90), l'élément de surface d'assise (91) et l'élément de repose-pieds (92) sont construits en métal.
EP19700660.4A 2018-04-27 2019-01-10 Dispositif de couchette à réglage ergonomique Active EP3784090B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018003458.6A DE102018003458A1 (de) 2018-04-27 2018-04-27 Ergonomisch verstellbare Liegevorrichtung
PCT/EP2019/050522 WO2019206464A1 (fr) 2018-04-27 2019-01-10 Dispositif de couchette à réglage ergonomique

Publications (2)

Publication Number Publication Date
EP3784090A1 EP3784090A1 (fr) 2021-03-03
EP3784090B1 true EP3784090B1 (fr) 2024-05-29

Family

ID=65031047

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19700660.4A Active EP3784090B1 (fr) 2018-04-27 2019-01-10 Dispositif de couchette à réglage ergonomique

Country Status (4)

Country Link
US (1) US11337524B2 (fr)
EP (1) EP3784090B1 (fr)
DE (1) DE102018003458A1 (fr)
WO (1) WO2019206464A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI803397B (zh) * 2022-07-21 2023-05-21 施權航 電動床

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2807310A (en) * 1953-06-11 1957-09-24 John W Sellner Adjustable chair
DE3443374C2 (de) * 1984-11-28 1994-01-27 Porsche Design Gmbh Zell Am Se Verstellbares Sitz- und Ruhemöbel
DE8626550U1 (de) * 1986-10-04 1987-02-26 Nistac, Metallwarenfabrik Heinz Kettler GmbH & Co, 3050 Wunstorf Liegesessel
FI86792C (fi) * 1990-03-09 1992-10-26 Suominen Kersti H Soffa eller faotoelj med justerbart sittdjup
US6951037B2 (en) * 2002-08-23 2005-10-04 L&P Property Management Company Universal adjustable bed
DE10301326A1 (de) 2003-01-15 2004-07-29 Cimosys Ag Sitzmöbel, insbesondere Sessel
EP2925573B1 (fr) * 2012-11-28 2017-05-03 Key Safety Systems, Inc. Ceinture de sécurité
US10232744B2 (en) * 2016-01-12 2019-03-19 Rockwell Collins, Inc. Independent translating roller seat

Also Published As

Publication number Publication date
US20210227977A1 (en) 2021-07-29
DE102018003458A1 (de) 2019-10-31
WO2019206464A1 (fr) 2019-10-31
US11337524B2 (en) 2022-05-24
EP3784090A1 (fr) 2021-03-03

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