EP0098493B1 - Stuhl - Google Patents
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- Publication number
- EP0098493B1 EP0098493B1 EP83106237A EP83106237A EP0098493B1 EP 0098493 B1 EP0098493 B1 EP 0098493B1 EP 83106237 A EP83106237 A EP 83106237A EP 83106237 A EP83106237 A EP 83106237A EP 0098493 B1 EP0098493 B1 EP 0098493B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- seat
- profile
- chair
- leg
- legs
- 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
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Classifications
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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
- A47C1/12—Theatre, auditorium, or similar chairs
- A47C1/124—Separate chairs, connectible together into a row
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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
- A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
- A47C3/04—Stackable chairs; Nesting chairs
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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
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/002—Chair or stool bases
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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
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/62—Accessories for chairs
- A47C7/68—Arm-rest tables ; or back-rest tables
- A47C7/70—Arm-rest tables ; or back-rest tables of foldable type
Definitions
- the invention relates to a chair with at least the leg frame, seat and backrest, in which the legs are inclined to stack and in which the seat and backrest are fastened to the leg frame with connecting means.
- a stacking chair made of glass fiber reinforced plastic is known in practice (so-called Bofinger chair), in which four legs are integrally formed on the one-piece seat and backrest shell in such a way that the front legs start in the corners of the seat surface, while the rear legs are slightly outside the seat side edge lines are formed so that they are slightly further out than the front legs. All legs are angular in profile with the roof edge pointing towards the center, so that they can interlock when stacked.
- This chair can be used as a stacking chair, but not as an add-on chair, because the legs are slanted outwards and there are larger gaps between the seats.
- a similar but one-piece shell chair is known from AU-A-472 411.
- the closest chair construction is known from French patent 593 358, which shows the features according to the preamble of claims 1 and 2.
- This chair has a leg frame, seat and backrest.
- the legs are slightly inclined to stack.
- the seat and backrest are attached to the leg frame with connecting means.
- the seat width corresponds approximately to the width of the leg frame.
- the seat is excluded in the far-out corner areas depending on the position and size of the legs.
- legs made of metal profile with a cross section are arranged under the seat, which is designed such that the upper leg engages in the lower leg when stacked.
- These legs require a special sheet metal profile design that can only be produced with complex deep-drawing tools or the like.
- the invention has for its object to provide a chair that is designed both stackable and stringable and can be placed very closely next to the next chair in a row with the widest possible seat and also stable when stacked as vertically as possible should be stackable and should be as similar as possible to a chair not intended for stacking and lining up and the frame parts of which are optimized with great stability in terms of manufacture, use of materials and use.
- the metal profile of the slender legs has a cross section which is dumbbell-shaped in such a way that, when stacked, the thickening of the dumbbell-shaped cross section of the upper leg engages in the indentation of the dumbbell-shaped cross section of the lower leg.
- the seat extends beyond the width of the leg frame.
- the corner areas in which the legs also pierce when stacked from above, in particular also in the rear area, are excluded, that is to say cut off or omitted, so that these areas are free.
- a shape is selected which, with rough stability, that is to say a favorable moment of area inertia, has areas which are closer to the central axis, so that the further protruding thickening is achieved by appropriate inclined arrangement of the legs can intervene in the indentations when stacked.
- Such a leg frame can be easily bent from tubes that are easy to manufacture and can be connected with simple and inexpensive means under the seat and with the backrest. Since it is preferably a tubular frame, the relatively large outlay for large-volume die-cast parts or sheet metal parts can be avoided and, nevertheless, an aesthetically interesting appearance deviating from the usual round tube and square tube or rectangular tube can be achieved.
- the leg frame can be designed in many ways using the appropriate metal profile if only the legs, as described above, protrude slightly beyond the cut-out corner areas.
- connection between the leg frame and the seat can be made in a variety of ways, for example by form-fitting engagement elements or devices with rear hooks and the like.
- the connecting means can contain screws, rivets or locking bolts arranged slightly to the inside of the corner bevel under the seat. This enables attachment on a large support base.
- the backrest and seat can be designed, for example, as a one-piece shell or have a one-piece shell as the basis for the assembly of the upholstery. Then it only needs to be attached to the leg frame.
- connection and supporting parts made of die-cast aluminum holding the seat and backrest are arranged, to which seat and backrest are separately fastened and which have integrally formed cylinder lugs by means of which they are fastened, preferably with screws, to the leg frame.
- These connecting and supporting parts are designed on both sides of the chair in such a way that a fastening and seat support leg extends approximately horizontally below the edge of the seat side. It is adjoined by a transitional part projecting obliquely to the rear, which merges into a back support leg, which has fastening means for the backrest.
- connection and support part is relatively small and can therefore be inexpensively made in a suitable molding process from die-cast Aluminum are made and have the mounting holes or the threaded pin and the like. It is then screwed to the leg frame, for example, and you can attach a suitably upholstered seat and backrest or simple, perforated sheet metal or similar molded parts as a seat and backrest to the partially manufactured chair, depending on the customer's wishes.
- the connecting and supporting part is made of die-cast aluminum, it can be manufactured easily and inexpensively despite the relatively complicated shape and, despite great stability, is light in weight and, moreover, as a central element, it can be used as a central element in all connection means requiring precise design and processing in a very small size Component included and thus has a multiple function with regard to requirements that are distributed among different components in known chairs. Due to the integrally formed cylinder lugs, the multiple function of the connecting and supporting parts can be used to determine the relative inclination to one another, particularly for a favorable connection to the tubular steel frame. Further configurations of the connection and support parts made of die-cast aluminum are easily possible.
- the connecting and supporting parts can also be adapted exactly to the profile shape of the seat and backrest in the edge area and / or suitable for the connection of further elements and designed with sufficient local firmness.
- the leg frame made of flat tube profile despite its larger extension, is also relatively light in weight with particularly good stability, but above all simple shapes and offers simple and inexpensive manufacturing options.
- the connecting means between the leg frame and the seat are expediently designed as screws, rivets or locking bolts arranged within the boundaries of the chamfered corner areas under the seat.
- CH-A-438 616 shows connecting brackets made of cast aluminum for the rigid connection of the seat shell and backrest shell. However, these are inserted into receiving recesses which are closed on all sides except for the insertion opening in the edges of the seat shell and backrest shell. They are only suitable for specially designed seat shells made of plastic molded shells, but they do not allow the variable design of the seat and backrest and their free support and versatile attachment that corresponds to the respective requirements. In addition, they are only available as round tube brackets together with long aluminum castings for two V-shaped leg pair parts outside the seat side edges and another, in which they are complex to manufacture separate, large shape to be manufactured horizontal connecting bridge. They are not suitable for connecting other elements required for the stacking chair.
- the angle parts for holding the seat and backrest according to GB-A-1 239 030 are only suitable for interchangeable seats and backrests to a limited extent because they have open grooves on the inside, into which outwardly projecting holding rails of seat shells and backrest shells engage. For this reason alone, they do not enable a seat that spans the entire width of the chair. Nor do they enable the seats and backrests, which are designed in a variety of ways, to be optionally placed on.
- the angular parts on one level, as with the other treated chairs, do not allow legs to be stuck inwards in relation to the seat side edges when stacking next to the holding elements of the seat and backrest.
- a particularly easy to manufacture stable and easy to connect to the seat and backrest design provides that the leg frame consists of two flat tube parts, each with two bent down legs and a possibly multiple bent connector under the seat, both parts under the seat are connected to each other and carry the connection means for the seat and backrest. Other components can also be used to connect the leg parts to one another.
- the design is particularly simple and stable, however, if the two frame parts are welded to one another in the area of parallel connecting pieces and each have an angle on one side in the direction of the corner of the seat and an angle of the leg there.
- a straight piece of pipe only needs to be angled four times and only two identical parts need to be welded together to create an appealing, stable and light stacking leg frame.
- dumbbell-shaped flat profile in particular flat tube profile.
- it can be designed in the manner of a gun barrel and z. B. be composed of partial circles, for example consist of two approximately three-quarter circles and intervening inward curved quarter or third circles. This rounded profile is not prone to bulging and can support the high loads cheaply even with low material requirements.
- the flat tube profile can also be formed from two squares facing one another, the corners turned towards one another merging. You can also form the flat tube profile from two directly adjoining hexagons or from octagons with corresponding connecting bars.
- the profile tubes can be formed from flat sheet metal in the rolling and rolling process and, above all, longitudinally welded in the area of the indentation. You can also deform a seamless pipe accordingly.
- Stacking supports are usually provided in the area of the seat on the seat and / or leg frame for stacking.
- the special leg design with the stackable metal profile which, like any metal chair, requires a glider at each end of the leg, allows this to be used as a stacking support element at the same time, since the legs have insertable gliders that are designed to match the tubular profile and that fit the profile and reach the stacking support surface
- Have stack support pin which is integrally formed on the lower connection and support plate of the slider.
- the end of the pipe base can be combined with the support during stacking with an element that is easy to produce in the plastic injection molding process, which is advantageous in terms of production and assembly technology and also in terms of price.
- the slider plug-in pins or stacking support pins can have latching hooks which engage in recesses cut out in the leg profile, so that they are held captive and can also support the stack weight well.
- a push-in tab can engage in the glider and can be screwed to the floor.
- the glider can have a recess, so that the chairs can be fixed immovably in a room or in a garden with simple means.
- connection and support part or the leg frame or the seat shell in the In the area of the center of the seat side edge a fastening profile serving to overlap, which, in addition to a seat support fold, has a supporting part which is roof-shaped in cross section, the outer edge of which merges into a fixing surface which is at least approximately 100 ° to 105 ° to the outside roof slope or at 10 ° to 15 ° runs to the inner sloping roof and merges into a vertical screw hole leg.
- This profile can form a good smooth edge area of the seat frame or its connecting and supporting part that protects against impact and abrasion of the seat cover, without the need for an armrest.
- a row connection can also be screwed onto the vertical screw bore leg without an armrest.
- an interchangeably fastened armrest can be provided, which in the lower area has an overlapping profile corresponding to the fastening profile, which has a sufficient support width or at least spaced support surfaces, and a central bore is provided through which a single clamping screw grips that clamps the entire armrest to the fastening profile.
- the connecting and supporting part with the vertical screw bore leg can, if necessary, be attached to a row connecting element, which is designed, for example, like a U-shaped profile, one leg of which is shaped into two flat pins, which go up on one side of the chair and down on the other side are directed below and are assigned corresponding recesses in the web profile.
- a further embodiment of the invention provides that the modular connection consists of an im
- the middle area of the chair-side section consists of metal or plastic, which has two spaced apart flat pins, between which a V-shaped recess with a rounded base remains, and the bottom area is preferably equipped with openings for the flat pin tips of the adjacent element.
- a V-recessed element can be used for any baying connection.
- an armrest chair For connection to an armrest chair it is assigned a hanging collar part through which the fastening screw of the armrest extends in such a way that the collar protrudes by the flat pin thickness over the outer surface of the armrest fastening in such a way that the collar part from above or below into the rounded V-recess of the neighboring one Chair can be hooked. So only a longer screw with a small cylinder part and a larger washer or a correspondingly manufactured collar part needs to be attached to the armrest chair and it can be attached to simple chairs with the connecting elements by simply hanging in, the distance between the chairs not increasing zti are needed. Then the middle of the armrest can lie above the outer edge of the foot, so that there is always an armrest in the middle between the chairs.
- the armrest expediently protrudes outwardly from the fastening part with the cross connection upward support arms, which merge into bearing elements for a pivotable armrest.
- a swiveling armrest is known from DE-U-8 103 946. This is used to fold up to a narrower dimension for stacking chairs. For this purpose, it can be pivoted on a one-armed support part by means of a longitudinal pin and can be locked and unlocked by axial displacement. The storage for this is relatively complex and the armrest must be made very stable because it is only supported on one side. In one embodiment of the invention, a two-sided support with a simple pivot bearing and a simple latching lock is to be made available.
- the pivot bearings have outwardly projecting bearing journals, on which the receiving recesses of a plastic armrest, which is sufficiently elastic for assembly, but sufficiently rigid for use, are seated and assigned stop surfaces for the horizontal position and the vertical position are and in the area of one end of the armrest an engagement catch connection is provided, which is associated with an elastic lifting bearing such that the pivotable armrest has an elongated, vertically lying in the horizontal position slot, in which a lifting and pivoting element formed of highly elastic plastic is arranged is, which has a slightly offset from the center upward bearing bore for the bearing journal such that the slightly larger lower part of the lifting and pivoting bearing element is deformable for unlocking and the armrest can be raised thereby.
- such a swivel bearing with lifting lock has only a single additional part, namely the lifting and pivoting bearing element, and furthermore does not require any bearing pins or fixing elements, but can be of a suitable size and material value appropriate dimensioning from the standard prefabricated parts are simply put together and is then easy to use and can be easily pivoted into the two positions.
- the chair shown in the figures is provided with decimal digits from .1 to 5 to differentiate its design variants. These are omitted from general treatises for the sake of simplicity, since the basic structure of all chairs is the same.
- the chair 50 consists of a leg frame 51, a seat 52, a backrest 53 and two connecting and support parts 55.1 and 55.2 arranged symmetrically to the vertical center plane 54 of the chair.
- the seat 52 has a seat width 57 and the leg frame has a leg frame outer width 58. As illustrated in FIG. 1, these are almost the same, so that the legs 65 are arranged under the seat 52 and not to the side of the seat as in conventional stacking chairs.
- the seat 52 is, as can be seen in the plan from FIG. 3, approximately octagonal in shape with sides of unequal length, so that the corner regions 52.1 to 52.4 are cut out or cut off, while the front boundary line 52.5 and the rear boundary line 52.6 are slightly rounded.
- the side edges 52.7 and 52.8 are straight and parallel to each other.
- the seat 52 can be designed as a profiled wooden shell or plastic shell, as a padded wooden or plastic shell or as a profiled sheet metal shell or, as can be seen in FIG. 6, as a perforated sheet metal shell.
- the connecting and supporting part 55 is best seen in FIG. 5.
- One is provided on each side. It extends the profile of the seat side edges 52.7 and 52.8 and the boundaries 52.9 of the bevels of the corner areas 52.3 and 52.4 initially with a fold 125 under the seat shell and represents the outer boundary of the seat with its outer edges.
- the Corner areas 52.3 and 52.4 adjoin the approximately horizontal fastening and seat support leg 55.3 and the seat holding part 55.4 is followed by a transversely projecting transition part 55.5 which merges into the back support leg 55.6, which roughly follows the outer contour of the backrest 53.
- the backrest 53 is shaped here similar to the layout of the seat 52 and has an octagonal basic shape with uneven sides, parallel outer edges, corner areas cut off at approximately 45 ° and slightly rounded top and bottom edges. It is narrower than the seat 52.
- the back support leg 55.6 of each connecting and supporting part 55 extends essentially only along the lower corner slope and approximately to the middle of the parallel side edges. Suitable connecting means, such as screws 59, are used to fasten the backrest shell.
- the connecting and supporting parts 55 have under their horizontal fastening and seat support legs 55.3 and 55.4 cylinder lugs 55.7, which are arranged slightly inward to the oblique boundary line of the corner recesses 52.1 to 52.4 and have receiving holes for screws 60 for fastening to the leg frame 51 as components of the connecting means . Rivets or locking bolts or the like can also be used here. 3, four fastenings are provided, which are indicated by the crosses 60.1. There are the cylinder lugs 55.7.
- This consists of two flat tube parts which, as illustrated on the left in FIG. 3, each have a horizontal connecting piece 62 running normal to the vertical center plane 54, from which towards the respective corner is angled an angled region 63 in the bend 64, which extends in a straight line under the fastening 60 through to the beveled corner region 52.1 to 52.4.
- There the leg 65 is angled downward at 66 (FIG. 30). As illustrated in FIG. 1, it has a practically vertical course downward in the front view, while in the side view — as illustrated in FIG. 2 — it is inclined outward at an angle 67 of approximately 12 ° to the vertical.
- the flat tubes consist of sheet steel tubes with a special profile. This profiling is designed and arranged in a special way to achieve high stability with good stacking possibility and low stacking height.
- the major axis 71 lies approximately at 45 ° to the longitudinal axis 54 of the chair.
- FIGS. 8 to 11 Some possible and meaningful profile shapes are shown in FIGS. 8 to 11, two adjacent profiles, as they come together when stacking, are shown.
- the profile of FIG. 8 corresponds to that of the chair representations in the other drawings, while the profiles of FIGS. 9 to 11 represent design variants which are not shown in the other drawings, but whose profile can also be used to design the legs.
- this interlocking design saves a considerable amount of stacking space, because the inclination of the legs would have a considerable effect on the height by a few millimeters.
- the legs of chairs stacked one against the other fixed by the interlocking and further fixing means can be dispensed with.
- the leg gets a very slim appearance with a very high level of stability and still has the favorable, shell-like reinforcement properties that otherwise usually have round tubes.
- the profile is also favorable for the deformation in the corners 64 and 66 when bending, but offers good stability properties after the deformation.
- the flat tube profile 70.1 is bent and rolled from sheet metal and welded together, it is expedient to weld it in the indentation 73 at 74 by means of a longitudinal seam.
- the distance between the center of the circle 75 of the two thickenings is expediently 21 mm, while the outer radius of the thickening and the inner radius of the indentation are approximately 8 mm.
- Such a profile can be produced endlessly, simply cut off and well bent and welded in order to economically create the leg frame 51.
- the flat tube profile 70.3 according to FIG. 10 is also designed with thickenings and indentations, namely namely that two squares directly adjoin one another and their side walls 86.1 and 86.2 lying in the region of the indentation 85 are each directly connected either by bending or welding. These profiles also interlock very well and with a small distance between their axes.
- FIG. 11 illustrates a further profile 70.4, the thickenings 87 being formed by equilateral octagons, the mutually facing walls of which are omitted and which are connected in one piece with connecting walls 88 of equal length in the region of the indentation 89 and can be welded to one another at a suitable internal point.
- the thickenings 87 being formed by equilateral octagons, the mutually facing walls of which are omitted and which are connected in one piece with connecting walls 88 of equal length in the region of the indentation 89 and can be welded to one another at a suitable internal point.
- All the profiles discussed above have approximately the shape of dumbbells in the plan, which is why this term was used in the main claim.
- each leg 65 of the leg frame 51 made of the dumbbell-shaped flat tube profile 70 is to be closed off with a slider 90 in order to ensure damage-free support of the tube end on any floor in question.
- Such sliders are usually made of plastic by injection molding and provided with insertion pins for the pipe end.
- a special design has been chosen which serves several purposes and which is adapted to the stackable flat tube profile 70.
- the slider 90 has a connection and support plate 91, the base and contact surface 92 of which is inclined to the pipe end surface 65.2, which is normal to the pipe axis 65.1, in accordance with the inclination of the legs 65 at angles of 7 ° to 12 °, as can be seen from the figures .
- semicylindrical insertion pins 93 are provided so as to protrude. These are inserted into the pipe end. In this respect, the construction is common, except for the adaptation to the pipe profile.
- the connecting plate and support plate 91 serving as the base plate is widened on the outside via the indentation 73 of the tubular profile 70 approximately triangularly at 94 and here carries a stacking support pin 95 which fits to the profile of the dumbbell-shaped flat tube 70 of the leg 65 and adapts to it with formation fits an internal recess 95.1. It ends at the top in a correspondingly inclined stacking support surface 96, which is also inclined according to the lower inclination, so that the feet can be supported on it when stacking, as can be seen from FIGS. 12 and 13.
- the distance 96.1 of the lower base and support surface 92 from the stacking support surface 96 is approximately 90 mm, which corresponds to the low stacking height of the chairs.
- the stacking support pin is located in a tube area in which it does not interfere with taste or use. However, it lies with sufficient wall thickness in the support area of stacked feet. Since it is of relatively long design, it could tend to pivot out when the material is not sufficiently stable or the insertion pins 93 are too short. For this reason, it has a profile-matching inner region on its head 97, on which a latching hook 98 with a latching lug 98.1 is formed. At a corresponding point, a correspondingly large and shaped recess is punched out in the tubular profile, into which the latching hook 98 with its latching lug 98.1 can be snapped into place. The inserted slider 90 is not only properly secured against being pulled out, but also against tipping sideways.
- the slider 90 In its lower region, the slider 90 has an insertion recess 99 into which a twice angled insertion tab 100 can be inserted and screwed through the tab hole 101 with the aid of a screw 102 into a dowel 103 in the floor, if this is desired. Because of the relatively wide and sufficiently thick design of the foot of the slider 90, there is sufficient space to provide such an insertion flap 100 which is also secured against lateral pulling out.
- the chair described above can, if necessary, be equipped with armrests and / or bay connecting elements.
- FIGS 21 u. 29-35 illustrate how chairs 50 can be connected together by baying connectors 110.
- a basic connection element 110 similar to the previous elements of this type, but somewhat more specifically designed, is provided, which is particularly evident from the perspective representations. It has a base body 111 with a contact surface 112, which is adapted to the outer profile of the seat or the connecting and supporting part 55, and has in the middle a screw hole 113 through which it is connected to the connecting and supporting part 55 with a single screw 114 is screwed tight.
- the connecting and supporting part 55 has in its edge region a fastening profile with a supporting part 55.8 which is roof-shaped in cross section, the outer surface 55.82 of which is angled and merges into a fixing surface 55.83, to which a vertical leg 55.9 is connected, in which a bore 108 for receiving the screw 114 is also included a profile-fitting recess for a nut 109 is provided.
- This angled arrangement of the surface 55.83 and the vertical leg 55.9 is followed by the outer contour of the base body 111 of the bay connection element 110. As can be seen from FIGS.
- the contact surface 112 of the bay connection element 110 is mirror image or rotationally symmetrical to the screw hole 113, that is to say on both sides beveled in accordance with the angle of the fixing surface 55.83, so that the bay connection element 110 can be mounted on the envelope, that is to say once with the tips of the flat pins 115 upwards and on the other side with the tips of the flat pins downward.
- the bore 108 for the screw 114 is arranged in an approximately square-prismatic thickening part 55.91 of the vertical leg 55.9, while the rest of this has a smaller wall thickness.
- This thickening part 55.91 serves as an eye and has a width of approximately 16 mm.
- two pins 112.1 are formed as an assembly aid and anti-rotation aid on the bay connecting element 110, which lie next to the thickening part 55.91 of the vertical leg 55.9.
- Two flat pins 115 are formed on the bay connecting element, forming a slot 119 in the manner of a U-shaped profile, which leave a V-shaped recess 116 between them with a rounded base 116.1. They are connected to the base body 111 via a base region 117 and small transverse walls 118, so that there is good stability for the flat pins even with a relatively small wall thickness.
- two suitably arranged and dimensioned recesses 117.1 are provided, into which the flat pin tips 115.1 can enter if the baying connection is made with two identical baying connection elements mounted in opposite directions. In this respect, it is a type of bay connection that is known from the basic principle, but not from the structural design.
- the attachment can take place either from above or from below, depending on how the row connecting element 110 is mounted. Since chairs are usually provided with armrests on both sides and are then alternately connected to chairs without armrests when attached, the chairs with armrests also carry the hanging collar parts 120 on both sides and can be arranged because of the symmetrical and foldable and otherwise adapted arrangement of the Hinged connecting part 110 can be connected to each armrest-free chair. All that is required is a longer screw and the simple hook-in collar part on the armrest chair. This is in the rest in a recess 132 of the armrest 130 of sufficient size so that the engagement with the flat pin 115 can be made properly, but on the other hand, the hanging collar part does not protrude beyond the outer edge 133 of the armrest 130.
- the armrest attachment is otherwise designed as described below.
- the Armrest 130 can be attached to the chair 50 described above either at any time during manufacture or later.
- the armrest 130 has a fastening part 135, the clamping leg 131 and trough 132 have already been mentioned.
- Raised from the fastening side 135 are approximately V-shaped, upwardly striving support arms 136, on which a pivotable armrest 138 is mounted with the aid of pivot bearings 137.
- the pivotability is necessary for stacking and to enable the arrangement in the middle above the outer edge 90.1 of the seat and is dealt with below. As can be seen from the side views of the chairs, in particular FIG.
- the fastening part 135 has a certain width dimension 139 of approximately at least 90 mm, so that a secure and wobble-free fastening is possible with the single screw 114.1.
- the fastening part 135 has, as can be seen in FIG. 35, an overlapping profile 141 which is adapted to the roof-shaped profile of the supporting part 55.8 and has two overlapping lugs 142 spaced apart from one another or a longer overlapping profile.
- the outer roof surface 55.82 is arranged at 90 ° to the inner roof surface 55.81 and merges into a fixing surface 55.83, which is inclined by approximately 15 ° to the inner roof surface 55.81, so that a wedge results and the overlap profile 141 fits snugly can be pushed on and when tightening the screw 114.1, which protrudes through the clamping leg 131, is held firmly and permanently in place.
- the connection and support part 55 has a seat support fold 125 on the inside, on which the seat shell is placed and fastened with suitable screws or the like.
- the profile design for the seat limitation is also favorable for normal use without connecting an armrest, because it forms a stable edge protection and still does not hinder when sitting, especially since the seat is especially designed because of the special design of the entire chair this area can be made very broad.
- the profile is also designed so cheap that if it is manufactured in the aluminum die casting process or another suitable process, an armrest which has not been processed further can be attached and fastened with a single screw even with the formation of a baying connection.
- FIGS. 27 and 28 show stacking chairs with row connections and, instead of an armrest, a pivotable writing plate 170.
- a fastening part 135 with V-shaped support arms 136 is provided only on the right side.
- joint elements 171 with pivot axes 172 and stops for the writing plate 170 are attached.
- the writing plates and their swivel mounting are designed in the usual way, but they are equipped with the inventive design of the attachment, as described for the armrests.
- these writing plates 170 are also mounted in such a way that the chairs can be stacked.
- the stops for the writing plate are designed accordingly and the fastening elements 135 and the support arms 136 engage in the same way.
- Such chairs when strung together, are strung together in the same form, each with a writing surface, or can also be strung together with an armrest chair and then an armrest-free chair.
- they have a bay connection element 110 with a flat pin 115 on the side that is not equipped with a pivotable writing surface, here the left side of the chair, if this is desired.
- Stacking chairs which should have armrests, as described and shown with the stacking chairs 50, expediently have an armrest exactly above the outer edge 90.1 of the foot, so that the armrest 138 lies exactly between two chairs when they are lined up and can be used optionally.
- An armrest must have a certain width so that it can be used to comfortably support the arms. However, it is then in the way when stacking.
- the armrests can also be designed to be stackable one inside the other, which is why their upwardly projecting support arms 136 are arranged in a V-shape, so that the fastening parts 135 lie between the support arms 136 of the respective lower chair.
- the support arms 136.1 and 136.2 have attached bearing ends 150.1 and 150.2 which run parallel to one another at the top. These are designed with outward-facing journals 151.1 and 151.2 and, moreover, have a head design, which can be seen in the drawings, with stop faces 152.1 and 152.2 for the horizontal position and the vertical position and with a corner rounding 153 and are otherwise designed such that a base shape U- shaped or one-sided open box-shaped swivel armrest 138 it can overlap.
- the pivotable armrest 138 is ribbed on the inside and is box-shaped with slightly elastic bearing legs 155.
- the bearing leg 155.2 has only one bearing recess 156, which corresponds to the size of the bearing journal 151.2.
- the end wall 157 designed to be comfortable to hold, is separated from the bearing leg 155 by a gap 158 for the elastic deformation thereof.
- the ribbing, wall thickness and other design of the pivotable armrest, which is made of a suitable plastic, is to be selected so that the bearing legs 155 can be pushed over the bearing journal 151.
- a locking lug 161 is formed, which is assigned a locking recess 162 in the pivotable armrest 138, which is delimited by a locking rib 163.
- the bearing leg 155.1 is designed with a long recess 164.
- a highly elastic plastic part which is designed as a lifting and pivoting bearing element 165 and is designed, for example, from a silicone rubber of approximately 50 ° shore, as can be seen from the drawings.
- the lifting and pivoting bearing element 165 has a bearing recess 166, in which the bearing pin 151.1 rotatably engages and which is offset upwards relative to the center, so that a lower compressible part 165.1 results.
Landscapes
- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Chairs Characterized By Structure (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
- Fuel Cell (AREA)
- Sorption Type Refrigeration Machines (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT83106237T ATE38316T1 (de) | 1982-07-02 | 1983-06-27 | Stuhl. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19823224812 DE3224812A1 (de) | 1982-07-02 | 1982-07-02 | Stuhl |
DE3224812 | 1982-07-02 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0098493A2 EP0098493A2 (de) | 1984-01-18 |
EP0098493A3 EP0098493A3 (en) | 1985-03-06 |
EP0098493B1 true EP0098493B1 (de) | 1988-11-02 |
Family
ID=6167482
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP83106237A Expired EP0098493B1 (de) | 1982-07-02 | 1983-06-27 | Stuhl |
Country Status (8)
Country | Link |
---|---|
US (1) | US5002337A (ja) |
EP (1) | EP0098493B1 (ja) |
JP (1) | JPS5971709A (ja) |
AT (1) | ATE38316T1 (ja) |
AU (1) | AU1619083A (ja) |
CA (1) | CA1209896A (ja) |
DE (2) | DE3224812A1 (ja) |
ZA (1) | ZA834586B (ja) |
Families Citing this family (50)
Publication number | Priority date | Publication date | Assignee | Title |
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AU593092B2 (en) * | 1986-04-17 | 1990-02-01 | Email Furniture Limited | Ganging furniture |
DE3633696A1 (de) * | 1986-10-03 | 1988-04-14 | Froescher August Gmbh Co Kg | Stuhl |
JP2738907B2 (ja) * | 1993-12-27 | 1998-04-08 | コクヨ株式会社 | 椅 子 |
US6234571B1 (en) * | 1999-10-22 | 2001-05-22 | Mity-Lite, Inc. | Indexing seat for folding chair |
US6338528B1 (en) | 2000-03-22 | 2002-01-15 | Michigan Tube Swagers & Fabricators, Inc. | Combination stiffener and ganger bracket for chair |
DE10048778A1 (de) * | 2000-09-29 | 2002-04-18 | Stoll Sedus Ag | Stapelbarer Stuhl |
ITTO20010576A1 (it) * | 2001-06-15 | 2002-12-15 | Pro Cord Spa | Sedia con tavoletta da scrittura. |
US7118175B2 (en) * | 2001-09-05 | 2006-10-10 | Vendor Development Group | Securely stacking bar stools |
US6749259B2 (en) * | 2002-04-24 | 2004-06-15 | Michigan Tube Swagers & Fabricators, Inc. | Ganging device for stackbar of stackable chair |
USD477926S1 (en) | 2002-05-29 | 2003-08-05 | Lifetime Products, Inc. | Chair |
USD466712S1 (en) | 2002-07-17 | 2002-12-10 | Lifetime Products, Inc. | Chair |
USD472723S1 (en) | 2002-07-23 | 2003-04-08 | Lifetime Products, Inc. | Chair frame |
USD472745S1 (en) | 2002-07-23 | 2003-04-08 | Lifetime Products, Inc. | Chair back and seat |
USD481549S1 (en) * | 2003-03-28 | 2003-11-04 | Cocso Management, Inc. | Chair frame portion |
USD508339S1 (en) * | 2003-05-16 | 2005-08-16 | Lifetime Products, Inc. | Chair |
US7017990B2 (en) * | 2003-07-17 | 2006-03-28 | Cosco Management, Inc. | Stackable chair with chair ganger apparatus |
US6866338B2 (en) * | 2003-07-17 | 2005-03-15 | Cosco Management, Inc. | Chair stacker apparatus |
US7111902B1 (en) * | 2004-06-24 | 2006-09-26 | Irwin Seating Company | Folding chair with ganging elements |
CA2574708C (en) * | 2004-08-05 | 2011-03-01 | Wenger Corporation | Music posture chair seating |
US7806473B1 (en) | 2005-11-21 | 2010-10-05 | Faiks Frederick S | Stackable chair and framework therefor |
US7552968B2 (en) * | 2005-12-12 | 2009-06-30 | Mity-Lite, Inc. | Feet for stacking chair |
US7404607B2 (en) * | 2006-01-04 | 2008-07-29 | Vendor Development Group | Easy assembly barstool |
NL1032708C2 (nl) * | 2006-10-20 | 2008-04-22 | Casala Meubelen Nederland B V | Stoel en werkwijze ter vervaardiging daarvan. |
US20080315646A1 (en) * | 2007-06-21 | 2008-12-25 | Koh-Tuang Hock | Chair capable of being firmly stacked |
US20080315645A1 (en) * | 2007-06-21 | 2008-12-25 | Koh-Tuang Hock | Chair capable of being firmly stacked |
US8011707B1 (en) | 2007-08-06 | 2011-09-06 | Carlton Summers | Coupling assembly for transporting wheeled chairs and associated method |
US7654617B2 (en) * | 2008-06-06 | 2010-02-02 | Mity-Lite, Inc. | Flexible chair seat |
US8033612B2 (en) | 2008-12-24 | 2011-10-11 | Mity-Lite, Inc. | Comfortable mesh folding chair |
US8454093B2 (en) * | 2008-12-24 | 2013-06-04 | Mity-Lite, Inc. | Mesh chair with open-end hoop |
US8322787B2 (en) * | 2008-12-24 | 2012-12-04 | Mity-Lite, Inc. | Clamping joint for a chair |
US8317269B2 (en) * | 2008-12-24 | 2012-11-27 | Mity-Lite, Inc. | Mesh stacking chair |
USD648554S1 (en) | 2009-11-04 | 2011-11-15 | Mity-Lite, Inc. | Mesh stacking chair |
USD660612S1 (en) | 2010-11-16 | 2012-05-29 | Mity-Lite, Inc. | Mesh banquet chair |
US9261123B2 (en) * | 2011-04-01 | 2016-02-16 | Best Chairs Incorporated | Ganged furniture connector |
US20140145480A1 (en) | 2012-11-26 | 2014-05-29 | Lifetime Products, Inc. | Chair |
US20140152059A1 (en) * | 2012-12-05 | 2014-06-05 | Michigan Tube Swagers & Fabricators, Inc. | Ganging device for chair |
ITPD20130083A1 (it) * | 2013-04-05 | 2014-10-06 | Cerantola S P A | Sedia con struttura di telaio ad elementi tubolari |
USD751329S1 (en) | 2013-11-25 | 2016-03-15 | Lifetime Products, Inc. | Chair |
DE102014101825A1 (de) * | 2014-02-13 | 2015-08-13 | Bernd Gauger | Gestellmöbel mit Trägergestell |
US9504329B2 (en) | 2015-04-08 | 2016-11-29 | Adams Mfg. Corp. | Stackable molded plastic rocking chair |
DE102016106236A1 (de) * | 2015-04-16 | 2016-10-20 | Sico Incorporated | Hockersitz |
JP2017052263A (ja) * | 2015-09-10 | 2017-03-16 | プロウエル カウンター コーポレーション | 自動平行移動型板の組立体、自動平行静止型板の組立体及びその射出装置 |
USD784038S1 (en) | 2015-11-03 | 2017-04-18 | Mity-Lite, Inc. | Stacking chair |
USD779222S1 (en) | 2015-11-03 | 2017-02-21 | Mity-Lite, Inc. | Stacking chair |
USD779221S1 (en) | 2015-11-03 | 2017-02-21 | Mity-Lite, Inc. | Stacking chair |
US10010178B2 (en) | 2015-11-05 | 2018-07-03 | Mity-Lite, Inc. | Stacking chair |
US10368638B2 (en) * | 2016-05-16 | 2019-08-06 | Virco Mfg. Corporation | Multi-component reconfigurable furnishing assembly |
USD839651S1 (en) * | 2016-10-10 | 2019-02-05 | Krueger International, Inc. | Classroom chair seat |
US10588414B2 (en) * | 2018-06-08 | 2020-03-17 | Series International, Llc | Chair frame with injection molded foam padding |
CA3155233A1 (en) | 2021-04-14 | 2022-10-14 | Adams Mfg. Corp. | Stackable molded plastic rocking chair |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1408114A (en) * | 1920-07-13 | 1922-02-28 | Mathieu Joseph | Chair, table, and the like |
US3276818A (en) * | 1966-10-04 | Chair construction | ||
DE2149542A1 (de) * | 1969-10-10 | 1973-06-20 | Caruso Jerome Carmel | Sitzmoebel, insbesondere stuhl |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
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FR593358A (fr) * | 1925-02-03 | 1925-08-21 | Pied et dossier de sièges superposables, permettant sans démontage, ni pliage, d'entasser ces meubles sous un faible volume | |
GB953249A (en) * | 1962-02-19 | 1964-03-25 | Cox Of Watford Ltd | Improvements in or relating to chairs |
US3156498A (en) * | 1963-05-06 | 1964-11-10 | Miller Herman Inc | Stacking chairs |
DE6602781U (de) * | 1963-10-10 | 1969-08-28 | Architekt Till Behrens | Vorrichtung zur befestigung von moebeln bei aneinanderreihung und stapelung |
CA815879A (en) * | 1964-05-01 | 1969-06-24 | C. Albinson Don | Utility chairs |
US3276813A (en) * | 1964-07-14 | 1966-10-04 | Pittsburgh Plate Glass Co | Glare shielding and instrument viewing arrangement |
CH438816A (fr) * | 1966-06-02 | 1967-06-30 | Diamor S A | Article pour fumeurs |
DE1960404U (de) * | 1966-11-18 | 1967-05-18 | Wilkhahn Wilkening & Hahne | Stuhl. |
CA872607A (en) * | 1967-09-12 | 1971-06-08 | Anonima Castelli S.A.S. Di Cesare Castelli And C. | Knock-down chairs |
GB1239030A (ja) * | 1967-09-12 | 1971-07-14 | ||
DE6926767U (de) * | 1969-07-04 | 1970-02-05 | Schmidt Gmbh Eugen | Stapelbarer sessel |
DE2035974A1 (de) * | 1970-07-20 | 1972-01-27 | Adam Stegner Moebelfabrik U Sa | Stapelbare Stuhleinheit |
US3712668A (en) * | 1971-01-21 | 1973-01-23 | Vecta Group | Stackable chair with foldable tablet arm |
US3758155A (en) * | 1972-03-16 | 1973-09-11 | Interlake Inc | Gang chair construction |
GB1444357A (en) * | 1972-10-24 | 1976-07-28 | Gpg Holdings Ltd | Seats |
DE2427147B2 (de) * | 1974-06-05 | 1976-06-10 | Gebr. Thonet Ag, 3558 Frankenberg | Stuhl |
DE7706540U1 (de) * | 1977-03-03 | 1977-09-22 | Westdeutsche Sitzmoebelfabrik Schroeder & Henzelmann, 4973 Vlotho | Stapelstuhl mit Armlehnen |
DD130749B1 (de) * | 1977-03-31 | 1980-03-19 | Bach Guenter | Reihungsfaehiger stapelstuhl mit auswechselbarer flachpolsterung |
IT8035569V0 (it) * | 1980-02-15 | 1980-02-15 | Castelli Sas Anonima | Bracciolo per sedia o poltroncina con appoggia braccio imbottito o no sollevabile |
-
1982
- 1982-07-02 DE DE19823224812 patent/DE3224812A1/de not_active Withdrawn
-
1983
- 1983-06-23 ZA ZA834586A patent/ZA834586B/xx unknown
- 1983-06-23 AU AU16190/83A patent/AU1619083A/en not_active Abandoned
- 1983-06-27 EP EP83106237A patent/EP0098493B1/de not_active Expired
- 1983-06-27 AT AT83106237T patent/ATE38316T1/de not_active IP Right Cessation
- 1983-06-27 DE DE8383106237T patent/DE3378351D1/de not_active Expired
- 1983-06-28 CA CA000431374A patent/CA1209896A/en not_active Expired
- 1983-07-01 JP JP58120125A patent/JPS5971709A/ja active Pending
-
1989
- 1989-09-19 US US07/409,231 patent/US5002337A/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3276818A (en) * | 1966-10-04 | Chair construction | ||
US1408114A (en) * | 1920-07-13 | 1922-02-28 | Mathieu Joseph | Chair, table, and the like |
DE2149542A1 (de) * | 1969-10-10 | 1973-06-20 | Caruso Jerome Carmel | Sitzmoebel, insbesondere stuhl |
Also Published As
Publication number | Publication date |
---|---|
ATE38316T1 (de) | 1988-11-15 |
CA1209896A (en) | 1986-08-19 |
AU1619083A (en) | 1984-01-05 |
DE3378351D1 (en) | 1988-12-08 |
US5002337A (en) | 1991-03-26 |
ZA834586B (en) | 1984-03-28 |
JPS5971709A (ja) | 1984-04-23 |
DE3224812A1 (de) | 1984-01-05 |
EP0098493A3 (en) | 1985-03-06 |
EP0098493A2 (de) | 1984-01-18 |
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