JPH0588122B2 - - Google Patents

Description

Claim 1: A lateral upright member of the backrest is guided along the rear leg and engaged in one of a plurality of notches for tilt adjustment, the front end of the rear leg being below the armrest. The front end of the armrest is pivotally connected to the front leg, the front end of the armrest is pivotally connected to the upper end of the front leg, the rear end of the armrest is pivotally connected to the center of the lateral upright member of the backrest, and A guide groove is provided in each case, into which a pin provided on the underside of the lateral uprights engages, so that the front end of the seat part is pivoted to the front leg by the same articulation bolt as the front end of the rear leg. In a folding chair or a chaise longue, in which the rear end of the seat part is pivoted to said lateral upright below the armrest, said guide groove has a notch I at one end defining the reclining position of the chair. an upper guide groove 13 having a curved part 18 at the top and a notch for determining the standing state of the chair; and connecting the lower guide groove 12 and the upper guide groove 13; It has communication grooves 14, 17 for lifting the side upright members upward, and supports the lower side of the front legs 3 to compensate for the reduction in the height of the seat part 1 and the armrests 8 in the tilted position of the backrest. A folding chair characterized in that a surface 21 has an R portion that bulges rearward.

2. The lower guide groove 12 is provided with a plurality of notches, and the curved portion of the upper guide groove 13 is provided with at least one notch, and further, the lower guide groove 12 or the curved portion 18
2. The folding chair according to claim 1, further comprising a guide groove portion 12b at the far end extending rearward and facing the notch, in which the pin 11 moves during folding.

3. The guide groove portion 12b extending from the front portion 12a of the lower guide groove 12 is offset in height with respect to the front portion 12a of the lower guide groove in order to form a stop 15 in the communication groove 14. A folding chair according to claim 1, characterized in that the folding chair has a folding chair.

4 Guide groove 1 having a notch and a communication groove 14
4. The folding chair according to claim 1, wherein the folding chair 2 and 13 are provided on a metal plate 16 or a plastic member, which is attached to the rear leg 4.

5. A folding chair according to claim 4, characterized in that at least each of the upper notches has a narrowed neck.

6. A folding chair according to claim 5, characterized in that a notch (20) is provided at the bottom of the notch with a narrowed neck (19) to increase elasticity.

7 Between the lower end of the backrest 2 and the rear end of the rear legs 4,
A folding chair according to any one of claims 1 to 6, characterized in that it has a screw 42 for stepless tilt adjustment.

8. According to any one of claims 1 to 7, each swinging arm 25 or connecting arm is provided between the upper end of the front leg 3 and the armrest 8. folding chair.

9 When the front leg 3 is at the rear position of the swinging arm 25, connect the connecting pin 9
The upper end of the front leg 3 is supported directly below the armrest 8a at a position on the front side of the swinging arm 25.
Folding chair as described in section.

10 Height-adjustable folding footrest 2 under the seat
8. The folding chair according to claim 1, wherein the folding chair can be inserted into the folding chair.

11. The folding chair according to claim 10, characterized in that rolls 30 are provided under the seat portion at intervals corresponding to the thickness of the folding footrest.

12. Claim 11, characterized in that rolls 30 are supported on the plate 29 that pivots around the connecting pin 5 on the front side of the seat portion and the lower corner portions, respectively.
Folding chair as described in section.

13. The folding device according to claim 11, wherein each of the two plates 29 has a concentric arc-shaped cutout 33, and a pin 32 attached to the side of the seat portion engages with the cutout. Chair.

14 Canopy-shaped sunshade 3 on the side upright member 6 of the backrest
14. The folding chair according to any one of claims 1 to 13, characterized in that six arms (35) are each mounted so as to be pivotable about a rotating shaft (38).

15. According to any one of claims 1 to 14, the front leg and/or the rear leg are provided with one or a plurality of holes 22 above and below for accommodating the insertion shaft of the wheel 23. folding chair.

16 Headrest 51 attached to backrest 2
The folding device according to any one of claims 1 to 15, characterized in that a horizontal bar 50 is provided on the lower side of the headrest so as to be rotatable against friction. Chair.

(Technical Field) This invention relates to a folding chair or a chaise longue that can be used in a wide range of situations, from a chaise lounge to a dining chair by changing the posture of the seat.

BACKGROUND ART A wide variety of chaise lounges of this type for use outdoors, in bathing facilities, green areas and gardens are known. The framework or skeleton of this chaise longue is constructed from a combination of a plurality of straight wooden members. A notch is provided on the upper side of the rear leg, into which the lower end of the side member of the backrest engages, thereby making it possible to adjust the inclination of the backrest. A textile upholstery or mat is provided between the transverse brace of the backrest and the transverse bar connecting the two rear legs forwardly, i.e. to the front legs, thereby creating a series of recessed or boat-shaped troughs. A back support and a seating surface (in a steeply sloping position of the backrest) or a continuous lying surface are formed in the form of a hammock.

Such a folding chair or chaise longue proves suitable as a proper chaise longue, i.e. for resting in an extended, approximately horizontal position - or also with the backrest tilted, for example for reading or light lectures. has been done. However, the disadvantage of such folding chairs or chaise lounges is that they are not suitable at all - or only as an emergency measure - for eating at the table as dining chairs. This requires a chair or stool with the necessary normal stability, a nearly vertical backrest, a horizontal seating surface, and sufficient seating height. Dining chairs or stools of this type are usually designed - in accordance with the requirements posed - to be rigid, that is to say not to be foldable. Steel-framed folding chairs, with legs crisscrossing under the seating surface and the rear end of the rigid seating surface attached to the side members of the backrest, are also certainly known in beer gardens. Such folding chairs have only one use position and are therefore not suitable for use as a chaise lounge in a horizontal resting position. Furthermore, the backrest is not sloped steeply enough.

For this reason, chaise longues and dining chairs have hitherto been provided exclusively for their respective purposes, so that hitherto it has been necessary either to provide both or to give up one or the other.

DISCLOSURE OF THE INVENTION The object of the present invention, on the other hand, is to adapt the backrest or the entire chaise longue from a relatively flat position (resting position) through various steeply inclined positions to an almost vertical position. To provide a folding chair or chaise longue that can be adjusted up to the position of a dining chair. In this case, the furniture should have a simple and sturdy structure and be foldable as small as possible.

The solution to this problem is indicated in the claims, in particular in the characterizing part of claim 1. In other words, according to the invention, one groove or guide is provided in each side/bottom side of the rear legs, and one pin in each case projects horizontally from the lower end of each side member of the backrest in each of said grooves. Or engage with guidance. This guidance forces the backrest to follow the rear legs, so all positions are safe and stable. The pin can be supported at the front end of the groove (the flattest position of the backrest (recumbent state)) and at the rear end of the guide groove (folded position). A plurality of notches can be provided between them for stepwise adjustment. The guide groove may be straight, but the guide groove includes a lower guide groove 12 having a notch at one end that defines the reclining position of the chair, and a curved part 18 at the top, in which the standing leg of the chair is formed. Upper guide groove 13 with a notch that determines the condition
and a communication groove 17 connecting the lower guide groove 12 and the upper guide groove 13 in order to lift the side upright member upward.

Therefore, when used as a dining chair, the pins of the side uprights are moved from the lower guide groove to the upper guide groove through the connecting grooves, and the side uprights are lifted upwards, so that the backrest quickly The chair can be raised up, and the seat can also be lifted up at the same time to maintain the standing position of the chair.

Further, the guide groove has a portion 12b of the guide groove extending to the rear side of the lower guide groove 12 or the upper guide groove 13 and at the far end facing the notch, through which the pin 11 moves when folding. This allows the chair to be folded flat and more compactly.

A screw between the lower end of the backrest and the rear end of the rear legs allows stepless adjustment of the inclination of the backrest and with it the position of use (chaise longue/meal chair). However, in this case, it is not a middle notch,
A continuous lower guideway is provided.

Preferably, the front end of the relatively rigid seat section is pivoted to the front leg by the same hinge pin as the front end of the rear leg, and the rear end is pivoted to the side member of the backrest below the armrest of the folding chair.

In an almost vertical position the seating surface has exactly the height required for eating. Then - after eating - the back position is adjusted to a relatively flat or even completely flat resting position, and the front legs follow this flat position - as in a conventional chaise lounge. However, this results in the seat surface and armrests being too small in height, especially in the front area. This is particularly inconvenient for the elderly and the disabled. These people are
It is difficult to reach such a low lying or resting position, especially if the armrests on which you want to support yourself when lying down or getting up are located at too little height above the ground or floor.

Therefore, in the present invention, in order to compensate for the decrease in the height of the seat portion 1 and the armrest 8 when the backrest is in an inclined position,
It is characterized in that the lower support surface 21 of the front leg 3 has an R portion that bulges rearward.

Known chaise lounges usually include a footrest or leg support, the horizontal support of which is supported on the one hand at the front end of the chaise lounge and on the other hand on a pair of legs. Folding footrests with scissor-like pairs of legs are preferred for this purpose. In another embodiment of the invention, rolls or rollers are provided below the seat surface at intervals corresponding to the thickness of the folding footrest. The folding footrests roll on this roll and are inserted under the seat surface, allowing them to be stacked when not in use. Via each horizontal articulation pin, the upper ends of the front legs can be simply pivoted to the armrests. However, as mentioned above, it is desirable that the armrests reach as high a position as possible when the inclination of the front legs is small (recumbent position). This can be achieved relatively easily by means of a suitable length, but then the armrests also become erect and lifted even in the eating position, which is a nuisance. It is therefore a problem to lift the armrest, particularly in the front area, only in the lying position and not in the eating position.
For this purpose, a further embodiment of the invention provides for the front legs not to be pivoted directly to the armrests, but by means of interposed mechanical coupling members, in particular one rocker arm each.
In the rear position (lying position) of the swinging arm, the front end surface of the front leg is connected to each one of the connecting pins that pivotally connect the swinging arm to the armrest.
The armrest is supported by two extensions, by means of which the armrest is lifted. In contrast, the forward position of the swinging arm,
That is, in a relatively steeply inclined stance state (eating position) of the front legs, the armrest reaches a low position, which is as low as possible by the distance between the two articulation points of the swinging arms, taking into account, among other things, the difference in the inclination of the front legs. (See Figure 2 for more information on this point).

Wheelchairs and mobile garden chairs are also already known. A further embodiment of the invention provides a preferably removable attachment of wheels to the rear and/or front legs.
At least one hole is provided each for insertion.
Depending on whether the wheels are mounted at the front or the rear, and depending on the diameter of the wheel or wheels, the height or inclination of the sitting furniture can be varied. In another embodiment, two holes can be provided in each of the front and/or the rear, spaced apart one above the other. Finally, it is possible to install wheels that are steerable (i.e. able to pivot about a vertical axis), especially when used by disabled persons (wheelchair operators).

Finally, the design of the sitting and lying furniture according to the invention opens up further embodiment possibilities.

Garden chairs to which canopy-shaped awnings can be attached are already known. A canopy such as this is highly desirable for protection from wind and sunlight. However, it is often necessary to abandon this method because it is too troublesome to install, and the blown-up hood-shaped sunshade obstructs access to and from the chair. This is because conventionally, the side arms of the hood-shaped sunshade were screwed to the side members of the backrest with two bolts. In this case, a further embodiment of the invention provides that the side arms of the sunshade are pivotable about only one axis of rotation and are held in the respective pivot position by friction. . The friction can be adjusted by means of each rotating handle, which can be screwed on.

It is also known to attach a headrest to the backrest. For this purpose, a bolt projects downwards from the headrest and can be inserted into a suitable hole in the upper crossbar of the backrest. In a further embodiment in this regard, this bayonet bolt is attached to the lower horizontal bar of the headrest and can be pivoted or rotated with friction relative to the headrest.

Next, embodiments of the present invention will be described based on the drawings,
In doing so - as mentioned above - other features of the dependent claims will also be explained.

[Brief explanation of the drawing]

FIG. 1 shows a perspective view of the furniture for both sitting and sleeping positions according to the invention, FIG. 2 shows a side view of the furniture in the lying position, and FIG. 3 shows an attached folding footrest and a head rest as a lower leg support. FIG. 4 shows a side view of the furniture in the eating position; FIG. 5 shows the folded furniture; FIG. 6 shows a fitting plate with modified guide grooves; FIG. shows the front view of the furniture (arrow in Fig. 4), Fig. 8 shows the infinitely adjustable structure - based on a vertical longitudinal section, and Fig. 9 shows the details of Fig. 8 (infinitely adjustable). Fig. 10 shows a sitting and lying furniture with a hood-shaped sunshade attached to the armrest, and Fig. 11 shows a (small) sunshade mounted pivotably on the side members of the backrest. .

(Best Mode for Carrying Out the Invention) Examples of the present invention will be described based on the drawings. The furniture has a seat part 1 and a backrest 2, which are carried by two front legs 3 and two rear legs 4. The front section of the seat part 1 is pivoted to the central part of the front leg 3 by means of an articulation bolt 5. Rear leg 4 to the same connecting bolt 5
The front end of is also pivoted. The hind legs 4 extend diagonally downward/backwards to the ground. The lower end of a side upright member (side member) 6 is supported by the rear leg 4 (described in detail). Above this support, the rear end of the seat part 1 is pivoted to the side members 6. Above the joint 7, the rear ends of the armrests 8 are pivoted to the side members 6 of the backrest 2, respectively. In the front area of the armrest 8 the upper end of the front leg 3 is pivoted. The armrest consists of a wide horizontal member 8a (in plan view), each provided with a vertical member 8b and an articulating pin 9 on the inside (for a comfortable rest of the arm).

In the front view (looking from the center to the left or right on both sides, the 7th
Figure) A side member 10 of the seat portion 1 and a side member 6 of the backrest 2 appear on the same plane, and are connected to each other by a joint fitting 7. Along with that, there are 8 armrests on the outside side.
(or its vertical member 8b) and the rear leg 4 each appear in the same vertical plane. A front leg 3 follows in each case in an adjacent vertical plane.

As can be readily seen, the sit-and-sleeper furniture according to the invention can be used in (for example) four different inclination positions (...
(by locking) and further into the "eating" position (notch in FIG. 4), in which case another intermediate position (notch) is provided in the upper guide groove. This guide according to the invention is in each case cut into the inside of the hind leg. Pins 11 projecting from the lower ends of the side members 6 each engage in this guide.

The (lower) guide groove 12 for the various resting positions is connected via a communication groove 14 with the upper guide groove 13 for the eating position. When folding, the pin 11 slides in the rear part of the guide groove 12b.

It is noted that the height and length of the furniture in the folded state are small (Figure 5). In fact, the entire piece of furniture is only about 15cm tall when folded, so it fits into a regular mailing box.

The rear part 12b of the guide groove is slightly offset upward relative to the front part 12a. In this way, a stop 15 is formed that indicates to the user the position of the guide pin 11 under the communication groove 14, so that the upper groove 13 can be inserted through the communication groove 14.
In order to reach the user can lift the backrest 6.

The guide grooves 12, 12a, 12b, 13, 14 and notches can be cut directly into the wood of the rear leg 4. However, the guide grooves can also each be seen in a special fitting plate 16 (FIG. 6). On the other hand, this metal fitting plate is attached to the rear leg 4, in which case it is only necessary to cut a "rough" groove course into the material of the rear leg 4.

FIG. 6 also shows a variant in that only a single uninterrupted guide groove 12a, 12b is provided, passing through a generally vertical section 17 to an apex 18. The groove notch has a narrow neck 19. A push button effect is thus obtained. This means that the guide pin 11 can always be pushed out of the corresponding notch against great resistance.
In order to increase the elasticity or push-button effect, a notch 20 is provided at the bottom of each of these notches.

If the backrest is tilted steeply and the rear area of the seat part 1 is raised, the front legs 3 also reach the steeply tilted position, so that the front area of the seat part 1 is also lifted, in particular to reach the normal sitting height of a dining chair; The seat surface does not tilt forward/backwards resulting in extremely uncomfortable sitting.

Conventional chaise longues have the drawback - as mentioned at the outset - that they have a flat lying position and a very low ground clearance, making it difficult to get out of bed. In contrast, the sitting and lying furniture according to the present invention, which can be adjusted from the eating position (high seat, steeply sloping backrest) to a nearly horizontal resting position,
- With the structure according to the drawings - In addition, the seat part 1 and the backrest 2
- and especially the armrest 8 - has a large height in the resting or lying position, making it easy to get up from sleep.
Has special advantages.

For this purpose, the rear lower part of the front leg 3 is convexly curved rearward, so that the support surface 21
occurs. When the chair - and with it the front legs - is tilted into the resting position, the support surface 21 rolls over the ground, without changing the fulcrum, thereby lifting the seat and armrests - or reducing the loss of height due to the tilt. compensated to the desired degree.

One hole 22 is provided in each of the front legs 3, and four holes are provided diagonally up and down in the rear legs 4. The shaft of the wheel 23 can be selectively inserted into each of these holes. In this way the furniture can be moved, especially depending on which hole you insert the axle into.
Further changes in height or inclination are possible. Finally, wheels of different sizes can also be used.

Furthermore, by pivoting the front leg 3 to the armrest 8 rather than directly, but via a rocker arm 25 or a crank arm, further adjustment possibilities, especially for the height of the armrest 8, are provided. Depending on the angular position of the swinging arm 25,
Armrest 8 is raised or lowered.

In FIG. 2, the rocker arm 25 is shown pivoted forward on the one hand (solid line) and pivoted backwards on the other hand - dashed line.

In the forward pivot position, the front legs 3 are more steeply inclined and the armrests 8
and seat 1 is raised accordingly. In this way, when raising and lowering the rest position, it is better supported by the higher armrests.

If, on the other hand, the rocker arm 25 is pivoted backwards (FIG. 2, chain line), the front legs reach a relatively small inclination and the armrest 8 and the seat 1 are thus brought to a lower position.

In this position, for example, one extension of each of the connecting pins 9 rests on the end face of the front leg 3. On the other hand, arm 25
In the forward pivoted position of
directly below, in particular in a cavity or recess 26 of the armrest.

A folding footrest 28, which serves especially as a footrest in the resting position, can be inserted under the seat 1 (especially in the eating position). For this purpose, connecting pin 5
One triangular plate 29 is provided in each of the triangular plates 29, and a roll 30 is supported at the lower corner portion of the triangular plate 29 via a pin 31. The distance between the roll 30 and the seat portion 1 corresponds to the thickness of the folded footrest 28. Roll 30 when folded
together with the plates 29 are turned into the stacking position.
Since the lateral pins 32 of the seat part 1 engage in each one arc-shaped cutout 33 in the plate 29, the deflection angle of the roll 30 is limited. Roll 30 in folded position
is located exactly on the horizontal brace 34 (suitable for stability) between the front legs 3.

The furniture according to the invention forms the basis for improvements in various respects. It is preferable to install a canopy awning on top of the furniture (Figures 10 and 11). According to FIG. 11, the side arms 35 of the canopy sunshade are not rigidly fixed to each side member by two screws, but these arms 35 of the sunshade 36 are each centered around a single rotation axis 38. It was designed to be able to pivot and be held in each pivot position by friction. The friction between the side member 6 and the arm 35 can be adjusted by means of the rotary handle 39 which can be screwed.

In order to adjust from one notch to another, the user has hitherto had to stand up from the sit-down furniture. In contrast, FIG. 8 shows a continuously adjustable structure, in which the user does not have to stand up for this purpose. For this purpose, traction means are provided between the lower crossbar 40 of the backrest 2 and the rear brace 41 between the rear legs 4. For this purpose, in particular, a screw 42 can be provided which is connected to a rotary handle 44 under the front of the seat part 1 via a flexible shaft 43. In this case, there is no notch in the guide groove 12. The notch can be hidden by a pivotable plate (No. 9
figure).

On one (or both) leg pair of the folding footrest 28,
A curved piece 44 consisting of two swing supports 45 and a brace 46 between them is pivotally mounted. For this purpose, a laterally projecting pin 47 engages in a hole 48 in one end of the pivoting leg, ie in two or more holes provided at a distance from each other in the leg of the footrest. In this way, the pivoting arch 44 can be pivoted forward, so that the footrest is supported on this pivot support and thus greater heights or inclinations can be reached.

According to FIG. 3, the headrest 51 is inserted onto the backrest 2 via the insertion pin 49. The insertion pin is attached to the horizontal bar 50. To adjust the headrest, move this horizontal bar 50 to the headrest 51.
can be rotated against. This plate-shaped headrest 51 can also be inserted into the horizontal bar 40 at the lower end of the backrest 2, for example, as a small table or shelf.

From the above explanation, according to the configuration of the present invention, in order to change the posture of the seat, the pin provided on the side upright member of the backrest engages with the guide groove formed on one side of the rear end of the rear leg, When used as a dining chair, the pin is positioned via the connecting groove to the notch of the curved part of the upper guide groove, so that the backrest can be raised quickly and the rear end of the seat can be lifted.

Also, when used as a chaise lounge while lying down,
The lower support surface of the front legs has an R section that bulges backwards, so the height of the front end of the seat and armrests is not lowered, making it easier for elderly people and disabled people in particular to grasp the armrests. This makes it easier to move while lying down.

List of reference symbols for furniture for both sitting and lying positions 1...Seat section, 2...Backrest, 3...Front legs,
4... Rear leg, 5... Connecting bolt (between 1, 3, and 4), 6... Side member of 2, 7... Joint (between 1 and 6), 8... Armrest, 8a... Horizontal Part, 8b...
...Vertical member, 9... Connecting pin (between 8a and 3),
10...1 side material, 11...6 lower end pin, 12
...4 guide groove, 12a...front part, 12b...rear part, 13...upper guide groove, 14...communication groove, 15
...Stop (between 12a and 12b), -...
...notch, 16...metal plate, 17...vertical area,
18...Vertex, 19...Neck, 20...Notch,
21...Supporting surface, 22...3 or 4 holes, 23...
...Wheel to which the shaft is inserted into 21 or 22, 25...3
swing arm between and 8b, 26... recessed part of 8a, 2
8...Folding seat, 29...Plate pivoted to 5, 3
0...Roll pivoted to 29, 31...Roll end/pin, 32...Pin next to 1, 33...29
arc-shaped cutouts, horizontal braces between 34...3,
35...36 side arm, 36...shade, 38...
Rotating shaft between 35 and 6, rotating handle between 39...38, horizontal bar between 40...6, brace between 41...4, 42...screw, 43... deflection shaft,
44...43 rotating handle, 45...28 curved piece, 46...swivel support, 47...stay member, 48...
…hole.