CN1169840A

CN1169840A - Collapsible support surface and seating apparatus

Info

Publication number: CN1169840A
Application number: CN97101972A
Authority: CN
Inventors: 威利斯·雷·威廉
Original assignee: Individual
Current assignee: Individual
Priority date: 1996-06-10
Filing date: 1997-02-17
Publication date: 1998-01-14
Also published as: CA2192134A1; MX9606101A; KR980000265A; JPH1094449A; AU7421496A; EP0812554A2

Abstract

The invention relates to a convertible desk and chair, comprising a desk top with two pairs of legs, the two pairs of legs are connected to the desktop components by a pivot, and connected with each other, besides, a chair component is also connected to one of the two pair of legs by a pivot. The other pair of legs are connected to the lower side of the desktop surface by a pivot, and the legs are moveable. The other convertible desk and chair comprises a pair of half-and-half opening desktop surface coordinating with the two pairs of legs, and the two pairs of legs are installed together by a pivot. A chair component coordinates with one pair of legs by a pivot; besides, when the device is under working state, a unit that retains the fixed position of the chair component relatively to the legs is available.

Description

Folding area supported and seat unit

The present invention relates generally to folding furniture, particularly folding area supported and seat unit, for example desk or desk and chair, this device has novelty and unique cooperation relation between area supported, supporting leg and chair component, and novelty is arranged and the annexation of uniqueness between the bearing assembly of area supported and chair component or seat-assembly.

The shortcoming of existing collapsible furnature construction is to be a folding surface, for example desk or desk, and chair provides simply, effective and compact structure, make this device when not using, occupy as far as possible little storage area, and be easy to be opened into duty, simultaneously, can provide highly stable working surface for desk (or desk) and chair (or chair component) again.

For example, the at present commercially available folding table and the structure of stool (or chair) all are difficult to assembling, need very big storage area when not using, and transportation are very inconvenient.

For a long time, the educator in limited multipurpose classroom, space and preprimary child's the heads of a family, need just to feel a kind of structure Foldable table and chair apparatus cleverly, children can use this device to carry out work, learn, have a meal and play or the like.

In addition, then a kind of have can stable support their percussion arm and ancillary equipment seeking all the time for sharpshooters, and the stool of the folding shooting usefulness at comfortable seat can also be provided simultaneously.

Therefore, for a long time, exist new, improved, the desktop of folding table or desk and so on and the demand of chair apparatus, this device is easy to use, the compact conformation during storage, be fit to multiple use, and can provide the very stable working surface and the area supported of body for the user.Purpose given to this invention just provides a kind of like this structure.

The purpose of this invention is to provide a kind of area supported and seat unit, this device comprises an area supported, and this area supported is made up of at least one the area supported member with an end face and a bottom surface; A pair of first pair of supporting leg, this uses on the primary importance that is pivotally mounted on the above-mentioned area supported member bottom surface to supporting leg; A pair of second pair of supporting leg, this uses supporting leg and is pivotally mounted on the second place of above-mentioned area supported member bottom surface; Wherein, the mid portion of above-mentioned first and second pairs of supporting legs is assembled together mutually with bearing pin; And a seat-assembly, this assembly is with at least one pair of supporting leg that is pivotally mounted in above-mentioned two pairs of supporting legs and on the bottom surface of above-mentioned area supported member.

In one embodiment of the invention, above-mentioned at least one area supported member is an independent member, and wherein, the bottom surface of above-mentioned area supported member is provided with a pair of channel-section steel guide rail; And the upper end of above-mentioned this a pair of second supporting leg is slidably to be contained in this channel-section steel guide rail with rotating mode.

For realizing purpose of the present invention, above-mentioned seat-assembly comprises: a chair component; A pair of seat supporting arm, one end are fixedly mounted on the above-mentioned chair component, and its other end is with being pivotally mounted on a pair of in above-mentioned two pairs of supporting legs.Above-mentioned seat-assembly also comprises the device that is used to make above-mentioned chair component maintenance horizontal level.Above-mentioned seat-assembly also comprises a hound, the one end with pivotally connected on the bottom surface of above-mentioned area supported member, its other end is then with being pivotally mounted on above-mentioned this a pair of seat supporting arm, wherein, the size of above-mentioned first pair of supporting leg can embed in above-mentioned second pair of supporting leg, and the size of above-mentioned seat supporting arm can embed in above-mentioned first pair of supporting leg.

Device of the present invention also comprises and is used for pressue device that first and second pairs of supporting legs are strutted mutually.Usually, this pressue device comprises the spring assembly with first and second pairs of supporting leg collaborative works, so that these two pairs of supporting legs are strutted into deployed position.

For realizing purpose of the present invention, above-mentioned first pair of supporting leg is longer than second pair of supporting leg, and second pair of supporting leg is then wide than first pair of supporting leg, wherein, the bottom of first pair of supporting leg expands outwardly slightly, and slightly inwardly shrink on the top of above-mentioned second pair of supporting leg, and its underpart expands outwardly very greatly.

In another embodiment of the present invention, above-mentioned at least one area supported is formed half-open supporting end face by two, wherein, each is installed on a pair of desk supporting arm half-open supporting end face, can be movable, and these two be connected with above-mentioned first and second pairs of supporting legs with pivot respectively half-open supporting end face, and, wherein, above-mentioned seat-assembly comprises a pair of seat supporting arm that is connected with a pair of supporting leg with pivot.

Device of the present invention also comprises when above-mentioned seat-assembly is in the duty of opening, make at least one chair component keep horizontal level, device with the seat-assembly collaborative work, wherein, above-mentionedly be used to keep the device of level to comprise a seat supporting rod, the one end is with being pivotally mounted on the above-mentioned a pair of seat supporting arm, the other end is used and is pivotally mounted on the part of above-mentioned assembly for table, and the other end of this seat supporting rod is also with being pivotally mounted on the supporting arm of above-mentioned a pair of desk.

According to the present invention, in the supporting arm of above-mentioned a pair of area supported at least one, two pairs of above-mentioned desk supporting legs, and above-mentioned a pair of seat supporting arm all has identical on the whole appearance profile.In order to reach purpose of the present invention, this identical on the whole appearance profile comprises: a common narrow parallel portion; An outside open mid portion; And common wide parallel portion.Wherein, have a pair of seat supporting arm of above-mentioned profile and a pair of centre that a pair of area supported supporting arm all is embedded in above-mentioned two pairs of desk supporting legs.

The present invention also provides a kind of folding area supported and seat unit, it comprises: a pair of to half-open supporting end face, each to half-open area supported each with a pair of connection the in pivot and the two pairs of supporting legs selecting, above-mentioned two pairs of supporting legs comprise a pair of first supporting leg and a pair of second supporting leg, and these two pairs of supporting legs are connected to each other with pivot; With a pair of chair component, wherein each chair component is all used a pair of connection the in pivot and the above-mentioned two pairs of supporting legs, and has the device that makes a pair of relative position that is maintained fixed in above-mentioned chair component and the above-mentioned two pairs of supporting legs, in addition, also has an auxiliary leg assembly that is connected with above-mentioned two pairs of supporting legs with pivot, wherein, above-mentioned auxiliary leg assembly comprises a pair of with the interconnected relatively shorter leg member of pivot, and, an above-mentioned relatively shorter member respectively comprises the leg member of a pair of shaping, wherein, the size of the leg member of a pair of shaping can be contained in another in the middle of the leg member that is shaped, wherein, each all has pair of support arms to half-open area supported, and this all has an outboard end that is rigidly fixed on it to support arm, with with a medial end that is connected in pivot and a pair of supporting leg, and, wherein, above-mentioned each the outboard end of the support arm of half-open area supported is overlapped each other with the medial end of this support arm basically.

According to the present invention, wherein a pair of supporting leg has extended, so the distance of stretching out outside the assembly for table is bigger, so above-mentioned usefulness be pivotally mounted on this a pair of lengthening supporting leg seat-assembly just can with unsettled assembly for table partition distance.In addition, another, can rotate and can slide with on the track that is pivotally mounted in below the assembly for table supporting leg, and these two pairs of supporting legs can be arranged to make them make opening movement with respect to assembly for table with the spring pressurization.

Equally, according to the present invention, because above-mentioned two pairs of supporting legs all extend and stretch out outside assembly for table, so, just can be at an easy rate and unsettled assembly for table partition distance with the seat-assembly on two pairs of supporting legs that are pivotally mounted in lengthening.

In addition, this device is designed so that especially that also the profile of each adjacent part can hold mutually, so as to make its store and/or overall size during transportation as much as possible little.Further, the various support arms and the supporting leg of this device are spaced a distance d from one another like this, and they not only do not interfere with each other, and are being close to mutually in some cases, so that further dwindle the profile of this device.

No matter in which embodiment, the folding area supported and the seat unit on above-mentioned formation basis of the present invention, for example desk or desk and chair apparatus, all comprise an area supported assembly, for example assembly for table or desk assembly, a desk or a desk bearing assembly that is connected with desk or desk assembly with pivot, and a seat-assembly that is connected with desk or desk bearing assembly with pivot.Above-mentioned bearing assembly comprises two pairs with pivotally connected, constitutes the supporting leg of the main supporting structure of this device.

Employed in this manual term: area supported, desk, desk etc. all can exchange, and term: seat, stool, chair etc. also can exchange.

Therefore, in a preferred embodiment of the invention, above-mentioned area supported and seat unit comprise: the table top member with an end face and a bottom surface; A pair of usefulness is pivotally mounted in first supporting leg on the certain position of above-mentioned table top member bottom surface; A pair of usefulness is pivotally mounted in mobile second supporting leg in position on the table top member bottom surface; Wherein, above-mentioned a pair of first supporting leg is in the same place with pivotal mounting with the mid portion of a pair of second supporting leg; And a seat-assembly is with being pivotally mounted on the bottom surface of a pair of supporting leg and table top member.

In a further advantageous embodiment, above-mentioned folding area supported and seat unit comprise: a assembly for table with two to half-open table top, wherein.Each is connected with a pair of desk support arm half-open table top, can be movable; Desk bearing assembly with a pair of first supporting leg and a pair of second supporting leg; Wherein, above-mentioned these supporting legs all are connected to each other with pivot, and above-mentioned each half-open table top is all used a pair of connection in pivot and the supporting leg; A seat-assembly, this assembly have at least one chair component that has a pair of seat support arms, and this seat support arms is with a pair of connection the in pivot and the above-mentioned supporting leg; And with the seat-assembly collaborative work, open when in running order when above-mentioned seat-assembly, make at least one chair component keep the device of horizontal level.

Describe the preferred embodiments of the present invention with reference to the accompanying drawings in detail, after the explanation below having read, will be to above-mentioned and other advantages of the present invention solve clearer.In the accompanying drawing:

Fig. 1 is the stereogram of an embodiment that forms the basis of device of the present invention;

Fig. 2 is the front view that this device is in folded state;

Fig. 3 is the rearview that this device is in folded state;

Fig. 4 is the enlarged detail on the top of above-mentioned desk bearing assembly;

Fig. 5 is that this installs the rearview when in running order;

Fig. 6 is that this installs the front view when in running order;

Fig. 7 is the side view of this device when being in folded state;

Fig. 8 is a kind of combined type desk that forms basis of the present invention and the seat unit stereogram when in running order;

Fig. 9 is the side view that first kind of form of said apparatus is in folded state;

Figure 10 is first kind of front view that form is in running order of said apparatus;

Figure 11 is the front view that first kind of form of said apparatus is in folded state;

Figure 12 is first kind of face upwarding stereogram that form is in running order of the present invention;

Figure 13 is the stereogram of combinations thereof formula desk and second kind of form of seat unit;

Figure 14 is the side view that second kind of form of said apparatus is in folded state.

As shown in Figure 1, folding area supported and the seat unit that constitutes basis of the present invention represented with label 10 on the whole.Said apparatus 10 generally includes: 11, one desk bearing assemblies 12 of a desk assembly and a seat-assembly 13.Below, by part these assemblies are described.

Shown in Fig. 1 to 4, above-mentioned desk assembly 11 has the whole table top member 20 of a bigger rectangle, and this table top member has an end face 21 and a bottom surface 22, is provided with the microscler groove steel rail member 23 of a pair of parallel to each other and partition distance on the bottom surface.Below, the effect and the function of above-mentioned groove steel rail member 23 are described.

See too clearly from Fig. 3 and 4, above-mentioned desk bearing assembly 12 has two pairs of supporting

legs

30,30 and 31,31; The bottom surface collaborative work of these two pairs of supporting legs and table top member 20, and be connected to each other together with pivot near their corresponding mid point 32,32 places.

The upper end 33 of first pair of supporting

leg

30,30 is fixedly mounted on the bottom surface 22 of table top member 20, can rotate.Upper end 34,34 usefulness of second pair of supporting

leg

31,31 are pivotally mounted in groove steel rail member 23 the insides, can rotate, and also can slide, for this point, below with more detailed description.

Consult just energy detail knowledge of Fig. 3, above-mentioned first pair of supporting

leg

30,30 is straight basically, and than above-mentioned second pair of supporting leg, 31,31 length.The spaced-apart distance in the top of supporting

leg

30,30 and middle part is narrower, and is parallel to each other, and slightly outwards diverge to its underpart, and couples together with short cross member 35.

Also please referring to Fig. 3, among the figure, the appearance profile of second pair of supporting

leg

31,31 comprise a slightly inwardly recessed mid portion and outwards diverge to the bottom of opening very much, wherein, the bottom of this a pair of supporting

leg

31,31 is connected to each other with a long cross member 36, the middle part of this cross member 36 is outside arch, and when said apparatus 10 was in folded state, the size of this arch can be held the bottom of first pair of supporting

leg

30,30.

See Fig. 3 and Fig. 4 again, as seen from the figure, above-mentioned seat-assembly 13 has a chair component 40 usually, on this chair component, be provided with a pair of

seat supporting arm

41,41, the outboard end of this a pair of supporting arm is fixedly mounted on the chair component 40, and its medial end is then with 42,42 places that are pivotally mounted in above-mentioned first pair of supporting

leg

30,30 middle part.

In addition, above-mentioned seat-assembly 13 also comprises a hound 43, and the lower end of this root hound is with the middle part that is pivotally mounted in above-mentioned

seat supporting arm

41,41, and 45 of its upper ends are with on the bottom surface 22 that is pivotally mounted in above-mentioned table top member 20.

Should be noted that, on these tie points of preferred embodiment represented in Fig. 4 of the present invention, the pivotally connected of the upper end of the upper end of hound 43 and first pair of supporting

leg

30,30 all realizes that by shaping supporting

arm

50,50 in the middle of a pair of this then is rigidly fixed on the bottom surface 22 of table top member 20 supporting arm.In fact, this mainly is used for supporting table top member 20 and strengthens its rigidity middle shaping supporting arm 50,50.Should be appreciated that above-mentioned each pivot suspension member (not shown) commonly used can be replaced with other members, but still does not break away from instruction of the present invention.

Can also see that from Fig. 4 the first and second pairs of supporting

legs

30,30 and 31,31 are all pressed to open position to them by a pair of spring member 38 usually.This spring member contacts with these two supporting legs on the pivotally connected tie point 32 of the usefulness of adjacent a pair of supporting leg, so that make said apparatus 10 convert the duty shown in Fig. 5 and 6 to from the folded state of Fig. 2 and 7.

In addition, a handle member 60 is securely fixed on the bottom surface 22 of table top member 20, is used for handle assembly 10 and is transported to another place from a place.A pair of stop member 25,25 is arranged near the opening end of groove

steel rail member

23,23, breaks away from groove

steel rail member

23,23 to prevent second pair of supporting

leg

31,31.

Can see that from Fig. 1-3 above-mentioned first pair of desk supporting leg, 30,30 to the second pairs of supporting

legs

31,31 are much longer, reason is very simple, that is, in working order down, seat-assembly 13 must the unsettled outside in table top member 20.In addition, the upper end of above-mentioned first pair of

desk supporting leg

30,30 be directly with pivotally connected on the bottom surface 22 of table top member 20, the upper end of above-mentioned second pair of supporting

leg

31,31 then is to be arranged on like this on the groove steel rail member 23, it is except with pivotally connected can the rotation, this second pair of supporting

leg

31,31 can also move, so can change the duty of Fig. 5 and Fig. 6 from the storing state of Fig. 3 and Fig. 4 into.

When said apparatus 10 is in complete folded state shown in Figure 7, the width of a pair of supporting leg 31 outside its width equals and the thickness sum of table top member 20.This flat especially profile is owing to two structural factors determine, one is the shape of inlaying mutually of the structural member shown in Fig. 3 and 4, and another is the movably pivot structure of the uniqueness that produced by above-mentioned groove steel rail member 23.

Because the main purpose and the purposes of said apparatus 10 are in the classroom, so the present invention has also considered to be provided with a detachable and/or telescopic screen 60 that blocks, shown in the dotted line among Fig. 5.

See also accompanying drawing, particularly Fig. 8 constitutes the folding surface on basis of the present invention and the integral body of seat unit and represents with label 110.This device 110 generally comprises: 111, one desk bearing assemblies 112 of an assembly for table, and a seat-assembly 113.Below, describe these assemblies in detail.

Shown in Fig. 8-12, above-mentioned assembly for table 111 has a pair of to half-open table top 120,121, wherein, one is fixedly mounted on the outer end of the outside desktop supporting arm 122 of pair of straight to half-open table top 120, and another is to then being fixedly mounted on the outer end of the inboard desktop supporting arm 123 of second pair of shaping to half-open table top 121.

In addition, see the most clearly from Figure 12, the outer end of these two pairs of desktop supporting arms 122,123 overlaps each other with the inner of another root supporting arm haply, so that provide basic supporting for these two from below to half-open table top 120,121.

See also Fig. 8-12, above-mentioned desk bearing assembly 112 have the first outer supporting leg 132 of shaping of a pair of length and a pair of shaping second in supporting leg 133, wherein, first pair and the second pair of supporting

leg

132 and 133 mutual with pivotally connected at 131 places.In addition, each all has one to diverge to part to supporting

leg

132 and 133, and its position is near the lower end of supporting leg, but leaves certain distance with the lower end.All be provided with the cross member 134 of reinforcing in each lower end to supporting leg 132,133, and, on the cross member 136 of above-mentioned supporting leg 133 upper support, be provided with a handle member 135.

See the most clearly from Fig. 2 and 4, elongated is that the free end of straight supporting arm 122 is that the free end of the desktop supporting arm 123 of above-mentioned shaping then is connected with the upper end of above-mentioned supporting leg 132 with pivot with the upper end of the supporting leg 133 that is pivotally mounted in a pair of length.

Shown in Fig. 8-12, above-mentioned seat-assembly 113 has a pair of chair component 140, wherein, each chair component 140 is fixedly mounted on the outer end of the seat supporting arm 141 of a pair of shaping, and the inner of this seat supporting arm 141 then is installed in respectively on

long leg

132 and 133 with pivot.In addition, also have a hound 142, its lower end is used and is pivotally mounted on the desktop supporting arm 122 of shaping with the middle part that is pivotally mounted in above-mentioned seat supporting arm 141, its upper end.

Consulting Fig. 2-5 just can understand, above-mentioned two pairs of supporting legs 132,133, seat supporting arm 41 and the desktop supporting arm 123 that is shaped, all has same profile on the whole, this profile has one section narrow slightly parallel portion, the mid portion that outwards diverges to and one section wide parallel portion, wherein, the size of above-mentioned shaped portion is worked in coordination in the mode that embeds, so that make the desk and the seat unit 110 that combine have as far as possible little storage overall size.

For above-mentioned purpose, the top of above-mentioned seat strut 142 embeds the centre of the desk supporting arm 123 of two shapings.123 of the desk supporting arms of above-mentioned shaping embed between seat supporting arm 141 and the desk supporting leg 132.Above-mentioned long desk supporting leg 132 is embedded between above-mentioned two short desk supporting legs 133.In addition, all supporting arms and supporting leg, and strut all has same width, and when combinations thereof formula desk and seat unit 110 are folded into form shown in Figure 9, useful pivotally connected tie point all in alignment in vertical direction.

Therefore, the gross thickness of the preferred implementation of above-mentioned desk and seat unit equals the thickness after the combination of above-mentioned supporting leg 132,133, add two to the thickness after half-

open table top

120 and 121 combinations, this gross thickness be the two halves flap table the storage dimensions of the minimum that may reach, for the combined type desk and the seat unit that form basis of the present invention, just all the more so.

In the interchangeable mode of the above preferred embodiment shown in Figure 13 and 14, structural difference is that it has a pair of short

auxiliary leg member

151 and 152 auxiliary leg assembly 150, wherein, the bottom of above-mentioned auxiliary leg member 151,152 is connected to each other with pivot; And their upper end is connected with 133 supporting leg 132 respectively with pivot near above-mentioned seat supporting arm 141 and the pivotally connected tie point place of supporting leg 132,133 usefulness with each.

Be noted that also above-mentioned

auxiliary leg member

151 and 152 respectively has the leg member of a pair of shaping, wherein, the size of this a pair of leg member of auxiliary leg member 151 is made in the middle of the leg member that can be contained in a pair of auxiliary leg member 152.

Should also be noted that the preferred embodiments of the present invention shown in Fig. 8-12 design for child uses; Then for adult's design, need auxiliary leg assembly in the interchangeable mode shown in Figure 13 and 14.In addition, shown in the dotted portion among Figure 10, the present invention has also considered to be provided with on to supporting leg 132,133 and can be the step 138 that user's leg rest is used at each.

After having described main points of the present invention, very clear, according to above instruction, can make many replacements, improvement and variation to the present invention.So, it must be understood that the present invention is only limited by the scope of claims.

Claims

1. area supported and seat unit, it comprises:

One area supported, it has at least one area supported member that has an end face and a bottom surface;

A pair of first pair of supporting leg, this uses on the primary importance that is pivotally mounted on the above-mentioned area supported member bottom surface to supporting leg;

A pair of second pair of supporting leg, this uses supporting leg and is pivotally mounted on the second place of above-mentioned area supported member bottom surface;

It is characterized in that:

The mid portion of above-mentioned first and second pairs of supporting legs is assembled together mutually with bearing pin; And

A seat-assembly, this assembly is with on a pair of supporting leg that is pivotally mounted in above-mentioned two pairs of supporting legs and on the bottom surface of above-mentioned area supported member.

2. device as claimed in claim 1 is characterized in that, above-mentioned at least one area supported member is an independent area supported member.

3. device as claimed in claim 2 is characterized in that, the bottom surface of above-mentioned area supported member is provided with a pair of groove steel rail member; And

The upper end of above-mentioned second pair of supporting leg is slidably to be contained in this channel-section steel guide rail with rotating mode.

4. device as claimed in claim 2 is characterized in that, above-mentioned seat-assembly comprises:

A chair component;

A pair of seat supporting arm, one end are fixedly mounted on the above-mentioned chair component, and its other end is with being pivotally mounted on a pair of in above-mentioned two pairs of supporting legs.

5. device as claimed in claim 4 is characterized in that, above-mentioned seat-assembly also comprises:

A hound, an end of this hound is connected with the bottom surface of table top member with pivot, and its other end is with being pivotally mounted on the above-mentioned a pair of seat supporting arm.

6. device as claimed in claim 3 is characterized in that it also comprises:

With the spring assembly of above-mentioned first pair and second pair supporting leg collaborative work, above-mentioned these two pairs of supporting legs are strutted into open position with the elastic force of spring.

7. device as claimed in claim 4 is characterized in that, the size of above-mentioned first pair of supporting leg can embed the centre of above-mentioned second pair of supporting leg, and the size of above-mentioned seat supporting arm can embed the centre of above-mentioned first pair of supporting leg.

8. device as claimed in claim 2, it is characterized in that, above-mentioned first pair of supporting leg is longer than above-mentioned second pair of supporting leg, above-mentioned second pair of supporting leg is then wide than above-mentioned first pair of supporting leg, wherein, the bottom of above-mentioned first pair of supporting leg expands outwardly slightly, and slightly inwardly shrink on the top of above-mentioned second pair of supporting leg, and its underpart expands outwardly very greatly.

9. device as claimed in claim 1, it is characterized in that, above-mentioned at least one area supported is formed half-open supporting end face by two, wherein, each is installed on a pair of desk supporting arm half-open supporting end face, can be movable, and these two are connected with second pair of supporting leg with above-mentioned first pair with pivot respectively half-open supporting end face.

10. device as claimed in claim 9 is characterized in that, above-mentioned seat-assembly comprises a pair of seat supporting arm that is connected with above-mentioned a pair of supporting leg with pivot.