CN101810403A

CN101810403A - Convertible furniture

Info

Publication number: CN101810403A
Application number: CN200910007867A
Authority: CN
Inventors: R·I·埃德加; R·A·考克斯
Original assignee: SUSAN KYLE THOMAS; BRIAN JURCHIKI
Current assignee: SUSAN KYLE THOMAS; BRIAN JURCHIKI
Priority date: 2009-02-20
Filing date: 2009-02-20
Publication date: 2010-08-25

Abstract

The invention relates to furniture (2) capable of being converted between chair and desk. The furniture is provided with two plates (4 and 6) which are hinged together and can move as follows: chair construction is shown, wherein one plate (4) is served as a seat and the other plate (6) is served as the back of chair, and desk construction is shown, wherein the plate forms the top of desk. A movable supporting part (14) is at the stacking position below the plate (4) in the chair construction and is rotatable with the hoisting position, at the hoisting position, the movable supporting part (14) provides support to the lower side of the plate (4) and support to a hinge (5). Preferable implementation comprises a spring loading pin fixed on one plate, and the spring loading pin is jointed with the supporting part to lock component into each one in construction thereof.

Description

Convertible furniture

Technical field

The present invention relates to a kind of article of furniture that can convert desk to from chair.Desk can play conventional desktop, but the desk that is particularly suitable for being used as ironing board or is used for changing baby' diaper or clothes.

Background technology

Be known that and build a kind of chair that is convertible into ironing table.These example is at United States Patent (USP) 5,507,549 and 5,833,306 and Australian Patent 686519 in describe.Although may be suitable for a spot ofly manual build and selling, because therefore their size, complexity and/or can not be decomposed for the flat pack transportation can not be used for a large amount of production or low-cost transportation in above referenced structure described in the prior.

Difficulty about the structure of former description is, unless manufacturing tolerance keeps closely, otherwise the device that the unit is locked onto in its various structures may produce a kind of structure, and this structure remains on not significantly motion in the hinge of composition plane element in the co-planar configuration rigidly with the element of desktop in table construction.Another difficulty of the structure of Miao Shuing was in the past, and the removable part of some of described unit can be moved during use by accident, thereby made described unit potentially unstable in some cases.

Summary of the invention

Target of the present invention provides and a kind ofly is convertible between chair and desk and overcomes the article of furniture of difficulty described above.

In first aspect, the invention provides a kind of between chair structure and table construction convertible furniture, described article of furniture comprises:

-the first plate portion, it is hinged on second plate portion at the second hinged edge place at the first hinged edge place by hinge means, and described first and second plate portions are movable between as upper/lower positions:

-corresponding primary importance, when in described chair structure, in this primary importance, described first plate portion is adopted common horizontal alignment makes the user be sitting in top seat to provide, and described second plate portion adopt be vertically oriented usually with provide make backrest that the described user that sits down leans on and

-corresponding the second place, when in described table construction, in this second place, described plate portion is aimed at has the table top of flat substantially upper face with formation; With

-rigid frame, it extends in the described second plate portion back when in described chair structure, and extends below described second plate portion when in described table construction,

-hinge connector, it connects described framework and described second plate portion, and described whereby second plate portion can tilt, and thus described first plate portion is promoted between its described first and second positions or reduce,

-movable bracing or strutting arrangement comprises:

-the first pillar, it is connected on the described framework by rotary connector, and described rotary connector has rotating shaft,

-the second pillar, it is connected on described first pillar that end away from described rotary connector rigidly, and described first and second pillars are arranged in the identical plane that rotatablely moves with described rotating shaft direct cross,

-described movable bracing or strutting arrangement banking up between position and the raised position below described first plate portion in being in described chair structure the time is rotating, in this raised position, described movable support component provides to the support of the downside of described first plate portion with to the support of described hinge means.

In the time of in being in described chair structure, being held the sliding pin that captures on described second plate portion can close with first termination of described second pillar, prevents travelling forward of described seat whereby.The sliding pin that keeps in the time of in being in described table construction capturing on described second plate portion can close with second termination of described second pillar, prevents moving upward of second plate portion whereby.

Preferably described second pillar has the form of pipe at place, its end at least, and when in described chair is constructed and when in described table construction, and described slidiing pin is in the hole that extends at the respective end place of described pipe.

Preferably described pin remains trapped in the housing that is rigidly fixed on second plate portion, and spring-load to stretch out from housing and by described second hinged edge.The handle that is connected on the described pin is exercisable, with the described pin of withdrawing from described outstanding state.

The door bolt device preferably is set optionally described pin is remained on from the position of described outstanding state withdrawal.Preferably described pin remains trapped in the housing that is rigidly fixed on second plate portion, and described pin is suitable for from housing and outstanding by described second hinged edge, and the door bolt device is set optionally described pin is remained in the described outstanding state.

Can comprise a pair of folder, each described folder is arranged in described first and second plate portions at respective end place of described hinged edge one, each described folder engages with hole or groove on another of described first and second plate portions when the furniture article are in described table construction whereby, stops the relative motion of described plate portion thus.Preferably each of described folder comprises pin part, this pin part with direction that described hinged edge parallels on promote with the described respective aperture in another that joins described first and second plate portions to by spring section.

Described first plate its can comprise on away from the edge of described hinge means be suitable for supporting when in described table construction be used for Ironing flatiron skid off heat-resisting support member.

In yet another aspect, a kind of kit that provides with flat pack and be suitable for being self-assembled into by the end user convertible furniture between chair structure and table construction can be provided in the present invention, and described tackling comprises:

-pair of side frames, each comprises:

The a pair of side leg of-chair,

-common vertical frame part, it supports the backrest of chair structure, and

-the frame part that extends forward, it is positioned at below the seat of chair structure;

-the parts that are rigidly connected are used for making described body side frame to be bonded with each other,

-the first plate portion, it is hinged on second plate portion at the second hinged edge place at the first hinged edge place by hinge means, described second plate portion comprises first rotary connector, described first rotary connector is suitable for being connected on the first corresponding end of described body side frame and connects between the first corresponding end of described body side frame, and

-movable bracing or strutting arrangement, it comprises second rotary connector, described second rotary connector is suitable for being connected on the second corresponding end of described body side frame and connects between the second corresponding end of described body side frame,

It is characterized in that sliding pin is held and is captured in the housing that is fixed to rigidly on described second plate portion, and be aligned be used for axially-movable with transverse to and stretch out by described hinged edge.

Description of drawings

In order to understand the present invention more fully, referring now to accompanying drawing will be only description by example the preferred embodiments of the present invention and other element are described, in the accompanying drawings:

Fig. 1 and 2 be respectively have a convertible chair form and the side view and the stereogram of article of furniture according to an embodiment of the invention;

Fig. 3 and 4 is respectively that the article of furniture in Fig. 2 is configured to side view and stereogram the way of conversion of table construction by it from chair;

Fig. 5 and 6 is views that the article in Fig. 4 further pass through its conversion;

Fig. 7 is the stereogram that the article in Fig. 6 ought further pass through its conversion again;

Fig. 8 and 9 is views that the article in Fig. 7 ought further pass through its conversion again; And

Figure 10 and 11 is that the article in Fig. 9 have been finished it is configured to the conversion of table construction from chair view;

Figure 12 is a view of overlooking the part of the seat plate that is formed on the chair among Fig. 2;

Figure 13 is the cross-sectional view by the plane A-A that represents in Figure 12;

Figure 14 is the decomposition view of the seat plate in Figure 12;

Figure 15 is from the back of the plate of the back part that is formed on the chair among Fig. 2/following view;

Figure 16 is the cross-sectional view by the plane B-B that represents in Figure 15;

Figure 17 is the most decomposition view of the element of the plate represented in Figure 15;

The decomposition view of some elements of the article that Figure 18 is in Figure 10 to be aimed at;

Figure 19 is some of the element represented in Figure 18 and the zoomed-in view of selecting add-on parts;

Figure 20 is the following part decomposition view that preferably can select the locking system of type from being in some instances;

Figure 21 is that the locking system of expression Figure 20 is when the stereogram that is in the lock state when middle; And

Figure 22 is the cross-sectional side view of the locking system in Figure 21.

The specific embodiment

The article of furniture 2 of expression is the apparatus that comprises main frame 12, movable support component 14, seat plate 4 and backboard 6 in Fig. 1 to 11.In this embodiment, all elements are formed from steel described except that following, but other material of structure can be used for selecting embodiment.

Apparatus 2 has the structure of chair 10 in Fig. 1 and 2, and apparatus 2 has the structure of desk 11 in Figure 10 and 11, and this desk 11 is particularly suitable for using when Ironing.In use, seat plate 4 and backboard 6 are covered by the fabric face layer (not shown) of two plates of extend through.

Seat plate 4 is connected on the adjacent edge that is hinged 7 of backboard 6 in such a way by hinge 5 at its 3 places, edge that is hinged, be seat plate 4 can be raised and backboard 6 be tilted, make them form table top 8 together, this table top 8 is supported with the movable support component 14 that turns to the position of

gripper shoe

4 and 6 by the top part 13 of main frame 12.

Main frame 12 has two

body side frames

16 and 18, and they are mirror image and connecting rod 20 each other.Each

body side frame

16 and 18 have respectively curve U-shaped by rectangular steel

tube bottom part

21 and 22 forming

side leg

26,27 and 28,29 respectively, the every pair of described side leg is connected by the upper beam part 23 of respective lower part 21,22.

Body side frame

16 and 18

top part

24 and 25 bend to the form with usually straight part 31 by round steel pipe, and this usually straight part 31 is joined on the usually straight in addition part 33 by central bend part 35.

Top part

24,25 each near the top of framework in the 38 places bending of respective curved portion to form the straight part 37 of weak point of horizontal alignment.Top part 24 and near 25 each straight part 39 of weak point of the front portion of framework, pointing to the formation level in bend 40 bendings.Short

straight end

37 and 39 extends to respectively outside the plane of

part

31,33 and 35 by their corresponding

adjacent flex portion

38 and 40, but does not extend to outside this plane very far away.Each

body side frame

16 and 18 is therefore not deep, and just the whole width of chair 10 is about 40%, thereby makes element be suitable for use in the flat pack of storage and shipment.

Respective top 37 is not joined directly, and lower end 39 is not bonded together yet.They replace by corresponding in greater detail later in this manual rotary connector 34 and are connected with 36.

Respective side framework 16 and each

bottom part

21 and 22 of 18 are soldered near the bend 35 and on its respective

upper part

24 and 25 at bend 40 places.Being welded on each

bottom part

21,22 is carriage 44, and this carriage 44 is portable hole 46 in its side 48.Connecting rod 20 carries female thread portion at each place, end, and it is fastening by screw 50 that hole 46 is passed in this each end.Selectively, among the embodiment that does not represent, bar 20 can have male thread portion at each place, end, and fastening by nut in the drawings.

Seat plate 4 is in the rise of chair or fall on the main frame 12 that directly is not attached to chair in the position.Seat plate replaces through hinge 5 and backboard 6 and is connected on the top of framework.In the time of in falling the position, seat plate 4 is placed on the

bottom part

21 and 22 upper beam 23 of carriage 44 and body side frame.When in raised position, seat plate 4 is placed on the movable support component 14.

Movable support component 14 has pillar 70, and this pillar 70 is being aligned in the symmetrical plane of row along the center of chair.One end of pillar 70 partly is soldered to second than on the sprag 72 with about 80 ° angle edge than sprag.Than sprag 72 thereby the longer part 78 that has a side one short-range short part 76 of long struts of extending to 70 and extend in the opposite direction.

In use, long struts 70 is the horizontal level (being illustrated in Fig. 1 and 4) when having the form of chair 10 when apparatus on rotary connector 36, swings to when apparatus converts the form of desk 11 to from the about 10 ° position of vertical inclination (being illustrated in Fig. 7 and 10).Equally swing to level when the table top is raised, and when adopting the chair form, drop to respect to vertical and be similar to 20 ° than sprag 72.

As from the decomposition view Figure 19 is seen, rotary connector 36 comprises the tube portion 69 on the end that is rigidly connected to pillar 70.Pipe 69 has the axle 41 that passes it and insert, and this axle 41 is smoothly be slidingly matched (neat sliding fit) in pipe 69.Axle 41 uses screw 42 to be attached on the corresponding lower end 39 of body side frame

top part

24 and 25 at place, each end, and this screw 42 is passed in hole 43 in

frame part

24 and 25 to be screwed in the screwed hole 45 in axle 41.Axle 41 freely rotates in pipe 69, and spring washer 47 provides low friction interface between each corresponding lower end 39 and pipe 69.The spring washer of Shi Yonging is a plastic material in this embodiment, and has wave-like, but can use the elastic washer of other type.

Rotary connector 34 connects top 37 and backboard 6.Its structure and rotary connector described above 36 are similar.Connector 34 comprises tube portion 56, axle 30 and the elastic washer 32 that is attached to rigidly on the backboard 6.Axle 30 passes pipe 56 with little matched in clearance, and is rigidly secured on the respective top 37 at each place of its end.Pipe freely rotates on axle, and packing ring 47 is positioned on the axle between each top 37 and pipe 56.Axle 30 is attached on the top 37 by screw by mode described above with packing ring 32 relative rotary connectors 36.When the structure of apparatus 2 changes to desk and returns chair when changing from chair respectively, backboard 6 tilts on connector 34 up and down.

As seeing at Figure 12 to 14, seat plate 4 comprises peripheral frame 51, and this peripheral frame 51 has thin rigidity plate 52 and the strengthening part 54 that is attached on it.Peripheral frame has by the continuous U-shaped part 53 that forms around the both sides of seat plate and the anterior thin-walled channel-section sheet metal that extends with along straight, the angle section of extending at the inward flange 7 at the place, rear portion of seat plate 4 and approaches metal part 55.U-shaped part 53 has two side parts 93 that engaged by anterior part 94.The thin-walled shape for hat cross section steel of straight length is strengthened extending to another side part 93 across parts 54 from a side part 93 as reinforcing.

Peripheral frame part

53 and 55 is welded to one another at their end place, and is welded to plate 52 and across on the parts 54, so that form rigid unitary seat plate structure.

As seeing at Figure 15 to 17, backboard 6 has the general structure with the structure similar of seat plate 4.Plate 6 has peripheral frame 51a, and thin rigidity plate 52a is attached on the peripheral frame 51a.Peripheral frame 51a has the continuous U-shaped part 53 of the thin-walled channel-section sheet metal formation of extending around the top of its both sides and backboard 6 and the thin metal part 55a in straight angle section that locates in the bottom of backboard.The straight length of thin-walled shape for hat cross section steel is as reinforcing another arm of strengthening extending to from the arm of part 53a across parts 54a part 53a.

Peripheral frame part

53a and 55a are welded to one another, and are welded to plate 52a and across on the parts 54a, so that form rigid unitary backboard structure.

For clarity, two

rigidity plates

52 and 52a are expressed as the opening mesh in Figure 12,14,15 and 17, and all remove in Figure 18.Do like this is in order to see otherwise the part that can be hidden.

A pair of short cylindrical shape rubber bumper 84 is attached in across the hole on the parts 54 88 by short column 86 thereon.Replace pillar, screw can be used for this attached.When seat plate 4 was reduced, each buffer 84 was aimed at the corresponding upper beam 23 of body side frame 16 and 18.Two rubber blankets 90 (being illustrated among Fig. 7) are attached on the end face of respective brackets 44, thereby each pad 90 is aimed at the side part 93 of seat mount.Buffer 84 and pad 90 provide 4 supports of elasticity that are used for seat plate 4 when as chair thus.

The downside of strengthening part 54 is with sticking patch 64 bonding of Velcro-type hook and ring fastener material above it, and cooperate sticking patch 65 by sprag 72 to forward extension 76 carryings, and other cooperation sticking patch 66 is bonded on the long struts 70.By this means, prevent that seat plate 4 from rising when being in chair or being in table construction.

In falling the position, prevent seat plate 4 to front slide by slide bolt door bolt 59, this slide bolt door bolt 59 and slides to engage with the open end 77 of the short part 76 of pillar 72 rigidly and be fixed firmly on the backboard 6.Door bolt is illustrated among Fig. 1-3,5,7,8,10,15 and 16, but for the sake of clarity saves from Figure 17 and 18.When apparatus was configured to its table construction, slide bolt door bolt 59 skidded off in the end 79 with the longer part 78 that navigates to the pipe that forms sprag 72.This location-

plate

4 and 6 with respect to movable support component 14 and securely in each of two kinds of structures.

Door bolt 59 comprises the straight pin 58 that is trapped in the tubular shell 57.Pin 58 has tapered guide end 60 so that it is inserted in the

open end

77 and 79 of pillar 72.Housing 57 has trough of belt opening 61 on a side, pass this trough of belt opening 61 outstanding handles 62 to allow pin 58 backward and manual operation forward.In the retracted position (being illustrated in Fig. 3 and 5) of pin, guiding end 60 returns fully in housing 57.In the extended position (being illustrated in Fig. 7 and 16) of pin, guide end 60 to extend and surmount frame part 55a and hinge 5 fully.

Pin 58 is preferably loaded with outstanding in its extended position by the helical spring (not shown) spring that keeps in housing 57.This can reduce accidental disengagement that pin engages with pillar 72.As seeing in Figure 15 and 16, trough of belt opening 61 has returned the

extension

68 and 71 that departs from it at the respective end place.Handle 62 can engage with groove extension 68 when pin 58 is return, and is engaging with groove extension 71 when pin 58 extends.This provides the bayonet coupling mechanism that is used for handle when pin 58 is return fully and extend fully.In Figure 15 and 16, pin is expressed as being extended but handle does not move around with engaging groove extension 71.When motion of handle was in any of groove extension, pin 58 rotated about 45 ° in its housing 57.

Plate

4 and 6 interacts in another way, to protect seat plate 4 not rise when at table construction and also further stablize table top 8 around the end of hinge 5.As seeing among Fig. 7, each side part 93 will lock folder 95 and be attached on it, and this locking folder 95 comprises the terminal pin 96 of circle that extends internally from plane spring steel body 97.Each body 97 is formed with its respective pins 96 of inside promotion, thereby joins in the corresponding aperture 91 in contact pin 92, and this contact pin 92 is extended from back frame part 53a.When selling 96 when being stuck in the hole 91, further stop along the bending of the table top of hinge.

Figure 19 represents other selectivity part.Welding (or otherwise firmly fixing) to the free end of the longer part 78 of sprag 72 is the short length of angle section metal, this supporter 74 that angle section metal forms and pillar 72 meets at right angles and is aligned.Supporter 74 be aligned of making in its flange 75 support component 14 in Figure 19, seen be raised in the position time extend upward.When apparatus was configured to its table construction, flange 75 was clamped between the hinged

edge

3 and 7 of seat plate and backboard.When apparatus was configured to its table construction, flange 75 and metal segments 74 were hold assemblies.This prevent or at

least confinement plate

4 and 6 wave with respect to the side direction of pillar 72.

Figure 20 to 22 expression is for the optionally locking system that relates to folder 95 described above.Can select among the embodiment at this, contact pin 192 is the extensions from the part 93 of the U-shaped part 53 of seat mount.Each contact pin 192 from the outward flange of frame part 53 to bias internal, thereby it can be nested in the frame part 53a and against this frame part.

At each place, end of hinge 5, spring steel locking folder 195 is connected to the inside of seat mount part 53.This connection is to carry out with the rivet 189 that passes seat mount part 53 by first end of the spring steel body 197 that passes folder 195.The pin 196 that second end carrying of the body of folder 195 is outwards pointed to, this pin 196 has hemispherical nose.The contact pin 192 of extending from seat mount part 53 has the hole 191 with the diameter that is a bit larger tham pin 196.The hole 191 that pin 196 is passed in the contact pin 192 is engaged (and outstanding from it).

Other hole 187 is positioned among the back frame part 53a in such position, make when seat plate 4 and backboard 6 are aligned in table construction, pin 196 is promoted to give prominence to and enter in the hole 187 to pass hole 191 by spring steel body 197, thus

part

53 and 53a is locked together.Cross section in Figure 22 is to obtain along the plane between folder body 197 and contact pin 192.In order to discharge described folder, the head of each pin 196 is pressed into by finger, and this allows backboard 6 to be swung away from.

Hinge 5 be connected to angle section

frame perimeter part

55 and 55a to the outside on

edge surface

98 and 99, this angle section

frame perimeter part

55 and 55a they end place a little excision so that hold locking folder 195.

As seeing among Fig. 7,10 and 11, being connected below the seat plate 4 is wire frames 83, and this wire frames 83 can skid off to be used for supporting the flatiron when the use desk Ironing.Framework 83 is expressed as withdrawal in Fig. 7, and is expressed as being extended in Figure 10 and 11.

Although above description comprises the preferred embodiments of the present invention, be appreciated that multiple variation, change, modification and/or interpolation can be incorporated in the structure and layout of the part of describing in the past, and do not break away from essential characteristic of the present invention or spirit or scope.The example of such variation, change and modification is as follows:

-use the pipe of square tubes rather than description for some of frame element, and/or use the square tube of pipes rather than description for some of frame element.

-replacing as described by solder joints and joint element, they can be connected rigidly by other device, as by riveted joint, screw connection or pass through adhesive.Selectively, joint element can be replaced by the single element that forms from individual unit.

-wire frames Iron support 83 can by form from sheet material or replace from the molded function equivalent element of thermosetting resin or other heat proof material.

-replace the use of Velcro-

type sticking patch

64,65 described above and 66 or in addition, other anchorage clip can be connected on the downside of seat plate 4, make it catch movable support component 14 in one of two positions securely.It is textural that this position depends on which kind of furniture just is being set at.A kind of anchorage clip of suitable type is by Egli Fischer﹠amp; Co A.G title " Clic Connector " down type sold from locker.

Claims

1. convertible furniture between chair structure and table construction, described article of furniture comprises:

-movable bracing or strutting arrangement comprises:

-the second pillar, it is connected on the end away from described rotary connector of described first pillar rigidly, and described first and second pillars are arranged in the identical plane that rotatablely moves with described rotating shaft direct cross,

2. article of furniture according to claim 1 wherein, in the time of in being in described chair structure, being held the sliding pin that captures on described second plate portion and closing with first termination of described second pillar, prevents described travel forward whereby.

3. article of furniture according to claim 1 wherein, in the time of in being in described table construction, being held the sliding pin that captures on described second plate portion and second termination of described second pillar and closing, and prevents moving upward of second plate portion whereby.

4. article of furniture according to claim 2, wherein, in the time of in being in described table construction, second termination of described sliding pin and described second pillar is closed, and prevents moving upward of described second plate portion whereby.

5. article of furniture according to claim 4, wherein, described second pillar has the form of pipe at place, its end at least, and when be in described chair construct in the time and in being in described table construction the time, described slidiing pin is in the hole that extends at the respective end place of described pipe.

6. according to each described article of furniture in the claim 2 to 5, wherein, described pin remains trapped in the housing that is rigidly fixed on second plate portion and is spring loaded to give prominence to from housing and by described second hinged edge.

7. article of furniture according to claim 6, wherein, the handle that is connected on the described pin is exercisable, with the described pin of withdrawing from described outstanding state.

8. article of furniture according to claim 6 wherein, is provided with the door bolt device optionally described pin is remained on from the position of described outstanding state withdrawal.

9. according to each described article of furniture in the claim 2 to 5, wherein, described pin is held and is captured in the housing that is rigidly fixed on second plate portion, described pin is suitable for from housing and outstanding by described second hinged edge, the door bolt device is set optionally described pin is remained in the described outstanding state.

10. according to each described article of furniture in the claim 1 to 5, also comprise a pair of folder, each described folder is arranged in described first and second plate portions at respective end place of described hinged edge one, whereby when the furniture article are in the described table construction, each described folder engages with hole or groove on another of described first and second plate portions, stops the relative motion of described plate portion thus.

11. article of furniture according to claim 10, wherein, each of described folder comprises pin part, this pin part with direction that described hinged edge parallels on promote by spring section to join in the described respective aperture in another at described first and second plate portions.

12. article of furniture according to claim 11, wherein, each of described pin part joins in the respective aperture of described first and second plate portions.

13. according to each described article of furniture in the claim 1 to 5, wherein, described first plate on its edge, comprise when being suitable in being in described table construction away from described hinge means support be used for Ironing flatiron skid off heat-resisting support member.

14. one kind is that provide with flat pack and be suitable for being self-assembled into by the end user kit of convertible furniture between chair structure and table construction, described kit comprises:

-pair of side frames, each comprises:

The a pair of side leg of-chair,

-common vertical frame part, it supports the backrest of chair structure, and

-the parts that are rigidly connected, it is used for making described body side frame to be bonded with each other,

It is characterized in that sliding pin is held and is captured in the housing that is fixed to rigidly on described second plate portion, and be aligned and be used for axially-movable, with transverse to and stretch out by described hinged edge.