GB2575049A - Joint system for a modular furniture assembly - Google Patents

Joint system for a modular furniture assembly Download PDF

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Publication number
GB2575049A
GB2575049A GB201810467A GB201810467A GB2575049A GB 2575049 A GB2575049 A GB 2575049A GB 201810467 A GB201810467 A GB 201810467A GB 201810467 A GB201810467 A GB 201810467A GB 2575049 A GB2575049 A GB 2575049A
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GB
United Kingdom
Prior art keywords
furniture part
female connector
joint system
furniture
connector portion
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.)
Withdrawn
Application number
GB201810467A
Other versions
GB201810467D0 (en
Inventor
Mccullough Stephen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kanso Ltd
Original Assignee
Kanso Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kanso Ltd filed Critical Kanso Ltd
Priority to GB201810467A priority Critical patent/GB2575049A/en
Publication of GB201810467D0 publication Critical patent/GB201810467D0/en
Priority to PCT/GB2019/051791 priority patent/WO2020002902A1/en
Priority to GB2101024.4A priority patent/GB2590274B/en
Publication of GB2575049A publication Critical patent/GB2575049A/en
Withdrawn legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B47/00Cabinets, racks or shelf units, characterised by features related to dismountability or building-up from elements
    • A47B47/0075Flat or flat-like panels connected without frames
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B12/00Jointing of furniture or the like, e.g. hidden from exterior
    • F16B12/44Leg joints; Corner joints
    • F16B12/46Non-metal corner connections
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B47/00Cabinets, racks or shelf units, characterised by features related to dismountability or building-up from elements
    • A47B47/04Cabinets, racks or shelf units, characterised by features related to dismountability or building-up from elements made mainly of wood or plastics
    • A47B47/042Panels connected without frames
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C19/00Bedsteads
    • A47C19/005Bedsteads dismountable
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2230/00Furniture jointing; Furniture with such jointing
    • A47B2230/0074Mortise and tenon joints or the like including some general male and female connections
    • A47B2230/0085Mutually slotted furniture joints
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B12/00Jointing of furniture or the like, e.g. hidden from exterior
    • F16B12/44Leg joints; Corner joints
    • F16B12/46Non-metal corner connections
    • F16B2012/463Non-metal corner connections for wooden members without additional elements

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Furniture Connections (AREA)
  • Connection Of Plates (AREA)

Abstract

A joint system (10) comprises a first furniture part (12A) having a female connector portion comprising a slot (14A) and a second furniture part (12B) having a corresponding female connector portion comprising a slot (14B). The slot (14A) of the first furniture part (12A) may comprise a body portion and two arm portions the body portion and the arm portions together defining tapered flukes. The tapered flukes may be configured to elastically deflect outwards when the first furniture part (12A) and the second furniture part (12B) are interlocked to secure the first furniture part (12A) and the second furniture part (12B) together.

Description

JOINT SYSTEM FOR A MODULAR FURNITURE ASSEMBLY
FIELD
This relates to a joint system for, but not exclusively, a modular furniture assembly.
BACKGROUND
A vast array of products are now manufactured as modular assemblies, which can be easily transported and then assembled at a desired location.
Modular furniture, for example, provides significant advantages over conventional furniture in terms of flexibility and cost. Nevertheless, there are a number of drawbacks with modular furniture systems.
For example, modular furniture is typically constructed from a number of parts which are then secured together using fasteners, such as dowels, screws, bolts or the like. A typical piece of furniture may require a significant number of the fasteners, increasing the amount of time and complexity of the assembly operation.
Missing fasteners also present a problem for both the purchaser and the supplier in terms of lost time, revenue and inconvenience.
Moreover, fasteners such as screws and bolts also require tools, such as a screwdriver, Allen key or the like to facilitate assembly, while dowels require a hammer or mallet; requiring the supplier to provide these with the assembly or the purchaser/assembler to have an appropriate tool at their disposal.
Modular furniture is typically constructed from wood, plywood, fibreboard, e.g. medium density fibreboard (“MDF”), or the like (referred to below simply as wood products). While MDF is known for its dimensional stability in comparison to timber, all wood products suffer from dimensional instability as a result of environmental conditions, such as temperature, humidity or the like. Such instability often causes problems both in the construction and/or disassembly of the modular assembly as the joints no longer function correctly. As a result of dimensional instability, modular furniture comprising no mechanical fixings may employ oversized lapping joints (or joints requiring tools to assemble). Oversized joints have the potential for significant joint movement tolerance, which may lead to noise when subject to external forces. There is also a potential for oversized joints to fall apart under construction.
SUMMARY
According to a first aspect, there is provided a joint system for a modular furniture assembly, comprising:
a first furniture part having a female connector portion formed therein;
a second furniture part having a corresponding female connector portion formed therein, wherein the female connector portion of the first furniture part and the female connector portion of the second furniture part together form a female-to-female interlock for securing the first furniture part and the second furniture part together.
Beneficially, embodiments of the joint system provide a joint which allows modular components, such as modular furniture components, to be easily and quickly assembled to form a strong yet flexible structure without the need for mechanical fasteners or other fixings. Readily capable of being assembled and taken apart by hand, the joint can be taken apart and reassembled with no loss of product strength or material integrity in a broad range of environments. Moreover, the joint tightens under load, giving strength and stability (for example when subject to rotational stress) yet offering the ability to open up easily when the load is removed. The joint system may provide further benefits such as: using similar components throughout the furniture to simplify assembly thereof, the furniture parts may be straightforward to recycle and/or the furniture parts may be reusable in different modular furniture assemblies. In some embodiments, the parts of the joint system may be made from the same material and/or have no mechanical fasteners or other fixings, which may allow the joint system to be easily and quickly disassembled so that the furniture parts may be recycled or otherwise reused.
The female connector portion of the first furniture part may be configured to clamp the female connector portion of the second furniture part.
The female connector portion of the first furniture part may be configured to provide a restriction that deforms or flexes upon the female connector portion of the second furniture part being inserted into the female connector portion of the first furniture part.
The second female connector portion of the second furniture part may be configured to clamp the female connector portion of the first furniture part. The female connector portion of the second furniture part may be configured to provide a restriction that deforms or flexes upon the female connector portion of the first furniture part being inserted into the female connector portion of the second furniture part.
At least one of the female connector portions may take the form of a slot. The slot may or may not provide a restriction or clamping function.
The female connector portion of the first furniture part and the corresponding female connector portion of the second furniture part may be identical or substantially identical. Alternatively, the female connector portions of the first and second furniture parts may be different.
The female connector portion of the first furniture part may take the form of a slot in the first furniture part.
At least one of the female connector portions may take the form of a slot configured to permit another of the female connector portions to be inserted into the slot without restriction and optionally may be configured such that, in use, a clamping force is not applied by the slot on the inserted female connector portion.
The slot may extend through the first furniture part. In other words, the slot may have a depth equal to the thickness of the first furniture part.
The slot may comprise a body portion.
The body portion may extend from a face, e.g. an end face, of the first furniture part.
A proximal section of the body portion may extend perpendicularly, or substantially perpendicularly, to the face of the first furniture part.
A distal section of the body portion may be tapered.
The distal section of the body portion may be tapered inwards.
In particular embodiments, the angle of taper of the distal section of the body portion may be 2 degrees. However, other suitable taper angles may be used where appropriate (e.g. 0.5, 1, 1.5, 2.5, 3, 3.5, 4 degrees, or the like). It will however be appreciated that the taper may vary by application.
The slot may comprise at least one arm portion.
The slot may comprise two arm portions.
The arm portion may extend outwardly from the body portion.
The body portion and the arm portion may define a locking portion.
The locking portion may define a fluke.
The locking portion may be movable relative to an axis of the body portion.
The locking portion may be configured to elastically deform outwards when the first and second furniture parts are engaged.
The locking portion may be configured to elastically deform inwards when the first and second furniture parts have been slotted together.
The locking portion may be movable outwards, that is away from the axis of the body portion.
The female connector portion of the second furniture part may take the form of a slot in the second furniture part.
The slot may extend through the second furniture part. In other words, the slot may have a depth equal to the thickness of the second furniture part.
The slot may comprise a body portion.
The body portion may extend from a face, e.g. an end face, of the second furniture part.
A proximal section of the body portion may extend perpendicularly, or substantially perpendicularly, to the face of the second furniture part.
A distal section of the body portion may be tapered.
The distal section of the body portion may be tapered inwards.
In particular embodiments, the angle of taper of the distal section of the body portion may be 2 degrees. However, other suitable taper angles may be used where appropriate (e.g. 0.5, 1, 1.5, 2.5, 3, 3.5, 4 degrees, or the like). It will however be appreciated that the taper may vary by application.
The slot may comprise at least one arm portion.
The slot may comprise two arm portions.
At least one arm portion may define a concave portion formed in a wall of the slot.
The concave portion may be configured to allow the at least one arm portion to flex to facilitate engagement of the first and second furniture parts.
The arm portion may extend outwardly from the body portion.
The body portion and the arm portion may define a locking portion.
The locking portion may define a fluke.
The locking portion may be movable relative to an axis of the body portion.
The locking portion may be configured to elastically deform outwards when the first and second furniture parts are engaged.
The locking portion may be configured to elastically deform inwards when the first and second furniture parts have been slotted together.
The locking portion may be movable outwards, that is away from the axis of the body portion.
The slot may be configured to provide a clamping function. The slot may be configured to define a restriction (e.g. in a first configuration) configured to deform or flex (e.g. to a second configuration) upon another part being inserted into the slot. The slot may be configured to return to its first configuration upon the part being removed from the slot.
The slot may be configured to provide an interference fit. For example, the body portion may not be deformable or flexible.
The slot may not be configured to provide a clamping function. For example, the slot may not provide a restriction.
At least one of the first component and the second component may be constructed from a sheet material. The sheet material may comprise a wood product, such as timber, medium density fibreboard (MDF), plywood or the like. It will be appreciated that other materials such as plastic, metal, fibrous, natural and/or manmade materials may be used alone or in combination to construct the sheet material. A joint system may comprise one or more materials.
At least one of the furniture parts may be configured to facilitate alignment between the first and second female connector portions so as to permit the female connector portions to be guided together, upon being connected, to form the female-tofemale interlock.
At least one of the furniture parts may comprise at least one bevelled portion. The at least one bevelled portion may be configured to facilitate respective alignment between the female connector portions. It will be appreciated that other shapedsurfaces may be configured to provide the alignment/guiding functionality.
In some embodiments, both the first and second furniture parts may comprise the female connector portion of the first furniture part.
Beneficially, embodiments of the joint system also provide a secure joint which addresses the inherent dimensional variability in the wood product which may occur with different environmental conditions.
The joint system may be provided as a kit of parts.
According to a second aspect, there is provided a modular bed assembly comprising the joint system according to the first aspect.
Beneficially, embodiments of the modular bed assembly provide a joint which allows modular components, such as modular furniture components, to be easily assembled to form a strong yet flexible structure without the need for mechanical fasteners or other fixings. Readily capable of being assembled by hand, the joint can be taken apart and reassembled with no loss of product strength or material integrity in a broad range of environments. Moreover, the joint tightens under load, giving strength and stability (e.g. when subject to rotational stress) yet offering the ability to open up easily when the load is removed. The bed assembly may provide further benefits such as: using similar components throughout the bed to simplify assembly thereof, the furniture parts may be straightforward to recycle and/or the furniture parts may be reusable in different modular furniture assemblies. In some embodiments, the parts of the joint system may be made from the same material and/or have no mechanical fasteners or other fixings, which may allow the joint system to be easily and quickly disassembled so that the furniture parts may be recycled or otherwise reused. Due to a degree of tolerance provided by one or more of the joints of the assembly, the overall structure may be flexible while retaining strength. Thus, depending on the tolerance and/or clamping force provided by one or more of the joints, the bed assembly may be self-levelling or be capable of compensating for an uneven floor by distributing the load across a plurality of the joints. At least one of the joints may be configured to provide a different degree of tolerance or clamping force to at least one other of the joints. Thus, certain joint(s) may provide strength, while other joint(s) may provide flexibility and/or permit a degree of rotational movement of the respective furniture parts.
The joint system used in the construction of the modular bed assembly provides a degree of flexibility, thereby providing a self-levelling function providing a solid base on uneven floor surfaces.
The modular bed assembly may comprise at least one clamping joint configured to secure at least one furniture part to at least one other furniture part and at least one slot configured to permit a degree of rotational flexibility between other furniture parts. Any number and combination of slots and clamping joints may be used to provide strength while retaining a degree of flexibility.
The modular bed assembly may comprise a reversible headboard configured such that the length of the bed assembly can be varied. For example, slots in the headboard may permit rails or other members to be inserted therethrough in order to engage joints or slots in another member of the bed assembly.
The modular bed assembly may comprise a first member.
The first member may comprise legs or at least one leg for supporting the modular bed assembly on the ground.
The modular bed assembly may comprise a headboard.
The first member may be couplable to and support the headboard of the modular bed assembly.
The headboard may comprise channels for coupling the headboard to the first member.
The modular bed assembly may comprise a second member. The second member may comprise legs or at least one leg.
The second member may form, or may be couplable to, a footboard of the modular bed assembly.
The modular bed assembly may comprise one or more rail.
The modular bed assembly may comprise a plurality of rails.
The modular bed assembly may further comprise a third member.
The third member may, in use, provide additional structural support to the modular bed assembly. However, it will be recognised that in other embodiments, the third member may not be required. In some embodiments, the third member may be inverted and/or provide additional functionality such as comprising at least one leg for providing additional structure support. For example, the third member may be configured to prevent bowing or deformation of the bed assembly due to the weight of the bed assembly or if the bed assembly is in use.
The modular bed assembly may be provided as a kit of parts.
According to a third aspect, there is provided a modular furniture assembly comprising the joint system according to the first aspect.
Beneficially, embodiments of the modular furniture assembly provide a joint which allows modular components, such as modular furniture components, to be easily assembled to form a strong yet flexible structure without the need for mechanical fasteners or other fixings. Readily capable of being assembled by hand, the joint can be taken apart and reassembled with no loss of product strength or material integrity in a broad range of environments. Moreover, the joint tightens under load, giving strength and stability (e.g. when subject to rotational stress) yet offering the ability to open up easily when the load is removed. The furniture assembly may provide further benefits such as: using similar components throughout the furniture to simplify assembly thereof, the furniture parts may be straightforward to recycle and/or the furniture parts may be reusable in different modular furniture assemblies. In some embodiments, the parts of the joint system may be made from the same material and/or have no mechanical fasteners or other fixings, which may allow the joint system to be easily and quickly disassembled so that the furniture parts may be recycled or otherwise reused. Due to a degree of tolerance provided by one or more of the joints of the assembly, the overall structure may be flexible while retaining strength. Thus, depending on the tolerance and/or clamping force provided by one or more of the joints, the assembly may be self-levelling or be capable of compensating for an uneven floor by distributing the load across a plurality of the joints. At least one of the joints may be configured to provide a different degree of tolerance or clamping force to at least one other of the joints. Thus, certain joint(s) may provide strength, while other joint(s) may provide flexibility and/or permit a degree of rotational movement of the respective furniture parts.
The joint system of any aspect or embodiment may be used in any type of furniture construction and is not limited to beds. For example, the joint system may be used in tables, chairs, desks, storage units such as cupboards, chests, wine racks, shelves, or the like, or indeed in any other type of furniture. The joint system may be used in the construction of any type of frame or other support structure for any desired purpose.
According to a fourth aspect there is provided a furniture part having a female connector portion formed therein, wherein the female connector portion is configured to form a female-to-female interlock for securing the furniture part to a further furniture part.
The furniture part of the fourth aspect may comprise one of the furniture parts of the first aspect. The furniture part of the fourth aspect may comprise one of: the first and second connector portions of the first aspect. The further furniture part of the fourth aspect may comprise the other one of: the first and second connector portions of the first aspect. The furniture part of the fourth aspect may comprise any feature of any aspect or embodiment described herein.
According to a fifth aspect, there is provided a joint system comprising:
a first part having a female connector portion formed therein;
a second part having a corresponding female connector portion formed therein, wherein the female connector portion of the first part and the female connector portion of the second part together form a female-to-female interlock for securing the first part and the second part together.
The first part may comprise a first furniture part or part of another structure or product.
The second part may comprise a second furniture part or part of another structure or product.
The joint system may have utility in any appropriate type of structure or product, for example, where the provision of the joint assembly in that structure or product may provide at least one similar benefit as described in relation to the aspects or embodiments described herein.
According to a sixth aspect there is provided a furniture part comprising a female connector portion according to any other aspect or embodiment described 5 herein. The female connector portion may be configured to clamp another furniture part upon insertion of that furniture part into the female connector portion (e.g. whether that furniture part provides a male or female engagement).
According to a seventh aspect there is provided a construction comprising the joint system according to any aspect or embodiment described herein.
It will be understood that features defined above or below may be utilised in isolation or in combination with any other defined feature.
BRIEF DESCRIPTION OF THE DRAWINGS
These and other aspects will now be described by way of example with reference to the accompanying drawings, of which:
Figure 1 shows an isometric view of a joint system;
Figure 2 shows a first furniture part of the joint system shown in Figure 1;
Figure 3 shows a second furniture part of the joint system shown in Figure 1;
Figure 4 shows an alternative second furniture part of the joint system shown in Figure 1;
Figures 5(a)-(b) show different types of slots for use in the joint system shown in Figure 1;
Figure 6 shows an isometric view of another joint system;
Figure 7 shows an isometric view of another joint system;
Figure 8 shows an isometric view of a modular bed assembly having the joint system shown in Figure 1;
Figure 9 shows a base plan view of the modular bed assembly shown in Figure 8;
Figure 10 shows a right side view of the modular bed assembly shown in Figure 8;
Figure 11 shows a left side view of the modular bed assembly shown in Figure 8; and
Figure 12 shows an isometric view of a further modular bed assembly.
DETAILED DESCRIPTION OF THE DRAWINGS
Referring first to Figures 1 to 4 of the accompanying drawings, there is shown a joint system 10 suitable for a modular furniture assembly. Figure 1 shows an isometric view of the joint system 10. Figure 2 shows a first furniture part 12A of the joint system 10 shown in Figure 1. Figure 3 shows a second furniture part 12B of the joint system 10 shown in Figure 1. Figure 4 shows an alternative version of the second furniture part 12B of the joint system 10 shown in Figure 1.
As shown, the first furniture part 12A has a female connector portion comprising slot 14A and the second furniture part 12B has a female connector portion comprising a corresponding slot 14B.
Referring now in particular to Figure 2, which shows the first furniture part 12A in more detail that is configured to provide a clamping function (i.e. so that the furniture part 12A can be configured to form part of a clamping joint), the slot 14A comprises a body portion 16A and two arm portions 18A that define a restriction therebetween, the body portion 16A and the arm portions 18A together defining tapered flukes 20A.
As shown in Figure 2, a proximal section 22A of the body portion 16A extends perpendicularly or substantially perpendicularly from face 24A of the first furniture part 12A, that is parallel to axis 26A while a distal section 28A of the body portion 16A is tapered, extending inwards towards the axis 26A.
Referring now in particular to Figure 3, which shows the second furniture part 12B in more detail, the slot 14B comprises a body portion 16B.
As shown in Figure 3, a proximal section 22B of the body portion 16B extends perpendicularly or substantially perpendicularly from face 24B of the second furniture part 12B, that is parallel to axis 26B. The slot 14B defines two walls 31B of the body portion 16B that face each other with the axis 26B extending along a mid-way plane defined between the two walls 31B which are substantially parallel to each other. A distal section 28B of the body portion 16B defines a concave portion 29B formed in each wall 31B of the slot 14B. In this embodiment, the concave portion 29B simply allows the slot 14B to be machined in a single run. In which case, the slot 14B is sized such that a corresponding part may be inserted into and/or removed from the slot 14B without requiring any flexibility in the body portion 16B (i.e. the slot 14B does not provide a clamping function). However, in other embodiments, the concave portion 29B allows the body portion 16B to flex to facilitate engagement of the first and second furniture parts 12A, 12B. This flexibility may ease the assembly and/or disassembly of the first and second furniture parts 12A, 12B (i.e. if the slot 14B is sized such that a clamping function is provided by the body portion 16B (which collectively define a restriction) when another part is inserted into the slot 14B). Optionally, the walls 31B may be tapered in a similar manner to the tapered flukes 20A of the first furniture part 12A to enable an outward deflection of the walls 31B of the body portion 16B.
In use, the first furniture part 12A and the second furniture part 12B are arranged generally perpendicular to each other, the first furniture part 12A and the second furniture part 12B then engaging one another in an interlocking fashion via the slots 14A,14B as shown in Figure 1 to secure the first furniture part 12A and the second furniture part 12B together.
The tapered flukes 20A formed by the body portion 16A/arm portions 18A of the first furniture part 12A are configured to elastically deflect outwards on engagement between the first furniture part 12A and the second furniture part 12B and then return to their original, inwardly tapered, position. Beneficially, the tapered flukes 20A and body portion 16B are machined to close/specific tolerances to ensure flexibility, strength and ease of assembly/disassembly. The slot 14A provides a clamping function so that the arm portions 18A (which define a restriction) elastically deform and thereby clamp onto the second furniture part 12B. The slot 14B in this embodiment does not clamp onto the first furniture part 12A (however, in other embodiments and/or applications it may provide a clamping function).
In an alternative embodiment depicted in part by Figure 4 and shown in assembled form in Figure 6, both the first and second furniture parts each comprise a slot 14A, 14C that are the same as each other, the slot 14C comprising a body portion 16C and two arm portions 18C, the body portion 16C and the arm portions 18C together defining tapered flukes 20C. In other words, the joint system comprises two of the first furniture parts 12A that are configured to interlock together in a similar manner to that described in relation to Figures 2 and 3. As shown in Figure 4, a proximal section 22C of the body portion 16C extends perpendicularly or substantially perpendicularly from face 24C of the second furniture part 12C, that is parallel to axis 26C while a distal section 28C of the body portion 16C is tapered, extending inwards towards the axis 26C.
In use, the first furniture part 12A and the second furniture part 12C are arranged generally perpendicular to each other, the first furniture part 12A and the second furniture part 12C then engaging one another in an interlocking fashion via the slots 14A,14C as shown in Figure 6 to secure the first furniture part 12A and the second furniture part 12C together.
The tapered flukes 20A, 20C formed by the body portions 16A, 16C and arm portions 18A, 18C are configured to elastically deflect outwards on engagement between the first furniture part 12A and the second furniture part 12C and then return to their original, inwardly tapered, position. Beneficially, the tapering flukes 20A, 20C are machined to close/specific tolerances to ensure flexibility, strength and ease of assembly/disassembly.
Figures 5(a)-(b) depict a comparison of two different slot designs based on the slot 14B depicted by Figure 3. The slot 14B of Figure 5a is identical to that of Figure 3. However, Figure 5(b) shows an alternative embodiment of a slot 14D in which a bevelled edge 15D is provided between each wall 31D of the slot 14D and a respective face 24D of the furniture part 12D. The bevelled edge 15D is configured to facilitate alignment between the slot 14D and a corresponding furniture part so as to permit the corresponding furniture part to be guided into the slot 14D. The bevelled edge 15D may make it easier to connect the furniture parts together since a range of different relative orientations or angles between the parts may be accepted. The bevelled edge 15D may provide the guiding function so that if one or more furniture parts are misaligned, each bevelled edge 15D of one or more slots 14D may simultaneously assist in reorienting the various furniture parts to collectively align and guide the one or more furniture parts together. A user may find it easier to assemble a furniture item if certain furniture parts collectively align various other furniture parts upon inserting one or more furniture parts into one or more other furniture parts.
Figure 7 depicts an alternative embodiment of the joint system 10 in which there is a first furniture part 12A and a second furniture part 12E. The first furniture part 12A is identical to that of Figure 1. However, the second furniture part 12E simply comprises a body portion 16E without any form of slot. Thus, the second furniture part 12E defines a male portion that is configured to be engaged with the female connector portion (i.e. defined by slot 14A) of the first furniture part 12A.
Embodiments of the joint system 10 provide a number of advantages over conventional modular systems. For example, the joint system 10 provides a joint which allows modular components, such as modular furniture components, to be easily assembled to form a strong yet flexible structure without the need for mechanical fasteners or other fixings. Readily capable of being assembled by hand, the joint can be taken apart and reassembled with no loss of product strength or material integrity in a broad range of environments. Moreover, the joint tightens under load, giving strength and stability (e.g. when subject to rotational stress) yet offering the ability to open up easily when the load is removed. The joint system may provide further benefits such as: using similar components throughout the furniture to simplify assembly thereof, the furniture parts may be straightforward to recycle and/or the furniture parts may be reusable in different modular furniture assemblies. In some embodiments, the parts of the joint system may be made from the same material and/or have no mechanical fasteners or other fixings, which may allow the joint system to be easily and quickly disassembled so that the furniture parts may be recycled or otherwise reused. Due to a degree of tolerance provided by one or more of the joints of the assembly, the overall structure may be flexible while retaining strength. Thus, depending on the tolerance and/or clamping force provided by one or more of the joints, the bed assembly may be self-levelling or be capable of compensating for an uneven floor by distributing the load across a plurality of the joints. At least one of the joints may be configured to provide a different degree of tolerance or clamping force to at least one other of the joints. Thus, certain joint(s) may provide strength, while other joint(s) may provide flexibility and/or permit a degree of rotational movement of the respective furniture parts. For example, a slot 14B may permit a degree of rotational movement while a slot 14A may restrict rotational movement between respective parts. Thus, a combination of slots 14A and 14B may provide such flexibility and/or strength.
It will be recognised that the joint system 10 may be utilised in a wide variety of modular furniture applications.
By way of example, and referring now in particular to Figures 8 to 11 of the accompanying drawings, there is shown a modular bed assembly 100 which utilises the joint system 10 described above.
As shown in Figures 8 to 11, the modular bed assembly 100 comprises a first member 102 having legs for supporting the assembly 100 on the ground. The first member 102 is couplable to and supports a headboard 104 of the bed assembly 100. The headboard 104 comprises channels 106 for coupling the headboard 104 to the first member 102. A second member 108 having legs forms a footboard of the bed assembly 100. A number of rails 110 (thirteen rails 110 are shown in the illustrated bed assembly 100).
In the illustrated bed assembly 100, the modular bed assembly 100 further comprises a third member 112, the third member 112 in use providing additional structural support to the bed assembly 100. However, it will be recognised that in other embodiments, the third member 112 may not be required or may be used in a different manner as described below.
In order to facilitate assembly of the modular bed assembly 100, each of the first member 102, the second member 108, the rails 110 - and the third member 112 where provided - are formed with female connector portions in the form of slots 114 (see Figure 10), the slots 114 comprising any of the slots 14A, 14B, 14C, 14D described above. In the present embodiment, the third member 112 comprises slots 14B of the form depicted by Figures 3/5(a) while the corresponding parts of the rails 110 comprise slots 14D of the form depicted by Figure 5(b). The parts of the rails 110 that engage the first and second members 102, 108 comprise slots 14A of the form depicted by Figure 2. The first and second members, 102 and 108, themselves comprise slots 14B of the form depicted by Figure 3 for connecting to the rails 110. It will however be appreciated that the precise combination of slots 14A, 14B, 14C, 14D can be varied as required depending on the application for any of the parts of the bed assembly 100. It will be appreciated that the third member 110 may be inverted and/or may comprise any combination of slots 14A, 14B, 14C, 14D depending on the design specification.
The provision of the slots 106 may allow the headboard 104 to be reversible (i.e. each rail 110 can be inserted through the slots for engaging with a respective slot 14A, 14B of the first member 102). Thus, the length of the bed can be varied (e.g. by 10 cm or another appropriate value) by reversing the headboard 104 with respect to the rest of the bed assembly 100. This may be useful for accommodating different size mattresses that are supplied. Thus, the same bed assembly 100 is compatible with different lengths of mattresses.
In one example method for assembling the bed assembly 100, the first member 102 may be initially connected to second member 108 using a single rail 110. The single rail 110 may be the central rail for instance. This initial connection may be made by a single user (i.e. two-user assembly may not be required) and the part-assembled bed 100 (by virtue of the clamping joints) may stand up-right without falling apart and ready for connection of the remaining rails 110 (again by a single user). Finally, the third member 112 may be connected (e.g. to provide further structural strength). In a preferred embodiment, the rails 110 comprise slots 14D at the mid-point along the rails 100. However, it will be appreciated that the type of joint used may depend on the particular application and/or design specification. The process may be reversed to quickly disassemble the bed (again by a single user).
Depending on the tolerance and/or clamping force provided by one or more of the joints, the bed assembly may be self-levelling or be capable of compensating for an uneven floor by distributing the load across a plurality of the joints.
A further embodiment of a bed assembly 100A is depicted by Figure 12, which is very similar to the bed assembly 100 of Figure 8 apart from the third member 112A comprises two legs that provide support at a mid-point between the first and second members 102A, 108A. In addition, it will be noted that the third member 112A is inverted compared with the third member 112 of Figure 8 and in this case does not comprise the same slots 14D. Rather, the third member 112A of Figure 12 includes the slots 14B for connecting to the rails 110A. Again it will be appreciated that any type and combination of slots 14A, 14B, 14C, 14D may be used as appropriate. It will also be appreciated that while a degree of self-levelling may be provided by this embodiment, the additional legs may reduce the overall flexibility of the assembly compared with the embodiment of Figures 8 to 11. The assembly/disassembly of the bed assembly 100A may be similarly very easy as in the embodiment of Figures 8 to
11.
The joint system of any aspect or embodiment may be used in any type of furniture construction and is not limited to beds. For example, the joint system may be used in tables, chairs, desks, storage units such as cupboards, wine racks, shelving, chests or the like, or indeed in any other type of furniture. The joint system may be used in the construction of any type of frame or other support structure for any desired purpose.
The joint system may have utility in any appropriate type of structure or product, for example, where the provision of the joint assembly in that structure or product may provide at least one similar benefit as described in relation to the aspects or embodiments described herein. Thus, the joint system may have utility in fields other than furniture such as construction and models.
While some embodiments depict a joint configured to provide a clamping function by virtue of comprising tapered flukes, it will be appreciated that other forms of clamping joints or configurations may be provided. For example, rather than comprising a taper, there may simply be an undulation or curved portion that provides a restriction. A restriction may be defined where another part that engages the joint has a dimension that is larger than the restriction. The restriction may ensure that the joint system/assembly does not easily fall apart if moved.
The clamping joint may be configured to provide a restriction that deforms or flexes upon another part being inserted into the joint. In addition, upon such a part being removed from the clamping joint, the restriction may or may not return to its original position (i.e. depending on its flexibility or deformability). While some embodiments depict tapered flukes in which a space is provided within the body portion to permit the flukes to flex or deform, such a space may not be required depending on the material and/or application. For example, some materials may have an inherent deformability that permits the restriction to be provided without such a space. In some embodiments, different materials or structures may be provided in order to provide the restriction.
It will be appreciated that the exact configuration of the joint system may be specific to each application. Thus, depending on the desired properties of the joint system based on the application, variations to dimensions, clamping strength (or no clamping required), material type, number of materials, and/or the like may be permitted in order to fulfil a design specification.
The shape, form and/or properties of the joint system may therefore vary by application.
It will further be appreciated that while some embodiments described herein refer to furniture parts, the joint systems and parts described herein may be modified 5 according to application in order to fulfil a design specification.
It should be understood that the embodiments described herein are merely exemplary and that various modifications may be made thereto without departing from the scope of the invention.

Claims (24)

1. A joint system for modular furniture, comprising:
a first furniture part having a female connector portion formed therein;
a second furniture part having a corresponding female connector portion formed therein, wherein the female connector portion of the first furniture part and the female connector portion of the second furniture part together form a female-to-female interlock for securing the first furniture part and the second furniture part together.
2. The joint system of claim 1, wherein the female connector portion of the first furniture part is configured to clamp the female connector portion of the second furniture part.
3. The joint system of claim 1 or 2, wherein the female connector portion of the first furniture part is configured to provide a restriction that deforms or flexes upon the female connector portion of the second furniture part being inserted into the female connector portion of the first furniture part.
4. The joint system of claim 1, 2 or 3, wherein the second female connector portion of the second furniture part is configured to clamp the female connector portion of the first furniture part, and optionally wherein the female connector portion of the second furniture part is configured to provide a restriction that deforms or flexes upon the female connector portion of the first furniture part being inserted into the female connector portion of the second furniture part.
5. The joint system of any preceding claim, wherein at least one of the female connector portions take the form of a slot.
6. The joint system of claim 5, wherein the slot comprises a body portion.
7. The joint system of claim 6, wherein a distal section of the body portion is tapered inwards.
8. The joint system of claim 5, 6 or 7, wherein the slot comprises at least one arm portion.
10. The joint system of claim 8, wherein the slot comprises two arm portions.
11. The joint system of claim 8 or 9, when dependent on claim 6, wherein the body portion and the arm portion define a locking portion.
12. The joint system of claim 11, wherein the locking portion defines a fluke.
13. The joint system of claim 11 or 12, wherein the locking portion is configured to elastically deform outwards when the first and second furniture parts are engaged.
14. The joint system of claim 11, 12 or 13, wherein the locking portion is configured to elastically deform inwards when the first and second furniture parts have been slotted together.
15. The joint system of any preceding claim, wherein at least one of the female connector portions takes the form of a slot configured to permit another of the female connector portions to be inserted into the slot without restriction and optionally configured such that, in use, a clamping force is not applied by the slot on the inserted female connector portion.
16. The joint system of any preceding claim, wherein at least one of the furniture parts is configured to facilitate alignment between the first and second female connector portions so as to permit the female connector portions to be guided together, upon being connected, to form the female-to-female interlock.
17. The joint system of 16, wherein at least one of the furniture parts comprises at least one bevelled portion configured to facilitate respective alignment between the female connector portions.
18. The joint system of any preceding claim, wherein at least one of the first furniture part and the second furniture part are constructed from a sheet material.
19. The joint system of any preceding claim, wherein at least one of the first furniture part and the second furniture part comprises a wood product, such as timber, medium density fibreboard (MDF), plywood.
20. A furniture part comprising a female connector portion according to any one of claims 1 to 19, the female connector portion being configured to clamp another furniture part upon insertion of that furniture part into the female connector portion.
21. A modular bed assembly comprising the joint system according to any preceding claim.
22. The modular bed assembly of claim 21, comprising at least one clamping joint configured to secure at least one furniture part to at least one other furniture part and at least one slot configured to permit a degree of rotational flexibility between other furniture parts.
23. The modular bed assembly of claim 21 or 22, comprising a reversible headboard configured such that the length of the bed assembly can be varied.
24. A modular furniture assembly comprising the joint system according to any one of claims 1 to 19.
25. A construction comprising the joint system according to any one of claims 1 to 19.
GB201810467A 2018-06-26 2018-06-26 Joint system for a modular furniture assembly Withdrawn GB2575049A (en)

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GB201810467A GB2575049A (en) 2018-06-26 2018-06-26 Joint system for a modular furniture assembly
PCT/GB2019/051791 WO2020002902A1 (en) 2018-06-26 2019-06-25 Joint system for a modular furniture assembly
GB2101024.4A GB2590274B (en) 2018-06-26 2019-06-25 Joint system for a modular furniture assembly

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Application Number Priority Date Filing Date Title
GB201810467A GB2575049A (en) 2018-06-26 2018-06-26 Joint system for a modular furniture assembly

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Citations (6)

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US1903631A (en) * 1932-01-26 1933-04-11 Alfred J Morrison Collapsible table
US20030066814A1 (en) * 2001-10-04 2003-04-10 Wen-Tsan Wang Combination display rack
US6807912B2 (en) * 2001-12-11 2004-10-26 Scott Willy Ready-to-assemble articles of furniture
GB2411707A (en) * 2004-03-05 2005-09-07 Paul Shenton Panel connection system
WO2007113893A2 (en) * 2006-04-03 2007-10-11 Benito Broglia Self-standinq shelf unit
US20090066140A1 (en) * 2007-09-12 2009-03-12 Roger Jason Berent Flat pack friction fit furniture system

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US2411707A (en) * 1941-12-24 1946-11-26 Arnold E Biermann Compressor
US5121526A (en) * 1990-08-15 1992-06-16 Eugene R. Burkard Interconnection clip for model structures
US6669526B2 (en) * 2002-03-26 2003-12-30 Mattel, Inc. Construction toy set having low insertion force connecting bodies
DE102015001581A1 (en) * 2015-01-12 2016-07-14 Ronny Thierfelder Method of making furniture and furniture

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1903631A (en) * 1932-01-26 1933-04-11 Alfred J Morrison Collapsible table
US20030066814A1 (en) * 2001-10-04 2003-04-10 Wen-Tsan Wang Combination display rack
US6807912B2 (en) * 2001-12-11 2004-10-26 Scott Willy Ready-to-assemble articles of furniture
GB2411707A (en) * 2004-03-05 2005-09-07 Paul Shenton Panel connection system
WO2007113893A2 (en) * 2006-04-03 2007-10-11 Benito Broglia Self-standinq shelf unit
US20090066140A1 (en) * 2007-09-12 2009-03-12 Roger Jason Berent Flat pack friction fit furniture system

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GB2590274A (en) 2021-06-23
GB2590274B (en) 2022-04-20
WO2020002902A1 (en) 2020-01-02
GB201810467D0 (en) 2018-08-08
GB202101024D0 (en) 2021-03-10

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