EP3679257A1 - Joining and levelling system for parts of furniture and furnishing items with minimum encumbrance - Google Patents
Joining and levelling system for parts of furniture and furnishing items with minimum encumbranceInfo
- Publication number
- EP3679257A1 EP3679257A1 EP18770090.1A EP18770090A EP3679257A1 EP 3679257 A1 EP3679257 A1 EP 3679257A1 EP 18770090 A EP18770090 A EP 18770090A EP 3679257 A1 EP3679257 A1 EP 3679257A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- foot unit
- levelling
- shoulder
- furniture
- rear foot
- 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.)
- Pending
Links
- 230000000903 blocking effect Effects 0.000 claims abstract description 34
- 229910000842 Zamak Inorganic materials 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 14
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B91/00—Feet for furniture in general
- A47B91/005—Support bases
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B9/00—Tables with tops of variable height
- A47B9/04—Tables with tops of variable height with vertical spindle
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B91/00—Feet for furniture in general
- A47B91/02—Adjustable feet
- A47B91/022—Adjustable feet using screw means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B12/00—Jointing of furniture or the like, e.g. hidden from exterior
- F16B12/10—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like
- F16B12/12—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like for non-metal furniture parts, e.g. made of wood, of plastics
- F16B12/20—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like for non-metal furniture parts, e.g. made of wood, of plastics using clamps, clips, wedges, sliding bolts, or the like
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B12/00—Jointing of furniture or the like, e.g. hidden from exterior
- F16B12/10—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like
- F16B12/12—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like for non-metal furniture parts, e.g. made of wood, of plastics
- F16B12/20—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like for non-metal furniture parts, e.g. made of wood, of plastics using clamps, clips, wedges, sliding bolts, or the like
- F16B12/2009—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like for non-metal furniture parts, e.g. made of wood, of plastics using clamps, clips, wedges, sliding bolts, or the like actuated by rotary motion
- F16B12/2054—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like for non-metal furniture parts, e.g. made of wood, of plastics using clamps, clips, wedges, sliding bolts, or the like actuated by rotary motion with engaging screw threads as securing means for limiting movement
- F16B12/2063—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like for non-metal furniture parts, e.g. made of wood, of plastics using clamps, clips, wedges, sliding bolts, or the like actuated by rotary motion with engaging screw threads as securing means for limiting movement with engaging screw threads as tightening means
Definitions
- the present invention relates to a joining and levelling system for parts of furniture and furnishing items with minimum encumbrance.
- Solutions are also known in which the joining and levelling systems for parts of furniture and furnishing items are contained in confined spaces below the furniture and propose a generally front actuation that involves both the device for joining a bottom to a shoulder and also the levelling device of the piece of furniture .
- the solution in this case must be such as to sustain the entire weight of the furniture - shoulders, bottom and shelves - as well as the additional contents without any support except for that of the feet, allowing the junctions and ad ustments between the parts to be effected in truly minimal spaces and without forming any visible holes.
- the general objective of the present invention is to provide a joining and levelling system for parts of furniture and furnishing items that solves the problems and drawbacks indicated above.
- a further objective of the present invention is to provide a joining and levelling system for parts of furniture and furnishing items that is particularly simple, compact and capable of supporting the entire weight of the furniture with its additional contents when in use.
- Another objective of the present invention is to provide a joining and levelling system for parts of furniture and furnishing items that allows a front connection and adjustment, also for rear joints and levelling feet.
- Yet another objective of the present invention is to provide a joining and levelling system for parts of furniture and furnishing items that is also accessible when said furniture has an extremely restricted space below the bottom and with serious difficulty of access.
- figure 1 is a perspective view illustrating a first example of a joining and levelling system for parts of furniture and furnishing items with minimum encumbrance produced according to the present invention designed for joining a shoulder and a base or bottom of a piece of furniture with a front foot unit and a rear foot unit positioned beneath both the shoulder and the bottom of the piece of furniture, neither of which rests on the floor;
- figure la is a view from below of the joining and levelling system shown in figure 1;
- FIG. 2 is a raised sectional view obtained according to the line II-II of figure la of the front foot unit with a joining and levelling device with the addition of the bottom and a shoulder;
- figure 3 is a raised sectional view obtained according to the line III-III of figure la of the front foot unit with a joining and levelling device with the addition of the bottom and a shoulder;
- FIGS. 4 and 5 are perspective views according to different directions of a front and/or rear foot unit provided with the joining device and leveller inserted therein;
- FIGS 6 and 7 are plan views from above and below of the foot unit of figures 4 and 5;
- FIGS. 8, 9 and 10 are raised views from the two long sides and from a short side of the foot unit of figures 4 and 5;
- figure 11 is a perspective view similar to that of figure 4 with a joining device and leveller exploded from the foot unit;
- FIG. 12 and 13 are perspective views with partially exploded parts of the joining device alone and of the levelling device alone as shown in figure 11;
- FIGS. 14 to 17 are perspective views that show consecutive insertion phases of the front and rear foot units into the bottom, the transmission rods therein, the blockage in position of said transmission rods and the assembly of the shoulder with respect to the bottom provided with foot units;
- FIG. 18 is a perspective view illustrating a second example of a simplified joining system for parts of furniture and furnishing items with minimum encumbrance produced according to the present invention designed for joining a shoulder and a base or bottom of a piece of furniture with a front foot unit and a rear foot unit positioned beneath both the shoulder and the bottom of the furniture, neither of which rests on the floor;
- figure 18a is a view from below of the joining and levelling system shown in figure 18;
- figure 19 is a raised sectional view obtained according to the line XIX-XIX of figure 18a of the front foot unit with a joining and levelling device with the addition of the bottom and a shoulder;
- FIG. 20 and 21 are perspective views according to different directions of a front and/or rear foot unit provided with the joining device inserted therein;
- figures 22 and 23 are plan views from above and below of the foot unit of figures 20 and 21;
- figure 27 is a perspective view similar to that of figure 20 with a joining device exploded from the foot unit;
- figure 28 is a perspective view with partially exploded parts of the joining device alone as shown in figure 27;
- figure 29 is a perspective view from above of the joining and levelling system of figure 1 which also shows a tool-guiding device suitable for being used in the assembly and adjustment phase of furniture or furniture items.
- the figures partially illustrate a piece of furniture M provided with a shoulder 11 (in the examples side walls) (only one of which is shown) and a bottom 12.
- Figures 1 to 17 show how, in a first example of the system of the invention, at least one front foot unit
- Both of the foot units 14 and 15 incorporate joining devices between the parts of the furniture and furnishing items and levelling devices with respect to the floor P.
- Figures 1 to 13 show how a generic foot unit 14 and
- a body 16 for example prismatic, that can be associated beneath both the bottom 12 and the shoulder 11.
- the body 16 for example moulded in zamak or plastic or in another material suitable for the purpose, provides voids and ribs for lightening and/or stiffening.
- the body 16 provides a first recessed seat or housing 18 for a blocking group GB of a joining device and a second recessed, seat or housing 20 for a levelling device 21.
- Figure 2 shows how the blocking group GB of the blocking device is at least partially housed in a blind hole 22 formed in the lower surface 23 of the bottom 12. Furthermore, the joining device provides a connection group GC associated with the blocking group GB . In particular, the connection group GC is inserted aligned in axis with a symmetry axis X of the thickness of the bottom 12. More specifically, it can be seen how the shoulder 11 provides a seat SI in the form of a horizontal blind hole 24, a threaded end 25 of a pin 26 protruding from the shoulder 11, being positioned in said hole 24.
- the pin 26, in axis with the thickness of the bottom, is housed in a horizontal hole 27 of the bottom 12 itself. It can also be noted that the hole 27 is aligned with the hole 24 of the shoulder 11 of the furniture M.
- the pin 26 in its protruding part, provides a housing 28 for a tip of a blocking grub screw 29 of the blocking group GB of the joining device .
- the blocking group GB of the joining device provides a cylindrical casing, formed, for example, by a pair of half-shells 31, 32.
- a hole 33 for actuating the blocking group GB of the joining device is formed below in one of the half-shells 31 of the casing.
- the hole 33 provides access to movement means of the grub screw 29 previously mentioned.
- the grub screw 29 is in fact caused to slide inside the casing 31, 32 by means of a pinion-toothed crown bevel 34, 35.
- a pinion 34 is rotatingly positioned inside the casing 31, 32, and engages with a toothed crown 35, formed as the head of a threaded screw 36.
- the toothed crown 35 is only rotatable inside the casing 31, 32 in a seat 37, but not translatable.
- the threaded screw 36 is in turn positioned in an axial threaded hole 38 inside the grub screw 29. The rotation of the threaded screw 36 causes the movement of the grub screw 29 between an engagement
- a tool (not shown) , by means of its tip, controls the pinion 34 passing through both a front opening 39 of the body 16 and the hole 33 of the half-shell 31 of the casing.
- a ring 40 blocks the two half-shells 31, 32 containing the mechanism between, the same.
- Figure 3 shows how a. part of the le elling device
- the levelling device 21 provides a cylindrical casing, formed for example by means of a pair of half- shells 44, 45 blocked together by means of a base cap or lid 53.
- a hole 46 is provided below for actuating the levelling device 21.
- the hole 46 provides access to movement means of the leveller.
- a pinion-toothed crown bevel is in fact positioned inside the casing 44, 45.
- a pinion 47 is rotatingly positioned inside the casing 44, 45, and engages with a toothed crown 48, formed as the head of a threaded screw 49.
- the toothed crown 48 is rotatable inside a housing 50 of the casing 44, 45, free to rotate but not to translate.
- the threaded screw 49 is in turn positioned in a threaded hole 51 inside a hollow pusher element 52, in the form of an overturned cup.
- the hollow pusher element 52 is positioned coaxially with respect to the outside of the casing 44, 45.
- the rotation of the threaded screw 49 causes the upward and/or downward movement of the hollow pusher element 52 and the adjustment of the leveller by means of a thrust engagement inside a blind hole 43 formed in the bottom 12.
- a tool controls, through its tip, the pinion 47 passing through both a front opening 64 of the body 16 and the hole 46 of the half-shell 44 of the casing .
- Figure 14 shews how a front foot unit 14 and a rear foot unit 15 provided with a joining device and a levelling device, are inserted in the respective holes 22 and 43 formed below the bottom 12.
- Figure 15 shows how, once positioned in this way, the front foot unit 14 and the rear foot unit 15, complete with joining device and levelling device, are provided with two transmission (return) rods 54.
- Said transmission rod.s 54 are arranged passing through openings 55, 56 and channels 57, 58 of the body 16 of the front foot unit 14 to reach and engage their ends in pinions 34 and 47 of the joining device and levelling device of the rear foot unit 15.
- the following figure 16 shows how blocking pegs 59 are inserted in a housing 60 of the body 16 to cause the blockage in this operative position, of the transmission rods 54.
- figure 17 shows the final phase in which the shoulder 11 is assembled on the bottom 12.
- the pins 26, protruding from the shoulder 11, are inserted in the holes 27 which, are formed horizontally in the bottom 12 in a direction parallel to the floor P.
- figure 1 or figures 16, 17 show that actuating points of the connection group GC and levelling group GL of both the front and rear foot units 14, 15 are arranged adjacently on a horizontal plane parallel to the floor P. The encumbrance of the body 16 of the foot units 14, 15 is therefore minimized.
- Figures 18 to 28 show a simplified embodiment of the system according to the invention.
- a body 116 of the front foot unit 114 and rear foot unit 115 is therefore provided, which contains only the joining device comprising a connection group GC associated with a blocking group GB .
- the body 116 provides, instead of the second recessed seat or housing 20 for the levelling device 21 of the first example, an extension 180 protruding above the body 116, This extension 180 is housed in a hole (not shown) formed in the bottom 12 and cooperating to form. a. stable coupling between the foot units 114, 115 and the bottom 12.
- Said blocking group GB of the joining device is positioned in a recessed seat or housing 18 of the body 116.
- a single transmission rod 54 is also provided. This transmission rod 54 is arranged passing through an opening 156 and a channel 158 of the body 116 of the front foot unit 114 to reach and engage its end in the pinion. 34 of the joining device of the rear foot unit 115.
- the maneuvering of the blocking group GB of the front foot unit 114 is effected by passing from a front opening 139 formed in the body 116.
- joining and levelling system of this type for parts of furniture and furnishing items with minimum encumbrance enables there to be no visible holes, also allowing both the shoulders and the bottom not to be flush with the floor, detached from it.
- a system of this type according to the invention contains both the connection group GC and the blocking group GB and also the 1eve11ing group .
- Figure 1 shows how by acting with, a tool, passing from, the opening 39 of the body 16, on the pinion 34 of the blocking group GB of the front foot unit 14, the grub screw 29 is caused to become engaged, in the seat. 28 of the pin 26 causing the connection between the shoulder 11 and bottom 12 thanks to the presence of the connection group GC .
- connection unit GC of the rear foot unit 15 To implement the engagement of the connection unit GC of the rear foot unit 15, the same tool operates on the head of the transmission rod 54, Said head of the transmission rod 54 is housed in the opening 56 of the body 16 of the front foot unit 14. The opposite end of the transmission rod 54 thus acts on the pinion 34 of the blocking group GB of the rear foot unit 15, This action causes the engagement of the grub screw 29 in the seat 28 of the pi 26, obtaining the connectio between the shoulder 11 and the bottom 12 thanks to the presence of the connection group GC also in the rear- foot unit 15.
- This levelling operation is completed by acting with a tool on the head of the relative transmission rod 54.
- Said transmission rod 54 is housed in the opening 55 of the body 16 of the front foot unit 14.
- the opposite end of the transmission rod 54 thus acts on the pinion 47 of the levelling device 21 of the rear foot unit 15.
- This action identically causes the engagement of the hollow pusher element 52 inside the blind hole 43 of t e bottom 12.
- the raising ' or lowering of the bottom allows the adj us tment of the leveller also present in the rear foot unit 15.
- Figure 29 is a perspective view from above of the joining and levelling system of figure 1 which also shows a tool-guiding device 200 suitable for being used in the assembly phase.
- This type of tool-guiding device 200 allows the blocking and adjustment operations previously described to be facilitated.
- the above-mentioned tool-guiding device 200 in fact, comprises a parallelepiped body 201 within which, in the example, four guiding housings A, B, C and D are hollowed out for a rod with a tip of a tool (not shown) .
- a recessed channel extends in the upper part of the body 201 which protrudes from a rear surface of the body in correspondence with respective openings. These openings in the body 201 can be positioned aligned towards the front body 14 containing at least one joining group or device and also, if present, a levelling group.
- its body 201 provides rear hooking extensions 217 cooperating with seats 216 suitable for receiving the hooking extensions 217 of the device with respect to the front body 14.
- a joining and levelling system of this type for parts of furniture and furnishing items allows there to be no visible hole, once it has been correctly assembled for connecting and levelling the furniture, thus giving the furniture a high functional and aesthetic characte is ic.
- This type of system with reduced encumbrance makes it possible to have front and rear foot units capable of supporting the whole piece of furniture and its contents in the presence of a minimum encumbrance between shoulder and bottom with respect to the floor.
- both the connection or joining group with relative blocking and also the levelling group beneath the thickness of the bottom and shoulder of the furniture are particularly compact and easy to actuate on the part of any operator.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Legs For Furniture In General (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT102017000100673A IT201700100673A1 (en) | 2017-09-08 | 2017-09-08 | JUNCTION AND / OR LEVELING SYSTEM FOR FURNITURE PARTS AND FURNITURE ARTICLES AT MINIMUM SIZE |
PCT/IB2018/056663 WO2019049003A1 (en) | 2017-09-08 | 2018-08-31 | Joining and levelling system for parts of furniture and furnishing items with minimum encumbrance |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3679257A1 true EP3679257A1 (en) | 2020-07-15 |
Family
ID=60991374
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18770090.1A Pending EP3679257A1 (en) | 2017-09-08 | 2018-08-31 | Joining and levelling system for parts of furniture and furnishing items with minimum encumbrance |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP3679257A1 (en) |
CN (1) | CN111051712B (en) |
IT (1) | IT201700100673A1 (en) |
RU (1) | RU2763475C2 (en) |
WO (1) | WO2019049003A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT201600070881A1 (en) * | 2016-07-07 | 2018-01-07 | Leonardo Srl | JUNCTION SYSTEM WITH LEVELER FOR FURNITURE PARTS AND FURNISHING ITEMS |
IT201900006585A1 (en) * | 2019-05-07 | 2020-11-07 | Leonardo Srl | JOINT AND LEVELING MODULE FOR FURNITURE PARTS |
IT201900006583A1 (en) * | 2019-05-07 | 2020-11-07 | Leonardo Srl | IMPROVED JOINT AND LEVELING SYSTEM FOR FURNITURE PARTS |
EP3874990B1 (en) * | 2020-03-03 | 2024-01-31 | LEONARDO S.r.l. | Levelling system with joint for furniture and/or furnishing items |
EP3874991B1 (en) * | 2020-03-03 | 2024-02-07 | LEONARDO S.r.l. | Simplified adjustable levelling system with joint for furniture and/or furnishing items |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE8707258U1 (de) * | 1987-05-20 | 1987-07-09 | Franke GmbH & Co KG, 7460 Balingen | Höhenverstellbarer Sockelfuß |
GB2247294B (en) * | 1990-08-23 | 1993-07-28 | Titus Int Ltd | Securing device |
JP2002085176A (en) * | 2000-09-18 | 2002-03-26 | Systec Kyowa:Kk | Furniture height adjustment device |
DE102004050362A1 (en) * | 2004-10-15 | 2006-04-27 | BSH Bosch und Siemens Hausgeräte GmbH | Adjusting device, in particular for a leveling foot of a household appliance |
GB2430991B (en) * | 2005-10-07 | 2008-09-10 | Titus Int Plc | Improvements in joint forming devices |
DE102007043789A1 (en) * | 2007-09-13 | 2009-03-19 | moll Funktionsmöbel GmbH | Furniture |
ITMI20072089A1 (en) * | 2007-10-30 | 2009-04-30 | Leonardo Srl | PERFECTED LEVELER DEVICE. |
NZ580498A (en) * | 2008-10-17 | 2011-04-29 | Mark Romany | A levelling device comprising a connector defining an extension passage for facilitating adjustment |
ITMI20120615A1 (en) * | 2012-04-16 | 2013-10-17 | Leonardo Srl | PERFECTED SYSTEM WITH ADJUSTABLE LEVELING FEET FOR FURNITURE |
ITUB20154264A1 (en) * | 2015-10-09 | 2017-04-09 | Leonardo Srl | DOUBLE JUNCTION DEVICE WITH LEVELER FOR CENTRAL FURNITURE PANELS AND FURNISHING ITEMS |
ITUB20154249A1 (en) * | 2015-10-09 | 2017-04-09 | Leonardo Srl | JUNCTION DEVICE WITH MINIMUM VISIBILITY LEVELER? FOR FURNITURE PARTS AND FURNISHING ITEMS |
-
2017
- 2017-09-08 IT IT102017000100673A patent/IT201700100673A1/en unknown
-
2018
- 2018-08-31 RU RU2020107359A patent/RU2763475C2/en active
- 2018-08-31 EP EP18770090.1A patent/EP3679257A1/en active Pending
- 2018-08-31 WO PCT/IB2018/056663 patent/WO2019049003A1/en unknown
- 2018-08-31 CN CN201880055599.5A patent/CN111051712B/en active Active
Also Published As
Publication number | Publication date |
---|---|
RU2763475C2 (en) | 2021-12-29 |
RU2020107359A (en) | 2021-08-18 |
RU2020107359A3 (en) | 2021-11-17 |
IT201700100673A1 (en) | 2019-03-08 |
CN111051712B (en) | 2022-03-25 |
WO2019049003A1 (en) | 2019-03-14 |
CN111051712A (en) | 2020-04-21 |
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