EP3815574B1 - Table extensible - Google Patents

Table extensible Download PDF

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Publication number
EP3815574B1
EP3815574B1 EP20193186.2A EP20193186A EP3815574B1 EP 3815574 B1 EP3815574 B1 EP 3815574B1 EP 20193186 A EP20193186 A EP 20193186A EP 3815574 B1 EP3815574 B1 EP 3815574B1
Authority
EP
European Patent Office
Prior art keywords
extendable
slider
table leg
post
groove
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.)
Active
Application number
EP20193186.2A
Other languages
German (de)
English (en)
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EP3815574A1 (fr
Inventor
Lei Wang
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.)
Jiaxing Mindo Outdoor Products CoLtd
Original Assignee
Jiaxing Mindo Outdoor Products CoLtd
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
Priority claimed from CN201921838621.1U external-priority patent/CN211323488U/zh
Priority claimed from CN201911037587.2A external-priority patent/CN110720742A/zh
Application filed by Jiaxing Mindo Outdoor Products CoLtd filed Critical Jiaxing Mindo Outdoor Products CoLtd
Publication of EP3815574A1 publication Critical patent/EP3815574A1/fr
Application granted granted Critical
Publication of EP3815574B1 publication Critical patent/EP3815574B1/fr
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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
    • A47B1/00—Extensible tables
    • A47B1/06—Extensible tables with flexible roll-tops
    • 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
    • A47B1/00—Extensible tables
    • A47B1/08—Extensible tables with extensible frames or with additional legs
    • 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
    • A47B1/00—Extensible tables
    • A47B1/10—Slide mechanisms

Definitions

  • the present invention relates to furniture, in particular to an extendable table.
  • a conventional table has a fixed form after being manufactured, so cannot be extended or retracted, and has the disadvantages of taking up a large area and being difficult to move around, or being unable to extend when the table surface needs to be enlarged. To solve these problems, a table having the ability to extend and retract has appeared on the market.
  • the extendable table announced in CN 2011 75 090 Y has the following key technical features: it comprises a table frame and a table surface, the table frame comprising a frame body and frame legs, the frame body comprising left and right supports and a middle slide tube, the middle slide tube having two ends connected to the left and right supports respectively, with at least one end being moveably connected; the table surface comprises head and tail surface slats and multiple middle surface slats, the head and tail surface slats being fixed to two ends of the table frame respectively, and a soft linkage strap is connected between the head and tail surface slats, each middle surface slat being separately fixed to the soft linkage strap.
  • the invention in question dispenses with an extension board, piecing together the head and tail surface slats and middle surface slats to form the table surface, with the head and tail surface slats being fixed to the table frame, and the middle surface slats being fixed to the soft linkage strap.
  • the frame of said table consists of two guiding cross-members which comprise inner cross-members and outer supporting and guiding cross-members. Coupling rollers engaging in sliding tracks, defined on said cross members, are provided.
  • the cross members support S-shape arms, which are mutually articulated. The arms are articulated, at their end portions, with further arms, opposite to one another and, at an intermediate position, they are articulated by a central peg, extending into a pin, engaged in a strip or stave which, adjoining further strips, provides the table-top construction.
  • the mentioned arms, at their end portions are articulated with side pins, so arranged as to practically provide a Nuremberg scissors coupling.
  • an object of the present invention is to provide an extendable table which has a more stable structure overall, with each surface slat having a restricted degree of movement, effectively eliminating the risk of loosening thereof; the multiple surface slats are spaced more uniformly after being opened out, effectively improving the appearance.
  • an extendable table comprising two table leg sets arranged opposite each other, and multiple surface slats disposed between the two table leg sets;
  • the table leg set has an inverted U-shape overall, and comprises two table legs, and a crossbeam disposed between top ends of the two table legs;
  • two extendable beams are provided between the two table leg sets, and an upper end face of the extendable beam is provided with a slide groove, the slide groove being provided with a chain structure;
  • the chain structure comprises multiple sliders slidably mated with the slide groove, and a separation limiting plate disposed between adjacent sliders; each of the surface slats is fixed on top of two sliders corresponding to the two chain structures.
  • the extendable table provided in the present invention is supported by the table leg sets, and the multiple surface slats form a horizontal table surface on which to place objects; each table leg set comprises two table legs, and the crossbeam is used to connect the top ends of the two table legs, such that the four table legs are connected in pairs; when extending and retracting the present invention, a force may be applied to two table legs at the same time for movement, thus making controlled extension and retraction convenient; the two extendable beams are disposed between the two table leg sets, thereby connecting the two table leg sets together without affecting a change in separation of the two table leg sets; the slide grooves are disposed in the upper end faces of the extendable beams, and the chain structures are disposed in the slide grooves, such that the chain structures restrict each surface slat, ensuring that the degree of movement of each surface slat is limited to sliding in the length direction of the extendable beams, effectively avoiding the risk of the surface slats loosening as
  • the present invention according to claim 1 is further configured such that: one end of the separation limiting plate is provided with a fixing end head fixed to one end of the slider, the separation limiting plate is provided with a travel slot, the slider is provided with a travel post slidably mated with the travel slot, and a bottom end of the travel post is provided with an end cap head after passing through the travel slot.
  • one slider of two adjacent sliders is slidably mated with the travel slot of the separation limiting plate between the two sliders by means of the travel post, while the other slider is connected in a fixed manner to the separation limiting plate between the two sliders by means of the fixing end head, thereby meeting the technical requirement that the separation limiting plate limits the separation of adjacent sliders, thus ensuring that all of the surface slats have uniform separation after the present invention has been opened out; it must be explained that the end cap head is provided on the bottom end of the travel post so that the separation limiting plate is held between the end cap head and a lower end face of the slider, thus increasing the stability of the sliding connection between the slider and the separation limiting plate.
  • the present invention is further configured such that: a bottom end of the table leg is provided with a foot pad.
  • the present invention is further configured such that: an insertion member which mates with an end of the extendable beam by insertion-connection is fixed horizontally to the table leg set, and a fixing threaded hole is provided running through a lower wall of the extendable beam and extending into the insertion member.
  • the table leg sets with the insertion members which mate with the extendable beams by insertion-connection, the ends of the extendable beams are connected to the table leg sets in a fixed manner, and the fixing threaded holes are provided such that the strength of the connection between the extendable beams and the table leg sets can be reinforced by screwing in bolts.
  • the extendable beam comprises an outside beam and an inside beam which are slidably connected to each other; a side face of the outside beam is provided with a pincer groove, and a side face of the inside beam is provided with a folded-over strip which is slidably inserted in the pincer groove.
  • the extendable beam is endowed with its extension/retraction ability through the sliding connection between the inside beam and outside beam; the outside beam is provided with the pincer groove for the folded-over strip of the inside beam to be inserted in, thereby ensuring the stability of the sliding connection of the outside beam and inside beam.
  • the present invention is further configured such that: a slide strip is provided at each of two sides of an opening end of the slide groove, and two sides of the slider are each provided with a U-shaped pincer groove; the U-shaped pincer groove slidably holds the slide strip in a sandwich configuration.
  • the slide groove is provided with the slide strips to be slidably held in a sandwich configuration by the U-shaped pincer grooves of the slider, thereby achieving the technical effect of the slider being slidably connected to the opening end of the slide groove, such that there is ample space for accommodating the separation limiting plate between the slider and a bottom face of the slide groove.
  • the present invention is further configured such that: a catching slot is provided in the bottom face of the slide groove at an end close to the table leg set, and the slider close to the table leg set is provided with a catching post slidably mated with the catching slot.
  • the catching post is caught at one end of the catching slot; thus, when the present invention is opened out, all of the surface slats can be forced to slide one by one by merely pulling one table leg set, making opening-out convenient.
  • the present invention is further configured such that: a first threaded hole is provided running through the travel post and slider and extending into the surface slat, and a second threaded hole is provided running through the fixing end head and slider and extending into the surface slat.
  • the travel post, slider and surface slat can be assembled simultaneously by screwing a bolt into the first threaded hole, and the fixing end head, slider and surface slat can be assembled by screwing a bolt into the second threaded hole; in summary, the first threaded hole and second threaded hole facilitate assembly of the surface slat, travel post, slider and fixing end head.
  • the present invention is further configured such that: an upper end face of the slider is provided with a locating insertion post, and the surface slat is provided with a locating insertion hole for the locating insertion post to be inserted in.
  • the surface slat is provided with the locating insertion hole for the locating insertion post of the slider to be inserted in, thereby defining the relative positions of the surface slat and slider, and further increasing the convenience of assembly.
  • the present invention has the following beneficial effects: the extendable table provided in the present invention has a more stable structure overall, with each surface slat having a restricted degree of movement, effectively eliminating the risk of loosening thereof, and the multiple surface slats have more uniform separation after being opened out, effectively improving the appearance; hardness and sharpness at the points of contact between the bottom ends of the table legs and the floor are reduced through the addition of the foot pads, effectively eliminating the risk of the table legs causing wear to the floor during extension and retraction of the present invention; by providing the table leg sets with the insertion members which mate with the extendable beams by insertion-connection, the ends of the extendable beams are connected to the table leg sets in a fixed manner, and the fixing threaded holes are provided such that the strength of the connection between the extendable beams and the table leg sets can be reinforced by screwing in bolts; the outside beam is provided with the pincer groove for the folded-over strip of the inside beam to be inserted in, thereby ensuring the stability of the sliding connection of the
  • An extendable table as shown in Figs. 1 , 2 , 3 and 4 , comprises two table leg sets 1 arranged opposite each other, and multiple surface slats 2 disposed between the two table leg sets 1; each table leg set 1 has an inverted U-shape overall, and comprises two table legs 11, and a crossbeam 12 fixed by welding between top ends of the two table legs 11; two extendable beams 13 are provided between the two table leg sets 1, and an upper end face of each extendable beam 13 has a slide groove 14 integrally formed therein, the slide groove 14 being provided with a chain structure 21; the chain structure 21 comprises multiple sliders 22 slidably mated with the slide groove 14, and separation limiting plates 23 disposed between adjacent sliders 22; each surface slat 2 is fixed on top of two sliders 22 corresponding to the two chain structures 21.
  • each table leg set 1 comprises two table legs 11, and the crossbeam 12 is used to connect the top ends of the two table legs 11, such that the four table legs 11 are connected in pairs; when extending and retracting the present invention, a force may be applied to two table legs 11 at the same time to force them to move, thus making controlled extension and retraction convenient;
  • the two extendable beams 13 are disposed between the two table leg sets 1, thereby connecting the two table leg sets 1 together without affecting a change in separation of the two table leg sets 1;
  • the slide grooves 14 are disposed in the upper end faces of the extendable beams 13, and the chain structures 21 are disposed in the slide grooves 14, such that the chain structures 21 restrict each surface slat 2, ensuring that the degree of movement of each surface slat 2 is limited to sliding in the length direction of the extendable beams 13, effectively avoiding the risk of the surface slats
  • the overall structure of the present invention employs an aluminum alloy material, and bottom ends of the table legs 11 will inevitably rub against the floor during extension and retraction; to avoid consequent wear to the floor, foot pads 15 are connected by insertion and fixed by gluing to the bottom ends of the table legs 11 as shown in Fig. 5 ; the foot pads 15 may be made of rubber or resin, such that hardness and sharpness at the points of contact between the bottom ends of the table legs 11 and the floor are reduced by means of the foot pads 15, effectively eliminating the risk of the table legs 11 causing wear to the floor during extension and retraction of the present invention.
  • the extendable beams 13 are fixed to the table leg sets 1 in the following manner: as shown in Figs. 5 and 6 , insertion members 16 which mate with ends of the extendable beams 13 by insertion-connection are fixed horizontally to the table leg sets 1, and fixing threaded holes 17 are provided running through lower walls of the extendable beams 13 and extending into the insertion members 16; by providing the table leg sets 1 with the insertion members 16 which mate with the extendable beams 13 by insertion-connection, the ends of the extendable beams 13 are connected to the table leg sets 1 in a fixed manner, and the fixing threaded holes 17 are provided such that the strength of the connection between the extendable beams 13 and the table leg sets 1 can be reinforced by screwing in bolts.
  • the extendable beam 13 has the following specific structure: as shown in Figs. 6 and 7 , the extendable beam 13 comprises an outside beam 131 and an inside beam 132 which are slidably connected to each other, and the extendable beam 13 is endowed with its extension/retraction ability through the sliding connection between the inside beam 132 and outside beam 131; the outside beam 131 and inside beam 132 are slidably connected in the following manner: a side face of the outside beam 131 has a pincer groove 133 integrally formed therein, and a side face of the inside beam 132 has folded-over strips 134 integrally formed therein which are slidably inserted in the pincer groove 133, thereby ensuring the stability of the sliding connection of the outside beam 131 and inside beam 132.
  • the slider 22 is slidably connected to the slide groove 14 in the following manner: as shown in Figs. 6 and 7 , a slide strip 141 is integrally formed at each of two sides of an opening end of the slide groove 14, and two sides of the slider 22 are each machined to have a U-shaped pincer groove 24, wherein the U-shaped pincer groove 24 slidably holds the slide strip 141 in a sandwich configuration; the slide groove 14 is provided with the slide strips 141 to be slidably held in a sandwich configuration by the U-shaped pincer grooves 24 of the slider 22, thereby achieving the technical effect of the slider 22 being slidably connected to the opening end of the slide groove 14, such that there is ample space for accommodating the separation limiting plate 23 between the slider 22 and a bottom face of the slide groove 14.
  • a catching slot 25 is provided in the bottom face of the slide groove 14 at an end close to the table leg set 1 (marked in Fig. 5 ), and a catching post 26 slidably mated with the catching slot 25 is fixed by insertion-connection to the slider 22 close to the table leg set 1, such that the catching post 26 is caught at one end of the catching slot 25; thus, when the present invention is opened out, all of the surface slats 2 can be forced to slide one by one by merely pulling one table leg set 1, making opening-out convenient.
  • the separation limiting plates 23 are mated with the sliders 22 is specifically as follows: as shown in Figs. 8 and 9 , one end of the separation limiting plate 23 is provided with a fixing end head 231 fixed to one end of the slider 22, the separation limiting plate 23 is machined to have a travel slot 232, the slider 22 is provided with a travel post 233 slidably mated with the travel slot 232, and a bottom end of the travel post 233 is machined to have an end cap head 234 after passing through the travel slot 232; one slider 22 of two adjacent sliders 22 is slidably mated with the travel slot 232 of the separation limiting plate 23 between the two sliders by means of the travel post 233, while the other slider 22 is connected in a fixed manner to the separation limiting plate 23 between the two sliders by means of the fixing end head 231, thereby meeting the technical requirement that the separation limiting plate 23 limits the separation of adjacent sliders 22, thus ensuring that all of the surface slats 2 have uniform separation after the
  • a first threaded hole 235 is provided running through the travel post 233 and slider 22 and extending into the surface slat 2
  • a second threaded hole 236 is provided running through the fixing end head 231 and slider 22 and extending into the surface slat 2, such that the travel post 233, slider 22 and surface slat 2 can be assembled simultaneously by screwing a bolt into the first threaded hole 235, and the fixing end head 231, slider 22 and surface slat 2 can be assembled by screwing a bolt into the second threaded hole 236, thus achieving the technical effect of more convenient assembly.
  • a locating insertion post 221 is fixed by welding to an upper end face of the slider 22, and the surface slat 2 is provided with a locating insertion hole 222 for the locating insertion post 221 to be inserted in, thereby defining the relative positions of the surface slat 2 and slider 22, and further increasing the convenience of assembly.

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  • Tables And Desks Characterized By Structural Shape (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)

Claims (8)

  1. Table extensible, comprenant deux ensembles pied de table (1) disposés à l'opposé l'un de l'autre, et de multiples lames de surface (2) disposées entre les deux ensembles pied de table (1), l'ensemble pied de table (1) ayant une forme générale en U inversé, et comprenant deux pieds de table (11), et une traverse (12) disposée entre les extrémités supérieures des deux pieds de table (11) ;
    deux poutres extensibles (13) sont disposées entre les deux ensembles pied de table (1), et une face d'extrémité supérieure de la poutre extensible (13) est pourvue d'une rainure de glissement (14),
    caractérisée en ce que :
    une structure de chaîne (21) est disposée dans la rainure de glissement (14),
    la structure de chaîne (21) comprend plusieurs coulisseaux (22) accouplés de manière coulissante avec la rainure de glissement (14), et une plaque de limitation de séparation (23) disposée entre des coulisseaux (22) adjacents ; une extrémité de la plaque de limitation de séparation (23) est pourvue d'une tête d'extrémité de fixation (231) fixée à une extrémité du coulisseau (22), la plaque de limitation de séparation (23) est pourvue d'une fente de déplacement (232), le coulisseau (22) est pourvu d'un montant de déplacement (233) accouplé de manière coulissante avec la fente de déplacement (232), et une extrémité inférieure du montant de déplacement (233) est pourvue d'une tête de capuchon d'extrémité (234) après avoir traversé la fente de déplacement (232),
    chacune des lames de surface (2) est fixée sur le dessus de deux coulisseaux (22) correspondant aux deux structures de chaîne (21).
  2. Table extensible selon la revendication 1, caractérisée en ce qu'une extrémité inférieure du pied de table (11) est pourvue d'un patin (15).
  3. Table extensible selon la revendication 1, caractérisée en ce qu'un élément d'insertion (16) qui s'adapte à une extrémité de la poutre extensible (13) par insertion-liaison est fixé horizontalement à l'ensemble pied de table (1), et un trou fileté de fixation (17) est fourni traversant une paroi inférieure de la poutre extensible (13) et s'étendant dans l'élément d'insertion (16) .
  4. Table extensible selon la revendication 1, caractérisée en ce que la poutre extensible (13) comprend une poutre extérieure (131) et une poutre intérieure (132) qui sont reliées de manière coulissante l'une à l'autre ; une face latérale de la poutre extérieure (131) est pourvue d'une rainure en pince (133), et une face latérale de la poutre intérieure (132) est pourvue d'une bande repliée (134) qui est insérée de manière coulissante dans la rainure en pince (133).
  5. Table extensible selon la revendication 1, caractérisée en ce qu'une bande de glissement (141) est fournie au niveau de chacun des deux côtés d'une extrémité d'ouverture de la rainure de glissement (14), et deux côtés du coulisseau (22) sont chacun pourvus d'une rainure en pince en forme de U (24) ; la rainure en pince en forme de U (24) maintenant de manière coulissante la bande de glissement (141) dans une configuration en sandwich.
  6. Table extensible selon la revendication 1, caractérisée en ce qu'une fente d'accrochage (25) est fournie dans la face inférieure de la rainure de glissement (14) au niveau d'une extrémité proche de l'ensemble pied de table (1), et le coulisseau (22) proche de l'ensemble pied de table (1) est pourvu d'un montant d'accrochage (26) accouplé de manière coulissante à la fente d'accrochage (25).
  7. Table extensible selon la revendication 1, caractérisée en ce qu'il est fourni un premier trou fileté (235) est fourni traversant le montant de déplacement (233) et le coulisseau (22) et s'étendant dans la lame de surface (2), et un second trou fileté (236) est fourni traversant la tête d'extrémité de fixation (231) et le coulisseau (22) et s'étendant dans la lame de surface (2).
  8. Table extensible selon la revendication 7, caractérisée en ce qu'une face d'extrémité supérieure du coulisseau (22) est pourvue d'un montant d'insertion de positionnement (221), et la lame de surface (2) est pourvue d'un trou d'insertion de positionnement (222) pour que le montant d'insertion de positionnement (221) y soit inséré.
EP20193186.2A 2019-10-29 2020-08-27 Table extensible Active EP3815574B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201921838621.1U CN211323488U (zh) 2019-10-29 2019-10-29 一种伸缩桌
CN201911037587.2A CN110720742A (zh) 2019-10-29 2019-10-29 一种伸缩桌

Publications (2)

Publication Number Publication Date
EP3815574A1 EP3815574A1 (fr) 2021-05-05
EP3815574B1 true EP3815574B1 (fr) 2022-01-19

Family

ID=72290803

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20193186.2A Active EP3815574B1 (fr) 2019-10-29 2020-08-27 Table extensible

Country Status (3)

Country Link
EP (1) EP3815574B1 (fr)
DK (1) DK3815574T3 (fr)
ES (1) ES2906202T3 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11849837B2 (en) 2020-09-01 2023-12-26 Patrick John Leet Fastener system for furniture

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1318309B1 (it) * 2000-08-01 2003-07-28 Helmstadt Metallwerk Tavolo allungabile con piano a listelli reciprocamente interconnessi.
EP1941813A1 (fr) * 2007-01-04 2008-07-09 Pierre Vandelanoite Plateau à lattes et table équipée d'un plateau tel que précité
CN201175090Y (zh) 2008-03-18 2009-01-07 纪永军 一种伸缩桌

Also Published As

Publication number Publication date
EP3815574A1 (fr) 2021-05-05
DK3815574T3 (da) 2022-02-07
ES2906202T3 (es) 2022-04-13

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