EP2823731A2 - Vertically adjustable table construction - Google Patents

Vertically adjustable table construction Download PDF

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Publication number
EP2823731A2
EP2823731A2 EP14002244.3A EP14002244A EP2823731A2 EP 2823731 A2 EP2823731 A2 EP 2823731A2 EP 14002244 A EP14002244 A EP 14002244A EP 2823731 A2 EP2823731 A2 EP 2823731A2
Authority
EP
European Patent Office
Prior art keywords
frame
profiles
fixed
height
columns
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.)
Granted
Application number
EP14002244.3A
Other languages
German (de)
French (fr)
Other versions
EP2823731B1 (en
EP2823731A3 (en
Inventor
Václav Hon
Jaroslav Soldán
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.)
Hon-Kovo sro
Original Assignee
Hon-Kovo sro
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 Hon-Kovo sro filed Critical Hon-Kovo sro
Priority to PL14002244T priority Critical patent/PL2823731T3/en
Publication of EP2823731A2 publication Critical patent/EP2823731A2/en
Publication of EP2823731A3 publication Critical patent/EP2823731A3/en
Application granted granted Critical
Publication of EP2823731B1 publication Critical patent/EP2823731B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • A47B9/00—Tables with tops of variable height
    • 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
    • A47B13/00—Details of tables or desks
    • A47B13/02—Underframes
    • 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
    • A47B2200/00—General construction of tables or desks
    • A47B2200/0011—Underframes
    • 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
    • A47B2200/00—General construction of tables or desks
    • A47B2200/0035—Tables or desks with features relating to adjustability or folding
    • A47B2200/005—Leg adjustment
    • A47B2200/0056—Leg adjustment with a motor, e.g. an electric motor
    • 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

Definitions

  • the technical solution relates to the construction of height adjustable table including a frame with fixed top, while the table legs consist of feet and extensible columns.
  • the height-adjustable tables are designed for the purpose of improving comfort at work and reduction of physical strains connected with sedentary work or standing work, with the possibility of setting the most comfortable position of the work desk individually according to the user's needs.
  • the tables may be used in different interior work places, mainly in office work places.
  • the use of height-adjustable table in connection with height-adjustable chair could meet the ergonomic requirements towards a work place with the purpose of backbone load reduction and reduction of possible health damage risk.
  • Adjustable tables are construed on the principle of a longitudinal frame, columns and foots. They can be adjusted using tools, hand crank, gas piston and electric motor, which is the order from the less comfortable height adjustment up to the most comfortable one. If there is not a mechanic setting of height, the drive is hidden in the columns of the table.
  • the aim of the technical solution is to design the construction of a height-adjustable table with horizontally adjustable frame, allowing smooth adjustment of its height using a drive and its mechanisms, use of the same table construction for several different heights of tables and also easy assembly of the table directly in the place of its use.
  • a height-adjustable table including a frame with fixed top, while the table legs consist of foots together with extensible columns and the table's purpose is that its frame is telescopic and equipped with outriggers connected with the work desk using fixation tools.
  • the telescopic frame is preferably consisting of a fixed and a movable part, where the fixed part consists of a pair of the first profiles with mirror-type layout in a distance to each other, wherein the first profiles are interconnected by two braces with the electric motor fixed on one of them, while the driving rod passes through the other brace, wherein the movable part consists of a pair of second profiles with mirror-type layout and in a distance to each other copying the shape of the first profiles, wherein in the pair of the first profiles there are created grooves with push-placed connecting elements, which pass through the openings created on second profiles and further they pass through the grooves, wherein they are fixed in cases on the other side.
  • the main advantage of the height-adjustable table, of which the height is adjustable by an electric motor drive, is the possibility of dynamic change of the table height as needed, thanks to columns consisting of profiles of identical shape which can be inserted into each other with mechanic drives inside.
  • Another advantage is the telescopic frame that allows, using the profiled sheets fitting into each other and arranging horizontal movement, the construction of the table to be used for several pre-set or arbitrary widths of the table within specified range.
  • this construction allows partial pre-assembly of the table and also the packaging in a single package including its other parts, so as the unpacking and following installation of the table would be easy and fast for the end user and the occurrence of possible faults during assembly, which could cause any permanent damage to the table construction, would be minimised, .
  • the table frame is already equipped with the motor so as to avoid its incorrect fixation, and the main driving rod is inserted in the case on the frame so as to avoid confusion with any other driving rod contained in the package.
  • the remaining procedure for the table construction is explained in detail in assembly instructions enclosed in each table package.
  • the table can be manufactured in various shapes and dimension variants. Columns may be of square, rectangular, or round profiles, table frames and feet may be of profiled sheets, closed profiles, or they may be a combination of both in relevant lengths.
  • the table drive may be arranged by more than one motor and the table construction may be solved by one as well as by more than two columns of different lengths of height adjustability.
  • Fig. 1 shows a view of one embodiment of the height-adjustable table set in axonometric view
  • Fig. 2 shows a detail of driving rod connection to the gear box placed inside of the column
  • Fig. 3 shows a detail of the extensible frame layout.
  • the exemplary realisation according to Fig. 1 and Fig. 2 shows the height-adjustable table consisting of an assembled steel structure consisting of an extensible frame 9 , extensible columns 1 , foots 3 and outriggers 2 , which are interconnected according to a known methods.
  • the columns 1 together with feet 3 at the bottom and outriggers 2 at the top constitute the table legs, interconnecting the telescopic frame 9 , consisting of a set of profiled sheets interconnected by fixation tools 10 .
  • the telescopic frame 9 is shown in Fig. 3 .
  • the extensible frame 9 consists of the fixed part 13 and the movable part 14 .
  • the fixed part 13 of the extensible frame 9 consists of a pair of the first profiles 15, with mirror-type layout and in a distance to each other.
  • the first profiles 15 are interconnected by two braces 16 , with the electro motor 4 fixed on one of them, while the other brace 16 serves for leading the driving rod 5 to the gearbox placed in the table leg.
  • the movable part 14 also consists of a pair of second profiles 17, with mirror-type layout and in a distance to each other, copying the shape of the first profiles 15 of the fixed part 13 of the extensible frame 9 .
  • first profiles 15 of the fixed part 13 of the extensible frame 9 there are made grooves 18 on both sides, serving together with plastic cases 19 (adaptors) for leading the second profiles 17 of the movable part 14 of the extensible frame 9 during drawing out.
  • Both of the parts of the extensible frame 9 are interconnected through plastic cases 19 and holes in second profiles 17 of the movable part 14 of the extensible frame 9 using connecting elements 20 .
  • the connecting elements 20 simultaneously serve as arresting screws and after extension of the movable part 14 of the extensible frame 9 to the required dimension they arrest both of the parts of the extensible frame 9.
  • the triangular cuts 21 made on the first profiles 15 of the fixed part 13 of the extensible frame 9 thanks to them it is easy to set the four pre-adjusted widths of the table.
  • the connection of the table legs with the telescopic frame 9 is performed using the flanges 12 fixed on columns 1 and it provides the complete table structure with stability.
  • the foots 3 serve as a fixed base of the table, on which are mounted extensible columns 1 with mechanic drive, which arranges vertical movement of the table together with driving rods 5 fixed, according to the known method, on gears 11 placed in columns 1 of the table.
  • the frame 9 is constructed in a way so as to arrange horizontal extension of the whole structure within given range and moreover, it serves as a cover and lead of driving rods 5 to mechanic drives in columns 1 .
  • the table assembly is performed as follows. Just tip out the columns 1 from the telescopic frame 9 to 90°, adjust the table length dynamically by pulling, screw the feet 3 , insert the corresponding driving rod 5 from the side, fix the outriggers 2 and finally assemble the work desk 6 together with control unit 7 and controller 8 .
  • the columns 1 , outriggers 2 and feet 3 are fixed during the table assembly using enclosed tools 10 for fixating, for example screws, and the telescopic frame 9 is secured by tightening the screws placed in the holes directly on the telescopic frame 9.
  • the table height can be adjusted within the given range by using a drive provided by the electric motor 4 , which is preferably placed on the left side of the table. Then, the movement from the electric motor 4 is transferred by hexagonal driving rods 5 to gear boxes 11 located in the columns 1 of the table.
  • the adjustability control is placed on the bottom of the work desk 6 and it is performed by the controller 8 equipped with two directional push buttons. By pressing the dimensional push button with up-arrow, the table moves upwards, by pressing the dimensional push button with down-arrow, the table moves downwards. When releasing the push button, the table stops in required position.
  • the height-adjustable table can be advantageously used anywhere the simple assembly of table is needed and its consequent variability is usable.

Landscapes

  • Accommodation For Nursing Or Treatment Tables (AREA)
  • Legs For Furniture In General (AREA)
  • Ladders (AREA)
  • Tables And Desks Characterized By Structural Shape (AREA)

Abstract

Height-adjustable table, comprising a frame (9) with fixed work desk (6), wherein the table legs consist of feet (3) with extending columns (1), where the frame (9) is telescopic and it is equipped with outriggers (2) connected via fixation tools (10) with the work desk (6).

Description

    Field of the Invention
  • The technical solution relates to the construction of height adjustable table including a frame with fixed top, while the table legs consist of feet and extensible columns.
    • State of the Art
  • The height-adjustable tables are designed for the purpose of improving comfort at work and reduction of physical strains connected with sedentary work or standing work, with the possibility of setting the most comfortable position of the work desk individually according to the user's needs. The tables may be used in different interior work places, mainly in office work places. The use of height-adjustable table in connection with height-adjustable chair could meet the ergonomic requirements towards a work place with the purpose of backbone load reduction and reduction of possible health damage risk.
  • Adjustable tables are construed on the principle of a longitudinal frame, columns and foots. They can be adjusted using tools, hand crank, gas piston and electric motor, which is the order from the less comfortable height adjustment up to the most comfortable one. If there is not a mechanic setting of height, the drive is hidden in the columns of the table.
    • Summary of the Invention
  • The aim of the technical solution is to design the construction of a height-adjustable table with horizontally adjustable frame, allowing smooth adjustment of its height using a drive and its mechanisms, use of the same table construction for several different heights of tables and also easy assembly of the table directly in the place of its use.
  • The above stated aims are to some extent solved by a height-adjustable table including a frame with fixed top, while the table legs consist of foots together with extensible columns and the table's purpose is that its frame is telescopic and equipped with outriggers connected with the work desk using fixation tools.
  • So as to arrange positioning of the telescopic frame, it is preferably consisting of a fixed and a movable part, where the fixed part consists of a pair of the first profiles with mirror-type layout in a distance to each other, wherein the first profiles are interconnected by two braces with the electric motor fixed on one of them, while the driving rod passes through the other brace, wherein the movable part consists of a pair of second profiles with mirror-type layout and in a distance to each other copying the shape of the first profiles, wherein in the pair of the first profiles there are created grooves with push-placed connecting elements, which pass through the openings created on second profiles and further they pass through the grooves, wherein they are fixed in cases on the other side.
  • The main advantage of the height-adjustable table, of which the height is adjustable by an electric motor drive, is the possibility of dynamic change of the table height as needed, thanks to columns consisting of profiles of identical shape which can be inserted into each other with mechanic drives inside.
  • Another advantage is the telescopic frame that allows, using the profiled sheets fitting into each other and arranging horizontal movement, the construction of the table to be used for several pre-set or arbitrary widths of the table within specified range.
  • It is advantageous that this construction allows partial pre-assembly of the table and also the packaging in a single package including its other parts, so as the unpacking and following installation of the table would be easy and fast for the end user and the occurrence of possible faults during assembly, which could cause any permanent damage to the table construction, would be minimised, . Thus are both of the columns fixed on the correct sides of the frame so as to avoid their confusion, the table frame is already equipped with the motor so as to avoid its incorrect fixation, and the main driving rod is inserted in the case on the frame so as to avoid confusion with any other driving rod contained in the package. The remaining procedure for the table construction is explained in detail in assembly instructions enclosed in each table package.
  • Another advantage is the variability of the table construction. The table can be manufactured in various shapes and dimension variants. Columns may be of square, rectangular, or round profiles, table frames and feet may be of profiled sheets, closed profiles, or they may be a combination of both in relevant lengths. The table drive may be arranged by more than one motor and the table construction may be solved by one as well as by more than two columns of different lengths of height adjustability.
    • Brief Description of the Drawings
  • The technical solution will be explained in drawings, where Fig. 1 shows a view of one embodiment of the height-adjustable table set in axonometric view, Fig. 2 shows a detail of driving rod connection to the gear box placed inside of the column, and Fig. 3 shows a detail of the extensible frame layout.
    • Description of the Preferred Embodiments
  • The new construction of the height-adjustable table will be explained using an exemplary embodiment, described in the following text.
  • The exemplary realisation according to Fig. 1 and Fig. 2 shows the height-adjustable table consisting of an assembled steel structure consisting of an extensible frame 9, extensible columns 1 , foots 3 and outriggers 2, which are interconnected according to a known methods. The columns 1 together with feet 3 at the bottom and outriggers 2 at the top constitute the table legs, interconnecting the telescopic frame 9, consisting of a set of profiled sheets interconnected by fixation tools 10 . The telescopic frame 9 is shown in Fig. 3. The extensible frame 9 consists of the fixed part 13 and the movable part 14. The fixed part 13 of the extensible frame 9 consists of a pair of the first profiles 15, with mirror-type layout and in a distance to each other. The first profiles 15 are interconnected by two braces 16, with the electro motor 4 fixed on one of them, while the other brace 16 serves for leading the driving rod 5 to the gearbox placed in the table leg. The movable part 14 also consists of a pair of second profiles 17, with mirror-type layout and in a distance to each other, copying the shape of the first profiles 15 of the fixed part 13 of the extensible frame 9. In the pair of first profiles 15 of the fixed part 13 of the extensible frame 9 there are made grooves 18 on both sides, serving together with plastic cases 19 (adaptors) for leading the second profiles 17 of the movable part 14 of the extensible frame 9 during drawing out. Both of the parts of the extensible frame 9 are interconnected through plastic cases 19 and holes in second profiles 17 of the movable part 14 of the extensible frame 9 using connecting elements 20. The connecting elements 20 simultaneously serve as arresting screws and after extension of the movable part 14 of the extensible frame 9 to the required dimension they arrest both of the parts of the extensible frame 9. As an aid for adjusting the correct width of the table are used the triangular cuts 21 made on the first profiles 15 of the fixed part 13 of the extensible frame 9 thanks to them it is easy to set the four pre-adjusted widths of the table. The connection of the table legs with the telescopic frame 9 is performed using the flanges 12 fixed on columns 1 and it provides the complete table structure with stability. The foots 3 serve as a fixed base of the table, on which are mounted extensible columns 1 with mechanic drive, which arranges vertical movement of the table together with driving rods 5 fixed, according to the known method, on gears 11 placed in columns 1 of the table. In the upper part of the column 1 is fixed the outrigger 2, which together with the telescopic frame 9 allows the fixation of the work desk 6 . The frame 9 is constructed in a way so as to arrange horizontal extension of the whole structure within given range and moreover, it serves as a cover and lead of driving rods 5 to mechanic drives in columns 1.
  • The table assembly is performed as follows. Just tip out the columns 1 from the telescopic frame 9 to 90°, adjust the table length dynamically by pulling, screw the feet 3 , insert the corresponding driving rod 5 from the side, fix the outriggers 2 and finally assemble the work desk 6 together with control unit 7 and controller 8 . The columns 1, outriggers 2 and feet 3 are fixed during the table assembly using enclosed tools 10 for fixating, for example screws, and the telescopic frame 9 is secured by tightening the screws placed in the holes directly on the telescopic frame 9.
  • The table height can be adjusted within the given range by using a drive provided by the electric motor 4 , which is preferably placed on the left side of the table. Then, the movement from the electric motor 4 is transferred by hexagonal driving rods 5 to gear boxes 11 located in the columns 1 of the table. The adjustability control is placed on the bottom of the work desk 6 and it is performed by the controller 8 equipped with two directional push buttons. By pressing the dimensional push button with up-arrow, the table moves upwards, by pressing the dimensional push button with down-arrow, the table moves downwards. When releasing the push button, the table stops in required position.
    • Industrial Applicability
  • The height-adjustable table can be advantageously used anywhere the simple assembly of table is needed and its consequent variability is usable.
    • List of relation marks
    • 1
    columns
    2
    outriggers
    3
    feet
    4
    electric motor
    5
    driving rod
    6
    work desk
    7
    control unit
    8
    controller (control push buttons)
    9
    frame
    10
    fixation means (screws)
    11
    gearboxes
    12
    column flange
    13
    fixed part of the frame
    14
    movable part of the frame
    15
    first profiles of the fixed frame
    16
    braces of the fixed frame
    17
    second profiles of the fixed frame
    18
    grooves of the fixed frame
    19
    plastic cases (adapters)
    20
    connecting elements
    21
    triangular cuts of the movable frame

Claims (2)

  1. Height-adjustable table, comprising a frame (9) with fixed work desk (6), wherein the table legs consist of feet (3) with extending columns (1), characterised in that the frame (9) is telescopic and it is equipped with outriggers (2) connected via fixation tools (10) with the work desk (6).
  2. Construction of the height-adjustable table according to the claim 1, characterised in that the telescopic frame (9) consists of a fixed part (13) and a movable part (14), where the fixed part (13) consists of a pair of first profiles (15), in mirror-type layout and in a distance from each other, wherein the first profiles (15) are interconnected by two braces (16), the electric motor (4) being fixed on one of them, while a driving rod (5) passes through the other brace (16), wherein the movable part (14) consists of a pair of second profiles (17), in mirror-type layout and in a distance from each other, copying the shape of the first profiles (15), wherein in the pair of the first profiles (15) there are created grooves (18) with push-placed connecting elements (20), passing through the holes created in second profiles (17) and then passing through the grooves (18), wherein they are fixed in cases (19) on this side.
EP14002244.3A 2013-07-02 2014-07-01 Vertically adjustable table construction Active EP2823731B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL14002244T PL2823731T3 (en) 2013-07-02 2014-07-01 Vertically adjustable table construction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CZ2013-28154U CZ26472U1 (en) 2013-07-02 2013-07-02 Structure of height-adjustable table

Publications (3)

Publication Number Publication Date
EP2823731A2 true EP2823731A2 (en) 2015-01-14
EP2823731A3 EP2823731A3 (en) 2015-04-15
EP2823731B1 EP2823731B1 (en) 2018-01-03

Family

ID=50138075

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14002244.3A Active EP2823731B1 (en) 2013-07-02 2014-07-01 Vertically adjustable table construction

Country Status (4)

Country Link
EP (1) EP2823731B1 (en)
CZ (1) CZ26472U1 (en)
DK (1) DK2823731T3 (en)
PL (1) PL2823731T3 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104586155A (en) * 2015-02-11 2015-05-06 东莞莱姆森科技建材有限公司 Retractable and concealable bathroom mirror
CN109567386A (en) * 2018-12-26 2019-04-05 绍兴蒂尔莱特科技有限公司 A kind of multipurpose Linear actuator and its installation method for electric elevatable table
CN110801102A (en) * 2018-08-06 2020-02-18 可文山 Height-adjustable table leg
WO2020041943A1 (en) * 2018-08-27 2020-03-05 浙江捷昌线性驱动科技股份有限公司 Rapidly assembled modular height-adjustable table and rapid assembly method therefor

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWM622096U (en) * 2021-07-21 2022-01-11 第一傳動科技股份有限公司 Lifting table stand

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE446499B (en) * 1984-03-16 1986-09-22 Lars Johansson DEVICE AT A TABLE INCLUDING A HIGH AND LOWERABLE TABLE DISC
DE20011837U1 (en) * 2000-07-07 2001-01-04 Reiss Büromöbel GmbH, 04924 Bad Liebenwerda Height adjustable table with changeable table top
US6854402B2 (en) * 2002-04-19 2005-02-15 Dubarry Suzanne Adjustable shelf
SE0802030L (en) * 2008-09-24 2009-11-17 Swedestyle Ab Device for mounting a table top on a rack with drive means

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104586155A (en) * 2015-02-11 2015-05-06 东莞莱姆森科技建材有限公司 Retractable and concealable bathroom mirror
CN104586155B (en) * 2015-02-11 2016-04-13 东莞莱姆森科技建材有限公司 A kind of flexible concealed bath mirror
CN110801102A (en) * 2018-08-06 2020-02-18 可文山 Height-adjustable table leg
WO2020041943A1 (en) * 2018-08-27 2020-03-05 浙江捷昌线性驱动科技股份有限公司 Rapidly assembled modular height-adjustable table and rapid assembly method therefor
US11278113B2 (en) 2018-08-27 2022-03-22 Zhejiang Jiecang Linear Motion Technology Co., Ltd. Modularized fast assembly lift desk and fast assembly method therefor
CN109567386A (en) * 2018-12-26 2019-04-05 绍兴蒂尔莱特科技有限公司 A kind of multipurpose Linear actuator and its installation method for electric elevatable table

Also Published As

Publication number Publication date
PL2823731T3 (en) 2018-06-29
DK2823731T3 (en) 2018-04-16
CZ26472U1 (en) 2014-02-17
EP2823731B1 (en) 2018-01-03
EP2823731A3 (en) 2015-04-15

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