US20230000247A1 - Lift desk - Google Patents

Lift desk Download PDF

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Publication number
US20230000247A1
US20230000247A1 US17/678,312 US202217678312A US2023000247A1 US 20230000247 A1 US20230000247 A1 US 20230000247A1 US 202217678312 A US202217678312 A US 202217678312A US 2023000247 A1 US2023000247 A1 US 2023000247A1
Authority
US
United States
Prior art keywords
desk
desk board
board
lift
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.)
Abandoned
Application number
US17/678,312
Other languages
English (en)
Inventor
Rongzheng LIN
Jian Yi
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.)
Luxshare Precision Industry Co Ltd
Original Assignee
Luxshare Precision Industry Co 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 Luxshare Precision Industry Co Ltd filed Critical Luxshare Precision Industry Co Ltd
Assigned to LUXSHARE PRECISION INDUSTRY CO., LTD. reassignment LUXSHARE PRECISION INDUSTRY CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: LIN, RONGZHENG, YI, JIAN
Publication of US20230000247A1 publication Critical patent/US20230000247A1/en
Abandoned legal-status Critical Current

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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
    • A47B41/00—School desks or tables
    • A47B41/02—Adjustable, inclinable, sliding or foldable desks 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
    • A47B9/00—Tables with tops of variable height
    • A47B9/12—Tables with tops of variable height with flexible height-adjusting means, e.g. rope, chain
    • 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
    • A47B13/08—Table tops; Rims therefor
    • 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
    • A47B17/00—Writing-tables
    • A47B17/02—Writing-tables with vertically-adjustable parts
    • 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
    • A47B9/16—Tables with tops of variable height with means for, or adapted for, inclining the legs of the table for varying the height of the top, e.g. with adjustable cross legs

Definitions

  • the present disclosure relates to the field of multifunctional desks and, in particular, to a lift desk.
  • each desk in the market has only one desktop.
  • the grooves provided by some desktops are only simple recessed structures and tend to provide relatively limited functions. The main functions are described below.
  • a storage function is provided: stationery such as a pen is usually placed.
  • a fixing function is provided: a digital product such as a mobile phone or a tablet is placed at a certain angle and fixed.
  • the present disclosure provides a lift desk, so as to solve the problems in the related art that fewer items can be placed on a desktop and a groove on the desktop cannot provide support.
  • the present disclosure provides a lift desk.
  • the lift desk includes a support base, a first desk board, a second desk board and an adjustment support assembly.
  • the first desk board is connected to the support base by a lift mechanism.
  • the second desk board is connected to the first desk board and positioned between the support base and the first desk board.
  • the second desk board is provided with a groove at a side of the second desk board facing towards the first desk board.
  • the adjustment support assembly includes a support block.
  • the support block is slidably disposed in the groove and configured to cooperate with the second desk board to support a supported object.
  • the adjustment support assembly further includes a slide rail embedded in the groove.
  • the slide rail is provided with a slide groove.
  • the support block is slidably disposed in the slide groove.
  • a groove wall of the slide groove is provided with a limiting ridge projecting towards the slide groove.
  • the limiting ridge extends in the same direction as the slide groove.
  • a notch is provided on a side of the support block. The notch is slidably sleeved on the limiting ridge.
  • an end of the support block is in contact with the slide rail, and a round corner is provided at a side of the end facing away from the notch.
  • the lift mechanism includes a linkage assembly and a drive member.
  • the linkage assembly is disposed between the support base and the first desk board.
  • the drive member is configured to drive the linkage assembly to rotate to adjust a distance between the first desk board and the support base.
  • the linkage assembly includes two drive rods and two driven rods.
  • the two drive rods are parallel to and spaced apart from each other.
  • Each of the two drive rods comprises a first end and a second end.
  • First ends of the two drive rods are rotatably connected to two opposite sides of the first desk board respectively.
  • Seconds ends of the two drive rods are rotatably rotationally connected to two opposite sides of the support base respectively.
  • the two drive rods are connected to an output end of the drive member by a synchronizing member.
  • the two driven rods are parallel to and spaced apart from each other.
  • Each of the two driven rods comprises a first end and a second end.
  • First ends of the two driven rods are rotatably connected to the two opposite sides of the first desk board respectively.
  • Seconds ends of the two driven rods are rotatably connected to the two opposite sides of the support base respectively.
  • first desk board and the second desk board are parallel to each other. Along a direction of the boards, a part of the second desk board projects out of the first desk board.
  • support board regions extend from two sides of an end of the second desk board projecting out of the first desk board respectively.
  • an edge of the first desk board is provided with an escape groove extending through two opposite side board surfaces of the first desk board.
  • a projection of the groove in a direction perpendicular to a board surface of the first desk board is located in the escape groove.
  • the support block is configured to cooperate with the escape groove and the second desk board to support the supported object.
  • the first desk board is provided with two connecting pieces.
  • the second desk board is connected to the first desk board by the two connecting pieces.
  • the two connecting pieces are positioned at two opposite sides of the escape groove respectively.
  • FIG. 1 is a structure view of a lift desk according to an embodiment of the present disclosure.
  • FIG. 2 is an exploded view of a lift desk according to an embodiment of the present disclosure.
  • FIG. 3 is a structure view of an adjustment support assembly according to an embodiment of the present disclosure.
  • orientations or position relations indicated by terms such as “center”, “upper”, “lower”, “left”, “right”, “vertical”, “horizontal”, “in” and “out” are based on the drawings. These orientations or position relations are intended only to facilitate and simplify the description of the present disclosure and not to indicate or imply that a device or element referred to must have such particular orientations or must be configured or operated in such particular orientations. Thus, these orientations or position relations are not to be construed as limiting the present disclosure. Moreover, terms such as “first” and “second” are used only for the purpose of description and are not to be construed as indicating or implying relative importance.
  • first position and second position are two different positions. Moreover, when the first feature is described as “on”, “above” or “over” the second feature, the first feature is right on, above or over the second feature or the first feature is obliquely on, above or over the second feature, or the first feature is simply at a higher level than the second feature. When the first feature is described as “under”, “below” or “underneath” the second feature, the first feature is right under, below or underneath the second feature or the first feature is obliquely under, below or underneath the second feature, or the first feature is simply at a lower level than the second feature.
  • the present embodiment provides a lift desk.
  • the lift desk includes a support base 1 , a first desk board 2 , a second desk board 3 and an adjustment support assembly 4 , where the first desk board 2 is connected to the support base 1 by a lift mechanism 5 , and the second desk board 3 is connected to the first desk board 2 and positioned between the support base 1 and the first desk board 2 .
  • the adjustment support assembly 4 includes a support block 42 .
  • the second desk board 3 is provided with a groove 31 at a side of the second desk board 3 facing towards the first desk board 2 .
  • the support block 42 is slidably disposed in the groove 31 and configured to cooperate with the first desk board 2 and the second desk board 3 to support a supported object 100 .
  • the supported object 100 refers to a laptop.
  • the supported object 100 may be another electronic device, which is not limited thereto.
  • the desk boards of the lift desk can be lifted and lowered to provide a support structure at different heights.
  • the two desk boards can hold more items.
  • the two desk boards are arranged at different layers so that the two desk boards have different heights to meet the placement requirements of different items and facilitate the simultaneous use of the two desk boards.
  • the second desk board 3 is provided with the groove 31 at the side of the second desk board 3 facing towards the first desk board 2 , and the support block 42 is slidably disposed in the groove 31 , supports the supported object 100 in cooperation with the second desk board 3 and can support supported objects 100 at different positions in cooperation with the groove 31 .
  • round corners are provided at two ends of the groove 31 .
  • This arrangement facilitates machining the structure of the groove 31 by a milling process.
  • the second desk board 3 is made of wood with poor wear resistance.
  • the adjustment support assembly 4 further includes a slide rail 41 embedded in the groove 31 .
  • the slide rail 41 is provided with a slide groove 411 .
  • the support block 42 is slidably disposed in the slide groove 411 .
  • the slide rail 41 is made of plastics or other soft materials. Such an arrangement can prevent the groove 31 of the second desk board 3 from being worn and improve the durability of the second desk board 3 .
  • a groove wall of the slide groove 411 is provided with a limiting ridge 412 .
  • the limiting ridge 412 extends in the same direction as the slide groove 411 and projects towards the inside of the slide groove 411 .
  • a notch 421 is provided on a side of the support block 42 .
  • the notch 421 is slidably sleeved on the limiting ridge 412 .
  • an end of the support block 42 is in contact with the slide rail 41 , and a round corner is provided at a side of the end facing away from the notch 421 , where a centerline of the round corner is consistent with the direction in which the slide groove 411 extends.
  • the support block 42 is inclined by a certain angle to allow the notch 421 to be fitted with the limiting ridge 412 , and then the support block 42 is inclined in a reverse direction so that the support block 42 can be placed in the slide groove 411 .
  • the support block 42 is inclined by 45 degrees to allow the notch 421 to be fitted with the limiting ridge 412 , then the support block 42 is reversely rotated around the limiting ridge 412 by 45 degrees so that the support block 42 can be placed in the slide groove 411 .
  • Such an arrangement facilitates the mounting of the support block 42 and can prevent the support block 42 from being pulled out in the opening direction of the notch 421 .
  • the number of the support block 42 is at least two. Specifically, two support blocks 42 are provided. This arrangement makes both the two support blocks 42 smaller in volume, saves a cost and can support supported objects 100 with different sizes by adjusting a distance between the two support blocks 42 .
  • the support block 42 is provided with an inclined plane at an end of the support block 42 away from the slide rail 41 .
  • the inclined plane is configured to abut against the supported object 100 .
  • the arrangement of the inclined plane increases a contact area between the support block 42 and the supported object 100 , improving the stability of support.
  • the lift desk further includes a non-slip pad 422 .
  • the non-slip pad 422 is disposed on the incline plane.
  • the non-slip pad 422 is stuck to the incline plane. The arrangement can prevent the supported object 100 from slipping, further improving the safety of use.
  • the lift mechanism 5 includes a linkage assembly 51 and a drive member 52 .
  • the linkage assembly 51 is disposed between the support base 1 and the first desk board 2 .
  • the drive member 52 is configured to drive the linkage assembly 51 to rotate so as to adjust a distance between the first desk board 2 and the support base 1 . With such an arrangement, the rotation of the linkage assembly 51 is transformed into the lifting motion of the first desk board 2 , making the first desk board 2 lifted and lowered more stably.
  • the linkage assembly 51 includes two drive rods 511 and two driven rods 512 .
  • the two drive rods 511 are parallel to and spaced apart from each other.
  • One end of the drive rod 511 is rotatably connected to the first desk board 2 and the other end of the drive rod 511 is rotatably connected to the support base 1 .
  • the two drive rods 511 are disposed on two opposite sides of the first desk board 2 and two opposite sides of the support base 1 , respectively.
  • the two drive rods 511 are connected to an output end of the drive member 52 by a synchronizing member, where the synchronizing member is fixed between the two drive rods 511 .
  • the drive member 52 may optionally be a pushrod motor or an electric cylinder. One end of the drive member 52 is hinged to the support base 1 and the other end of the drive member 52 is hinged to the synchronizing member.
  • the two driven rods 512 are parallel to and spaced apart from each other. One end of the driven rod 512 is rotatably connected to the first desk board 2 and the other end of the driven rod 512 is rotatably connected to the support base 1 .
  • the two driven rods 512 are also disposed on the two opposite sides of the first desk board 2 and the two opposite sides of the support base 1 , respectively. With such an arrangement, the first desk board 2 will not turn over or tilt when lifted or lowered.
  • the support base 1 is provided with a limiting member 6 .
  • the limiting member 6 is configured to abut against the drive rod 511 when the first desk board 2 is lifted to a limit position.
  • the drive rod 511 and the driven rod 512 positioned on the same side of the support base 1 are spaced apart from each other.
  • the limiting member 6 is provided between the drive rod 511 and the driven rod 512 so that the limiting member 6 is configured to abut against a side of the drive rod 511 facing towards the driven rod 512 when the first desk board 2 is lifted to a limit position and abut against a side of the driven rod 512 facing towards the drive rod 511 when the first desk board 2 is lowered to a limit position.
  • the limiting member 6 at one position limits two limit positions of the first desk board 2 so that the structure is compact and the cost is saved.
  • the first desk board 2 and the second desk board 3 are parallel to each other.
  • a part of the second desk board 3 projects out of the first desk board 2 . This arrangement prevents the second desk board 3 in use from being blocked by the first desk board 2 , improving the convenience of use of the second desk board 3 .
  • support board regions 32 extend from two sides of an end of the second desk board 3 projecting out of the first desk board 2 respectively. With the arrangement of the support board regions 32 , it is convenient for the user to place the arms when the user uses the second desk board 3 , improving the comfort of the user.
  • an edge of the first desk board 2 is provided with an escape groove 26 extending through two opposite side board surfaces of the first desk board 2 .
  • a projection of the groove 31 in a direction perpendicular to the board surface of the first desk board 2 is located in the escape groove 26 .
  • the support block 42 is configured to cooperate with the escape groove 26 and the second desk board 3 to support the supported object 100 .
  • a part of the supported object 100 is located in the escape groove 26 .
  • the first desk board 2 is provided with two connecting pieces 21 .
  • the second desk board 3 is connected to the first desk board 2 by the two connecting pieces 21 .
  • the two connecting pieces 21 are positioned at two opposite sides of the escape groove 26 respectively.
  • the connecting piece 21 is provided with a carrying portion at an end of the connecting piece 21 away from the first desk board 2 .
  • a surface of the second desk board 3 facing away from the first desk board 2 abuts against the carrying portion. Such an arrangement improves the stability of the second desk board 3 .
  • the first desk board 2 is provided with a cylindrical first placement groove 22 for holding items. Such an arrangement improves the storage capacity of the first desk board 2 .
  • the first desk board 2 is further provided with an elongated second placement groove 23 for holding items.
  • Such an arrangement further improves the storage capacity of the first desk board 2 .
  • a tablet 200 or a mobile phone 300 may be inserted into the second placement groove 23 , and the tablet 200 or the mobile phone 300 in an inclined state may be supported by an edge of the second placement groove 23 .
  • the first desk board 2 is made of wood with poor wear resistance.
  • the lift desk further includes a first placement tray 24 and a second placement tray 25 both of which are made of plastics.
  • the first placement tray 24 and the second placement tray 25 are respectively embedded in the first placement groove 22 and the second placement groove 23 .
  • the first placement tray 24 , the second placement tray 25 and the slide rail 41 may also be made of a metal such as aluminum alloy, iron and steel, which is not limited thereto.
US17/678,312 2021-06-30 2022-02-23 Lift desk Abandoned US20230000247A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202121474389.5 2021-06-30
CN202121474389.5U CN215685535U (zh) 2021-06-30 2021-06-30 一种升降桌

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US20230000247A1 true US20230000247A1 (en) 2023-01-05

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US17/678,312 Abandoned US20230000247A1 (en) 2021-06-30 2022-02-23 Lift desk

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US (1) US20230000247A1 (zh)
CN (1) CN215685535U (zh)
DE (1) DE202022103520U1 (zh)
TW (1) TWM628238U (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD1017284S1 (en) * 2022-12-19 2024-03-12 Binghong Yang Laptop computer desk

Citations (23)

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US727438A (en) * 1903-02-14 1903-05-05 John William Henry Piner School-desk.
US4648574A (en) * 1984-11-21 1987-03-10 Axhamre International Ab Rotary stand
US4986193A (en) * 1988-10-19 1991-01-22 Helmut Steinhilber Desk top for stand-up and writing desk
US5116011A (en) * 1990-11-21 1992-05-26 Smith Lawrence E Accessory track to accommodate multiple accessories
US5301616A (en) * 1993-01-22 1994-04-12 Mayline Company, Inc. Repositionable paper stop for a table surface
US5735222A (en) * 1994-02-18 1998-04-07 Webb; Sharon L. Vertically adjustable detachable keyboard tray
US5896817A (en) * 1998-02-17 1999-04-27 Hancock; Carl M. Computer desk with tilted work surface
US6123304A (en) * 1997-10-30 2000-09-26 Hubbell Incorporated Swivable keyboard shelf
US6454224B1 (en) * 2001-03-13 2002-09-24 Dilip Nogueira Forearm and wrist support assembly for keyboard user
US6474614B2 (en) * 2000-07-05 2002-11-05 Road Tools Llc Heat dissipating laptop computer stand with adjustable tilt
US6511039B1 (en) * 2000-08-10 2003-01-28 3M Innovative Properties Company Collapsible notebook computer platform
US6802264B2 (en) * 2003-01-13 2004-10-12 Charles J. Kasak Slide-away work top for computer stations
US8544808B2 (en) * 2005-04-27 2013-10-01 David J. Saad Ventilation support for laptop computers
US9055810B2 (en) * 2012-05-24 2015-06-16 Varidesk, Llc Adjustable desk platform
US9504316B1 (en) * 2016-04-20 2016-11-29 Henry Streicher Height adjustable desktop assembly
US20180000239A1 (en) * 2016-06-29 2018-01-04 Posturite Limited Height Adjustable Workstation
US20180177289A1 (en) * 2016-12-23 2018-06-28 Ying Liang Health Tech. Co., Ltd. Desktop liftable platform
US10111518B2 (en) * 2016-11-23 2018-10-30 Knape & Vogt Manufacturing Company Adjustable ergonomic workstation
US10264877B2 (en) * 2016-06-03 2019-04-23 Designa Inc. Height adjustment mechanism, platform and method
US10791826B2 (en) * 2017-03-31 2020-10-06 Twin-Star International, Inc. Adjustable height desk system
US10986918B2 (en) * 2017-12-22 2021-04-27 Loctek Inc. Lifting table
US11291300B2 (en) * 2019-12-10 2022-04-05 Vaiala Ugapo Sliding control mount assembly
US20220295982A1 (en) * 2021-03-18 2022-09-22 Ningbo Intech Smart Technology Co., Ltd Height-adjustable desk

Patent Citations (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US727438A (en) * 1903-02-14 1903-05-05 John William Henry Piner School-desk.
US4648574A (en) * 1984-11-21 1987-03-10 Axhamre International Ab Rotary stand
US4986193A (en) * 1988-10-19 1991-01-22 Helmut Steinhilber Desk top for stand-up and writing desk
US5116011A (en) * 1990-11-21 1992-05-26 Smith Lawrence E Accessory track to accommodate multiple accessories
US5301616A (en) * 1993-01-22 1994-04-12 Mayline Company, Inc. Repositionable paper stop for a table surface
US5735222A (en) * 1994-02-18 1998-04-07 Webb; Sharon L. Vertically adjustable detachable keyboard tray
US6123304A (en) * 1997-10-30 2000-09-26 Hubbell Incorporated Swivable keyboard shelf
US5896817A (en) * 1998-02-17 1999-04-27 Hancock; Carl M. Computer desk with tilted work surface
US6474614B2 (en) * 2000-07-05 2002-11-05 Road Tools Llc Heat dissipating laptop computer stand with adjustable tilt
US6511039B1 (en) * 2000-08-10 2003-01-28 3M Innovative Properties Company Collapsible notebook computer platform
US6454224B1 (en) * 2001-03-13 2002-09-24 Dilip Nogueira Forearm and wrist support assembly for keyboard user
US6802264B2 (en) * 2003-01-13 2004-10-12 Charles J. Kasak Slide-away work top for computer stations
US8544808B2 (en) * 2005-04-27 2013-10-01 David J. Saad Ventilation support for laptop computers
US9055810B2 (en) * 2012-05-24 2015-06-16 Varidesk, Llc Adjustable desk platform
US9504316B1 (en) * 2016-04-20 2016-11-29 Henry Streicher Height adjustable desktop assembly
US10264877B2 (en) * 2016-06-03 2019-04-23 Designa Inc. Height adjustment mechanism, platform and method
US20180000239A1 (en) * 2016-06-29 2018-01-04 Posturite Limited Height Adjustable Workstation
US10111518B2 (en) * 2016-11-23 2018-10-30 Knape & Vogt Manufacturing Company Adjustable ergonomic workstation
US20180177289A1 (en) * 2016-12-23 2018-06-28 Ying Liang Health Tech. Co., Ltd. Desktop liftable platform
US10791826B2 (en) * 2017-03-31 2020-10-06 Twin-Star International, Inc. Adjustable height desk system
US10986918B2 (en) * 2017-12-22 2021-04-27 Loctek Inc. Lifting table
US11291300B2 (en) * 2019-12-10 2022-04-05 Vaiala Ugapo Sliding control mount assembly
US20220295982A1 (en) * 2021-03-18 2022-09-22 Ningbo Intech Smart Technology Co., Ltd Height-adjustable desk

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD1017284S1 (en) * 2022-12-19 2024-03-12 Binghong Yang Laptop computer desk

Also Published As

Publication number Publication date
CN215685535U (zh) 2022-02-01
DE202022103520U1 (de) 2022-09-21
TWM628238U (zh) 2022-06-11

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Effective date: 20220217

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