21 patents in this list

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Modern standing desks face significant space constraints when users need additional work surfaces. Standard desk footprints typically range from 48" x 24" to 60" x 30", leaving limited room for tasks requiring temporary expansion—such as document sorting, collaborative work, or multi-device setups. Current fixed-surface solutions often compromise desk stability or obstruct height adjustment mechanisms.

The engineering challenge centers on creating expandable work surfaces that maintain structural integrity during height transitions while allowing quick deployment and storage.

This page brings together solutions from recent research—including modular attachment systems, collapsible platforms with interlocking supports, telescoping surface extensions, and portable conversion units. These and other approaches focus on practical implementations that preserve desk stability and height-adjustment functionality while providing flexible workspace expansion.

1. Office Desk with Rotatable Panels, Sliding Block Mechanism, and Modular Storage Integration

ZHEJIANG AOSHI INTELLIGENT FURNITURE CO LTD, 2024

An intelligent office desk with extendable and configurable workspace to improve efficiency. The desk has a base with a rotatable connecting plate on one side of the panel. Two panels can be rotated and connected to the base forming a fixed workspace. A sliding block can be moved on the base. The base has a power component to drive the sliding block. Additional storage boxes can be plugged into the base. This allows extending the workspace length by moving the sliding block, configuring the workspace layout with multiple panels, and adding storage.

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2. Adjustable Desk with Extendable Side Boards and Height Modifiable Clamping Block

JIANGXI FURUI FURNITURE CO LTD, 2023

A multifunctional desk that can adjust its size and height for customization and ergonomics. The desk has a central tabletop with extension boards on either side that can be pulled out. Limiter bars prevent the boards from extending too far. To raise the desk, a clamping block moves up and out of a slot in the support leg. The block has elastic members that clamp objects placed in circular grooves to prevent them from sliding off. The clamping block also has magnets to attract metal objects and prevent them from sliding off.

3. Modular Workstation with Independently Adjustable Telescoping Sections Forming Circular Work Surface

UNIFOR S.P.A., 2023

A modular workstation that can adapt to different user needs and requirements by allowing customization of work surface size and height. The workstation has a base with a processing unit and power plug. Four telescoping sections extend from the base to form a circular work surface. Each section has its user interface. The sections can be adjusted independently for different user heights. This allows multiple users with varying needs to use the same workstation without compromising comfort. The circular configuration saves space compared to a fixed multi-seat station.

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4. Adjustable Desk with Modular Attachment System and Height-Adjustable Core Body

Mateo Goods Co., 2023

Adjustable desk with modular attachments that allow customization and flexibility in configuration. The desk has a core body with left and right support structures. The work surface is mounted on the core body. Modular attachments like monitor arms, shelves, etc. can be attached to the support structures using brackets. This allows users to add/remove accessories as needed and adjust their workspace layout. The desk can also be height-adjustable. The modular design allows for easy reconfiguration of the desk setup without needing to replace the entire desk.

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5. Unfoldable Desk with Telescopic Expansion and Anti-Skid Leg Pads

GUANGDONG AILIN TECH CO LTD, GUANGDONG AILIN TECHNOLOGY CO LTD, 2023

Unfoldable boss desk with telescopic expansion capability that allows free transformation based on user needs. The desk has a bottom with supporting legs on both sides, each leg having a pad on the lower surface and an anti-skid pad on the upper surface. This allows the desk to unfold and telescope out when needed by pushing the legs apart, providing additional workspace, then folding back to a compact size.

6. Extendable Desk with Removable Side Boards and Sliding Secondary Desktops Featuring Rotatable Support Plates

WUXI INST OF COMMERCE, WUXI INSTITUTE OF COMMERCE, 2022

An extendable desk that can expand in width by leveraging the side boards of the fixed desk top. The desk has a fixed top with side boards attached at the bottom. Each side board is removably connected to a secondary desktop that can slide in and out. The secondary desktops have cutouts on their inner surfaces and rotatable support plates. This allows them to pivot and expand the width of the desk while still using the existing side boards for support.

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7. Sliding Desk and Chair Assembly with Adjustable Interconnected Frames and Extendable Work Surface Support

HANNAM UNIVERSITY INSTITUTE FOR INDUSTRY-ACADEMIA COOPERATION, UNIV HANNAM INST IND ACAD COOP, 2022

An adjustable desk and chair that can be moved apart to customize the distance between the work surface and seating. The desk and chair frames are coupled together so they can slide relative to each other. An extendable support slides underneath the desk to expand the work area. This allows the desk-chair distance to be adjusted for user preferences and accommodates different body sizes. The integrated design provides a flexible workspace that can adapt to individual needs.

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8. Desk Top Expansion Mechanism with Rotatable Panels and Threaded Actuation System

ANHUI BOAO FURNITURE MANUFACTURING CO LTD, ANHUI BOAO FURNITURE MFG CO LTD, 2022

A mechanism for expanding the size of a desk top beyond the fixed size by adding moveable sections. The mechanism has a base, two fixed initial table tops, and two rotatable expansion panels connected to the ends of the initial tops. The expansion panels rotate around a central connection point. A threaded sleeve and screw are fixed to the base. The expansion panels have threads that screw into the sleeve to expand or contract the desk size.

9. Adjustable Desk with Telescoping Frame and Rotatable Sections for Multi-Dimensional Monitor and Workspace Configuration

Hangzhou Kaige Industrial Co., Ltd., HANGZHOU KAIGE INDUSTRIAL CO LTD, 2021

A multi-dimensional adjustable desk that allows customization of height, angle, and position of a computer monitor to suit user preferences and workspaces. The desk has an expandable table body with extension units on the ends. One extension has an adjustment unit with a telescoping frame, rotating plate, and T-block. This allows vertical height adjustment of the monitor and left/right angle rotation. The desk also has a rotatable vertical section that can extend and pivot. This allows length and rotation adjustment. The desk expands overall size, partitions workstations, and adapts to various workspace configurations.

10. Modular Adjustable Desk with Interlocking Slot-and-Tongue Mechanism for Height and Configuration Customization

XIANGHE COUNTY FENGYANG METAL PRODUCTS CO LTD, 2021

A modular, adjustable height desk that allows customization of size and functionality. The desk has a base with slots and a matching tongue. A vertical frame and horizontal frame can slide into the slots to adjust height. A removable board with a tongue fits into the base slots to extend the desk. This allows forming different areas like a hanging board for organizing small items or enclosed storage. The adjustable height and modular extensions accommodate users of different heights and preferences.

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11. Expandable Desk with Modular Sub-Panels and Worm Gear-Driven Rotating Rods

SHANGHAI YULONGGANG FURNITURE CO LTD, 2021

Expandable desk with modular sections that can be extended to increase the workspace area. The desk has a main panel with drawers below and movable sub-panels on the sides. Connecting frames with rotating rods connect the sub-panels to the main panel. The rotating rods have worm gears that drive threaded rods to move the sub-panels and limit blocks. This allows the sub-panels to slide and expand the desk surface.

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12. Desk with Extendable Movable Top and Modular Configuration

ANHUI SUN CREATE ELECTRONIC CO LTD, 2021

A movable desk with an extendable desktop that can be easily adapted to different workspace needs. The desk has a fixed base and a movable top section that can extend out. The movable top has an extendable section that can be activated to increase the desk size. This allows the user to expand the workspace without needing a separate larger desk. The movable top can be retracted when not in use to conserve space. The desk's modular design enables flexible configuration options for different work scenarios.

13. Desk with Hinged Collapsible Extensions and Telescopic Support Plates

WU XIANHONG, 2020

Adjustable-size desk with collapsible extensions that avoids the problem of extensions sticking out when not in use. The desk has a central panel with hinged extensions on each side. When the extensions are collapsed, they tuck against the central panel. The extensions have sliding bearing sleeves that attach to telescopic support plates. Limit blocks prevent the extensions from extending past the central panel when collapsing. This allows the desk to have adjustable size without the extensions sticking out when not needed.

14. Adjustable Desk Extension Panel with Sliding and Rotating Mechanisms for Height and Length Adjustment

HEFEI UNIVERSITY, UNIV HEFEI, 2020

Multifunctional desk extension panel for adjustable desk height and rotation to provide flexibility and customization for students and home workers. The panel can extend the desk length, raise the height, rotate, and lock in position. It has sliding components and rotating joints that allow adjustment. The extension panel attaches to the desk frame and can be moved to extend the workspace length. A sliding box with a rotating turntable raises the panel. It can be locked in place. The panel can also rotate around a fixed post. This allows adjusting the panel angle for tasks like painting or writing. The panel components include beams, brackets, gears, and rolling bearings.

15. Collapsible Platform with Interlocking Jointed Support Panels for Desk Conversion

Upright Kids LLC, 2018

Collapsible platform to convert a regular desk into a standing desk with a larger work surface suitable for tasks like handwriting and sketching. The collapsible platform has a work panel with a larger work surface and a support arrangement that collapses to change between assembled and collapsed states. The support panels segment and connect with joints. In the assembled state, they interlock and slide together. In the collapsed state, they disconnect and slide apart. This allows easy assembly and disassembly. The collapsible platform can be stored under the regular desk when not in use.

16. Collapsible Platform with Interlocking Joint System for Desk Surface Expansion

Upright Kids LLC, 2018

Collapsible platform to convert a fixed desk into a standing desk with a larger work surface suitable for tasks like handwriting and sketching. The platform has a work panel and support arrangement that collapses. The work panel has front, back, and side edges. The support has front, back, and side panels that connect at joints. The joints release to collapse the platform. When assembled, the joints interlock. This allows converting the fixed desk to a standing desk with a larger surface, then collapsing it when not needed.

17. Adjustable Desk with Expandable Side Panels and Height-Adjustable Legs

BEIHUA UNIV, BEIHUA UNIVERSITY, 2016

Scalable desk design that allows adjustment of desk size and height for optimized workspace organization and ergonomics. The desk has a base with legs, a fixed desk panel, and expandable side panels. The base and fixed panel are connected. The expandable side panels can be added or removed to adjust desk width. The desk height can be adjusted using a lifting mechanism in the legs. This allows students to customize the desk size and height to fit their needs.

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18. Desk with Adjustable Depth via Detachable Rear Member and Integrated Back Plate

BENESSE CORP, KARIMOKU FURNITURE INC, 2016

A desk that can change the depth of the work space by attaching and detaching a rear member behind the top plate, without needing additional parts. The desk has a pair of legs, a top plate, and a detachable rear member that can be moved to expand or contract the depth of the work space. This allows the desk to accommodate different user heights and room sizes. The rear member can also be used as a fixed back plate when not attached as an auxiliary top plate. This ensures the desk always has a back plate for functions like bookends, even when changing the depth.

19. Student Desk with Telescopic Vertical and Horizontal Adjustment Mechanism

UNIV XIAMEN TECHNOLOGY, XIAMEN UNIVERSITY OF TECHNOLOGY, 2015

Adjustable height and length student desk with telescopic support mechanism that allows the desk to be customized to different user heights and needs. The desk has a panel with adjustable legs and a bottom board with telescoping supports. The panel legs can extend and retract vertically to adjust desk height. The bottom board supports have telescoping sections that extend horizontally to adjust desk length. This allows the desk to accommodate users of varying heights by adjusting both height and length. The telescopic mechanism uses connected pipes with sleeves and spring-loaded joints to allow extension and retraction.

20. Adjustable Height Table with Independently Elevating Panels and Limit Rod Mechanism

ZHANG JINGFENG, 2015

Adjustable height multifunctional table with multiple panels that can be raised or lowered independently to accommodate users of different heights. The table has a base, six support columns, sliding sleeves, and limit rods. The columns attach to the base and have limit holes. Panels are mounted on the base and have fixed sleeves. The limit rods extend through the fixed sleeves and limit holes. By sliding the limit rods up or down, the panels can be raised or lowered independently. This allows customizing the table height for individual users.

Many ways to address the surface expansion of standing workstations are demonstrated by the patents mentioned here. Adaptable designs or detachable accessories are examples of modular solutions. Collapsible and height-adjustable models are among those that emphasize portability and user-friendliness.

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