33 patents in this list

Updated:

Height-adjustable desks require precise control systems that can reliably position loads of 50-100kg while maintaining position accuracy within ±2mm. Current systems face challenges with drift over time, positioning repeatability across multiple daily adjustments, and maintaining synchronization between multiple lifting columns.

The fundamental challenge lies in balancing smooth, precise height control with robust position memory and user safety features that prevent sudden movements or drift.

This page brings together solutions from recent research—including predictive maintenance systems that monitor motor characteristics, synchronized telescoping mechanisms for stable movement, and smart control systems with user presence detection and automatic height recall. These and other approaches focus on creating reliable, user-friendly height adjustment systems suitable for daily office use.

1. Modular Desk with Central Support, Configurable Width, Adjustable Legs, and Embedded Smart Control Module

GUANGZHOU KUOHU ELECTRONIC PRODUCTS CO LTD, 2023

A modular, adjustable, expandable, and smart desk that can be configured to fit different workspace needs. The desk has a central support with left and right sections that overlap for combined installation. A driving mechanism below the central support allows expanding the desk width. Adjustable legs on both sides enable height customization. An embedded smart module controls features like desk extension, leg height adjustment, and LED lighting. This flexible, smart, and modular desk design enables customizable workstations without disassembly and expansion.

CN116869301A-patent-drawing

2. Adjustable Desk with Independently Height-Adjustable and Positionable Desktops

SHANGHAI GUMUTAN TECH CO LTD, SHANGHAI GUMUTAN TECHNOLOGY CO LTD, 2023

Adjustable desk with independently adjustable desktops that allows users to customize their workspace height and configuration. The desk has a main desktop and secondary desktops that can be adjusted independently. This allows users to set different heights for each desktop to suit their needs. The desktops can also be moved relative to each other to further adapt the layout. The adjustment mechanism uses rods, knobs, and locking members to change the height and position of the secondary desktops.

3. Adjustable Height Desk with Sliding Plates, Electric Lift, and Rotating Rod Mechanism

ZHONGGUANG GUOKE GUANGDONG TECH CO LTD, ZHONGGUANG GUOKE TECHNOLOGY CO LTD, 2023

Adjustable height student desk that allows customization to fit individual needs. The desk has a base with sliding plates, a table board between the slides, an electric lift rod on the back, and a connecting shaft, board surface, fixed rod, and rotating rod on the right side. The slides allow height adjustment, the electric lift raises/lowers the table, and the rotating rod limits the board surface movement. This lets users fine-tune the desk height by sliding, lifting, and rotating the board to find the optimal position for comfort and health.

CN219047750U-patent-drawing

4. Electric Lifting Desk with Height Memory and Encoding Counter System

GUANGZHOU LIEWEI TECH CO LTD, GUANGZHOU LIEWEI TECHNOLOGY CO LTD, 2023

Electric lifting desk with memory for storing and recalling previously set heights. The desk has a bottom frame, a lifting assembly between the frame and the table top, a driving assembly at the bottom to raise and lower the table, and an encoding counter in the driving assembly. The desk also has an operation panel on the table top that connects to the driving assembly. The panel allows setting and storing final height values. When the desk is next used, it can be raised to the previously stored height by retrieving the saved value from the panel.

CN218246190U-patent-drawing

5. Electrically Adjustable Desk System with Sensor-Based Motor Monitoring and User-Responsive Configuration

Oelschläger Metalltechnik GmbH, 2021

Electrically height-adjustable desk system with predictive remote maintenance, occupancy detection, and user customization. The system uses sensors to monitor the motor characteristics of the height adjustment mechanism. This allows for detecting faults, analyzing usage patterns, and enabling remote maintenance. The system also detects workstation utilization levels and automatically assigns free desks matching user preferences. It can customize desk settings based on user profiles. An associated chair accelerometer signals the desk to automatically adjust the height when the user switches between standing and sitting.

US20210386193A1-patent-drawing

6. Height-Adjusting Lift Table with User-Position Monitoring and Wireless Preference Storage

NINGBO AODEKE INTELLIGENT TECH CO LTD, NINGBO AODEKE INTELLIGENT TECHNOLOGY CO LTD, 2021

Smart lift table that adjusts height automatically based on user actions and stored preferences. The table has a controller with a wireless module to connect to an external smart device. It monitors user position to intelligently adjust height instead of manual buttons. The controller also stores optimal heights based on user height data to provide personalized automatic height selection.

CN112471744A-patent-drawing

7. Height-Adjustable Desktop with Scissor Mechanism and Actuator-Controlled Platform

Office Kick, Inc., 2021

Adjustable desktop that allows users to adjust the height of their work surface without needing a new adjustable desk. The desktop has a detachable upper work surface platform that attaches to a base platform resting on an existing desk. The upper platform is raised and lowered using a scissor mechanism with two sets of two arms that pivot. Actuators with feedback sensors move the arms in unison to lift and lower the platform. This allows customizing the height without needing a full adjustable desk.

8. Liftable Console with Preset Height Adjustment Control System

BEIJING BOXIN HONGDA ROOM EQUIPMENT CO LTD, 2020

A liftable console with memory function that allows users to quickly adjust the console height to their preferred level without manually lifting it each time. The console has a lifting mechanism connected to the bottom plate that raises the table top. A control system on the table communicates with the lifting mechanism to move it to a preset height position. This enables users to save and recall their preferred console height for convenience.

9. Tabletop Height Adjustment System with Actuator-Controlled Memory Storage and Recall Mechanism

Knoll, Inc., 2020

A tabletop adjustment system that allows quick and convenient height adjustment with memory storage and recall features. The system uses an actuator with a button and movable member attached to the tabletop. The actuator communicates with the height adjustment system to move the tabletop. The actuator controller stores and recalls specific height positions. This allows saving and recalling user-preferred heights for sitting and standing positions. It also prevents overshooting the minimum or maximum saved heights.

10. Modular Trapezoidal Frame with Independently Adjustable Work Surface Sections

DSA International, LLC, 2020

Height-adjustable work surface with a modular, trapezoidal frame structure that allows selective height adjustment of specific work areas instead of the entire surface. The trapezoidal frame has a fixed, flat table section and an adjustable section that can raise and lower independently. This allows users to raise only the areas they need, like a keyboard or monitor, while keeping the rest at a fixed height. It provides flexibility and customization for ergonomics and comfort without raising the whole surface. The modular frame can be used in standalone desks, reconfigurable workstations, conference tables, or unconventional applications like adjustable coffee tables.

11. Height-Adjustable Table with Independent Motorized Posts and Hand Controller

DONG GUAN SONG WEI ELECTRIC TECH CO LTD, DONG GUAN SONG WEI ELECTRIC TECHNOLOGY CO LTD, 2020

A height-adjustable multifunctional table that can be easily adjusted to different heights using a hand controller. The table has a base, two independent height-adjustable table posts, a fixing frame, a table board, a power adapter, a controller, and a hand controller. The hand controller allows the user to adjust the height of the table posts independently without manual intervention. This provides flexibility in height customization for tasks like sitting or standing while working. The controller and power adapter enable the motorized height adjustment.

12. Standing Desk with Automated Height Adjustment and User Profile Memory System

QualGear LLC, 2019

An automatically adjustable standing desk that remembers user-preferred heights for sitting and standing positions and prompts users to spend more time standing during the work day. The desk has a memory feature that allows users to easily adjust between sitting and standing heights without manual input. It also has sensors to detect when a user moves between sitting and standing. The desk can store multiple user profiles with their preferred heights. A mobile app provides metrics on standing time to encourage users to stand more.

13. Height-Adjustable Desk and Chair with Synchronized Motorized Lifting Mechanism

JIANGSU PROVINCIAL CENTER FOR DISEASE PREVENTION AND CONTROL, 2019

Height-adjustable intelligent desk and chair that can automatically adjust the height of the desk and chair to match the user's body dimensions. The desk has lifting motors on the legs and drawer sides, and the chair has a lifting motor on the seat. The desk and chair heights are synced using a control panel and motors. A power supply provides the necessary electrical power. This allows users to easily customize the desk and chair heights for optimal ergonomics and reduce the need for manual adjustment.

14. Height Adjustable Desk with Solenoid-Actuated Lifting Screw and Lubricated Movement Mechanism

KWON BYUNG WOON, 권병운, 2019

A height adjustable desk that allows users to set customized desk heights for different tasks and body positions. The desk has mechanisms to move the work surface up and down. It uses multiple solenoid devices and a lifting screw to precisely adjust the height. This allows users to secure a comfortable work space and appropriate height for sitting or standing tasks. The desk also has features like a fixed bridge and lubricating pads for smooth movement.

15. Table System with Independent Scissor Lift Mechanism for Height Adjustment

TWIN-STAR INTERNATIONAL INC, 2018

Adjustable height table system with separate legs and a scissor lift mechanism to independently adjust the height of the table top from the fixed base. The separate leg assembly attaches to the top of the fixed base and extends up to the table top. A scissor lift in the separate leg assembly allows adjusting the height of the table top away from the fixed base. This allows customizing the height of the tabletop without affecting the fixed base.

CN108685321A-patent-drawing

16. Table with Adjustable Height and Angle Featuring Control Panel with Mode Selection and User Preference Settings

TCT Nanotec Co., Ltd., 2018

Table with adjustable height and angle to improve ergonomics and convenience. The table has a control panel with icons for setting user preferences, adjusting height, and selecting modes like writing, reading, and standing. It calculates optimal heights based on user data. The table also has a tilting mechanism. When a mode icon is pressed, the table automatically adjusts the height and angle optimized for that task.

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17. Height-Adjustable Desk with Dual Motorized Mechanisms and Integrated Auxiliary Lighting

惠州市威帝食品科技有限公司, 2018

A height-adjustable learning desk that allows users to customize the desk height to suit their needs. The desk has two height adjustment mechanisms, one on each side, connected to the top board and bottom board. A control switch activates the adjustment motors. An auxiliary lighting device is mounted on the top board. This enables users to easily adjust the desk height for ergonomic comfort and prevent issues like poor posture or eye strain from fixed desks. The height-adjustable desk also has an optional auxiliary lighting feature to improve illumination.

18. Electronic Desk with Automated Height Adjustment and Integrated Display Control System

HEFEI RENDE ELECTRONIC TECH CO LTD, HEFEI RENDE ELECTRONIC TECHNOLOGY CO LTD, 2017

An electronic smart computer desk with automated height adjustment controlled by a display panel. The desk has a tabletop with a lower section connected to a height adjustment device. A display panel on the upper surface allows setting desired desk heights. When adjusted, commands are sent to a computer control system to drive the height adjustment device to the selected height. This provides automated, intelligent height adjustment for the desk. The display panel can also have features like memory presets and timed height changes. The desk can use materials like camphor, fir, or oak for health benefits.

CN106963116A-patent-drawing

19. Adjustable Desk with Interconnected Linkage and Height Locking Mechanism

PLFEA, 2017

A desk that can be adjusted to different heights and locked at desired heights to accommodate users of varying heights. The desk has a frame, a top plate, and a height adjuster. The adjuster has interconnected links and a control mechanism that allows the user to release and lock the height. The links rotate to raise or lower the top plate. A button releases the links to raise/lower, and a separate control locks them. This allows users to adjust their own desk height and secure it.

20. Height-Adjustable Desk and Chair System with Sensor-Based Height Detection and Gearbox Mechanism

UNIV OF SOUTH CHINA, UNIVERSITY OF SOUTH CHINA, 2017

Intelligent height-adjustable desks and chairs that can accurately adapt to the needs of students of different heights. The desks and chairs have sensors to detect the user's height, a controller to adjust the height, and a panel to input height preferences. The desks have sliding shields over photoelectric sensors to block light paths. The chairs have movable arms and a gearbox to raise and lower the seat. The sensors, controller, and gearbox allow precise and accurate height adjustment based on user measurements.

21. Variable Height Platform with Ratchet and Lock Mechanism for Controlled Adjustment

22. Desk with Adjustable Height Mechanism Featuring Sliding Passages in Receiving Portion

23. Adjustable Desk System with User-Specific Height Memory and Proximity-Based Automatic Adjustment

24. Adjustable Desk with Motorized Height and Width Adjustment Featuring Motion Detection and Balance Control

25. Desk with Adjustable Height and Angle Featuring Variable Flow Control System and Button-Activated Angle Adjustment Mechanism

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These patents demonstrate different methods of applying height presets. Some, such as those with memory presets for storing and recalling preferred heights, concentrate on the control mechanism. Others put a higher priority on user participation; examples include mobile app integration for standing time tracking or devices that automatically modify height upon user detection.