Adjustable writing board
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Solution Overview
Problem
Conventional writing boards lack easy height adjustment mechanisms that are user-friendly, either cumbersome or expensive, and cannot be easily moved manually or controlled remotely for position and level adjustments.
Innovation Solution
An adjustable writing board with a planar member having side edges slidably engaged with stations, a remote control panel for electric control, and a locking mechanism with a wheel roller and stoppers that can retract and contract to adjust the board's position and level, allowing manual and remote operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a writing board is designed to be adjustable in height and position, then ease of operation is improved, but device complexity increases
Solution Approach 1:
The adjustment mechanism is divided into discrete modular components: multiple stations positioned at different heights, wheel rollers that engage with individual stations, and independent locking mechanisms at each station. This segmentation allows the board to be adjusted in discrete increments without requiring a complex continuous adjustment system.
Solution Approach 2:
Wheel rollers serve as intermediary elements between the planar member and the stations. These rollers simplify the interaction by providing a simple rolling contact that engages with the stations, eliminating the need for complex mechanical linkages or threaded adjustment mechanisms.
2Ease of operation
If remote control capability is added to the writing board, then ease of operation is improved, but device complexity increases
Solution Approach 1:
The manual mechanical adjustment system is supplemented with an electrical remote control system. The remote control panel with buttons provides electrical signals to activate motors or solenoids that drive the adjustment mechanism, replacing or augmenting purely manual operation without requiring complex wired control systems.
3Reliability
If multiple stations with locking mechanisms are implemented, then reliability of position holding is improved, but device complexity increases
Solution Approach 1:
The locking function is segmented into independent locking mechanisms at each station rather than a single complex locking system. Each station has its own simple lockable wheel roller, allowing independent securing at different positions and reducing the complexity of any single locking component.
Solution Approach 2:
The locking mechanism is designed to be self-latching or self-holding once engaged. The wheel roller engages with the station and the locking mechanism automatically maintains the position without requiring continuous external force or complex active control systems.
Data Source
AI summary
An adjustable writing board includes a planar member having a front face, a rear face opposed to the front face, two side edges slidably engaged with a first station and a second station respectively; a selective third station slidably engaged with a middle portion of the planar member; a selective remote control panel electrically connected with the first station, the second station, and/or the third station to control operations thereof; wherein each of the first station, the second station, and/or the third station comprises a locking mechanism having a slide guiding rail, a wheel roller slidably received in the slide guiding rail, and a plurality of spring-loaded stoppers, which can retract and contract to block and release the wheel roller.