Auto Rolling Whiteboard with Motor-Driven Roller and Adjustable Eraser
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Solution Overview
Problem
Manual erasure of whiteboards and chalkboards is tedious and time-consuming, making it inefficient to reuse or present previously written material, as it requires non-uniform motion and constant user intervention.
Innovation Solution
An automatic rolling and erasing board system comprising a motor-driven roller mechanism with a flexible sheet and an adjustable eraser bracket that uniformly erases non-permanent markings, allowing for efficient and adaptive erasure without manual effort.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual erasure is used, then the board can be erased, but the process is tedious and time-consuming
Solution Approach 1:
The system enables self-service erasure where the motor-driven roller automatically moves the eraser across the board surface without requiring manual user intervention. The controller automatically activates the motor and positions the eraser bracket to perform erasure operations autonomously, eliminating the tedious manual erasing process.
Solution Approach 2:
The patent replaces the manual mechanical erasing action with an automated motor-driven system. The motor transforms electrical energy to mechanical motion, driving the roller and eraser bracket to automatically perform the erasure function that previously required manual human operation.
2Manufacturing precision
If manual erasure with non-uniform motion is used, then the board can be erased, but the erasure is non-uniform and time-consuming
Solution Approach 1:
The system employs dynamic control where the motor can adjust the speed and position of the roller during erasure operations. The controller dynamically positions the eraser bracket at different locations along the board and controls the roller's rotation to ensure uniform erasure coverage across the entire surface, eliminating non-uniform manual erasing.
Solution Approach 2:
The system incorporates feedback mechanisms where the controller monitors and adjusts the eraser's position and motion based on pre-programmed paths or sensor input. This feedback control ensures consistent, uniform erasure by automatically adjusting the roller's movement to maintain optimal contact and pressure across the board surface.
3Productivity
If constant user intervention is required for manual erasure, then the board can be erased, but efficiency is reduced
Solution Approach 1:
The automated system performs erasure operations autonomously without requiring constant user intervention. The motor-driven roller and adjustable eraser bracket work together under controller guidance to complete erasure tasks independently, significantly improving efficiency while reducing the burden on the user.
Solution Approach 2:
The system integrates multiple functions including motor control, roller rotation, eraser positioning, and board movement into a single automated unit. This multi-functional design eliminates the need for separate manual operations for each function, improving overall efficiency and reducing user intervention requirements.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system enables efficient and uniform erasure of written material, reducing manual labor and time, and allows for easy reuse or presentation of previously written content by automating the erasure process.
Implementation Method 1
a motor; a first roller being positioned proximate to one side of the board; a second roller being positioned proximate to opposite side of the board, said second roller capable of being rotatably driven by the motor
Implementation Method 2
upon activation of the motor, the second roller is rotatably driven to rotate the first roller, thereby causing the flexible sheet to rotate across the board
Data Source
AI summary
A auto rolling and erasing board system comprises a board; a motor; a first roller being positioned proximate to one side of the board; a second roller being positioned proximate to opposite side of the board, said second roller capable of being rotatably driven by the motor; a flexible sheet connected to the first and second roller across the board; an adjustable eraser bracket configured to slide toward and away from the flexible sheet; and a pair of side brackets supporting the board, the motor, the first and second rollers and the adjustable eraser bracket, wherein upon activation of the motor, the second roller is rotatably driven to rotate the first roller, thereby causing the flexible sheet to rotate across the board.