Elastic Marking Device for Personal Mobility Vehicles
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Solution Overview
Problem
Conventional personal mobility vehicles, such as scooters, lack an efficient and convenient mechanism to generate markings on a riding surface without compromising control or requiring manual adjustment, as existing solutions often require removing the marking device or using complex mechanisms.
Innovation Solution
A marking device integrated with personal mobility vehicles, featuring an elastic marking assembly and actuation mechanism that allows users to easily switch between marking and non-marking positions using a foot-actuated system, ensuring continuous contact with the riding surface and easy activation without releasing hands.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a marking device is integrated into the personal mobility vehicle, then marking capability is improved, but device complexity increases
Solution Approach 1:
The marking device is merged with the personal mobility vehicle by integrating the marking assembly into the vehicle body structure. The support member is attached to the vehicle frame, and the marking assembly is positioned to contact the riding surface when the vehicle is in use, combining marking functionality with the vehicle's existing structure rather than adding a separate independent device
Solution Approach 2:
The marking device is designed to be universally applicable to different personal mobility vehicles. The support member can be attached to various vehicle types (scooters, skateboards, etc.), and the marking assembly can accommodate different marking materials (chalk, crayons, markers), making the device multi-functional and adaptable to different vehicles and marking needs
2Productivity
If the marking assembly is always in contact with the riding surface, then marking is always possible, but ease of operation deteriorates
Solution Approach 1:
The marking assembly is designed to be dynamically positionable rather than fixed. The biasing member continuously urges the marking assembly toward contact with the riding surface, but the assembly can be moved away from contact when needed. This dynamic design allows the marking capability to be available whenever desired while maintaining ease of operation through simple foot-actuated movement
Solution Approach 2:
The biasing member automatically maintains the marking assembly in contact with the riding surface without requiring continuous user intervention. Once the user positions the marking assembly near the riding surface, the biasing member's urging force takes over to ensure consistent contact, allowing the system to serve itself and eliminating the need for constant manual adjustment
3Manufacturing precision
If the marking device requires manual adjustment, then marking position can be controlled, but ease of operation worsens
Solution Approach 1:
The actuator portion serves as an intermediary between the user and the marking assembly. Instead of requiring direct manual manipulation of the marking assembly itself, the user interacts with the actuator portion (accessible to the foot), which then actuates the marking assembly into or out of contact with the riding surface through the locking mechanism and biasing member system
Solution Approach 2:
The manual adjustment mechanism is replaced with a foot-actuated system that uses the vehicle's motion and the user's foot pressure to control the marking assembly's position. The locking mechanism engages and disengages based on foot actuation, substituting complex manual positioning with a simpler foot-based control system that maintains precision while improving ease of operation
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
Enables users to generate markings conveniently while maintaining control of the vehicle, with the marking device being easily activated and deactivated by foot, ensuring consistent marking performance on various surfaces.
Implementation Method 1
The elastic member is configured to bend in order to assist in maintaining contact between the marking material and the riding surface
Implementation Method 2
The marking mechanism includes a marking material configured to generate markings when in frictional contact with a riding surface
Data Source
AI summary
A marking device that is supported by a personal mobility vehicle, such as a scooter, is movable from a first position, in which the marking device does not contact the riding surface, and a second position, in which the marking device contacts the riding surface. The marking device includes an attachment portion and a marking portion that creates markings on the riding surface as a result of frictional contact with the riding surface. The marking device can also include an actuation portion which is accessible to the user and allows the user to move the marking device to the second position. In one arrangement, the marking device includes an elastic marking member which is configured to bend in order to maintain contact with the riding surface.