Rotatable Spark Assembly for Scooter Control
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Solution Overview
Problem
Conventional spark generating devices for recreational activities, such as skateboards and roller blades, require users to lift the front wheels off the ground to generate sparks, making them unsuitable for scooters where maintaining contact with the ground is essential for control.
Innovation Solution
A scooter design with a rotatable spark assembly that can be activated by the user's foot without releasing their hands from the handlebars, allowing sparks to be generated while keeping all wheels in contact with the surface, featuring a spark assembly with a foot actuation portion and spark elements that contact the riding surface upon activation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a fixed spark generating material is attached to the scooter, then sparks can be generated, but the user must lift the front wheel off the ground to activate it, compromising control
Solution Approach 1:
The spark generating material is mounted on a rotatable arm that can dynamically change its position relative to the ground. The arm rotates between a raised position (when not in use) and a lowered position (when spark generation is desired), allowing the user to activate sparks without lifting the scooter's front wheel, thus maintaining control while enabling spark generation
Solution Approach 2:
The spark generating system is segmented into a separate rotatable arm assembly that can be independently positioned. This segmentation allows the spark material to be activated without moving the entire scooter body or front wheel, resolving the contradiction between spark generation and control
2Ease of manufacture
If the spark assembly is located far from the user's foot, then it can be positioned optimally for spark generation, but the user must move their foot a large distance to activate it
Solution Approach 1:
A footrest platform is introduced as an intermediary structure that extends toward the rear of the scooter. The foot actuator is mounted on this extended platform, allowing the user's foot to easily reach and activate the spark assembly without requiring large foot movements, while the spark assembly itself remains optimally positioned for spark generation
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 produce sparks while maintaining control of the scooter, with the spark assembly being conveniently accessible and easily replaceable, enhancing the recreational experience of scooter riding.
Implementation Method 1
a spark portion with spark elements configured to emit sparks when in frictional contact with a riding surface
Data Source
AI summary
A scooter having a spark generating device that is movable from a first position, in which the spark generating device does not contact the surface on which the scooter is being operated, and a second position, in which the spark generating device contacts the surface on which the scooter is being operated. The scooter includes a scooter body which rotatably supports the spark assembly. The spark assembly includes a spark portion which creates sparks when in frictional contact with a riding surface. The spark assembly also includes a foot actuation portion which is accessible to the user and allows the user to activate the spark assembly while riding. In one arrangement, the spark portion includes a removable cartridge with spark elements that emit sparks when in frictional contact with a riding surface.