Scooter Steering Mechanism with Spring Restoring Force
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Solution Overview
Problem
Existing scooters lack an effective steering mechanism that assists in rotating the scooter deck with respect to the front axle to facilitate turning while preventing overturning.
Innovation Solution
A steering mechanism comprising a steering post, a longitudinally extending spring member, a steering housing, and stops that allow the deck to rotate with respect to the front axle, ensuring the scooter turns smoothly and maintains stability by returning to a central position.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a steering mechanism is added to assist in rotating the scooter deck with respect to the front axle, then turning smoothness and maneuverability are improved, but device complexity increases
Solution Approach 1:
The steering mechanism is divided into distinct functional components: a spring member for providing restoring force, a steering post for rotational movement, and limiters for controlling rotation range. This segmentation allows each component to perform its specific function independently, achieving smooth turning assistance without requiring a complex integrated system.
Solution Approach 2:
The steering mechanism employs a spring member that dynamically adjusts to turning forces applied by the rider. The spring provides a restoring force that assists turning initiation and enables smooth return to center position, creating a dynamic response that improves maneuverability without fixed mechanical complexity.
2Stability of the object's composition
If stops are added to prevent overturning of the steering mechanism, then stability is improved, but device complexity increases
Solution Approach 1:
Limiters are pre-positioned on the steering post to define the maximum rotation range before overturning can occur. This preliminary structural arrangement ensures that the steering mechanism cannot rotate beyond safe limits, providing inherent stability protection without requiring active control systems or complex sensing mechanisms.
3Ease of operation
If a spring member is used to return the front axle to center position, then turning assistance is improved, but manufacturing precision requirements increase
Solution Approach 1:
The spring member is designed as a separate, self-contained component with defined mounting points on the steering post. This segmentation allows for standardized manufacturing and simplified installation procedures, reducing the need for high-precision custom fitting while maintaining effective turning assistance functionality.
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 smooth turning and prevents overturning by allowing the front wheel assembly to tilt with respect to the deck, enhancing the scooter's maneuverability and stability.
Implementation Method 1
a longitudinally extending spring member provided around the steering post, the spring member having a first end and a second end
Implementation Method 2
the spring member having a plurality of transverse planar surfaces
Data Source
AI summary
A scooter is provided having a deck, a handlebar connected to the deck, a front wheel assembly, a rear wheel assembly and a steering mechanism. The steering mechanism has a steering post and a longitudinally extending spring member that has a plurality of transverse planar surfaces. A first spring member cavity is provided adjacent the front wheel assembly to receive the first end of the spring member, and a second spring member cavity is provided adjacent the deck to receive the second end of the spring member. A bushing is positioned between the deck and the front wheel assembly to allow the deck to rotate with respect to the front wheel assembly.