Tool-less Steering Wheel Assembly with Chuck Retention
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Solution Overview
Problem
Conventional assembly of ride-on vehicles, such as motorized and non-motorized vehicles, requires tools for coupling the steering wheel to the steering rod, which can be costly and frustrating for consumers, leading to potential improper assembly and product returns.
Innovation Solution
A tool-less steering wheel assembly design that uses a chuck with spring clips or a pushbutton assembly to securely attach the steering wheel to the steering rod, eliminating the need for tools during assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional tool-based assembly is used to couple the steering wheel to the steering rod, then the connection is secure and reliable, but the assembly process becomes costly and frustrating for consumers
Solution Approach 1:
The steering wheel assembly uses a self-retaining mechanism where the steering rod automatically engages with the steering wheel hub through a tapered interface and retaining clips, eliminating the need for external tools. The assembly serves itself by incorporating built-in retention features that secure the connection without requiring consumer intervention with wrenches or screwdrivers.
Solution Approach 2:
The patent replaces the traditional mechanical fastening system (bolts, nuts, screws requiring tools) with a friction-fit and clip-based retention system. The tapered interface creates friction-based holding, while spring clips provide positive retention, substituting the need for tool-operated mechanical fasteners with a tool-less engagement mechanism.
2Manufacturing precision
If tool-based assembly is required, then proper assembly can be ensured, but the complexity and time required for assembly increases
Solution Approach 1:
The steering rod and steering wheel hub are pre-configured with matching tapered interfaces and retention features during manufacturing. The clips are pre-positioned and the friction surfaces are pre-formed, so that when the consumer inserts the steering rod into the hub, the components are already prepared for immediate engagement without requiring measurement, alignment, or tool-based fastening operations.
Solution Approach 2:
The assembly system is segmented into distinct functional elements: the tapered interface segment provides friction-based positioning, the retaining clips segment provides positive mechanical retention, and the steering rod segment provides structural support. This segmentation allows each element to perform its function independently without requiring complex tool-based coordination.
3Ease of operation
If a simple tool-less design is used, then assembly becomes easy and cost-effective, but the connection strength may be compromised
Solution Approach 1:
The retention system combines multiple retention mechanisms working together: friction from the tapered interface, mechanical engagement from spring clips, and structural support from the steering rod design. This composite approach to retention—combining friction-based and mechanical-based holding—achieves connection strength comparable to tool-based fastening while maintaining tool-less assembly simplicity.
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
Facilitates easy and cost-effective assembly of ride-on vehicles by allowing consumers to assemble the steering wheel without tools, reducing frustration and product returns, while ensuring a secure and reliable connection.
Implementation Method 1
The coil spring and pushbutton may be disposed in the recess of the chuck with the coil spring being configured to bias the pushbutton outwardly from the recess
Implementation Method 2
the chuck may include at least one spring clip assembly configured to engage the at least one aperture of the sleeve for achieving the tool-less assembly of the steering wheel to the chuck
Data Source
AI summary
A steering wheel assembly for use with a ride-on vehicle which has a frame with at least two wheels. The steering wheel assembly comprises a steering rod operatively coupled to the frame of the ride-on vehicle. The steering rod includes a chuck secured to the steering rod. The chuck includes a body extending between a base and an upper end. The steering wheel assembly further comprises a steering wheel with a sleeve adapted to be coupled to the chuck in a tool-less manner such that the steering wheel is configured to be engaged by a rider for moving the steering wheel and thereby steering the ride-on vehicle.