Tool-less Bicycle Accessory Snap-Fit Connectors
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Solution Overview
Problem
Conventional bicycle assembly requires multiple tools and skilled personnel, leading to frustration for consumers and increased product returns due to improper assembly.
Innovation Solution
A bicycle with tool-less connectors, such as spring clips and flexible tongues, that allow for easy attachment of accessories like fenders and baskets without the need for tools, using snap-fit mechanisms to secure these components to the bicycle.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional assembly methods are used, then assembly strength and reliability are improved, but assembly complexity and tool requirements increase
Solution Approach 1:
The patent extracts the tool-dependent assembly steps from the conventional process and replaces them with tool-less snap-fit connectors. The spring-loaded clips and corresponding receptacles are pre-assembled on the bicycle frame, allowing accessories like fenders and baskets to be attached by simple insertion and snapping actions without requiring wrenches, screwdrivers, or other tools.
Solution Approach 2:
The spring-loaded connectors perform self-service by automatically engaging and locking the accessory components to the bicycle frame through elastic deformation. The spring force provides both the insertion assistance and the locking mechanism, eliminating the need for external tools or complex assembly procedures while maintaining secure attachment.
2Manufacturing precision
If skilled personnel are used for assembly, then assembly precision is improved, but assembly cost and accessibility worsen
Solution Approach 1:
The patent segments the assembly system into pre-manufactured connector components (spring-loaded clips on the bicycle frame and corresponding receptacles on accessories) that can be independently produced and then simply joined together. This segmentation allows each component to be optimized separately while enabling any consumer to assemble the complete system without specialized skills.
Solution Approach 2:
The patent changes the physical parameters of the connection mechanism from threaded or bolted joints requiring precise alignment and torque control to spring-loaded snap-fit connectors that tolerate misalignment and require minimal force. The elastic properties of the spring connectors provide parameter flexibility that eliminates the need for skilled assembly while maintaining precise and secure attachment.
3Adaptability or versatility
If multiple tools are provided, then assembly capability is improved, but packaging volume and cost increase
Solution Approach 1:
The spring-loaded connector system serves multiple functions: it provides the attachment mechanism, the locking mechanism, and the alignment guidance all in a single integrated component. This universal design eliminates the need for multiple separate tools (wrenches, screwdrivers, Allen keys) that would otherwise be required for different types of fasteners, thereby reducing packaging volume while maintaining versatile assembly capability.
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
Simplifies the assembly process, reduces errors, and enhances consumer satisfaction by enabling tool-free attachment of bicycle accessories, thereby decreasing product returns and improving the overall assembly experience.
Implementation Method 1
The spring clip includes a flexible tongue and the hood includes an interior cavity... the flexible tongue of the spring clip is received through the second opening of the hood to secure the fender to the bicycle
Implementation Method 2
the at least one flexible arm is generally parallel to the fender and flexes in a direction generally perpendicular to the fender
Data Source
AI summary
A bicycle including a main frame, a steering assembly coupled to the main frame, a front wheel coupled to the steering assembly and a bicycle accessory assembly coupled to the bicycle, such as the steering assembly. The bicycle accessory assembly includes a bicycle accessory and a first tool-less connector for connecting the bicycle accessory to the bicycle in a tool-less manner. The second tool-less connector may be used to secure the bicycle accessory to the bicycle. A method of connecting a bicycle accessory assembly to a bicycle is also disclosed.