Tool-Free Wheelie Bar Attachment for Model Vehicles
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Solution Overview
Problem
Conventional wheelie bars require tools and separate mechanical fasteners for installation, removal, and adjustment, making them cumbersome and inconvenient.
Innovation Solution
A wheelie bar design that secures to and removes from a vehicle using existing vehicle structures without tools, featuring a mast member with adjustable support members and clips for varying height positions, allowing for easy installation, removal, and adjustment without mechanical fasteners.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional wheelie bars use separate mechanical fasteners for installation and adjustment, then the wheelie bar can be securely attached to the vehicle, but the installation and adjustment process becomes complex and requires tools
Solution Approach 1:
The wheelie bar integrates the attachment mechanism directly into its structure by coupling to existing vehicle structures (bumpers, frame members, or chassis rails) through built-in engagement features. This merging eliminates the need for separate mechanical fasteners and tools, allowing secure attachment while simplifying installation to a straightforward process.
Solution Approach 2:
The wheelie bar design incorporates universal coupling mechanisms that can engage with multiple types of existing vehicle structures (bumpers, frame members, chassis rails) without requiring vehicle-specific fasteners. This multi-functionality allows the same wheelie bar to be installed on various vehicle types while maintaining secure attachment, eliminating the need for specialized tools.
2Reliability
If conventional wheelie bars require tools for installation and removal, then the wheelie bar can be securely fastened, but the ease of operation is reduced
Solution Approach 1:
The wheelie bar incorporates self-service attachment mechanisms that allow users to install and remove the device without external tools. The coupling to existing vehicle structures is designed with manual engagement features (such as snap-fit connections, clip-in mechanisms, or threaded inserts that can be turned by hand), enabling the user to securely fasten and remove the wheelie bar through simple manual actions while maintaining reliable attachment.
3Adaptability or versatility
If conventional wheelie bars use separate mechanical fasteners for adjustment, then the wheelie bar can be positioned at different heights, but the adjustment process becomes time-consuming and complex
Solution Approach 1:
The wheelie bar incorporates dynamic adjustment mechanisms that allow the bearing element height to be easily changed during operation or quick reconfiguration. The support members include movable connections (such as telescopic sections, sliding mechanisms, or pivot points) that enable height adjustment through simple manual manipulation without requiring tools or complex procedures, while maintaining secure fastening at each positioned height.
Solution Approach 2:
The wheelie bar is divided into modular segments (mast member, support members, bearing element) that can be independently adjusted. The support members are designed with segmented or modular connections to the mast member and vehicle structure, allowing the bearing element height to be adjusted by repositioning these segments. This segmentation enables quick adjustment by simply moving or reconfiguring the modular sections without requiring complex fastening procedures.
4Reliability
If conventional wheelie bars require separate fasteners for installation, then the wheelie bar can be securely attached to the vehicle, but the device complexity increases
Solution Approach 1:
The wheelie bar integrates the attachment mechanism directly into its structure by coupling to existing vehicle structures (bumpers, frame members, or chassis rails) through built-in engagement features. This merging eliminates the need for separate mechanical fasteners and tools, allowing secure attachment while simplifying installation to a straightforward process.
Solution Approach 2:
The wheelie bar design incorporates universal coupling mechanisms that can engage with multiple types of existing vehicle structures (bumpers, frame members, chassis rails) without requiring vehicle-specific fasteners. This multi-functionality allows the same wheelie bar to be installed on various vehicle types while maintaining secure attachment, eliminating the need for specialized tools.
Data Source
AI summary
A wheelie bar assembly for a model vehicle has a mast member having one or fasteners for securing the mast member to a model vehicle, a bearing support member having a length and secured to the mast member for pivotal movement about one or more pivot points, a bearing support member having a length and secured to the mast member for pivotal movement about one or more pivot points, a bearing element secured to or formed on the bearing support member for contacting a surface underlying the vehicle and resisting a wheelie of the vehicle, an adjustment member secured to the mast member for pivotal movement relative to both the mast member and the bearing support member, and the adjustment member being securable to a plurality of different locations along the length of the bearing support member to vary the position of the bearing support member relative to the mast member and a surface underlying the vehicle.