Bicycle Dropout Recess for Flush Light and Luggage Carrier Mounting
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Solution Overview
Problem
Existing bicycle designs face challenges in securely and easily attaching light elements and luggage racks due to the presence of multiple different fastening means, which can be cumbersome and aesthetically undesirable, especially when converting between configurations with and without these components.
Innovation Solution
A bicycle frame design featuring a recess at the dropout that allows for flush integration of light elements and receiving shoes, which can be connected to luggage racks or other add-on parts, enabling easy and secure attachment with optional press fits and separate fastening means, allowing for versatile configuration without excess hardware.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple different fastening means are provided on the bicycle frame, then various components (light elements, luggage racks, etc.) can be attached, but the device complexity increases and excess hardware remains on the frame
Solution Approach 1:
The patent implements a universal mounting system where a single recess structure serves multiple functions: it can accommodate light elements directly, receive mounting shoes for luggage racks, and provide attachment points for other add-on parts. This multi-functional design eliminates the need for separate fastening mechanisms for different component types, resolving the contradiction between versatility and complexity
Solution Approach 2:
The patent merges previously separate fastening functions into a single integrated recess structure on the bicycle frame. Instead of having distinct mounting mechanisms for lights, luggage racks, and other accessories, all these attachment functions are combined into one standardized recess interface, reducing the overall number of fastening means while maintaining attachment compatibility
2Adaptability or versatility
If multiple different fastening means are provided on the bicycle frame, then various components can be attached, but the aesthetic appearance deteriorates due to visible hardware
Solution Approach 1:
The patent extracts the visible fastening hardware from the exterior of the bicycle frame by providing recesses that accommodate mounting shoes and light elements. The fastening mechanism is effectively hidden within the recess structure, allowing components to be attached while maintaining a clean, aesthetically pleasing frame appearance without exposed bolts, clips, or other hardware
3Reliability
If separate fastening means are used for light elements and luggage racks, then each component can be securely attached, but the conversion between configurations becomes difficult and time-consuming
Solution Approach 1:
The universal recess structure allows the same mounting interface to securely attach different component types (light elements, luggage racks, add-on parts) through standardized mounting shoes. This universality enables easy configuration conversion by simply removing one component and installing another using the same recess, eliminating the need to convert between different fastening systems while maintaining secure attachment for each component type
Data Source
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AI summary
The present invention relates to a bicycle comprising a bicycle frame (1) wherein at least one recess (82) is provided on the bicycle frame, and in particular on a dropout (8), which is designed such that a light element can be inserted and attached therein, and, instead of and/or in combination with the light element (80), a mounting shoe (112) can be inserted and attached, wherein the mounting shoe is connected to or attachable to a luggage carrier (110) or other attachments. The invention further relates to a light element, a mounting shoe, and a luggage carrier for such a bicycle, as well as a method for attaching a luggage carrier to a bicycle.