Bicycle Tool With Curved Mounting Hook For Tire Inserts
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing tire levers are insufficient for easy assembly and disassembly of bicycle tires with tire inserts, requiring significant effort and often being difficult for non-experienced users to handle.
Innovation Solution
A bicycle tool with a mounting hook featuring a snout and a straight hook piece, a dismantling hook with a hump and groove, and a third hook for rim flange engagement, allowing for guided movement around the rim for efficient tire bead displacement and removal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a tire insert is installed in tubeless tires for puncture protection, then puncture resistance is improved, but tire assembly and disassembly becomes significantly more difficult
Solution Approach 1:
The tool is divided into functionally distinct segments: a mounting hook with snout for tire assembly, a dismantling hook with groove for tire removal, and a third hook for rim engagement. Each segment addresses specific challenges posed by tire inserts, allowing the tool to handle both assembly and disassembly operations effectively despite the added complexity from puncture protection layers.
Solution Approach 2:
The tool acts as an intermediary device between the user and the tire- insert-rim system. The mounting hook's snout and the dismantling hook's groove serve as intermediate elements that interface with the tire bead and insert, enabling force transmission and mechanical advantage to overcome the resistance created by the insert during assembly and disassembly.
2Ease of operation
If traditional tire levers are used for tire assembly and disassembly, then the task can be performed, but considerable effort and time are required
Solution Approach 1:
The tool merges multiple functions into a single integrated device: the mounting hook for assembly, the dismantling hook for removal, and the third hook for rim stabilization. This combination eliminates the need for multiple separate tools or repeated manual operations, significantly reducing the time and effort required for complete tire replacement while maintaining effectiveness against tire inserts.
Solution Approach 2:
The tool incorporates dynamic elements including flexible hook designs that can adapt to different rim and tire configurations, and movable components that allow the user to apply force in multiple directions. The dismantling hook's groove and hump configuration enables dynamic interaction with the tire bead during removal, facilitating efficient progression around the rim.
3Device complexity
If tire assembly and disassembly is performed by hand without specialized tools, then no additional equipment is needed, but the process is tiring and can lead to injuries
Solution Approach 1:
The tool is designed to be self-sufficient, requiring no additional equipment or complex setup. The integrated mounting and dismantling hooks, along with the third hook for rim engagement, provide all necessary functions in one device. The ergonomic handle with finger opening allows direct hand operation, making the tool self-service ready while protecting users from the physical strain and injury risks associated with manual tire manipulation.
4Strength
If the tire bead is pressed firmly into the rim flange for secure connection, then tire stability is improved, but disassembly requires pushing the tire insert away and detaching the bead with great effort
Solution Approach 1:
The tool employs asymmetric hook designs optimized for opposite operations: the mounting hook features a snout that facilitates tire bead displacement during assembly, while the dismantling hook incorporates a groove and hump configuration specifically shaped to engage and lever the tire bead away from the rim flange. This asymmetry allows each hook to excel at its specific function, reducing the force needed for disassembly while maintaining strong connection during operation.
Solution Approach 2:
The hooks feature curved and rounded geometries that conform to the cylindrical shape of the rim and tire bead. The mounting hook's snout and the dismantling hook's groove are shaped to guide and follow the curvature of the tire bead as it moves along the rim flange. This curved geometry distributes force more effectively and enables smoother operation during both assembly and disassembly, reducing peak forces required.
Data Source
Figure 1
Figure 2
Figure 3
AI summary
Bicycle tool (20) for mounting and dismounting a bicycle tire (2) onto a rim (16), comprising a body (24) with a first (26) and a second side (28) between which an opening (30) for receiving the fingers of a user is formed, further comprising a first dismounting hook for dismounting the tire (2) and a second mounting hook for mounting the tire, wherein the mounting hook (40) has a curved prong (76).