Modular Anti-Theft Bike Rack Design for Low-Cost Production
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Solution Overview
Problem
Existing bicycle anti-theft devices require significant initial investments in manufacturing tooling and incur high production costs, making them impractical for small production runs or small businesses.
Innovation Solution
A digital manufacturing-based anti-theft rack device with a structural design that eliminates the need for specific tooling, allowing for low-cost production and simple manual assembly, using Industry 4.0 methods.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional anti-theft devices are manufactured using conventional methods, then production security and durability are improved, but manufacturing cost and initial tooling investment increase significantly
Solution Approach 1:
The device is divided into modular components (support arms, retaining bar, locking mechanism) that can be manufactured separately using standard digital manufacturing processes and assembled manually, eliminating the need for expensive integrated tooling while maintaining structural integrity and security performance
Solution Approach 2:
The patent transitions from conventional manufacturing parameters (requiring custom molds and tooling) to digital manufacturing parameters (CAD/CAM files for CNC machining), changing the production methodology to eliminate initial tooling investments while maintaining precise dimensional tolerances required for security applications
2Productivity
If custom manufacturing tooling is invested in for production, then production efficiency is improved, but initial investment and break-even point worsen for small production runs
Solution Approach 1:
The design utilizes universal digital manufacturing processes (CNC machining, laser cutting) that can handle small to medium production volumes without requiring production-line-specific tooling, allowing the same manufacturing setup to produce multiple unit types and enabling flexible response to market demand
Solution Approach 2:
The device incorporates self-assembly features with standardized fasteners and modular components that can be assembled manually without specialized assembly equipment, reducing the complexity of assembly tooling requirements while maintaining consistent assembly quality
Data Source
AI summary
A device for space-optimised bicycle storage as well as protection against the most frequent conventional thefts, including those using bolt cutters. The device comprises a bike rack that is fixed to the wall, floor or ceiling, and a retaining bar with a lock that is anchored to the bike rack in order to protect the bicycles. Apart from fulfilling two functions simultaneously, the invention comprises an innovative structural design of the assembly and its elements such it allows reduced cost production, even for small production runs, using materials available on the market and processed using laser-cutting machinery configured with the design specific parameters. This eliminates specific manufacturing tooling and minimises operating costs for batch production arrangements. Moreover, this innovative structural design also enables entirely manual assembly of the components without the need for machinery.