Helmet-Mounted Bicycle Mirror with Pivot Adjustment
Solution Overview
Problem
Traditional bicycle rear-view mirrors require adjustments when the cyclist changes body position, which is dangerous and distracting, compromising safety as riders must remove a hand from the handlebars or tilt their head, leading to increased accident risk.
Innovation Solution
A bicycle mirror device with first and second mounting arms attached to a helmet or glasses, featuring pivotally mounted mirrors that provide multiple rear-view angles without needing adjustments, allowing riders to maintain focus on the road ahead while maintaining awareness of rear approaching vehicles across various riding positions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a traditional bicycle mirror is used, then the rider can view rear approaching vehicles, but the rider must adjust the mirror when changing body position, which is dangerous and distracting
Solution Approach 1:
The patent applies the dynamics principle by making the mirror adjustable during operation. The mirror is mounted on a pivoting mechanism that allows the rider to change the mirror's viewing angle by moving their head, enabling the mirror to adapt to different riding positions (aerodynamic vs. upright) without requiring manual adjustment while riding
Solution Approach 2:
The mirror system allows the rider's head movement to automatically adjust the mirror's viewing angle. The mechanical connection between the helmet and mirror enables the rider's natural head positioning to serve the dual function of both viewing rear traffic and adjusting the mirror angle, eliminating the need for separate manual adjustment actions
2Ease of operation
If the rider adjusts the mirror while riding, then the mirror can be positioned correctly for the current body position, but the rider must remove a hand from the handlebars and focus on adjustment, increasing accident risk
Solution Approach 1:
The mirror system performs self-adjustment through the rider's head movements. The mechanical linkage between the helmet and mirror automatically repositions the mirror based on where the rider positions their head, eliminating the need for manual adjustment operations while riding
Solution Approach 2:
The mirror is designed with dynamic adjustment capability through a pivoting mechanism that responds to head movements. This allows the mirror to adapt its angle in real-time as the rider changes position, without requiring the rider to stop or divert attention from the road
3Loss of information
If the rider tilts their head to view the mirror, then they can see rear approaching vehicles, but their balance and steering are negatively affected
Solution Approach 1:
The mirror serves as an intermediary that brings the rear view to the rider without requiring the rider to turn or tilt their head. By positioning the mirror in the rider's peripheral or forward view, the system mediates between the need for rear awareness and the need for forward focus and balance
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
Enables cyclists to view rear traffic without adjusting the mirrors, enhancing safety by keeping hands on the handlebars and eyes forward, reducing the risk of accidents and potential damage to helmets during attachment or removal.
Implementation Method 1
a bicycle rear view mirror with first and second mirrors pivotally mounted to corresponding first and second mounting arms
Data Source
AI summary
A bicycle mirror device is provided for rear viewing of traffic when a bicycle rider is in different riding positions. The bicycle mirror device includes a mounting bracket, attached to a bicycle helmet or eye glasses, and mirrors pivotally mounted to the mounting arms. The mounting arms may be attached to the helmet or eye glasses through an extension arm connected to the helmet or eye glasses through a quick-connect system. A method for using the bicycle mirror device includes mounting the mirror device on a helmet or eye glasses, rotating a first mirror to view a first rear-view angle for a cyclist in a low riding position, rotating a second mirror to view a second rear-view angle for the cyclist in an upright riding position, and viewing a plurality of rear view angles without readjusting the first or second mirror.