Bicycle Handguard Deflecting Obstacles via Adjustable Collar

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Solution Overview

Problem

Bicycle handlebars are susceptible to impact injuries and damage due to their protruding nature, making riders' hands and bike components vulnerable to collisions with objects like trees, rocks, and pedestrians, especially in off-road and transportation scenarios.

Innovation Solution

A handguard system for bicycle handlebars, comprising a handguard article with adjustable collar and mounting device, designed to securely fit over the handlebar, forming an arch shape to deflect obstacles and absorb impact, constructed from resilient materials like plastic and rubber to protect hands and bike components.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If the handlebar extends outwardly to provide steering control, then the rider's hands can effectively control the bicycle, but the hands and handlebar components become more susceptible to impact injuries from objects

Engineering Contradiction:
Improvesteering controlVSAvoidimpact injury risk
Core Design Contradiction:
Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The handguard article serves as an intermediary protective element positioned between the handlebar grip and potential impact objects. It deflects obstacles away from the rider's hands and handlebar components while allowing the handlebar to maintain its protruding configuration for effective steering control.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The handguard article is installed beforehand on the handlebar to provide preventive protection. It absorbs and distributes impact forces before they can reach the rider's hands or damage critical components like brake handles, enabling safe operation in hazardous environments.

Inventive Principle:
Principle #11Beforehand cushioning (Prior cushioning)

2Object-affected harmful factors

If a protective device is added to the handlebar, then hand and component protection is improved, but the device complexity increases

Engineering Contradiction:
Improvehand injury protectionVSAvoidhandlebar system complexity
Core Design Contradiction:
Object-affected harmful factorsVSDevice complexity

Solution Approach 1:

The protective system is segmented into modular components: the handguard article, the collar assembly, and the mounting device. This segmentation allows for easier installation, adjustment, and replacement while maintaining effective protection without excessive overall complexity.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The handguard article serves multiple functions simultaneously: it deflects impact objects, distributes impact forces, protects the rider's hands, and safeguards handlebar components. This multi-functionality reduces the need for additional separate protective devices, thereby limiting the increase in system complexity.

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Strength

If the handguard material is made rigid to protect against impact, then protection effectiveness is improved, but the handguard becomes less able to absorb impact through controlled deformation

Engineering Contradiction:
Improveimpact resistanceVSAvoidcontrolled deformation capability
Core Design Contradiction:
StrengthVSStability of the object's composition

Solution Approach 1:

The handguard article is constructed from materials with specific mechanical parameters that balance rigidity and flexibility. These materials have sufficient strength to deflect sharp objects and distribute impact forces, while also possessing enough elasticity to undergo controlled deformation and absorb impact energy without catastrophic failure.

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The handguard may utilize composite materials that combine rigid and flexible properties within a single structure. This allows different regions of the handguard to exhibit different mechanical behaviors - rigid enough to protect against penetration and distribute forces, yet flexible enough to deform controllably and absorb impact energy.

Inventive Principle:
Principle #40Composite materials

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

Effectively reduces the risk of hand and handlebar injuries by deflecting obstacles and distributing impact forces, providing protection without being excessively rigid, allowing controlled deformation to absorb impacts safely.

Implementation Method 1

the handguard center portion is configured to cover a portion of the handlebar... deflecting obstacles and distributing impact forces

Methodology Applied
Scientific EffectImpact Force: Impact Force

Implementation Method 2

allowing controlled deformation to absorb impacts safely

Methodology Applied
Scientific EffectDeformation: Deformation

Data Source

PatentUS11548585B2Handguard for a bicycle handle
Publication Date: 2023.01.10 GEO HANDGUARDS LLC
  • US11548585B2 patent drawing
  • US11548585B2 patent drawing
  • US11548585B2 patent drawing

AI summary

A handguard system for a handlebar of a bicycle is provided and includes a handguard article having a handguard first end communicated with a handguard second end via a handguard center portion, wherein the handguard second end is configured to associate with the handlebar. The handguard system also includes a handguard collar, wherein the handguard collar includes a handguard collar structure which defines a collar cavity configured to contain the handlebar and having a collar cavity diameter CCD which is configurable between a first collar cavity diameter CCD1 and a second collar cavity diameter CCD2. and Additionally, the handguard system further includes a handguard mounting device, wherein the handguard mounting device is configured to securingly associate with the handguard first end and the handlebar, wherein when the handguard article is securingly associated with the handlebar, the handguard center portion is configured to cover a portion of the handlebar.