Recumbent Bicycle Frame Segmentation for Structural Rigidity
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Solution Overview
Problem
Existing stationary exercise bicycles face issues of unreliability, inadequate structural sturdiness, limited foot and pedal movement, and ineffective heart rate monitoring, particularly in recumbent designs.
Innovation Solution
A sturdy, mechanically basic recumbent bicycle with adjustable components for user fit, a meter for tracking exercise metrics, and compatibility with standalone heart rate monitors to ensure reliable and comprehensive user data, featuring a horizontal backbone structure, fork assembly, and adjustable resistance mechanism.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If recumbent bicycle design is used to involve more musculature, then exercise effectiveness is improved, but structural sturdiness becomes inadequate
Solution Approach 1:
The bicycle frame is divided into multiple backbone sections (first backbone section, second backbone section) connected by a box frame, with the resistance mechanism separated into a distinct fork assembly. This segmentation allows each component to be optimized for its specific function while maintaining overall structural integrity.
Solution Approach 2:
The patent employs a composite structural design combining rigid backbone sections with a centralized box frame connection. This composite approach creates a sturdy yet adaptable framework that supports the recumbent design's exercise effectiveness while maintaining structural strength.
2Measurement precision
If complex electronic systems are added for monitoring, then measurement capability is improved, but reliability deteriorates
Solution Approach 1:
The meter is designed to display multiple exercise metrics (time, speed, distance, calories) through a single integrated unit. This multi-functional approach provides comprehensive monitoring capability while avoiding the reliability issues associated with multiple separate electronic systems.
Solution Approach 2:
The system allows compatibility with standalone heart rate monitors that users can attach independently. This self-service approach lets users choose their preferred monitoring method without requiring the bicycle's integrated system to be perfectly reliable.
3Area of stationary object
If foot placement space is restricted, then device compactness is improved, but ease of operation deteriorates
Solution Approach 1:
The recumbent design positions the pedals and footrest area in a three-dimensional space that naturally provides adequate foot movement room without increasing the bicycle's footprint. The horizontal backbone configuration creates vertical and lateral space for free foot placement and rotation.
4Adaptability or versatility
If adjustable components are added for user fit, then adaptability is improved, but device complexity increases
Solution Approach 1:
The body rest and headrest are pre-configured with adjustable mechanisms that allow users to quickly modify the setup for different body types. These adjustments are built into the basic structure, requiring minimal additional components while providing significant adaptability.
Data Source
AI summary
The stationary recumbent bicycle device is foremost mechanically basic. Design was principally concerned with basic, sturdy construction to avoid any functional or structural failures. The horizontal backbones provide rigidity, especially being coupled to the centrally disposed box frame. The rigidity continues with the backbone riser and backbone angle, and on through the sturdy fork assembly. Importantly, the body rest and the headrest assembly are easily and quickly adjusted to user fit. By being recumbent, the device involves more musculature than does an upright bicycle.