Two-Axle Exercise Assembly Pitch Angle Stability
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing exercise assemblies lack stability and consistency in pitch angle during use, leading to unpredictable performance and user experience due to inadequate support configurations.
Innovation Solution
The exercise assembly features a two-axle, four-wheel design with axles and wheels positioned to maintain a constant pitch angle, providing stable support and preventing rotation about a single axis, along with optional wheel rotation resistance devices for adjustable resistance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single-axle design is used, then the device complexity is reduced, but the stability and consistency of pitch angle deteriorate
Solution Approach 1:
The single-axle design is segmented into two separate axles, each independently supporting wheels. This segmentation prevents rotation about a single axis and maintains constant pitch angle between the upper and lower surfaces, thereby improving stability without excessive complexity
Solution Approach 2:
The design transitions from one-dimensional (single-axle) to two-dimensional (dual-axle) support configuration. This dimensional change provides stability in multiple directions while maintaining the pitch angle relationship between surfaces
2Ease of operation
If wheels are allowed to rotate freely, then the ease of operation is improved, but the resistance control and performance consistency deteriorate
Solution Approach 1:
The wheel rotation resistance is made adjustable by changing physical parameters such as brake pad pressure or magnetic field strength. This allows the resistance level to be modified while maintaining consistent and controllable performance throughout the exercise routine
3Manufacturing precision
If the upper surface is kept flat and fixed, then the manufacturing precision is improved, but the adaptability to different exercise positions deteriorates
Solution Approach 1:
The assembly allows dynamic adjustment of the pitch angle between the upper and lower surfaces while maintaining the flatness of each individual surface. This enables adaptation to different exercise positions and user preferences without compromising manufacturing precision or surface stability
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
This configuration ensures a stable upper surface at a fixed angle, enhancing user safety and performance by maintaining consistent resistance and support during various exercises, and allowing for adjustable resistance levels.
Implementation Method 1
the wheel rotation resistance device includes a brake pad positioned to engage the tread of the wheel when the brake is activated, thereby resisting rotation of the wheel
Data Source
AI summary
An assembly is disclosed. The assembly is movably-disposed upon an underlying support surface. The assembly includes a body having an upper surface and a lower surface. The body defines a pair of front axle-receiving openings and a pair of rear axle-receiving openings. A front axle member extends through the pair of front axle-receiving openings. A rear axle member extends through the pair of rear axle-receiving openings. A first front wheel is connected to a first end of the front axle member. A second front wheel is connected to a second end of the front axle member. A first rear wheel is connected to a first end of the rear axle member. A second rear wheel is connected to a second end of the rear axle member. The upper surface of the body is pitched at an angle with respect to the underlying support surface. An exercise system is also disclosed. A method is also disclosed.