Exercise Bike Rocking Base for Realistic Indoor Cycling Motion
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Solution Overview
Problem
Conventional bike trainers fail to adequately simulate a realistic rider feel during indoor training.
Innovation Solution
A bike trainer with a rocking base having an arc-shaped rocking surface, tilt mechanisms, and adjustable damper and glide mechanisms to provide a side-to-side motion, along with a flywheel assembly for resistance, to enhance the simulation of outdoor cycling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If a conventional stationary bike trainer is used, then the device structure is simple and stable, but it fails to simulate realistic outdoor cycling motion
Solution Approach 1:
The patent applies the Dynamics principle by transforming the stationary bike frame into a dynamic system with multiple degrees of freedom. The frame incorporates a glide mechanism allowing fore-aft movement, a tilt mechanism enabling side-to-side rocking, and a bounce mechanism providing vertical motion. These dynamic components allow the bike to simulate realistic outdoor cycling motions while maintaining structural stability through controlled mechanical movements.
2Adaptability or versatility
If motion mechanisms are added to simulate outdoor cycling, then the cycling experience is enhanced, but the device complexity increases
Solution Approach 1:
The patent applies the Segmentation principle by dividing the motion simulation system into three independent mechanisms: a glide mechanism for fore-aft movement, a tilt mechanism for side-to-side rocking, and a bounce mechanism for vertical motion. Each mechanism operates independently with its own springs, dampers, and mechanical components, allowing for modular design, easier manufacturing, and simplified maintenance while collectively providing comprehensive motion simulation.
Solution Approach 2:
The patent applies the Intermediary principle by introducing spring-damper systems as intermediary elements between the rider and the frame movements. These spring-damper assemblies act as mediators that control and regulate the motion transmission, providing smooth transitions and realistic cycling feel while reducing the direct mechanical complexity transmitted to the rider.
3Adaptability or versatility
If spring mechanisms are used for motion control, then the cycling realism is improved, but the energy consumption increases
Solution Approach 1:
The patent applies the Periodic action principle by utilizing the natural oscillatory behavior of spring-damper systems to create periodic motion in the bike frame. The springs store and release energy in rhythmic cycles, creating realistic bouncing and rocking motions that mimic outdoor cycling terrain variations. This periodic energy exchange reduces the need for continuous external energy input while maintaining motion realism.
Solution Approach 2:
The patent applies the Discarding and recovering principle through the spring-damper mechanisms that continuously store kinetic energy during compression phases and release it during extension phases. The springs recover energy that would otherwise be lost, converting it into useful motion, while the dampers selectively dissipate excess energy to control oscillations. This energy recycling approach minimizes overall energy consumption while maintaining realistic motion characteristics.
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
The design provides a more realistic cycling experience by simulating side-to-side motion and adjustable resistance, enhancing the indoor training experience.
Implementation Method 1
each tilt mechanism includes a spring that biases the pair of support legs in a downward direction
Implementation Method 2
a damper mechanism for adjustable controlling friction of the glide mechanism
Implementation Method 3
a rocking base having a bottom surface with an arc shaped rocking surface
Data Source
AI summary
A bike trainer includes a rocking base having a bottom surface with an arc shaped rocking surface. A pair of support legs are each connected to a side of the base by a tilt mechanism. A main frame extends upward from the base and supports a seat. A pedal assembly is rotatably mounted to the main frame and drivingly connected to a flywheel assembly.


