Balanced Braking Apparatus for Recreational Riding Boards
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Solution Overview
Problem
Existing skateboard braking systems lack balanced braking between wheels and often disengage when wheels are driven backwards while the brake is engaged, leading to unsafe and uncontrolled braking.
Innovation Solution
A braking apparatus with slidably mounted braking members, actuating levers, and a trigger assembly that provides balanced force to both wheel mounting assemblies, featuring a resistance bush and adjustable trigger mechanism to ensure even braking, preventing wheel disengagement during backward motion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a simple braking system is used, then the device complexity is reduced, but the braking balance and control reliability deteriorate
Solution Approach 1:
The braking system is segmented into independent left and right braking members, each with its own actuating lever and spring mechanism. This segmentation allows each side to be controlled independently, ensuring balanced braking force distribution while maintaining a relatively simple overall structure.
Solution Approach 2:
Opposing actuating levers are used to provide balanced counteracting forces to the braking members. The levers are arranged to apply equal and opposite forces, ensuring that both wheels receive balanced braking force, which improves control reliability without significantly increasing complexity.
2Ease of operation
If a fixed braking force is applied, then the ease of operation is improved, but the adaptability to different braking conditions deteriorates
Solution Approach 1:
The braking system incorporates springs that provide dynamic, variable braking force based on the engagement position of the trigger assembly. As the trigger is pressed further, the spring compression increases, providing progressively stronger braking force. This dynamic characteristic allows the system to adapt to different braking conditions while maintaining ease of operation through a single trigger action.
Solution Approach 2:
The durometer of the bush material can be varied to change the force required on the trigger mechanism. This parameter adjustment allows the braking system to be tuned for different operating conditions, providing adaptability while maintaining ease of operation through consistent trigger actuation.
3Ease of operation
If the wheel mounting assembly allows backward movement, then the ease of operation is improved, but the reliability of brake engagement deteriorates
Solution Approach 1:
The locking-nut and fastener arrangement creates an asymmetric mechanical constraint that prevents backward wheel movement while allowing forward installation and removal. The fasteners passing through the central portion of the wheel and engaging with the locking-nut create a one-way mechanical lock that maintains brake engagement reliability during backward motion while preserving ease of wheel mounting and dismounting.
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 solution provides balanced and controlled braking, preventing wheel disengagement during backward motion and enhancing safety by ensuring consistent braking performance.
Implementation Method 1
the braking assembly further comprises springs for biasing the braking members toward each other
Implementation Method 2
The relative durometer of the bush is between 25 and 125... the trigger assembly comprises a resistance bush
Data Source
AI summary
Disclosed is a braking apparatus for a recreational wheeled board apparatus such as a skate board. The braking apparatus comprising braking members slidably mounted on an axle, wheel mounting assemblies, a trigger assembly and an actuating means. The braking assembly characterized in that the actuating means comprises opposed first and second actuating levers arranged to provide a balanced force to each of the braking members such that even braking of both wheel mounting assemblies is affected when the trigger assembly is engaged.