Adjustable Obstruction Frame for Martial Arts Training Bag
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Solution Overview
Problem
Martial arts practitioners lack a training device that provides immediate feedback on proper form and technique, as conventional training bags do not offer an obstruction to help develop powerful strikes and kicks with correct extension and balance.
Innovation Solution
A martial arts training device with an inner and outer frame configuration that can be mounted on various training bags, featuring touch sensors and audible feedback to guide practitioners in achieving proper striking technique, and adjustable for different heights and bag sizes, promoting full range of motion and efficient movement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If a conventional training bag is used, then the practitioner can practice strikes and kicks, but the bag offers no immediate response or indicator to acknowledge the correct form of a strike or kick
Solution Approach 1:
The patent applies feedback by incorporating sensors that detect proper form and provide immediate visual or audible confirmation when a practitioner executes a strike or kick with correct technique. This resolves the information loss by giving real-time feedback on form correctness without requiring complex instructional systems.
Solution Approach 2:
The patent uses an intermediary obstruction frame structure positioned between the practitioner and the training bag. This frame serves as a mediator that physically guides proper technique execution while sensors embedded in the frame detect form correctness and transmit feedback signals, bridging the gap between physical action and information delivery.
2Measurement precision
If electronic protective equipment with sensors is used, then proper contact can be registered, but the equipment is complex and requires sensor-to-sensor contact for scoring
Solution Approach 1:
The obstruction frame acts as an intermediary structure that simplifies measurement by providing a fixed geometric reference. Sensors embedded in this frame detect contact and form with simpler geometry compared to full electronic protective equipment, reducing system complexity while maintaining measurement precision for technique validation.
Solution Approach 2:
The patent changes the measurement parameter from complex sensor-to-sensor contact detection to form detection relative to a fixed geometric frame. This parameter change simplifies the measurement system by using the frame's known geometry as a reference, reducing the complexity of sensor arrangements and signal processing while maintaining accuracy.
3Reliability
If a fixed training device is used, then proper form can be enforced, but the device cannot be easily adjusted for different heights or bag sizes
Solution Approach 1:
The patent applies dynamics by making the obstruction frame adjustable in height and position rather than fixed. The frame can be moved and repositioned to accommodate different training bag sizes and practitioner heights, maintaining form enforcement reliability through consistent geometric relationships while adapting to various configurations.
Solution Approach 2:
The patent achieves universality by designing the frame structure to be compatible with multiple training bag types and sizes. The adjustable mounting system allows the same device to serve multiple functions across different training scenarios, maintaining form enforcement consistency while adapting to diverse equipment and user requirements.
Data Source
AI summary
A martial arts training device that includes an inner frame shaped to encircle an outer surface of a training bag, an outer frame shaped to encircle the inner frame, a plurality of support shafts, and a locking mechanism. Both the inner and outer frame have a plurality of corresponding tee fittings. The support shafts connect the corresponding tee fittings and a locking mechanism is configured to adjust the width of the inner frame to fit the outer surface of the punch bag.