Adjustable Double End Bag with Flat Planar Surfaces
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Solution Overview
Problem
Conventional double end bags with spherical shapes hinder effective punching and kicking techniques, especially for less skilled boxers, as they tend to sway or spin when hit off-center, making it difficult to perfect various styles of punches or kicks.
Innovation Solution
A vertically adjustable double end bag system with a tether and adjuster mechanism, allowing for different bag positions and shapes, combined with a sensor connected to a processing device for interactive training and feedback, enabling varied surfaces and interactive workouts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a spherical double end bag is used, then the bag can be easily suspended and reflected when punched, but the rounded surface hampers punching efforts and causes the bag to sway or spin when hit off-center
Solution Approach 1:
The patent applies the reverse of this principle by replacing the spherical curvature with flat planar surfaces. The bag is configured with multiple flat panels (e.g., square, rectangular, or triangular surfaces) instead of a rounded surface. This flat surface configuration prevents the bag from swaying or spinning when punched, as the force is distributed across a stable geometric structure rather than concentrating at a single point on a curved surface.
Solution Approach 2:
The patent employs asymmetric geometric shapes for the bag surfaces, such as square, rectangular, or triangular configurations. These asymmetric flat surfaces provide stable punching targets that do not rotate or sway when struck, unlike symmetric spherical shapes. The asymmetric geometry creates inherent stability by distributing impact forces across multiple fixed points rather than allowing rotational movement.
2Adaptability or versatility
If the upper and lower cords are fixed to the bag at specific poles, then the bag can be vertically suspended, but the fixed position limits adjustment for different skill levels and punch styles
Solution Approach 1:
The patent applies this principle by making the suspension system dynamic and adjustable rather than fixed. The cords are equipped with adjusters (such as sliding mechanisms, buckles, or tensioning devices) that allow the vertical position of the bag to be changed. This enables the same bag to accommodate different skill levels by adjusting height and tension, providing versatility without requiring multiple different bags.
3Adaptability or versatility
If a conventional spherical bag is used, then the structure is simple, but it cannot provide varied surfaces for different types of punches or kicks
Solution Approach 1:
The patent applies this principle by dividing the bag surface into multiple distinct flat panels or zones (e.g., square, rectangular, triangular surfaces). Each panel can serve as a separate punching target for different techniques. This segmentation allows practitioners to work on various punch styles and angles using different facial surfaces of the same bag structure.
Solution Approach 2:
The patent implements this principle by providing different local surface qualities on the bag - flat planar surfaces with specific geometries (square, rectangular, triangular) in different locations. Each local surface area is designed with specific characteristics suitable for different punching techniques, allowing localized training for various punch types rather than a uniform spherical surface.
Data Source
AI summary
A vertically adjustable double end bag system includes a double end bag connected to a tether. The tether may be a continuous cord o two connected cords, and may be flexible or substantially fixed length. The double end bag includes an adjuster mechanism for selectively positioning the bag. A support, such as may be connected to a door or other upright fixture or as may be free-standing via a base, connects to and suspends the tether.