Adjustable Medicine Ball with Removable Weight Attachments
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Solution Overview
Problem
Current medicine balls lack adjustable weight capacity, requiring multiple balls of different weights for varied exercises, which occupies space and increases workout time, and existing adjustable equipment like kettle bells and dumbbells alter shape and size, limiting exercise options and user comfort.
Innovation Solution
A medicine ball with a central member and removable convex attachments, secured by fasteners like zippers, allowing weight adjustment without altering shape, and attachment ports for exercise accessories, enabling versatile workouts without changing the center of gravity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple medicine balls of various weights are kept for different exercises, then weight variety for exercises is improved, but space occupation and time to switch between balls increase
Solution Approach 1:
The medicine ball is divided into a central member and removable convex attachments. The convex attachments can be added or removed to adjust the weight of the medicine ball, eliminating the need to switch between multiple balls. This segmentation allows weight variety while maintaining a single ball structure.
Solution Approach 2:
The medicine ball incorporates adjustable weight through removable convex attachments secured by fasteners like zippers. This dynamic design allows the weight to be changed during storage without changing the ball's shape or size, providing weight variety on demand rather than requiring multiple static balls.
2Adaptability or versatility
If adjustable weight equipment like kettle bells and dumbbells is used, then weight adjustment capability is improved, but shape and size of the equipment change which limits exercise options and user comfort
Solution Approach 1:
The medicine ball is segmented into a central member and removable convex attachments. The convex attachments are designed to mate with concave sides of the central member, forming a complete sphere when attached. This segmentation allows weight adjustment while preserving the spherical shape.
Solution Approach 2:
The convex attachments have asymmetric shapes with concave sides that complement the central member's geometry. When attached, the asymmetric convex pieces complete the symmetric spherical shape, allowing weight adjustment without altering the overall ball shape or size.
3Weight of moving object
If convex attachments are added to the medicine ball for weight adjustment, then weight capacity is improved, but the medicine ball structure becomes more complex
Solution Approach 1:
The convex attachments are merged with the central member through fastening mechanisms like zippers. When attached, the convex pieces and central member form an integrated spherical structure. This merging approach adds weight capacity while minimizing structural complexity through simple fastening rather than complex mechanical connections.
Solution Approach 2:
The convex attachments serve multiple functions: they provide weight adjustment, maintain the spherical shape, and can be securely fastened using simple zipper mechanisms. This multi-functionality reduces the need for separate components and simplifies the overall structure while achieving weight adjustment capability.
Data Source
AI summary
A medicine ball includes a central member with a pair of opposing concave sides. Further, convex attachments are each adapted to mate with the concave sides of the central member to form a sphere. These convex attachments are fastened together to the concave sides by a pair of fasteners, such as zippers. Additionally, attachment ports which can receive an exercise attachment are each positioned within the central member. Examples of exercise attachments include a barbell bar, a handgrip, and a pair of roller pairs, among others. In an alternative embodiment the attachment ports are positioned within the convex attachments. Further, an article of clothing has a receptacle to receive the convex attachments.