Modular Exercise Apparatus with Tool-Free Assembly
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Solution Overview
Problem
There is a need for a sturdy, versatile, and compact exercise apparatus that allows for a wide range of bodyweight exercises, easy setup and disassembly without specialized tools, and mobility across different floor types for home, gym, and rehabilitation use.
Innovation Solution
A modular portable exercise apparatus consisting of symmetrically constructed tubular frames with cross bars and adjustable mounting bolts, a U-shaped supporting member, and hanger bolts for secure assembly and storage, allowing for various exercises and easy relocation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a pull-up bar is installed in a doorframe, then pull-ups can be performed at home, but the apparatus is not versatile for other exercises and requires permanent installation
Solution Approach 1:
The exercise apparatus is divided into separate modular components including frames, crossbars, and base members that can be easily assembled and disassembled without permanent installation, allowing versatility across multiple exercise types while maintaining simple setup
Solution Approach 2:
The apparatus is designed as a multi-functional system that supports various bodyweight exercises including pull-ups, push-ups, dips, and leg raises through adjustable crossbars and versatile frame structures, eliminating the need for exercise-specific equipment
2Strength
If exercise apparatus is made sturdy for workouts, then it provides stable support for exercises, but it becomes difficult to move and store
Solution Approach 1:
The apparatus is segmented into lightweight modular components including frames and base members that can be easily separated and relocated, maintaining structural stability during use while enabling simple movement and storage when disassembled
Solution Approach 2:
The apparatus transitions from a static assembled structure providing stable support during exercises to a dynamic disassembled state for easy movement and storage, with components that can be quickly configured and reconfigured based on usage needs
3Volume of moving object
If exercise apparatus is made compact for storage, then it saves space, but it reduces the stability and sturdiness during exercise
Solution Approach 1:
The apparatus is divided into compact modular components including frames and base members that occupy minimal storage space when disassembled, yet assemble into a stable structure during exercise with proper structural connections
Solution Approach 2:
Components are designed to nest efficiently during storage with crossbars positioned within frame structures and base members configured for compact arrangement, maximizing space savings while maintaining structural integrity during use
4Manufacturing precision
If assembly requires specialized tools, then precise alignment is achieved, but setup time increases and ease of assembly decreases
Solution Approach 1:
The apparatus incorporates self-aligning features including L-shaped mounting brackets with free arms that automatically guide crossbars into proper alignment with frame apertures, and manually adjustable mounting bolts that self-center during assembly, eliminating the need for specialized tools while ensuring precise alignment
Solution Approach 2:
L-shaped mounting brackets are pre-attached to crossbars with their free arms positioned to engage frame surfaces, pre-establishing alignment geometry before the actual assembly operation, which guides crossbars into correct position as they are inserted through apertures
Data Source
AI summary
A modular exercise apparatus includes a pair of vertical frame members secured in spaced-apart relation by two or more internally threaded cross bars the ends of which are fitted with L-shaped mounting brackets that are manually secured by threaded mounting bolts passing through opposing aligned apertures in the frame members and into the threaded ends of the cross bars, the frame members further stabilized by at least one flanged U-shaped supporting member secured to a base member of the frame members by a threaded mounting bolt, enabling the apparatus to be assembled without the use of tools to form a variable, stable configuration that allows one or two users to execute a wide variety of vigorous exercises, and disassembled for compact storage. For solo use, the frame members are reduced in length and weight facilitating ease of movement of the assembled unit, as well as the disposition for storage.