Multi-Functional Doorway Exercise Device with Rotating Pull-Up Bar
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Solution Overview
Problem
Existing exercise equipment lacks versatility and portability, often requiring fixed installations and additional hardware, limiting the range of exercises that can be performed safely and effectively in a home setting.
Innovation Solution
A multi-functional doorway exercise device that mounts in a standard doorway without permanent hardware, allowing for adjustable positioning and use of tension bands to perform various exercises like incline pushups, dips, pull-ups, and leg work, using a stabilizing bar, main pull-up bar, and handlebars for secure and stable configurations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If exercise equipment is designed to be portable and require no permanent hardware, then ease of installation and portability are improved, but device stability and reliability may deteriorate
Solution Approach 1:
The device is divided into multiple independent bars (stabilizing bar, main pull-up bar, support bars) that can be independently positioned and adjusted. Each bar serves a specific function and can be separately installed or removed, allowing easy installation while maintaining overall system stability through the coordinated arrangement of segmented components.
Solution Approach 2:
The main pull-up bar is rotatably mounted on the stabilizing bar, and support bars connect these two main bars. This nested arrangement allows compact storage when not in use while providing a stable multi-bar structure during exercise, resolving the contradiction between portability and stability.
2Adaptability or versatility
If a single device is designed to perform multiple exercises, then versatility is improved, but device complexity may worsen
Solution Approach 1:
The multi-bar structure serves multiple exercise functions: the stabilizing bar provides support for balance, the main pull-up bar enables pull-ups and hanging exercises, and the support bars facilitate dips and push-up variations. This universal design allows a single device to replace multiple specialized equipment pieces without requiring complex additional components.
Solution Approach 2:
The main pull-up bar is rotatably mounted on the stabilizing bar, allowing it to rotate between different positions. This dynamic feature enables the same bar structure to accommodate different exercise types and user preferences, increasing versatility without adding fixed complex components for each exercise variation.
3Adaptability or versatility
If the device allows adjustable positioning along the door frame, then adaptability to different users is improved, but device complexity may worsen
Solution Approach 1:
The device utilizes the vertical dimension of the door frame for height adjustment, allowing users to position the bars at different elevations according to their height and exercise needs. This vertical adjustability is achieved through simple positioning along the door frame rather than complex mechanical adjustment mechanisms, maintaining simplicity while providing adaptability.
Data Source
AI summary
A multi-functional doorway exercise device is an apparatus that safely and securely attaches to a door frame. The apparatus includes a stabilizing bar, a main pullup bar, a first support bar, a second support bar, a left bracket assembly, a right bracket assembly, a left handlebar, and a right handlebar. The stabilizing bar extends across the width of a door frame and locks into the door frame. The main pullup bar, the left handlebar, and the right handlebar allows a user to grasp onto the present invention while performing various exercises with different grip positions. The left bracket assembly and the right bracket assembly attaches the stabilizing bar onto and along both sides of the door frame. The first support bar and the second support bar connect the main pullup bar with the stabilizing bar and allows the main pullup bar to rotate about the stabilizing bar.