Multi-purpose Exercise Device with Door Bracket and Height Adjustment
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Solution Overview
Problem
Existing isometric exercise devices are heavy, bulky, non-portable, and limited in functionality, making them unsuitable for home or office use, as they are typically designed for a single type of exercise and require substantial space.
Innovation Solution
A multi-purpose exercise device with a frame and crossbars that allows for various exercises like push-ups, sit-ups, and step-ups, featuring a bracket for door attachment and height adjustment, enabling multiple exercises with a single device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional isometric exercise apparatus are used, then exercise stability and support are improved, but weight and bulk increase making the device non-portable
Solution Approach 1:
The exercise device is divided into multiple support members (first and second support members) with front and rear legs each, creating a segmented stable base that distributes weight and improves stability without requiring excessive overall weight
Solution Approach 2:
The device incorporates multiple crossbars (first, second, third, and fourth crossbars) that enable various exercises including push-ups, sit-ups, leg raises, and step-ups, making the lightweight device versatile enough to replace multiple traditional exercise machines
2Device complexity
If traditional exercise machines are designed for single exercise type, then structural simplicity is improved, but functionality and versatility deteriorate
Solution Approach 1:
The device incorporates multiple crossbars (first, second, third, and fourth crossbars) that enable various exercises including push-ups, sit-ups, leg raises, and step-ups, making the lightweight device versatile enough to replace multiple traditional exercise machines
3Ease of manufacture
If traditional exercise apparatus are designed with fixed structure, then manufacturing simplicity is improved, but adaptability to different exercise heights deteriorates
Solution Approach 1:
The device incorporates height adjustment members that allow the crossbars to be repositioned to different heights, transforming the structure from fixed to adjustable while maintaining manufacturing simplicity through standardized components
Data Source
AI summary
A multi-purpose exercise device is provided. The exercise device includes an upright frame having a first support member and a second support member configured to support the exercise device in an upright and freestanding position, a first crossbar, a second crossbar, and a third crossbar oriented on the frame such that the crossbars conjunctively enable a user to perform push-ups, step-ups, and crunches with the same exercise device, a first support arm and a second support arm for facilitating wide-grip push-ups, a fourth crossbar including a bracket configured to engage the bottom rail of a door in order to secure and stabilize the exercise device to the door for performing exercises requiring the exercise bar to be fixed in place, and a height adjustment member disposed on the support members configured to extend vertically therefrom in order to adjust the height of the support members.