Bidirectional Rotational Resistance Exercise Apparatus
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Solution Overview
Problem
Current exercise devices fail to provide effective rotational resistance, limiting the ability to strengthen muscles through rotational motions, and often require significant space and complex setup, making them unsuitable for users with limited space and budget.
Innovation Solution
A portable, multi-function bidirectional rotational resistance exercise apparatus that allows adjustable rotation range, attachment points, and resistance levels, utilizing various resistance sources like springs, motors, and flexible materials, and can be easily folded for storage without disconnecting the resistance source, accommodating users of different heights and providing versatile exercises.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If current exercise devices provide linear resistance force, then the device structure is simple, but the ability to strengthen muscles through rotational motions is limited
Solution Approach 1:
The exercise device incorporates both linear resistance mechanisms and rotational resistance mechanisms into a single apparatus, allowing it to perform both linear and rotational exercises. The resistance member can be configured to provide resistance in both motion types, making the device versatile for different muscle groups and exercise purposes without requiring separate equipment
Solution Approach 2:
The device employs adjustable resistance mechanisms where the resistance member's configuration can be dynamically changed between linear and rotational modes. The resistance force can be adjusted in magnitude and direction, allowing the same device to adapt to different exercise requirements and user needs throughout the exercise session
2Adaptability or versatility
If exercise devices provide fixed resistance force, then the device structure is simple, but the ability to accommodate users of different heights and strengths is limited
Solution Approach 1:
The resistance mechanism features adjustable resistance force that can be modified during exercise sessions. The resistance member can be repositioned along its path of motion, and the resistance magnitude can be changed to accommodate users of different heights, weights, and strength levels, allowing the same device to serve diverse user populations effectively
Solution Approach 2:
The device is divided into modular components including adjustable attachment points, segmented resistance members, and interchangeable exercise elements. This segmentation allows users to configure the device for different exercise types and adjust it to their specific physical characteristics, enhancing adaptability across various user groups
3Adaptability or versatility
If exercise devices occupy large space, then the device can provide comprehensive exercise functions, but the suitability for users with limited space is reduced
Solution Approach 1:
The exercise device employs a compact nested structure where components are arranged concentrically or in space-efficient configurations. The resistance member, guides, and exercise elements are integrated in a way that minimizes the device's external footprint while maintaining full functional capability, allowing comprehensive exercise functions in a small footprint suitable for home environments
Solution Approach 2:
The device utilizes vertical space and three-dimensional arrangement of components rather than only horizontal expansion. By arranging exercise elements in multiple dimensions and using vertical guides, the device provides comprehensive exercise functions without occupying excessive floor space, making it suitable for users with limited available area
4Measurement precision
If exercise devices require complex setup, then the device can provide precise resistance control, but the ease of use and quick setup is reduced
Solution Approach 1:
The resistance member and associated components are pre-configured and pre-positioned during manufacturing to establish correct geometric relationships and resistance characteristics. This preliminary setup eliminates the need for complex field adjustments, allowing users to achieve precise resistance control through simple selection of pre-defined configurations rather than complex assembly procedures
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables comprehensive muscle strengthening through rotational motions in a compact, space-efficient design, suitable for users with limited space and budget, while simplifying the exercise setup and use.
Implementation Method 1
The spring (3303) has one end attached to the housing (3101) and the other end attached to the rotating element (3305)
Implementation Method 2
The friction material (3106) provides resistance for a user when they rotate resistance output shaft (3107)
Data Source
AI summary
An exercise apparatus with an adjustable rotating element around which a force transferring material wraps either clockwise or counterclockwise to provide bidirectional rotational resistance for exercising. The force transferring material is preferably guided to remain in close proximity to the rotating element while wrapping around the rotating element.