Mountable Resistance Exercise Device With Motorized Cable Winding
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Solution Overview
Problem
Existing exercise machines primarily target specific muscle groups, leaving other muscles underutilized, and there is a need for a portable and lightweight device that can provide supplemental exercises for these undertargeted muscles, capable of being attached to various machines or used independently.
Innovation Solution
A portable exercise device with a rigid enclosure, a winding assembly, and a motor system that adjusts resistance via a torsion spring and controller circuit, allowing for attachment to exercise machines and independent use, featuring a user interface for resistance adjustment and wireless connectivity for convenient control during workouts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If exercise machines are designed to focus on a particular group of muscles, then the exercise machine can provide targeted muscle strengthening, but other muscle groups remain underutilized
Solution Approach 1:
The exercise device is designed with multiple cables extending in different directions, each capable of engaging different muscle groups. The device can perform both pushing and pulling exercises simultaneously, allowing one device to target multiple muscle groups including chest, back, shoulders, and arms, thus achieving multi-functionality and versatility.
Solution Approach 2:
The exercise device divides the workout function into separate cable systems that can independently target different muscle groups. Each cable can be adjusted and positioned to engage specific muscles, allowing segmented targeting of chest, back, shoulders, and arms simultaneously or independently.
2Ease of operation
If a supplemental exercise device is designed to be portable and lightweight, then the device can be moved between machines, but the device may have limited structural strength
Solution Approach 1:
The device utilizes a lightweight frame structure with strategic reinforcement at stress points. The enclosure and support structures use thin-walled designs that maintain sufficient structural strength for exercise forces while minimizing overall weight for portability.
Solution Approach 2:
The device employs composite construction combining lightweight materials with high-strength components at critical load-bearing points. This allows the overall device to remain portable while maintaining adequate structural strength to handle exercise forces.
3Adaptability or versatility
If multiple exercise machines are used to target different muscle groups, then comprehensive full-body workout is achieved, but the complexity and cost increase
Solution Approach 1:
The exercise device merges multiple exercise functions into a single integrated unit. Multiple cables are arranged to enable simultaneous or sequential targeting of chest, back, shoulders, and arms through one device, eliminating the need for multiple separate machines and reducing overall system complexity.
Solution Approach 2:
The device is designed as a universal supplemental exercise unit that can be attached to various exercise machines (stationary bikes, treadmills, ellipticals) and provides comprehensive upper body workout capabilities, replacing the need for multiple specialized machines.
4Adaptability or versatility
If a device is designed to attach to various exercise machines, then the device offers enhanced versatility, but the attachment mechanism becomes more complex
Solution Approach 1:
The attachment mechanism is designed with universal mounting points and adaptable connection interfaces that can interface with various exercise machine types (stationary bikes, treadmills, ellipticals). This universal design achieves broad machine compatibility without requiring complex custom attachment systems for each machine type.
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 full-body workouts by providing supplemental exercises for undertargeted muscles, offering adjustable resistance and portability, enhancing the effectiveness of existing exercise machines while allowing for independent use and convenient resistance control.
Implementation Method 1
a winding spool configured for receiving a proximal end of at least one cable wound there around in a first rotational direction under the urging of a coil spring that has a winding spring tension
Implementation Method 2
A torsion spring is fixed between the rotor plate and the winding spool such that rotating the rotor plate causes the torsion spring to increase or decrease a cable unwind resistance, inhibiting or assisting the unwinding of the at least one cable from the winding spool
Implementation Method 3
The attachment mechanism preferably includes at least one magnet fixed with the enclosure and configured for magnetically attaching to a magnetically-attractive surface of the exercise machine
Data Source
AI summary
An exercise device for attachment to an exercise machine or as an independent stand alone exercise device that includes an enclosure having an outer wall that defines an internal space therein, at least one cable aperture and an attachment mechanism for attaching to the exercise machine. A winding assembly is rotationally captured within the internal space and includes a winding spool configured for receiving at least one cable wound there around under resistance provided by a motor. The motor is used in conjunction with a controller circuit, a power source, and a user interface. To perform exercises with the exercise device, a person sets a desired cable unwind resistance with the user interface and then repeatedly pulls and retracts the at least one cable.