One-Way Cable Spool Exercise Device for Portable Resistance Training
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Solution Overview
Problem
Existing personal exercise devices are often bulky, require electrical power, and lack portability, making them inconvenient for use in various settings.
Innovation Solution
A one-way force-resistance cable exercise device featuring a compact force resistance assembly with a rotatable one-way cable spool that locks during resistance and freely moves during winding, combined with a lightweight and portable design, allowing for easy storage and transport.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing personal exercise devices are designed to provide resistance training functionality, then exercise effectiveness is improved, but device weight and bulk increase, reducing portability
Solution Approach 1:
The exercise device is divided into separate functional components: a portable resistance mechanism (spring-loaded pin system) that can be detached from traditional bulky exercise equipment. Users can attach the resistance mechanism to various exercise implements, creating a modular system that provides full resistance training functionality without the weight and bulk of complete traditional exercise machines.
2Reliability
If existing personal exercise devices are designed to provide stable resistance, then training reliability is improved, but device complexity and size increase, reducing portability
Solution Approach 1:
The core resistance function is extracted from complex mechanical exercise machines and implemented through a simple spring-loaded pin mechanism. This extracted resistance system can be independently attached to various exercise implements, providing stable resistance training without requiring the complex structures of traditional exercise equipment.
Solution Approach 2:
The resistance mechanism is designed with universal attachment capability, allowing a single device to work with multiple types of exercise implements. The pin-based resistance system can be attached to different cables, bars, and handles, providing multi-functional exercise capabilities without increasing device complexity.
3Reliability
If existing exercise devices are designed to provide consistent resistance, then exercise quality is improved, but power requirements increase, making the device less portable
Solution Approach 1:
The resistance mechanism uses a spring-loaded pin system that automatically maintains consistent resistance throughout the exercise range of motion without requiring external power sources. The spring mechanism self-regulates the resistance force, eliminating the need for electrical power while maintaining high exercise quality.
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
The device provides a portable, lightweight, and versatile exercise solution that offers adjustable resistance, enabling effective strength training without the need for electrical power, suitable for various exercises and environments.
Implementation Method 1
The one-way cable spool incorporates a one-way needle bearing adapted for operatively engaging the assembly shaft upon rotation of the cable spool in the working force-resistance direction
Implementation Method 2
an adjustable friction controller adapted for frictionally engaging the disk rotor
Implementation Method 3
the cable spool operates in 'one-way' by locking onto the assembly shaft when rotated in the working or force-resistance direction, but slips over the assembly shaft when counter-rotated in the cable-wind-up direction
Data Source
AI summary
A personal force-resistance cable exercise device includes a force resistance assembly, elongated flexible cable, and a movable exercise implement. The force resistance assembly comprises a mounting frame, a rotatable assembly shaft carried by the mounting frame, a disk rotor fixedly attached to the assembly shaft, an adjustable friction controller adapted for frictionally engaging the disk rotor, and a one-way cable spool. The one-way cable spool is locked to the assembly shaft upon rotation of the cable spool in a working force-resistance direction, and is freely movable relative to the assembly shaft upon rotation of cable spool in an opposite cable-wind-up direction. The flexible cable is attached to the force resistance assembly, and adapted for winding on and unwinding from the cable spool. The exercise implement is attached to the flexible cable, and adapted for being employed by a user performing an exercise.