Converging Press Arm Trainer With Adjustable Carriages
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Solution Overview
Problem
Existing cable machines lack independent converging press arms and counterweight systems, limiting exercise variation and functionality, and do not allow for adjustable heights or bench configurations, which restricts the range of exercises that can be performed.
Innovation Solution
The introduction of independent inwardly converging press arms with rotating pulleys and cable systems attached to height-adjustable carriages, accompanied by a bench with an adjustable back and seat, allows for various exercises and includes a counterweight system to neutralize the weight of the carriage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional cable pulley systems are used without independent converging press arms, then the device structure is simpler, but exercise variety is limited
Solution Approach 1:
The press system is divided into independent converging press arms that can be adjusted separately, allowing different exercise configurations while maintaining a unified frame structure. This segmentation enables multiple exercise variations without requiring completely separate machines for each exercise type.
Solution Approach 2:
The cable machine is designed with universal components including adjustable carriages, multiple pulley positions, and configurable press arms that can perform multiple exercise functions. A single machine structure supports various exercises through adjustable components rather than requiring dedicated equipment for each exercise type.
2Adaptability or versatility
If fixed-height carriages are used, then the manufacturing and setup is simpler, but exercise range and user adaptability are restricted
Solution Approach 1:
The carriage system transitions from fixed to dynamically adjustable heights, allowing users to reposition carriages along vertical guides to match their body dimensions and exercise requirements. This dynamic adjustability is achieved through simple mechanical interfaces that maintain ease of manufacture while providing continuous height variation.
Solution Approach 2:
The carriage height parameter can be changed by users through adjustment mechanisms along the vertical guides. This parameter change capability allows the same machine to adapt to different user heights, exercise types, and performance requirements without requiring multiple fixed-height machines.
3Manufacturing precision
If no counterweight system is installed, then the device weight and complexity are reduced, but the carriage weight cannot be neutralized affecting exercise precision
Solution Approach 1:
A counterweight system is integrated into the carriage mechanism to balance the weight of the carriage and press arms. This counterbalancing allows users to focus on the resistance from weight stacks or body weight without fighting the weight of the moving components themselves, improving exercise control and precision.
4Adaptability or versatility
If multiple exercise stations are provided in fixed positions, then exercise variety is increased, but floor space requirements increase
Solution Approach 1:
A single cable machine location serves multiple exercise functions through adjustable carriages, press arms, and pulley configurations. Instead of requiring separate fixed stations for different exercises, the universal design allows one location to accommodate various exercise types including presses, pulls, and isolation movements.
Solution Approach 2:
The exercise configuration is dynamic rather than static, allowing the same physical space to be reconfigured for different exercises by adjusting carriage positions, press arm angles, and cable attachments. This dynamic reconfiguration maximizes exercise density within a fixed floor space.
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
This design enhances exercise variety, facilitates injury prevention and rehabilitation, enables partial repetitions, maximizes exercise density in a fixed space, and allows multiple users to perform exercises simultaneously, while providing adjustable motion control and range limitation.
Implementation Method 1
the carriage systems on functional trainers and cable crossover machines do not contain a counter weight system for neutralizing the weight of the carriage
Implementation Method 2
various resistance amounts can be chosen by either adding weight or subtracting various weights from the weight stack systems. The cable pulley system can be push, pulled and/or pressed in a variety of directions.
Data Source
AI summary
Systems and devices for a master trainer for a master trainer having independent press arms with rotating pulley systems each with attached carriages that allows for the press arms and pulley systems and carriages to be adjustable to different heights in order to perform various exercises. Additionally, the master trainer is configured to be used with or without a bench with an adjustable back and seat and is configured to allow for varying exercises to be performed based on the height of the carriage system and adjustment of the bench.