Weightlifting Machine Cable Routing for Compact Multi-Exercise Racks
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Solution Overview
Problem
Existing weightlifting machines that use cable-based systems are often limited in the number of exercises they can perform and require significant space and financial investment, making them unsuitable for small gyms and home setups, and present challenges with shipping and assembly.
Innovation Solution
A weightlifting machine integrated with a weight rack assembly, featuring a pulley system and cable system that redirects resistance, allowing for multiple exercises in a compact space with cost-efficient and simple installation, including a seat and foot rest attachment assembly for user support.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a cable-based weightlifting machine is configured as a stand-alone machine or connected to a weight rack, then the machine can provide resistance element movement in a controlled manner, but it requires significant space and financial expenditure
Solution Approach 1:
The weight rack assembly is designed to serve multiple functions: it acts as both a traditional weight rack for barbell exercises and as a mounting structure for cable-based weightlifting machines. The frame members can support both free-weight equipment and cable machine components, allowing one structure to replace multiple separate pieces of equipment.
Solution Approach 2:
The patent combines the weight rack structure with cable machine components by integrating pulley assemblies, cable systems, and seat attachment assemblies directly onto the weight rack frame. This merging eliminates the need for separate cable machine structures, reducing overall space requirements while maintaining functional integrity.
2Reliability
If a cable-based weightlifting machine is configured as a stand-alone machine or connected to a weight rack, then the machine can provide resistance element movement in a controlled manner, but it requires significant financial expenditure
Solution Approach 1:
The weight rack assembly is designed to serve multiple functions: it acts as both a traditional weight rack for barbell exercises and as a mounting structure for cable-based weightlifting machines. The frame members can support both free-weight equipment and cable machine components, allowing one structure to replace multiple separate pieces of equipment.
Solution Approach 2:
The patent combines the weight rack structure with cable machine components by integrating pulley assemblies, cable systems, and seat attachment assemblies directly onto the weight rack frame. This merging eliminates the need for separate cable machine structures, reducing overall space requirements while maintaining functional integrity.
3Reliability
If a cable-based weightlifting machine is configured as a stand-alone machine or connected to a weight rack, then the machine can provide resistance element movement in a controlled manner, but it presents difficulties with shipping and assembly
Solution Approach 1:
The cable-based weightlifting components are designed as separate, modular attachments that can be independently shipped and then assembled onto the weight rack. The pulley assembly, cable system, and seat attachment are segmented into manageable parts that can be transported separately and connected using standardized mounting interfaces.
Solution Approach 2:
The weight rack is designed with pre-configured mounting points, attachment interfaces, and structural preparations that enable easy installation of cable machine components. The frame members include integrated mounting structures that simplify the assembly process, allowing users to attach cable components without complex fabrication or customization.
4Adaptability or versatility
If a traditional weightlifting machine is used, then it can provide resistance for weightlifting exercises, but it is limited in the number of exercises that can be performed
Solution Approach 1:
The weight rack assembly is designed to serve multiple functions: it acts as both a traditional weight rack for barbell exercises and as a mounting structure for cable-based weightlifting machines. The frame members can support both free-weight equipment and cable machine components, allowing one structure to replace multiple separate pieces of equipment.
Solution Approach 2:
The cable system is designed with dynamic routing capabilities, allowing the cable path to be reconfigured for different exercises. The pulley assembly can accommodate various cable routing options, and the seat attachment assembly can be repositioned or removed to enable different exercise configurations, providing versatility without requiring dedicated equipment for each exercise.
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 a versatile range of exercises in a reduced space with cost efficiency and easy installation, addressing the limitations of traditional weightlifting machines by integrating with existing weight rack structures.
Implementation Method 1
a pulley assembly connected to the frame, where the pulley assembly comprises a first pulley and a mount rotatably supporting the first pulley
Data Source
AI summary
A weightlifting machine that includes a pulley system and a cable system that attaches to a weight rack frame to allow a user to perform a weightlifting exercise. The pulley system may include a first pulley and a second pulley where the cable system engages each pulley. The cable system may have a first end connected to a grip attachment and a second end attached to a resistance element. The resistance element may include a resistance band, a weight support that holds a weight plate, a set of weight plates, or other type of resistance element. The cable system may extend from the pulley through an opening located one of the frame members that form the frame. A seat attachment assembly may also be connected to the weightlifting machine, where the weightlifting machine may include a pulley rotatably connected to a seat base that supports a seat. In addition, a foot rest attachment assembly may be connected to the weightlifting machine, where the foot rest attachment assembly may include an adjustable foot rest.