Portable Platform Cable Redirection for Linear-Pull Machines
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Solution Overview
Problem
Existing linear-pull weight machines do not allow for exercises that require vertical resistance at a distance from the machine, and existing accessories do not redirect cables to a vertical direction, limiting the variety of exercises that can be performed.
Innovation Solution
A portable platform accessory with a rigid body structure, pulley mechanism, and swivel mechanism that redirects the weight cable from a horizontal to a vertical orientation, allowing exercises like belt squats and dead lifts at a distance from the machine.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a portable platform accessory with pulley mechanism is added to redirect cables vertically, then exercise variety and distance capability are improved, but device complexity increases
Solution Approach 1:
The pulley mechanism acts as an intermediary component that redirects the cable force from horizontal to vertical orientation. The pulley serves as a mediator between the linear-pull weight machine's horizontal cable output and the user's vertical exercise requirements, enabling exercises like belt squats and dead lifts without modifying the original machine.
Solution Approach 2:
The accessory is segmented into distinct functional components: a rigid body structure for stability, a pulley mechanism for cable redirection, and a swivel mechanism for orientation adjustment. This segmentation allows each component to perform its specific function independently while working together to enable vertical resistance exercises at a distance.
2Ease of operation
If the accessory is made portable and movable, then ease of placement at different locations is improved, but stability during exercise may worsen
Solution Approach 1:
The accessory exhibits different quality characteristics in different locations: the rigid body structure provides local stability at the placement location, while the overall structure remains portable. The rigid body with four legs creates a stable local platform for exercises while the entire assembly can be moved to different locations as needed.
3Length of moving object
If the pulley mechanism redirects cable to vertical orientation, then exercise distance from machine is improved, but cable tension management becomes more complex
Solution Approach 1:
The pulley mechanism changes the dimensional orientation of the cable force from horizontal to vertical. By introducing this dimensional change through the pulley's geometry and mounting, the system enables vertical resistance exercises at a distance from the machine while maintaining cable tension through the redirected path.
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 variety of vertical resistance exercises at a convenient location away from the linear-pull weight machine, even in confined spaces, by redirecting the weight cable for exercises like belt squats and dead lifts.
Implementation Method 1
a pulley mechanism below the standing surface, the pully mechanism comprising one or more pulleys to guide a weight cable from the linear-pull weight machine up through the slot, hole, or other opening to an upward orientation
Implementation Method 2
a swivel mechanism to adjust for variations in the orientation of placement of the accessory relative to a linear-pull weight machine to which it is attached
Data Source
AI summary
A portable platform accessory for linear-pull weight machines which allows a user to engage in a variety of vertical resistance exercises at a distance away from a linear-pull weight machine at a location convenient for the user. This accessory allows for addition of belt squats, dead lifts, bicep curls, and other vertical resistance exercises on linear-pull weight machines that do not come equipped with those exercises or for which performance of those exercises close to the linear-pull weight machine is inconvenient. Further, due to its portability, this accessory can be placed in a variety of locations at a distance from the linear-pull weight machine, adding belt squats, dead lifts, bicep curls, and other vertical resistance exercises even where the linear-pull weight machine is in confined spaces where these exercises could not otherwise be performed or would be inconvenient due to space restrictions.