Swivel Link Gripping Handle for Lateral Pulldown Machines
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Solution Overview
Problem
Existing lateral pulldown exercise machines lack a versatile and movable gripping handle assembly that allows for different gripping options and accommodates varying user arm shapes, as the traditional handle assemblies fixedly mounted on rotating arms do not allow for independent movement or adjustment during exercises.
Innovation Solution
A swivel link-based gripping handle assembly is pivotally connected to the lateral pulldown arms, allowing the handles to hang straight downwardly and providing multiple gripping orientations, including wide-grip, narrow-grip, and climbing mount options, while allowing for forward and backward movement to accommodate different user anatomies.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the handle assembly is fixedly mounted onto the frames of exercise machines, then the structure is simple and stable, but the user cannot adjust the handle position to accommodate different arm shapes and gripping preferences
Solution Approach 1:
The handle assembly is made movable along the handlebars through a sliding mechanism with slots and connectors, allowing users to adjust the position and orientation of handles dynamically during exercise, transforming a static fixed structure into a dynamic adjustable one
Solution Approach 2:
The handle assembly is divided into separate movable components including multiple handles that can be independently positioned, allowing each handle to be adjusted to different locations and angles to suit various user needs and exercise types
2Adaptability or versatility
If the handle assembly is pivotally connected to allow forward and backward movement, then different user anatomies are accommodated, but the mechanism becomes more complex
Solution Approach 1:
The pivotal connection allows the handle assembly to rotate and pivot dynamically, enabling forward and backward movement to accommodate different shoulder and elbow positions, transforming a rigid connection into a flexible dynamic joint
Solution Approach 2:
The pivotal mechanism changes the angular parameters of the handle assembly, allowing it to rotate through different angles to match various user anatomies and exercise requirements, adjusting the orientation parameter dynamically
3Ease of operation
If the gripping handle assembly is pulled downwardly without rotating, then the exercise motion is controlled and precise, but the mechanism to prevent rotation adds complexity
Solution Approach 1:
The rotation function is extracted and separated from the pulling motion, allowing the handle assembly to be pulled downward in a controlled linear path while rotation is prevented, isolating the useful pulling motion from the unwanted rotational movement
4Adaptability or versatility
If multiple gripping handle locations are provided, then exercise versatility is improved, but the device structure becomes more complex
Solution Approach 1:
A single handle assembly structure provides multiple gripping locations and orientations that can accommodate various exercise types including chin-ups, pull-ups, and different grip widths, making one device perform multiple functions
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 solution enables users to perform various exercises like chin-ups, pull-ups, and wide-grip pull-ups with improved comfort and versatility, as the handle assembly does not rotate with the pulldown arms and allows for adjustable positioning to accommodate different shoulder and elbow angles.
Implementation Method 1
the swivel link hangs straight downwardly when suspended from the pivoting pulldown arm
Data Source
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AI summary
A gripping assembly for a lateral pulldown exercise machine, having: a swivel link connected to a center mount, wherein the swivel link is adapted to be pivotally connected to a pulldown arm of a lateral pulldown exercise machine; an outwardly extending arm connected to the center mount for performing wide-angle grips; an inwardly extending arm connected to the center mount, wherein the inwardly extending arm is rotatable between a forwardly angled position and a backwardly pointing position; and a climb hold attached to the center mount.