Selectable Clamp for Quick-Change Adjustable Weight Handlebars
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Solution Overview
Problem
Current adjustable weight apparatuses are limited to a single type of handlebar, restricting users to specific exercises and requiring multiple handlebars for varied workouts, which occupies space and is inconvenient.
Innovation Solution
A selectable clamp system that allows easy interchange of weightlifting handlebars on an adjustable weight set, featuring a pivotable clamp design with a latch mechanism for secure engagement and quick release, enabling compatibility with various handlebars such as straight bars, curl bars, and kettlebell handles.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If adjustable weight apparatuses are designed to work with a single handlebar type, then the device structure remains simple and reliable, but the user is limited to specific exercises and cannot interchange handlebars
Solution Approach 1:
The clamp is designed with a universal interface that can accommodate multiple handlebar types (straight bars, curl bars, kettlebell handles) through a standardized opening and closing mechanism. The clamp plates and latch system create a universal attachment point that works across different handlebar configurations, allowing one clamp design to serve multiple functions and handlebar types.
Solution Approach 2:
The clamp incorporates dynamic elements including pivotable latch arms that can rotate between locked and unlocked positions, and movable clamp plates that adjust to different handlebar diameters. The release lever provides dynamic control over the latching mechanism, enabling quick transitions between different handlebar configurations without requiring complex disassembly procedures.
2Adaptability or versatility
If multiple handlebars are provided for varied workouts, then exercise versatility is improved, but space requirements increase and storage becomes inconvenient
Solution Approach 1:
By creating a universal clamp interface, the system allows a single handlebar to be used for multiple exercise types by simply changing the clamp configuration or attachment method. This eliminates the need to store multiple dedicated handlebars for different exercises, as the same handlebar can be quickly reconfigured or replaced through the standardized clamp system.
Solution Approach 2:
The quick-release clamp mechanism allows users to easily discard (remove) handlebars from the weight set when changing exercises, and quickly recover (reattach) different handlebars without complex tools or procedures. This rapid exchange capability makes it practical to maintain a small collection of handlebars rather than storing multiple full-size handlebars for every possible exercise type.
3Reliability
If a latch mechanism is added for secure engagement, then the reliability of handlebar attachment is improved, but the ease of operation for quick release is reduced
Solution Approach 1:
The latch mechanism is pre-positioned and spring-loaded to automatically engage with the handlebar when the clamp is closed, ensuring secure attachment without requiring additional tightening steps. The preliminary positioning of the latch arms and engagement surfaces allows the clamp to self-lock into a secure state once closed, maintaining reliability while keeping the release process simple.
Solution Approach 2:
The release lever is designed to automatically disengage the latch mechanism through a single motion, allowing the user to quickly release the handlebar without manually manipulating multiple components. The self-service feature is embodied in the automatic latch engagement during closing and the automatic disengagement during release, minimizing the user's operational burden while maintaining secure attachment during use.
Data Source
AI summary
A selectable clamp for interchanging weightlifting handlebars in an adjustable weight set includes a first clamp plate set, a second clamp plate set, and a latch. The first clamp plate set and the second clamp plate set are pivotally moveable relative to one another and define an expandable opening therebetween. The clamp plate sets engage the weightlifting handlebar in the expandable opening when the selectable clamp is in a closed position and disengage with the weightlifting handlebar when the selectable clamp is in an open position. The latch is releasably coupled to the first clamp plate set and the second clamp plate set and secures the weightlifting handlebar when the clamp is in a closed position and release the weightlifting handlebar when the clamp is in an open position.