Adjustable Kettlebell Locking Assembly for Secure Weight Selection
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Solution Overview
Problem
Kettlebells with adjustable weights face issues of weight detachment during exercise, which can cause injury, and require multiple kettlebells of different weights for a comprehensive workout, leading to cost and space inefficiencies.
Innovation Solution
An adjustable weight kettlebell system with a lock mechanism that automatically locks and unlocks based on placement on a base, using a selector rod and plunger system to ensure weights remain attached during exercise and allow easy weight adjustment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If weights are made detachable to allow adjustment, then ease of operation is improved, but reliability deteriorates due to risk of detachment during exercise
Solution Approach 1:
The kettlebell employs a dynamic locking system where the selector rod can be rotated to different positions to select weights, and automatically locks into place during exercise. The lock mechanism transitions between locked and unlocked states based on the operational phase, providing both adjustability and security.
Solution Approach 2:
The selector rod acts as an intermediary component between the user and the weights. It mediates the selection process by rotating to engage different weight configurations, and the lock mechanism serves as an intermediary that secures the selection during exercise, preventing direct detachment while maintaining adjustability.
2Adaptability or versatility
If multiple kettlebells of different weights are used, then adaptability is improved, but device complexity and space requirements increase
Solution Approach 1:
The kettlebell is designed as a universal device that can perform multiple weight configurations through a single unit. The adjustable weight mechanism allows one kettlebell to replace multiple fixed-weight kettlebells, providing versatility for different workout requirements while reducing the total number of devices needed.
Solution Approach 2:
The weight selection system is segmented into discrete weight components that can be independently selected and locked. This segmentation allows the user to configure specific weight combinations needed for different exercises, providing adaptability without requiring separate kettlebells for each weight class.
3Ease of operation
If manual locking mechanism is used, then ease of operation is improved, but loss of time increases due to manual locking steps
Solution Approach 1:
The lock mechanism is designed to automatically engage and lock the selector rod in place immediately upon completion of the weight selection process. This preliminary locking action eliminates the need for separate manual locking steps, saving time while maintaining ease of operation.
Solution Approach 2:
The locking mechanism is self-actuating and automatically performs the locking function without requiring additional user intervention. The system serves itself by using the weight selection process to trigger the automatic lock, eliminating time-consuming manual locking operations while keeping the interface simple.
Data Source
AI summary
An adjustable weight kettlebell includes a body defining an internal cavity configured to receive one or more of a plurality of weights, and a weight selector assembly configured to selectively couple one or more of the plurality of weights to the body. The weight selector assembly may include an actuator to enable a user to select one of a plurality of available weight settings. The weight selector assembly may be locked for adjustment when the kettlebell is removed from a support surface such as a base, thereby inhibiting inadvertent detachment of the weights from the kettlebell during exercise. The weight selector assembly may automatically shift to the closest weight settings upon release of the actuator and may automatically unlock upon placement of the kettlebell on the support surface such as the base, the bottom weight if not coupled to the kettlebell, or any other suitable support surface.