Cam-Actuated Coupling Platform for Single-Handed Storage Unit Release
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Solution Overview
Problem
Existing modular storage units lack efficient mechanisms for securely coupling and decoupling to work surfaces, such as the undersides of tables or benches, which complicates the handling and transport of tools and equipment.
Innovation Solution
The coupling platform features a base portion with male couplers, a securing element, and a latch mechanism that allows for secure engagement and easy disengagement of storage units by sliding or pivoting actions, ensuring stable attachment and easy release.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a secure coupling mechanism is implemented to firmly attach storage units to work surfaces, then the reliability of attachment is improved, but the ease of operation for quick release deteriorates
Solution Approach 1:
The coupling mechanism transitions from a static locked state to a dynamic release state through a cam-actuated lever system. The lever pivots between positions to transform a small rotational input motion into a large linear displacement that simultaneously disengages multiple coupling elements, enabling quick release while maintaining secure attachment during storage.
Solution Approach 2:
The cam-shaped lever acts as an intermediary element that mediates between the user's manual input and the coupling elements. By rotating the lever, the cam profile translates rotational motion into linear motion that pushes the coupling elements away from the work surface, providing a mechanical advantage that enables easy release without directly manipulating each coupling element.
2Reliability
If multiple coupling elements are used to ensure stable attachment, then the reliability of connection is improved, but the device complexity increases
Solution Approach 1:
Multiple coupling elements (front coupling element and rear coupling element) are merged into a single integrated mechanism controlled by one cam-shaped lever. Rotating the lever simultaneously actuates both coupling elements through the cam profile, allowing stable attachment with multiple contact points while maintaining simple operation through a single control element.
Solution Approach 2:
The cam-shaped lever performs multiple functions: it acts as a handle for user input, a cam mechanism for motion transformation, and a simultaneous actuator for multiple coupling elements. This multi-functionality reduces the need for separate control mechanisms for each coupling element, simplifying the overall device while maintaining reliable connection.
3Reliability
If a mechanical locking mechanism is implemented to prevent disengagement, then the reliability of attachment is improved, but the ease of operation for single-handed use deteriorates
Solution Approach 1:
The cam-shaped lever mechanism is designed to be self-actuating through its cam profile. When the user rotates the lever, the cam geometry automatically transforms the rotational motion into the linear pushing motion needed to disengage the coupling elements. This self-service mechanism eliminates the need for complex linkages or multi-step operations, enabling reliable attachment and easy single-handed release.
Data Source
AI summary
Various embodiments of the coupling platforms described herein are usable to couple storage units, such as modular storage units, to structures, such as to the undersides of benches or tables. One or more of the coupling platforms described herein facilitate the user supporting a newly-disengaged support unit. For example, one or more of the coupling platforms permit the user to place their hands on both sides of the storage unit to complete a disengagement between the coupling platform and the storage unit.