Badge Holder Ejector Mechanism for One-Handed Removal
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Solution Overview
Problem
Existing badge holders face issues such as repetitive stress and deformation due to repeated bending, allowing foreign matter to enter, and requiring two hands to remove badges, with complex assembly and limited functionality in existing systems.
Innovation Solution
A badge holder design featuring a housing with a front piece, back piece, and divider, incorporating first and second ejectors with proximal and distal ends rotatably coupled to the housing, allowing selective removal of badges without affecting the other slot, using pins or alternative mechanisms for rotation, and maintaining structural integrity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the badge holder is pinched to provide access to the badge, then the user can remove the badge, but repeated bending creates stress points and deformation that cause the holder to tear or fracture
Solution Approach 1:
The badge holder is divided into a rigid housing structure and a separate ejector mechanism. The ejector is rotatably coupled to the housing, allowing it to move independently to perform badge removal without requiring the user to bend or deform the entire holder structure. This segmentation protects the main housing from stress and deformation.
Solution Approach 2:
The ejector mechanism uses rotational motion instead of bending. The ejector rotates about an axis to push the badge out of the holder, providing a dynamic removal mechanism that does not create repetitive stress points on the holder body, thereby maintaining structural integrity over repeated use.
2Ease of operation
If large slots are cut into the badge holder to allow badge removal, then the user can access the badge, but foreign matter such as dust and dirt can enter the holder
Solution Approach 1:
The badge holder features a divided structure with a divider creating separate holding slots for multiple badges. Each slot is individually accessible through the front face, allowing badge removal without requiring large openings. The segmented structure maintains a more closed environment that prevents foreign matter entry while still providing adequate access.
Solution Approach 2:
The ejector acts as an intermediary tool that enables badge removal through a controlled mechanism rather than requiring direct manual access through large slots. The ejector pushes the badge out through a controlled opening, minimizing exposure to foreign matter while maintaining ease of operation.
3Ease of operation
If traditional removal systems are used, then the badge can be removed, but the user must use both hands to manipulate the holder and remove the card
Solution Approach 1:
The ejector mechanism combines the functions of badge retention and badge removal into a single integrated structure. The ejector is built into the holder housing and works in conjunction with the holding slots, eliminating the need for separate manual manipulation steps. Users can remove badges with one hand by simply activating the ejector.
Solution Approach 2:
The ejector mechanism is designed to be activated by the user's natural interaction with the holder, such as pressing a button or moving a lever, which automatically performs the badge ejection function. This self-service mechanism reduces operational complexity by eliminating the need for complex two-handed coordination.
4Ease of operation
If existing ejector systems are implemented, then badge removal is possible, but the assembly is complicated and only provides ability to remove single badge or all badges
Solution Approach 1:
The badge holder includes multiple independent ejectors, each associated with a specific holding slot. Each ejector can be independently activated to remove a single badge from its designated slot, providing selective removal capability. This segmented approach simplifies assembly compared to complex single mechanisms while enabling individual badge management.
Solution Approach 2:
The ejector mechanism is designed with universal applicability across multiple badges. Each ejector follows the same design pattern and can be replicated for different slots, allowing the system to handle multiple badges with identical simple components rather than requiring complex specialized mechanisms for each badge.
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 easy, one-handed removal of badges without deforming the holder, prevents foreign matter entry, and allows for selective ejection of individual badges, enhancing user convenience and durability.
Implementation Method 1
A first ejector has a first arm, a first proximal end and a first distal end. The first proximal end is rotatably coupled to at least one of the front piece and the back piece. The first ejector is configured to rotate such that the first arm of the first distal end forces at least a portion of the badge out of the holding slot.
Data Source
AI summary
A badge holder for holding a badge includes a front piece and a back piece opposite the front piece. The back piece is coupled to the front piece to provide a holding slot for the badge. A first ejector has a proximal end and a distal end. The proximal end is rotatably coupled to at least one of the front piece and the back piece. The first ejector is configured to rotate such that the distal end forces at least a portion of the badge out of the holding slot.