Card Holder With Variable Load Press for Credential Feeding
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Solution Overview
Problem
Conventional reverse-image credential printing devices are large, cumbersome, and complex, with inefficiencies in substrate feeding that often result in misfeeding, necessitating improvements in the process from a substrate holder to a substrate hopper.
Innovation Solution
A credential production device featuring a card holder with a housing and card press that applies a load to the top card of a stack, and a card transport mechanism to feed the bottom card along a substrate feed path, with a card processing device in line to perform processes like printing, laminating, or encoding, while maintaining a compact design by locating production components below the substrate feed path.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional substrate feeding mechanisms are used in credential production devices, then the device can process credential substrates, but the device becomes large, cumbersome, and complicated with misfeeding issues
Solution Approach 1:
The card holder is divided into distinct functional components: a base for support, a card press for applying load, and a card transport mechanism for feeding. This segmentation allows each component to be optimized independently, reducing overall complexity while maintaining feeding efficiency.
Solution Approach 2:
Instead of having the card transport mechanism pull cards from the top of the stack, the invention feeds cards from the bottom of the stack upward. This inverted approach, combined with the card press applying downward load, eliminates misfeeding issues and reduces the need for complex alignment mechanisms.
2Reliability
If a card press applies load to the stack of cards, then feeding reliability improves, but the device structure becomes more complex
Solution Approach 1:
The card press is designed to automatically apply the necessary load to the card stack during the feeding process. The mechanism self-regulates the pressure applied to maintain reliable feeding without requiring external control systems or complex adjustment mechanisms.
Solution Approach 2:
The card press functionality is integrated directly into the card holder structure, combining the support base and pressing mechanism into a single unified component. This merging reduces the number of separate parts and simplifies the overall device structure while maintaining feeding reliability.
3Volume of moving object
If production components are located below the substrate feed path, then the device becomes more compact, but the substrate feed path configuration becomes more complex
Solution Approach 1:
The invention utilizes vertical space by positioning production components below the horizontal substrate feed path. This three-dimensional arrangement allows the feed path to remain simple and linear while accommodating additional functionality in the vertical dimension, achieving compactness without complicating the feed path configuration.
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 enhances the efficiency of substrate feeding, reduces the risk of misfeeding, and simplifies the substrate feed path, making the device more compact and efficient in operation, allowing for effective processing of credential substrates.
Implementation Method 1
The card press is configured to apply a load to a top card of a stack of cards supported above the base. The load includes a perpendicular load component oriented perpendicularly to the base and having a magnitude that increases as a thickness of the stack of cards decreases.
Data Source
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AI summary
A credential production device (100, 200) is provided. The credential production device (100) includes a card holder (104, 204, 304, 404). The card holder includes a housing (485) having a base (486) and a card press (488). The card press (488) is configured to apply a load to a top card (487) of a stack of cards (476) supported above the base (486). The load includes a perpendicular load component (493, 494) oriented perpendicularly to the base (486) and having a magnitude that increases as a thickness of the stack of cards (476) decreases.