Trap Door Mechanism for Card Shufflers
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Solution Overview
Problem
Existing card handling devices in casinos face challenges in ensuring card security, randomization, and efficiency, particularly in reducing the complexity and cost associated with horizontal transport mechanisms used for shuffling and dispensing cards.
Innovation Solution
A card shuffling device incorporating a trap door mechanism that moves cards from a horizontal to a vertical position for shuffling and back, eliminating the need for horizontal transport mechanisms, and is coordinated with a sweeper arm for efficient card handling and dispensing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If horizontal transport mechanisms are used for card shuffling and dispensing, then card handling functionality is achieved, but device complexity and cost increase
Solution Approach 1:
The patent transitions card transport from horizontal movement to vertical movement by implementing a trap door mechanism that drops cards from a horizontal receiving area into a vertical shuffling compartment. This dimensional change eliminates the need for complex horizontal transport mechanisms while maintaining effective card handling functionality.
Solution Approach 2:
Instead of moving cards horizontally through complex transport mechanisms, the invention inverts the approach by using gravity-assisted vertical dropping through a trap door. This inversion simplifies the mechanism while achieving the same card handling objective.
2Device complexity
If manual card processing is used, then device complexity is reduced, but card security and shuffling effectiveness deteriorate
Solution Approach 1:
The patent extracts the essential card handling function from complex horizontal transport mechanisms and implements it through a simple trap door mechanism. This extraction maintains minimal device complexity while ensuring card security through automated controlled access from the receiving area to the shuffling compartment.
Solution Approach 2:
The trap door mechanism utilizes gravity to automatically transport cards from the horizontal receiving area to the vertical shuffling compartment without requiring additional motors or complex actuation systems. This self-service approach maintains simplicity while ensuring reliable automated card handling.
3Productivity
If automated card handling is implemented, then shuffling speed and randomization are improved, but device complexity increases
Solution Approach 1:
The patent achieves rapid automated card handling by transitioning to vertical card transport through the trap door mechanism. This dimensional change allows cards to be quickly dropped into the shuffling compartment using gravity, eliminating the time-consuming horizontal transport while maintaining shuffling speed and randomization effectiveness.
Solution Approach 2:
The invention replaces complex motorized horizontal transport mechanisms with a gravity-based vertical dropping system. This substitution maintains automated card handling speed and effectiveness while dramatically reducing mechanical complexity.
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 trap door mechanism simplifies the card handling process, reduces device complexity and cost, while ensuring thorough shuffling and secure card handling, enhancing the speed and ease of use in casino environments.
Implementation Method 1
a trap door mechanism that moves cards from a horizontal to a vertical position for shuffling and back
Data Source
AI summary
A card shuffler or other card handling apparatus defines a card receiving and/or dispensing area that accepts cards. The card shuffler also includes a shuffling compartment. A trap door is provided to transport the cards from the receiving and/or dispensing area to the shuffling compartment.