Gravity-Driven Card Handling Device with Movable Floor
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Solution Overview
Problem
Existing card handling devices in vending machines are prone to mechanical failure, occupy significant space, and require complex drive assemblies, making them costly and unreliable, especially when handling contactless cards which do not need accurate physical alignment for communication.
Innovation Solution
A card handling device using a gravity-driven mechanism with a movable floor member and a control system to facilitate card movement, reducing the need for belts and motors, and incorporating a card communication module for contactless communication, allowing cards to be issued without reinsertion for data updates.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a complex drive assembly with belts and motors is used to move cards, then card movement control is achieved, but device complexity increases and mechanical failure risk increases
Solution Approach 1:
The patent removes the complex drive assembly (belts, motors, rollers) entirely from the card handling device. Instead, cards move through the device using gravity alone, sliding along inclined surfaces and through guided paths. This extraction of the mechanical drive system eliminates the source of mechanical failures while maintaining card transport functionality.
Solution Approach 2:
The patent replaces the mechanical drive system with a gravity-based passive transport mechanism. Cards are moved by gravitational force through carefully designed inclined planes and guided channels, eliminating motors, belts, and rollers. This substitution fundamentally changes the card transport mechanism from active mechanical propulsion to passive gravitational flow.
2Area of stationary object
If a drive assembly with motors and belts is used, then card positioning is achieved, but the device occupies significant space
Solution Approach 1:
The patent utilizes vertical space and gravitational potential energy to achieve card transport, rather than relying on horizontal mechanical drive components. By designing inclined surfaces and utilizing the vertical dimension, the device achieves compact horizontal footprint while maintaining effective card movement control through gravity-assisted transport along angled paths.
3Measurement precision
If accurate physical alignment is required for card communication, then data encoding precision is improved, but device complexity and space requirements increase
Solution Approach 1:
The patent replaces mechanical contact-based communication with contactless communication technology. Cards pass through the device without requiring precise physical alignment with terminals or contacts. Data encoding and reading are performed wirelessly, eliminating the need for complex alignment mechanisms and reducing device complexity while maintaining encoding accuracy.
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 reduces mechanical failures, saves space, and enhances reliability, allowing for smaller and more cost-effective card vending machines with improved design flexibility and user convenience for contactless cards.
Implementation Method 1
a card can slide along the floor member, under the influence of gravity, towards the exit aperture
Data Source
AI summary
A card handling device is provided comprising a housing having an entrance aperture through which a card can be delivered and an exit aperture from which the card can leave the housing, wherein the exit aperture is located lower than the entrance aperture. A floor member is provided within the housing, onto which a card is delivered after passing through the entrance aperture. The floor member is movable between a first orientation in which it extends towards the exit aperture such that a card can slide along the floor member, under the influence of gravity, towards the exit aperture, and a second orientation in which it extends away from said exit aperture so that in use a card can slide along the floor member under the influence of gravity away from the exit aperture. A control system is also provided for controlling movement of the floor member between the first orientation and the second orientation.