Printer Card Loader with Movable Drive Mechanism
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Solution Overview
Problem
Existing printer/card charger assemblies are bulky due to the size requirements for card handling operations, making them large and inefficient, especially when multiple card feeders are used.
Innovation Solution
Implementing movable drive devices, such as rollers, that occupy spaces during card transfer operations, allowing the printer to utilize these spaces for handling cards, thereby reducing the overall size of the printer/card feeder assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the card feeder and output tray are positioned adjacent to the printer for card handling operations, then the printer can perform card manipulation operations, but the overall footprint of the printer/card feeder assembly becomes large
Solution Approach 1:
The drive devices are made movable between a transfer position (for card transfer from loading device to printer) and a retracted position (out of the way during printer operations). This dynamic positioning allows the printer to use the space occupied by the drive devices during card manipulation, reducing the overall footprint while maintaining full card handling capability
Solution Approach 2:
The card feeder system is divided into separate functional modules: loading devices, movable drive devices, and the printer. The drive devices can be independently positioned between transfer and retracted locations, allowing spatial separation of functions that reduces the overall assembly footprint
2Adaptability or versatility
If multiple card feeders are used to supply cards to the printer, then the printer can handle multiple card decks, but the bulk and size of the printer/card feeder assembly increases
Solution Approach 1:
The movable drive devices serve multiple functions: they transfer cards from either the first or second loading device to the printer, and they can be retracted to allow the printer to perform operations. This multi-functionality allows multiple card decks to be supported without proportionally increasing the assembly bulk
Solution Approach 2:
The drive devices are positioned in three-dimensional space such that they can occupy different positions (transfer position and retracted position) along the card transfer path. This spatial arrangement in multiple dimensions allows multiple loading devices to share the same physical envelope, reducing overall assembly bulk
3Reliability
If the drive devices remain stationary during card transfer, then the card transfer path is stable, but the printer cannot utilize the space occupied by the drive devices for card manipulation operations
Solution Approach 1:
The drive devices are designed to be movable rather than stationary, allowing them to be positioned in a transfer location during card transfer operations (providing stability when needed) and retracted to a different location during printer operations (freeing up space when needed). This dynamic positioning resolves the contradiction between stability and space utilization
Data Source
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AI summary
A card loader is intended to be fixed to a printer (23), the loader comprising at least one loading device intended to hold at least one card to be printed, and at least one driving device (16; 19). Each driving device (16; 19) transfers the cards to be printed from a loading device to the printer (23). At least one driving device (16; 19) is able to move in order to allow the printer (23), or one said loading device, to use, in order to manipulate a card, a space which is occupied by said driving device(s) (16; 19) when said driving device(s) (16; 19) is/are transferring a card to be printed to the printer.