Detachable Drive Adapter for Pin-Drive Toner Cartridge Compatibility
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Solution Overview
Problem
The universe of toner cartridges compatible with 'pin drive' laser printers is limited to cartridges with a specific mating part, restricting the use of other types of cartridges.
Innovation Solution
A detachable adapter that connects to the pin drive shaft of the printer and enables operative connection to different types of toner cartridges, allowing for rotation and expansion of compatible cartridges by using radially extending pins and a driver mechanism with an actuator to transmit rotation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a pin drive shaft with fixed configuration is used, then the structure is simple and reliable, but the compatibility with different types of toner cartridges is limited
Solution Approach 1:
The adapter incorporates a movable driver that can be positioned in different radial locations around the drive shaft. This dynamic repositioning capability allows the same adapter structure to accommodate different cartridge types by adjusting which radial position the driver engages with the cartridge's drive feature, thereby improving versatility without requiring multiple fixed-configuration adapters
Solution Approach 2:
The adapter serves as an intermediary component between the fixed pin drive shaft and various toner cartridges. It includes a driver that can be radially positioned to engage different cartridge types, acting as a flexible mediator that translates the fixed shaft output into multiple possible engagement configurations, thus enabling compatibility across different cartridge designs
2Adaptability or versatility
If multiple fixed configuration adapters are created for different cartridge types, then compatibility is improved, but device complexity and inventory requirements increase
Solution Approach 1:
Rather than creating multiple static adapter variants, the invention uses a single dynamic adapter where the driver can be positioned at different radial locations. This dynamic reconfiguration capability eliminates the need for multiple fixed-configuration adapters, reducing inventory complexity while maintaining broad cartridge compatibility
Solution Approach 2:
The adapter is designed as a universal component that can work with multiple cartridge types through the radially movable driver. This single multi-functional adapter replaces what would otherwise require multiple specialized adapters, simplifying the overall system while expanding compatibility
Data Source
AI summary
In one example, a detachable adapter to adapt a drive shaft on a printer to a drive mechanism on a toner cartridge and to transmit rotation of the drive shaft to the drive mechanism. The adapter includes a cylindrical part having a first end and a second end opposite the first end, the first end configured to detachably receive and engage an end of the drive shaft so that the part will rotate with the drive shaft when the part is attached to the drive shaft, and a driver mounted to or integral with the second end and configured to drivingly connect the part to the drive mechanism on the toner cartridge when the part is attached to the drive shaft and the toner cartridge is installed in the printer.