Asymmetric Key Features for Print Component Interfaces
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing print apparatuses face challenges in establishing a secure mechanical and electrical connection between print components and containers, leading to inconsistent material transfer and data transmission, due to poor interface design.
Innovation Solution
The implementation of a rotationally asymmetric key feature in the interface between print components and containers, which guides the container's rotation to establish a secure mechanical connection and facilitate material transfer, while also enabling electrical contact for data communication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional interface design is used between print components and containers, then the device complexity is reduced, but the reliability of mechanical and electrical connection deteriorates
Solution Approach 1:
The patent introduces a rotationally asymmetric key feature in the interface between print components and containers. This asymmetric design includes a key feature on the container that corresponds to a keyway on the print component, preventing improper rotation and ensuring consistent orientation. The asymmetry guarantees reliable mechanical engagement and consistent electrical contact while maintaining relatively simple interface structures.
2Manufacturing precision
If a secure mechanical connection is established through rotation guidance, then the material transfer consistency improves, but the ease of operation deteriorates
Solution Approach 1:
The rotationally asymmetric key feature guides the container into the correct rotational position during installation. The key feature and keyway interaction provides mechanical guidance that ensures consistent orientation, which in turn ensures consistent material transfer alignment. While it adds a rotational step, it prevents improper installation and ensures precision.
Solution Approach 2:
The asymmetric key feature automatically guides the container to the correct rotational position during the insertion process itself. The mechanical interaction between the key feature and keyway self-corrects the orientation, eliminating the need for separate alignment steps or complex adjustment mechanisms, thereby maintaining ease of operation while ensuring precision.
3Reliability
If electrical contacts are positioned for optimal data transmission, then the data communication reliability improves, but the device complexity increases
Solution Approach 1:
The rotationally asymmetric key feature ensures that electrical contacts are consistently positioned in the correct orientation during container installation. By preventing improper rotation through the asymmetric mechanical guidance, the electrical contacts automatically align for optimal data transmission without requiring complex electrical alignment mechanisms or multiple contact configurations.
Solution Approach 2:
The patent combines the mechanical orientation function and electrical contact alignment function into a single integrated interface design. The asymmetric key feature simultaneously performs mechanical guidance and ensures proper electrical contact orientation, eliminating the need for separate alignment mechanisms and reducing overall interface complexity while maintaining data transmission reliability.
Data Source
AI summary
An example print component includes a container interface with a guide feature to guide rotation and a rotationally asymmetric key feature. An example toner component includes a recess to receive a toner container, a guide feature to guide rotation of the toner container, and an asymmetric key feature embedded in the guide feature to guide a container material interface towards a component material interface upon rotation. An example container may have a periphery with a rotationally asymmetric surface plane to guide rotation of the container and a protrusion extending from the periphery that has a key feature defined by edges rotationally asymmetric with respect to the periphery. An example container may include a mechanical interface including an asymmetrically-located key feature that, upon rotation of the print material container, generates a sealing force substantially perpendicular to the direction of rotation.