Ink-jet Printer Cover Rib Prevents Cap Detachment
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Solution Overview
Problem
Inkjet printers face issues with ink leakage during transportation due to loose or detached caps at the inlet ports, especially when the devices are used or being repaired, leading to potential ink leakage due to inadequate sealing.
Innovation Solution
The design incorporates a cover with a ribbed inner surface that prevents the cap from detaching by abutting against it when the cover moves from an open to a closed position, ensuring the cap is properly sealed and preventing ink leakage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the cap is made detachable for ink refilling, then the ease of operation is improved, but the reliability deteriorates due to potential loosening or detachment during transportation
Solution Approach 1:
The rib on the cover performs preliminary action by abutting against the cap before the cover reaches the fully closed position, preventing the cap from detaching during transportation while still allowing users to remove the cover for refilling when needed
Solution Approach 2:
The rib acts as an intermediary element between the cover and the cap, providing a mechanical interface that secures the cap in place during normal operation and transportation, while allowing the cover to be opened for refilling
2Ease of operation
If the cap is left without installation or improperly installed, then the ease of operation is improved for quick access, but the reliability deteriorates due to ink leakage
Solution Approach 1:
The system provides feedback through the cover's ability to close only when the cap is properly installed. If the cap is missing or improperly installed, the rib prevents the cover from reaching the closed position, giving users immediate feedback that the cap needs to be correctly installed
Solution Approach 2:
The rib performs preliminary verification by checking cap installation status before allowing the cover to close, preventing ink leakage by ensuring proper sealing is in place before the cover is secured
Data Source
AI summary
There is provided an ink-jet printer including: an ink tank including an ink inlet; a cap; and a cover configured to be movable with respect to the ink inlet between a closed position and an open position. The cover includes an inner surface configured to face the ink inlet under a condition that the cover is in the closed position, and a rib provided at the inner surface. The rib is configured to face a part of the cap, in which the cap is sealed the ink inlet under the condition that the cover is in the closed position and the rib is configured to abut against the part of the cap under a condition that the cap is not appropriately sealed the inlet when the cover moving from the open position to the closed position, thereby the cover being prevented from reaching the closed position.