Printer Cassette Protrusion Design for Tab-Free Removal
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The existing printer designs for tape printing require a cassette with protruding tabs for attachment and detachment, leading to increased parts count and costs.
Innovation Solution
A printer design where the cassette is mounted with portions protruding outside the housing in a specific configuration, allowing for tab-free attachment and detachment, reducing the cassette's cost and minimizing interference with the print head.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a tab is added to the cassette for removal, then the cassette can be easily detached from the housing, but the parts count increases and cost increases
Solution Approach 1:
The cassette is designed to protrude from the housing in its mounted state, allowing the user to directly grasp and remove the cassette without requiring additional tabs or handles. The cassette's own structure serves as the removal interface, eliminating the need for separate attachment components.
2Ease of operation
If the cassette protrudes from the housing, then the cassette can be held and removed without a tab, but the cassette may interfere with the print head
Solution Approach 1:
The cassette is designed to protrude only in specific localized areas (front and rear portions) while maintaining proper alignment and positioning relative to the print head. This selective protrusion allows for easy grasping and removal while ensuring that the printing surfaces and critical components remain properly positioned without interference.
3Shape
If the cassette is mounted flush with the housing, then the appearance is clean and compact, but a tab is required for removal which increases cost
Solution Approach 1:
The cassette's own body serves as the removal interface by protruding slightly from the housing, eliminating the need for separate tabs or handles. This design maintains a clean appearance while providing built-in functionality for easy removal.
Data Source
AI summary
A printer includes a housing having a first surface having a cassette mounting opening, a print head extending toward the cassette mounting opening from an inside of the housing, a platen roller, and a printing cassette mountable on the housing by insertion to the cassette mounting opening in a first direction. The first surface has first and second areas both adjacent to the cassette mounting opening. The second area is opposite to the first area with respect to the cassette mounting opening in a second direction orthogonal to the first direction. The first and second areas are located upstream from the print head in a cassette mounting direction. In a state where the printing cassette is mounted on the housing, respective portions of the printing cassette adjacent to the first and second areas are located outside the housing beyond the first and second areas, respectively, in the first direction.