Pivoting Cover Prevents Protrusion in Printing Device
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Solution Overview
Problem
Conventional printing devices with opening and closing sections protrude outward when opened, increasing the footprint and space requirements.
Innovation Solution
A printing device design featuring a pivoting opening and closing section that moves above the housing when fully opened, with a top surface pivoting shaft and upper section cover positioned to face the bottom surface, preventing protrusion and maintaining a compact footprint.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the opening and closing section is opened to access the medium accommodation section, then the medium can be loaded and unloaded, but the opening and closing section protrudes outside the housing, increasing the footprint
Solution Approach 1:
The opening and closing section is designed to pivot around a top surface pivoting shaft, transitioning from a planar opening to a three-dimensional movement path. This allows the section to rotate upward and forward, utilizing vertical space rather than horizontal space, thereby preventing protrusion in the plan view while maintaining accessibility to the medium accommodation section
Solution Approach 2:
The opening and closing section is made dynamically movable through the pivoting mechanism. Instead of a fixed protruding structure, the section can rotate between a closed position (flush with housing) and an opened position (accessing the medium), allowing the housing to maintain a compact stationary footprint while providing operational access when needed
2Area of stationary object
If the opening and closing section is designed to pivot around a top surface pivoting shaft, then the footprint is maintained compact, but the upper section cover must be precisely positioned to face the bottom surface at full opening
Solution Approach 1:
The opening and closing section is divided into multiple segments: the upper section cover, the lower section cover, and the pivoting shaft. This segmentation allows each component to be independently designed and positioned, with the upper section cover specifically configured to face the bottom surface of the housing at full opening, simplifying the overall positioning requirement through modular design
Data Source
AI summary
The printing device includes a housing, wherein the housing includes a first surface, a second surface, and an opening and closing section, the opening and closing section is opened and closed by pivoting around a top surface pivoting shaft, which is along a top surface of the housing, forms at least a portion of the first surface and at least a portion of the top surface of the housing, and includes an upper section, the upper section cover is arranged at a position where it faces a bottom surface of the housing when the opening and closing section is at its most opened state within its pivotable range, and at a position where, in a plan view, the upper section cover does not protrude outward from the second surface when the opening and closing section is at its most opened state within its pivotable range.


