Receipt Printer Integrated into POS Stand
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Solution Overview
Problem
Traditional retail point of sale (POS) systems experience wire clutter and space inefficiency due to separate housings of components like receipt printers, which can be addressed by integrating a vertically orientated receipt printer within the stand of the POS system.
Innovation Solution
A vertically orientated receipt printer is housed within the cylindrical stand of the POS system, with the paper roll supported on one end of its axis, allowing components like the roller, fluid ejection die, and cutting mechanism to be positioned along the interior circumference, reducing visible wire clutter and optimizing space.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If receipt printer and other components are housed separately, then each component can be maintained independently, but wire clutter increases and space utilization decreases
Solution Approach 1:
The patent combines the receipt printer, paper roll holder, and other POS components into a single integrated housing structure. The printer is positioned within the same housing that contains the paper supply mechanism, eliminating the need for separate component housings and reducing wire clutter between components.
Solution Approach 2:
The housing structure serves multiple functions simultaneously: it houses the receipt printer, contains the paper roll supply mechanism, provides structural support for the display, and manages wire routing. This multi-functional design reduces the number of separate components needed.
2Ease of repair
If receipt printer and other components are housed separately, then component maintenance is simplified, but display area space is wasted
Solution Approach 1:
The receipt printer is nested within the same housing that contains the paper supply mechanism. The printer is positioned in the vertical space above the paper roll holder, effectively utilizing the vertical dimension of the housing to accommodate multiple components without increasing the horizontal footprint.
Solution Approach 2:
The patent transitions from horizontal component arrangement to vertical stacking within the housing. The paper roll holder is positioned at the bottom while the printer is positioned above it, utilizing the vertical dimension to pack multiple components into a compact space that does not encroach on the display area.
3Volume of stationary object
If vertically orientated paper roll is used, then space utilization is improved, but component arrangement becomes more complex
Solution Approach 1:
The paper roll is positioned asymmetrically within the housing, with its axis offset from the centerline. This asymmetric positioning allows the paper roll to be vertically oriented while providing adequate clearance for the printer components and wire routing on one side of the housing.
Solution Approach 2:
A wire management system acts as an intermediary between the vertically oriented paper roll mechanism and the printer. The wires are routed through designated channels and conduits that navigate around the vertical paper roll, preventing tangling and simplifying the overall component arrangement.
Data Source
AI summary
In an example, a device includes a display, a stand, and a printing device. The stand is positioned beneath and supports the display, and has a cylindrical shape. The printing device is housed within the stand and includes a spindle, a roller, a fluid ejection die, and a cutting mechanism. The spindle supports a roll of paper. The roller unrolls the paper from the roll of paper. The fluid ejection die ejects fluid onto the paper as the paper unrolls from the roll of paper. The cutting mechanism severs a portion of the paper from the roll of paper.