Tubular Display Support for Arbitrary Orientation
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Solution Overview
Problem
POS terminal devices with customer display units often require the display screen to be adjustable to face in directions opposite to the usual customer side, but achieving a 360-degree rotation range is costly and configurationally challenging.
Innovation Solution
A display device configuration featuring a tubular support column and a removable tubular support base allows the display unit to be faced in arbitrary directions, effectively mimicking a 360-degree rotation by combining limited rotation ranges about the support column and support base, enabling the screen to be oriented towards multiple angles.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the display unit is configured to be rotatable by 360 degrees or more to face in arbitrary directions, then the adaptability is improved, but the device complexity and cost increase
Solution Approach 1:
The rotation mechanism is divided into two independent segments: the display unit rotates relative to the support column within a limited range, and the support column rotates relative to the support base within a limited range. Each segment performs a partial rotation function, and their combined effect achieves the overall adaptability equivalent to 360-degree rotation, thereby reducing the complexity of each individual segment.
Solution Approach 2:
The patent combines two limited rotation mechanisms (display unit relative to support column, and support column relative to support base) to achieve the functional effect of a single 360-degree rotation mechanism. By merging these two simpler rotation stages, the system attains the adaptability of facing in arbitrary directions without requiring a complex single-stage 360-degree rotation structure.
2Adaptability or versatility
If the display unit is configured to be rotatable by 360 degrees or more to face in arbitrary directions, then the adaptability is improved, but the cost increases
Solution Approach 1:
The rotation function is segmented into two independent rotation mechanisms, each with a limited rotation range. This segmentation allows each mechanism to be manufactured with simpler structures and lower costs compared to a single 360-degree rotation mechanism, while the combined system achieves the required adaptability.
Solution Approach 2:
By merging two cost-effective limited rotation mechanisms, the patent achieves the functional equivalent of an expensive 360-degree rotation mechanism. This approach reduces overall manufacturing cost while maintaining the adaptability to face in arbitrary directions.
Data Source
AI summary
The display device includes a display unit including a screen configured to display information; a support column having a tubular shape and being configured to support the display unit at a top end portion of the support column; and a support base configured to support the support column and including a tubular portion that is insertable into and removable from a bottom end portion of the support column. The display device is configured such that the support column is reinserted into the tubular portion of the support base, to thereby enable the screen of the display unit to be faced at a plurality of angles having a tubular axis of the tubular portion as a center.