Display Stand Tether Retraction With Transverse Spool Guidance
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Solution Overview
Problem
Existing display stands for portable articles at retail point-of-purchase locations face issues with tether retracting mechanisms that are prone to failure, leading to binding, unsightly displays, potential theft, and increased security concerns, making them commercially unfeasible and unreliable.
Innovation Solution
A display stand with a retracting mechanism featuring a spool and biasing assembly that guides the tether in a straight path, preventing binding and ensuring smooth operation, combined with a base design that allows for secure and aesthetically pleasing presentation of portable articles.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If traditional tether retracting mechanisms are adapted to fit within dimensional constraints of a base component, then the stand can maintain a compact size and controlled footprint, but the tether becomes prone to binding and the mechanism becomes unreliable
Solution Approach 1:
The patent reorients the spool axis from a vertical orientation to a horizontal orientation, perpendicular to the tether payout direction. This dimensional change allows the tether to be guided in a straight transverse path across the spool, preventing binding while maintaining a compact base footprint. The spool rotates horizontally rather than vertically, fundamentally changing the spatial arrangement.
Solution Approach 2:
The patent introduces a tether guide component as an intermediary element that directs the tether in a straight path transverse to the spool axis. This guide prevents the tether from binding on the spool by ensuring proper alignment and smooth payout, thereby improving reliability without increasing the base size.
2Reliability
If the tether is allowed to bind during retraction, then the mechanism may fail and allow theft, but preventing binding requires a more complex tether path
Solution Approach 1:
The patent applies local quality by creating a specific straight-line guidance path for the tether at the critical point where it contacts the spool. The tether guide provides localized control over the tether's trajectory, ensuring it moves smoothly in a transverse direction without binding, while the rest of the system remains relatively simple.
3Ease of manufacture
If the spool axis is oriented vertically, then the mechanism fits traditional base designs, but the tether binds during payout and retraction
Solution Approach 1:
The patent inverts the traditional vertical spool orientation by positioning the spool axis horizontally, perpendicular to the tether payout direction. This inversion fundamentally changes how the tether interacts with the spool, allowing smooth payout and retraction without binding, while still fitting within conventional base dimensional constraints.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution provides a reliable and secure way to reposition portable articles within a controlled range, reducing theft risks and maintaining a visually attractive display, thus protecting investment while allowing competitive pricing.
Implementation Method 1
The retracting mechanism has a biasing assembly that urges the spool to turn around the spool axis so as to retract the tether
Data Source
AI summary
A display stand for a portable article with a base having a bottom bearing portion and a support for a portable article. A retracting mechanism has a spool around which a flexible tether is wrapped. The spool has an axis around which the spool is turned as the tether is: a) paid out to allow a portable article to which the first end of the tether is connected to be moved away from the base; and b) retracted to shorten a paid out length of the tether. The retracting mechanism has a biasing assembly that urges the spool to turn around the spool axis so as to retract the tether. The tether is guided to be paid out from the spool generally in a straight path in a line, with the line of the straight path transverse to the spool axis.