Retractable Guide for Media Transport Module Stack Alignment
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Solution Overview
Problem
Ballistic stacking media transport modules often result in skewed or splayed media stacks due to the need for clamps that increase the shuttle's height and reduce control over media items, as existing solutions like slotted floors or ceilings compromise the ability to manage media across their entire length and width.
Innovation Solution
A retractable guide that extends during media stacking to guide items onto a carriage plate and retracts once the stack is formed, allowing the carriage to close without interference, using toothed belts and pulleys for precise movement and a dedicated drive mechanism for control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If a clamp is added to the shuttle to prevent stack skewing during transport, then stack stability is improved, but the shuttle height increases
Solution Approach 1:
The guide is designed to be movable rather than fixed, extending during stacking operations to guide media items and retracting during transport to allow carriage closure. This dynamic configuration resolves the contradiction by providing stack stability only when needed during stacking, while maintaining compact shuttle height during transport.
Solution Approach 2:
The guide is divided into multiple fingers that can independently extend and retract, allowing selective engagement with media items during stacking while maintaining a compact form factor during transport. This segmentation enables the guide to provide stabilization functionality without permanently increasing shuttle height.
2Adaptability or versatility
If slots are added to the floor or ceiling to allow media passage, then media transport capability is improved, but control over media items is reduced
Solution Approach 1:
The retractable guide acts as an intermediary element that temporarily occupies space during stacking to guide and control media items, then retracts to allow carriage closure. This mediator provides precise media control during stacking operations without permanently compromising the carriage's ability to close and transport media items.
3Manufacturing precision
If a retractable guide is added to guide media items during stacking, then stack quality is improved, but device complexity increases
Solution Approach 1:
The retractable guide is integrated with the existing transport system, using the same drive mechanism and space infrastructure to accomplish both media guidance during stacking and transport operations. This multi-functionality approach resolves the contradiction by making the guide mechanism serve multiple purposes within the existing system architecture.
Data Source
AI summary
A media transport module comprising: a transport extending from a pick coupling area to a stacking port; and a retractable guide. The retractable guide is moveable to extend beyond the stacking port when media items are being stacked and thereby guide media items ejected from the stacking port onto a carriage plate. The retractable guide is also moveable to retract to the stacking port when media items have been stacked so that the carriage plate can close without touching the retractable guide.