Lottery Printer Edge Folding and Cover Mechanism
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Solution Overview
Problem
Existing printing apparatuses face challenges in arranging printed documents neatly on top of each other, ensuring stability, especially for longer documents, and minimizing manual handling and apparatus dimensions, while also being cost-effective and simple in construction.
Innovation Solution
A printing apparatus with a cutting device and a shifting mechanism that folds the edges of printed documents sideways over protrusions, using elasticity and a movable wall to secure them in a stacking position, and includes a cover to prevent documents from falling, with a programmable controller for automated operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If documents are stacked in a stacking zone without additional retaining structures, then the apparatus dimensions can be reduced, but the documents may fall from the stacking zone especially for longer documents
Solution Approach 1:
The patent introduces a cover that moves between a first position (allowing document insertion) and a second position (covering the stacking zone). This adds a temporal/dimensional dimension to the retaining mechanism, allowing the apparatus to maintain small dimensions while preventing document fall through sequential positioning in time rather than adding permanent structural volume.
Solution Approach 2:
The cover is designed to be movable between two positions rather than being a fixed structure. This dynamic element allows the system to adapt its configuration - open for document deposition, closed for stability - resolving the contradiction between compact dimensions and document retention without requiring a permanently larger structure.
2Stability of the object's composition
If a cover is added to contain the stacking zone and prevent documents from falling, then document stability is improved, but the apparatus dimensions and complexity increase
Solution Approach 1:
The cover utilizes vertical movement (first position to second position) to provide document retention functionality. By employing the vertical dimension for the cover's motion rather than expanding the horizontal footprint, the apparatus maintains compact dimensions while achieving the stability function.
Solution Approach 2:
The cover is positioned in the first position before documents are stacked, allowing easy access for document insertion. After documents are deposited, the cover moves to the second position to secure them. This preliminary positioning enables the system to provide stability without requiring a permanently larger or more complex structure.
3Productivity
If manual operations are used to handle and stack documents, then the apparatus construction can be simple, but productivity and automation level are reduced
Solution Approach 1:
The shifting device automatically performs the stacking function by moving documents from the cutting position to the stacking zone without manual intervention. The system serves itself by incorporating this automated mechanism, achieving high-speed stacking while maintaining relatively simple construction through the use of a straightforward mechanical shifting device rather than complex automated systems.
Solution Approach 2:
The shifting device serves multiple functions: it transports documents, facilitates stacking, and works in coordination with the cover mechanism. This multi-functionality allows a single device to achieve high productivity without requiring multiple separate complex components, thus maintaining construction simplicity while improving stacking speed.
4Ease of operation
If the stacking zone is left open for easy document access, then ease of operation is improved, but documents may fall and stability is reduced
Solution Approach 1:
The cover dynamically transitions between an open position (first position) that allows easy document access and a closed position (second position) that provides stability. This dynamic behavior enables the system to adapt to different operational phases - open during document deposition, closed during storage - resolving the contradiction between accessibility and stability.
Solution Approach 2:
The cover operates periodically, moving to the first position for document access and then to the second position for stability. This periodic action between two states allows the system to provide both ease of operation and document stability at different times in the operational cycle, eliminating the need to choose one over the other.
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
Enables high-speed stacking of documents in an orderly manner, ensures stability, reduces manual handling, and minimizes apparatus size while maintaining cost-effectiveness and simplicity.
Implementation Method 1
by passing above at least one protrusion, undergoes folding of at least one edge that, after the protrusion is passed, returns to a normal position owing to the elasticity of the paper
Data Source
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AI summary
An apparatus and a printing method for lottery or betting terminals are disclosed, wherein a printed document is severed from a continuous strip of paper and then moved sideways to a document slacking zone according to a direction mat is transverse to the document, which, by passing above two lateral protrusions, undergoes the folding of two lateral edges that, after passing over the protrusions, return to a normal position owing to the elasticity of the paper.