Alternating Support Units and Bridging Member for Stable Medium Stacking
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Solution Overview
Problem
Medium placement devices struggle to stack sheets efficiently, particularly when the medium is wound in a roll shape, as the leading edge tends to curl and hang down, causing jams due to buckling or getting caught in the discharge path.
Innovation Solution
A medium placement device with alternating support units and a bridging member that couples the discharge unit to the support surface, inclined downward in the discharge direction, prevents the leading edge from hanging down and being caught, allowing for stable stacking without electric power.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a medium wound in a roll shape is used, then the medium can be stored and transported efficiently, but the leading edge tends to curl and hang down causing jams
Solution Approach 1:
The bridging member is positioned in advance to support the leading edge of the medium before it reaches the discharge unit, preventing curling and hanging down before they can cause jams. This preliminary support action ensures reliable medium discharge and stacking efficiency.
2Ease of operation
If the leading edge of the medium is not properly supported, then the discharge path is simple, but the medium gets caught and jammed
Solution Approach 1:
The bridging member acts as an intermediary element between the discharge unit and the support surface. It provides intermediate support to the leading edge of the medium, preventing it from being caught in the discharge path while maintaining smooth discharge and reliable stacking.
3Device complexity
If support units are arranged at the same height, then the structure is simple, but the medium cannot be properly supported and alignment is poor
Solution Approach 1:
The support units are arranged at different heights (asymmetric arrangement) with the second support unit positioned lower than the first support unit. This asymmetric configuration creates a downward slope that properly supports the medium and improves alignment precision while maintaining structural simplicity.
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 enables efficient stacking of various medium types by preventing curling and jamming, ensuring the medium is properly supported and aligned, thus facilitating stable and efficient medium placement.
Implementation Method 1
a first support unit and a second support unit are provided in an alternating manner in the width direction, the second support unit being arranged at a position lower than the first support unit in the gravitational direction
Implementation Method 2
the plurality of support units and the bridging member extend in the discharge direction, and are inclined downward in the gravitational direction from upstream to downstream in the discharge direction
Data Source
AI summary
A medium placement device is configured to stack a plurality of sheets of a medium discharged from a discharge unit of a processing device. The medium placement device includes a plurality of support units being provided in a width direction intersecting with a discharge direction of the medium discharged from the discharge unit, and being configured to support the medium at a support surface from below in a gravitational direction. A first support unit and a second support unit are provided in an alternating manner in the width direction, the second support unit being arranged at a position lower than the first support unit in the gravitational direction when viewed in the width direction. The first support unit is provided with a bridging member configured to couple a lower side of the discharge unit in the gravitational direction and the support surface of the first support unit.