Retracting Member Skew Correction in Recording Material Transport
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Solution Overview
Problem
Existing recording-material transport systems face challenges in efficiently correcting skew without pausing the transport process, which affects productivity and accuracy.
Innovation Solution
A recording-material transport apparatus that includes a retracting member moving at a lower speed than the transport speed to contact and correct skew, followed by continuous transport using first and second transport members, ensuring accurate skew correction without pausing the material flow.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a retracting member is used to correct skew of recording material, then manufacturing precision is improved, but productivity deteriorates due to pausing the transport process
Solution Approach 1:
The retracting member is made movable along the transport path, allowing it to dynamically adjust its position. It moves to a contact position to correct skew, then retracts to allow continuous transport, resolving the contradiction between precision correction and continuous productivity
Solution Approach 2:
The retracting member moves to the contact position before the recording material arrives, performing preliminary positioning. This allows the material to be corrected for skew as it passes, without requiring pausing of the transport process
2Manufacturing precision
If the retracting member moves at lower speed to ensure contact accuracy, then manufacturing precision is improved, but productivity deteriorates due to slower overall transport
Solution Approach 1:
The system uses dynamic speed adjustment where the retracting member moves at lower speed only during the brief contact period for skew correction, while the first and second transport members maintain high speed for overall transport, resolving the speed-precision contradiction
Solution Approach 2:
The retracting member performs periodic contact at specific intervals along the transport path, moving slowly only when contact is needed for correction, while maintaining fast transport speed during non-contact periods
Data Source
AI summary
A recording-material transport apparatus includes a retracting member that moves at a speed lower than a transport speed of a recording material transported from an upstream side in a transport direction, to a downstream side in the transport direction along a transport path for the recording material, and that retracts from the transport path after a leading end of the recording material contacts with the retracting member, a first transport member that transports the recording material from the upstream side in the transport direction toward the retracting member, and a second transport member that further transports the recording material in contact with the retracting member to the downstream side. After the leading end of the recording material contacts with the retracting member, without being paused, transport of the recording material with the first transport member is continued to deliver the recording material to the second transport member.