Tape Printing Apparatus Cutter Restricting Portion
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Solution Overview
Problem
Existing tape printing apparatuses face challenges in restraining the tape-like member from moving during half-cutting operations, leading to potential gaps in printed images and reduced print quality.
Innovation Solution
Incorporating a cutter restricting portion with upstream and downstream-side restricting portions to prevent the cutting blade from moving in the feeding direction, ensuring the tape-like member remains stationary during half-cutting, even when forces are applied, and utilizing a printhead and roller drive system to maintain tape alignment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the cutting blade is allowed to move freely during half-cutting, then the cutting operation can be completed, but the tape-like member moves in the feeding direction causing gaps in printed images
Solution Approach 1:
The patent introduces a blade receiving member as an intermediary component between the cutting blade and the tape-like member. This member includes restricting portions that prevent the cutting blade from moving in the feeding direction during half-cutting, thereby eliminating the harmful effect of tape displacement while allowing the cutting operation to proceed normally
2Productivity
If the tape discharge roller rotates during half-cutting, then the tape can be discharged, but the cutting blade drags the tape-like member causing movement
Solution Approach 1:
The patent applies preliminary anti-action by providing restricting portions on the blade receiving member that prevent the cutting blade from moving in the feeding direction before such movement can occur. This preliminary restriction counteracts the potential harmful effect of blade-induced tape movement, allowing the tape discharge roller to rotate without causing tape displacement
Data Source
AI summary
A tape printing apparatus includes: a feed unit configured to feed a tape-like member having a printing tape to be printed and a release tape adhered to the printing tape; a half cutter having a cutting blade configured to cut into the tape-like member and a blade receiving member configured to receive the cutting blade cut into the tape-like member, and configured to cut one of the printing tape and the release tape in a width direction; and a downstream-side restricting portion provided on the downstream side of the feeding direction of the tape-like member, and configured to restrict the movement of the cutting blade cutting into the tape-like member in the downstream side of the feeding direction of the cutting blade.