Label Producing Apparatus Guide Member for Variable Roll Widths
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Solution Overview
Problem
Existing label producing apparatuses struggle to reliably guide print-receiving tapes with varying roll widths and outer diameters, leading to instability in the feeding path and operational difficulties, especially with large rolls.
Innovation Solution
A label producing apparatus equipped with a guide member that can advance and retreat along the width direction of the roll, featuring a grasping part for easy operation and a feeding guide member on the feeding path to maintain a stable path regardless of roll diameter changes, allowing for the use of rolls with arbitrary widths and reducing environmental impact by eliminating the need for disposable guide members.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed guide member is provided to guide the width direction of the print-receiving tape, then the tape feeding path can be guided, but the apparatus cannot accommodate rolls of arbitrary widths and the guide member becomes difficult to operate with large rolls
Solution Approach 1:
The guide member is designed to be movable rather than fixed. It can advance and retreat along the width direction of the roll by engaging with groove parts on the roll housing part, allowing it to adapt to different roll widths while remaining operable through interaction with the operator's hand
2Adaptability or versatility
If disposable guide members are used for different roll widths, then various roll widths can be accommodated, but environmental waste increases
Solution Approach 1:
Instead of discarding guide members after use, the invention designs a reusable guide member that can be repositioned along the width direction by engaging with groove parts. This allows the same guide member to serve multiple rolls of different widths, eliminating waste
3Reliability
If the guide member covers the entire feeding path area, then the tape is guided from feed-out to curvature position, but the structure becomes complex and harder to operate
Solution Approach 1:
The guide member is divided into functional sections: a main body part that contacts the roll end face and an extended part that extends in the tape feed-out direction. The extended part engages with groove parts at specific positions, allowing the guide to be segmented into manageable sections that are easier to operate while maintaining guidance reliability
Data Source
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AI summary
A label producing apparatus (1) comprising: a roll housing part (4) for housing a roll (3) winding a print-receiving tape (3A) into a roll shape; a feeding roller (66) for feeding out and transporting the print-receiving tape (3A) from the roll (3) housed in the roll housing part (4); printing means (61) for printing desired print on the print-receiving tape (3A) fed out from the roll (3) by the feeding of the feeding roller (66); and guide means (20; 22A) for guiding the print-receiving tape (3A) fed out from the roll (3) housed in the roll housing part (4); characterized in that: the guide means comprises either a first guide part (22A) capable of guiding the roll (3) according to roll diameters of different sizes, or a second guide part (20) capable of guiding the roll (3) according to roll widths of different sizes.