Roll Dispensed Stock Container With Retractable Cutter
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Solution Overview
Problem
Current solutions for cutting roll-dispensed stock materials, such as paper and foil, are often large, bulky, and unsafe due to exposed cutting implements, and fail to securely dispense and cut these materials without causing tearing or bunching.
Innovation Solution
A roll-dispensed stock container with a built-in cutter assembly featuring a slidable cutter and elongated track, along with fixation strips and a retractable blade mechanism, which securely holds the stock in place and allows for clean cutting by maintaining tension on the material.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a cutter assembly with exposed blade is used to cut roll-dispensed stock, then cutting function is achieved, but user safety deteriorates
Solution Approach 1:
The blade is extracted from continuous exposure and retracted into a housing when not in use. The cutter assembly includes a housing that covers the blade, and the blade can be deployed only when needed for cutting, thereby separating the cutting function from constant exposure.
Solution Approach 2:
The blade transitions from a static exposed state to a dynamic retractable state. The cutter assembly allows the blade to be deployed and retracted as needed, changing its position dynamically to provide safety when not in use while maintaining cutting capability when required.
2Device complexity
If roll-dispensed stock is cut without fixation strips, then cutting simplicity is maintained, but material stability deteriorates causing tearing and bunching
Solution Approach 1:
Fixation strips are positioned in advance on the dispensing surface to grip the leading edge of the roll-dispensed stock. This preliminary fixation prevents the material from shifting or bunching during the cutting process, stabilizing it before the cut is made.
3Ease of operation
If roll-dispensed stock is dispensed without tension maintenance, then dispensing ease is improved, but cutting quality deteriorates
Solution Approach 1:
The fixation strips are positioned in advance to grip the material and maintain tension during dispensing. This preliminary tensioning ensures the material remains taut and stable when the cutting action occurs, improving cut quality without significantly complicating the dispensing process.
Data Source
AI summary
A roll-dispensed stock container is provided. The roll-dispensed stock container has a recessed cutting track and can be assembled by computer aided manufacturing processes.