Removable Blade Holder for Label Printer Maintenance

Solution Overview

Problem

Existing label printing apparatuses often require complex mechanisms for handling ink ribbons and image receiving tapes, with limited user-friendly solutions for blade replacement and maintenance, particularly in stand-alone printers that need to operate independently.

Innovation Solution

A printing device with a removable blade holder and drive mechanism that allows for easy insertion and removal of blades, utilizing a snap-fitting mechanism and gear train for efficient cutting operations, enabling simple maintenance and user-friendly operation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a complex mechanism is used for handling ink ribbons and image receiving tapes, then the printing apparatus can perform all necessary functions, but the ease of maintenance and user operation deteriorates

Engineering Contradiction:

Improveprinting apparatus functionalityVSAvoidblade replacement ease

Core Design Contradiction:

Adaptability or versatilityVSEase of operation

Solution Approach 1:

The cutting mechanism is segmented into a removable blade holder unit that can be separated from the main printing apparatus. This allows the blade to be replaced independently without disassembling the entire printing mechanism, thereby improving maintenance ease while preserving full printing functionality through the modular design.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The blade holder is extracted as a separate, removable component from the printing apparatus. Users can remove the blade holder to replace or clean the blade without affecting the rest of the printing mechanism, thus maintaining versatility while significantly improving operational ease and maintenance accessibility.

Inventive Principle:

Principle #2Taking out (Extraction)

2Adaptability or versatility

If a complex mechanism is used for handling ink ribbons and image receiving tapes, then the printing apparatus can perform all necessary functions, but the ease of repair deteriorates

Engineering Contradiction:

Improveprinting apparatus functionalityVSAvoidblade maintenance ease

Core Design Contradiction:

Adaptability or versatilityVSEase of repair

Solution Approach 1:

The cutting mechanism is segmented into a removable blade holder unit that can be separated from the main printing apparatus. This allows the blade to be replaced independently without disassembling the entire printing mechanism, thereby improving maintenance ease while preserving full printing functionality through the modular design.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The blade holder is extracted as a separate, removable component from the printing apparatus. Users can remove the blade holder to replace or clean the blade without affecting the rest of the printing mechanism, thus maintaining versatility while significantly improving operational ease and maintenance accessibility.

Inventive Principle:

Principle #2Taking out (Extraction)

3Ease of repair

If a removable blade holder mechanism is implemented, then the ease of maintenance improves, but the device complexity increases

Engineering Contradiction:

Improveblade replacement easeVSAvoidmechanism complexity

Core Design Contradiction:

Ease of repairVSDevice complexity

Solution Approach 1:

The cutting mechanism is segmented into a removable blade holder unit that can be separated from the main printing apparatus. This allows the blade to be replaced independently without disassembling the entire printing mechanism, thereby improving maintenance ease while preserving full printing functionality through the modular design.

Inventive Principle:

Principle #1Segmentation

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

Enhances user accessibility and ease of maintenance by allowing straightforward replacement and cleaning of blades, improving the operational efficiency and reliability of stand-alone label printers.

Implementation Method 1

said drive member and engaging portion are configured to permit said blade holder to be inserted in said printing device when said blade holder is moved in a direction of insertion, and to permit said blade holder to be removed from said printing device when said blade holder is moved in a direction of removal

Methodology Applied

Scientific EffectMechanical engagement: Mechanical Fastener

Implementation Method 2

enabling simple maintenance and user-friendly operation

Methodology Applied

Scientific EffectGear mechanism: Gear

Data Source

PatentUS9409424B2Printing apparatus

Publication Date: 2016.08.09 SANFORD LP

AI summary

A printing device comprising: a housing; a printing mechanism; a receiving portion for receiving a supply of image receiving medium; a cutting mechanism for cutting the image receiving medium; a drive mechanism for driving the cutting mechanism during a cutting operation; wherein the cutting mechanism comprises a blade holder removably attachable in the printing device; and said drive mechanism comprises at least one of a drive member or engaging portion for engaging with a respective other of at least one drive member or engaging portion of said blade holder; wherein said drive member is configured to be received in said engaging portion when said blade holder is in the printing device, and wherein said drive member and engaging portion are configured to permit said blade holder to be inserted in said printing device when said blade holder is moved in a direction of insertion, and to permit said blade holder to be removed from said printing device when said blade holder is moved in a direction of removal.