Removable Printhead Assembly With Recessed Grip for Fast Replacement
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Solution Overview
Problem
Existing food product scales with printhead units face challenges in facilitating easy and efficient sliding installation and removal of the printhead unit for maintenance or replacement.
Innovation Solution
A printhead unit system with a carrier component and a gripping region defined by an upwardly extending recess, bounded by a pull wall, facilitates easy sliding engagement and removal, enhancing user manipulation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the printhead unit is designed with a sliding engagement mechanism for easy installation and removal, then the ease of operation is improved, but the device complexity increases due to the need for carrier components and gripping regions
Solution Approach 1:
The printhead assembly is divided into separate components: a carrier component that remains in the printer and a removable printhead unit. This segmentation allows the printhead unit to be easily detached and replaced without affecting the main assembly structure, resolving the contradiction by making maintenance simple while keeping the overall system organized.
Solution Approach 2:
The carrier component acts as an intermediary between the printer body and the printhead unit. It provides the sliding engagement mechanism and gripping regions, facilitating easy installation and removal of the printhead unit while maintaining a relatively simple overall structure. The carrier mediates the interaction between the user and the printhead unit.
2Reliability
If the printhead unit includes additional components like heatsink and printed circuit board held by cover member, then the reliability is improved, but the ease of manufacture decreases due to increased assembly steps
Solution Approach 1:
The heatsink, printed circuit board, and other components are merged into a single integrated printhead unit that is held together by the cover member. This consolidation ensures that all critical components are properly positioned and secured, improving reliability while simplifying the manufacturing process by treating the unit as a complete assembly that can be manufactured and tested as one entity before installation.
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
The solution simplifies the process of installing and removing the printhead unit, making it easier for users to perform maintenance or replacements, thereby improving operational efficiency.
Implementation Method 1
a heatsink for transferring heat from the printhead component
Data Source
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AI summary
A printer includes a media path along which a media is movable, and a printhead assembly positioned along the media path at a first side of the media path, wherein the printhead assembly includes a carrier component and a printhead unit, wherein the printhead unit is slidably engageable with the carrier component to facilitate install and removal of the printhead unit in the printer. The printhead unit comprises a removal side that includes a gripping region, wherein the gripping region is defined by an upwardly extending recess on a bottom side of the printhead unit, wherein the upwardly extending recess is bounded on the removal side by a pull wall.