Ink Tank Access Structure for Sliding Recording Body

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Solution Overview

Problem

Existing recording apparatuses lack enhanced operability, particularly in terms of user-friendly design and functionality for liquid container and waste liquid container attachment and exposure during position changes.

Innovation Solution

The recording apparatus features a body that can change positions between closed and open states in a direction intersecting with the vertical axis, with liquid and waste liquid containers accessible when open, and includes a housing that supports these positions, allowing for easy access and attachment of liquid and waste containers.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If the body is housed inside the housing at all times, then the apparatus maintains a compact closed structure, but the liquid container and waste liquid container are not accessible to users

Engineering Contradiction:
ImproveAccessibility to liquid container and waste liquid containerVSAvoidPosition change mechanism
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The body is designed to be movable between a housed position and an exposed position along the width direction. This dynamic configuration allows the liquid container portion and waste liquid container portion to be accessible when the body is in the exposed position, while maintaining a compact structure when housed. The movable body resolves the contradiction by providing accessibility only when needed rather than requiring permanent exposure.

Inventive Principle:
Principle #15Dynamics

2Ease of operation

If the body is made movable in the width direction, then the liquid container and waste liquid container become accessible, but the structural complexity increases

Engineering Contradiction:
ImproveUser access to containersVSAvoidHousing and body structure
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The apparatus is divided into distinct functional portions: a housing that remains stationary and a body that can move independently. The body contains the liquid container portion and waste liquid container portion as separate segments that can be exposed or housed. This segmentation allows the movable components to be accessed when needed while the stationary housing maintains overall structural integrity, resolving the complexity issue.

Inventive Principle:
Principle #1Segmentation

3Ease of operation

If the liquid inlet is covered when closed, then the apparatus maintains a sealed structure, but users cannot easily refill the liquid container

Engineering Contradiction:
ImproveLiquid refilling accessibilityVSAvoidSealing integrity
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The liquid inlet is configured to be exposed when the body moves to the exposed position, allowing users to refill the liquid container. When the body is in the housed position, the liquid inlet is covered by the housing, maintaining sealing integrity. This dynamic exposure and coverage of the liquid inlet resolves the contradiction between refilling accessibility and sealing integrity.

Inventive Principle:
Principle #15Dynamics

Data Source

PatentUS12521991B2Recording apparatus
Publication Date: 2026.01.13 SEIKO EPSON CORP
  • US12521991B2 patent drawing
  • US12521991B2 patent drawing
  • US12521991B2 patent drawing

AI summary

A recording apparatus includes a recording portion, a liquid container portion containing a liquid to be supplied to the recording portion, a body in which the recording portion and the liquid container portion are mounted, and a housing that houses the body. The body can be changed in position between a closed position and an open position in a position-change direction intersecting with a vertical direction. The body, when located at the closed position, is housed inside the housing. The body, when located at the open position, protrudes from the housing in a first position-change direction of the position-change direction. The liquid container portion includes a container space containing the liquid to be supplied to the recording portion, and a liquid inlet through which the liquid can be poured into the container space. The liquid inlet is exposed when the body is located at the open position.