Inkjet Head Mounting Mechanism with Integrated Guide Lever
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Solution Overview
Problem
Existing recording apparatus designs face challenges in providing an inexpensive and simple head mounting mechanism without increasing the size and cost, particularly in inkjet recording systems where head replacement methods either require a large opening for upper insertion or additional width for front insertion, leading to operational inefficiencies and increased costs.
Innovation Solution
A movable carriage unit with a fixing member and operation portion that allows for easy head attachment and detachment, using a guide mechanism to position the head correctly, eliminating the need for external supporting members and reducing apparatus size and cost.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the head is inserted from the upper portion of the carriage, then the head can be mounted on the carriage, but a wide opening portion is required which increases the whole size of the apparatus
Solution Approach 1:
The patent changes the insertion direction from vertical (upper portion) to horizontal (front side), utilizing a different spatial dimension for head mounting. This allows the head to be inserted from the front of the carriage rather than from above, eliminating the need for a wide opening portion and reducing the overall apparatus size while maintaining ease of operation
2Ease of operation
If the head is inserted from the front of the carriage, then the operability is improved, but a supporting base must be provided outside the operating range which increases the costs and the width of the apparatus body
Solution Approach 1:
The patent merges the guide function and supporting base function into the carriage structure itself. The guide member is integrated as part of the carriage assembly, eliminating the need for separate external supporting bases. This integration reduces the number of components, lowers costs, and eliminates the need for additional width in the apparatus body while maintaining front-side insertion operability
Data Source
AI summary
A movable carriage unit on which a head for discharging ink is mountable includes a fixing member movable between a fixing position for fixing the head to a mounting position and a releasing position for releasing the fixation of the head, and a moving unit including an operation portion. The moving unit is configured to move the fixing member from the fixing position to the releasing position. A guide configured to guide the head to the mounting position when the fixing member is moved to the releasing position by an operation of the operation portion is formed on the operation portion.