Printing Fluid Cartridge Bracket Deformation Prevention
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Solution Overview
Problem
Ink cartridges with movable brackets face deformation issues during storage or transit, leading to reduced positional accuracy and smooth movement, which affects the alignment of ink supply and memory module contacts within the cartridge mounting unit.
Innovation Solution
A printing fluid cartridge design featuring a main body and a bracket that can move relative to each other, with a detachable restriction member to prevent deformation by ensuring the bracket remains in contact with the main body, maintaining precise alignment and accuracy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the bracket is made movable relative to the main body to enable alignment during mounting, then the ease of operation is improved, but the bracket may deform during storage or transit due to applied forces
Solution Approach 1:
The restriction member is attached to the bracket in advance before storage or transit. This preliminary action ensures that when forces are applied during storage or handling, the bracket is already constrained and cannot deform. The restriction member maintains the bracket's structural integrity throughout the storage period, and can be removed later when movement is needed for mounting operations.
Solution Approach 2:
The restriction member applies a counteracting force to prevent the bracket from deforming under applied loads during storage or transit. By being attached in advance, it creates a preliminary anti-action that opposes any deforming forces, maintaining the bracket's shape and positional accuracy until mounting time arrives.
2Manufacturing precision
If the restriction member is permanently fixed to prevent bracket movement, then the manufacturing precision is maintained, but the ease of operation during mounting is reduced
Solution Approach 1:
The restriction member is designed with detachable characteristics, allowing the system to dynamically switch between two states: constrained (when attached during storage) and movable (when detached during mounting). This dynamic design enables the bracket to maintain positional accuracy during storage while allowing smooth movement during mounting operations, resolving the contradiction between precision and operability.
Solution Approach 2:
The restriction member is designed as a separate, detachable component rather than a permanent fixture. This segmentation allows it to be attached when precision is needed (during storage) and removed when movement is needed (during mounting), providing flexibility to satisfy both contradictory requirements at different times in the product lifecycle.
Data Source
AI summary
In a printing fluid cartridge, a cartridge body has a printing fluid delivery unit provided on a first cartridge-body surface. A bracket has at least a first bracket wall confronting the first cartridge-body surface, and a second bracket wall extending continuously from the first bracket wall in a first direction. The bracket is capable of moving relative to the cartridge body in a direction along which the second bracket wall contacts and separates from the cartridge body. A restriction member is configured to be detachably mounted on the cartridge body and the bracket, and is configured to, when the restriction member is mounted on the cartridge body and the bracket, restrict relative movement between the cartridge body and the bracket, with the second bracket wall of the bracket in contact with the cartridge body.