Reversible Developer Container Cap Design
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Solution Overview
Problem
The existing developer container caps are difficult to attach to the container body due to their orientation-dependent design, making the process cumbersome and time-consuming.
Innovation Solution
A cap design featuring a base with first and second cylindrical portions, and corresponding projecting portions that allow for reversible mounting, ensuring the cap can be oriented to face either end when sealing the filling port, facilitating easier attachment and preventing leakage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the cap is designed with a specific orientation for attachment, then the sealing function is ensured, but the attachment process becomes complex and time-consuming
Solution Approach 1:
The cap employs asymmetric cylindrical portions with different orientations (first and second cylindrical portions extending in opposite directions) combined with symmetric projecting portions that can engage with the container body from either orientation. This asymmetric-symmetric hybrid design ensures proper sealing while allowing flexible attachment orientation.
Solution Approach 2:
The cap is designed to perform the sealing function effectively regardless of which cylindrical portion is oriented toward the filling port. The projecting portions are configured to engage with the container body partition surface in both orientations, making the cap universally applicable without requiring precise orientation during attachment.
2Reliability
If the cap requires precise orientation for attachment, then the sealing effectiveness is improved, but the attachment time increases
Solution Approach 1:
The cap design allows dynamic orientation adjustment during attachment. The projecting portions can engage with the partition surface in multiple orientations, enabling the user to attach the cap in the most convenient orientation rather than being constrained by a single correct orientation, thus reducing attachment time while maintaining sealing effectiveness.
3Ease of manufacture
If the cap uses a simple structure, then the manufacturing is easier, but the attachment precision may be insufficient
Solution Approach 1:
The cap is segmented into distinct functional portions: a base, first and second cylindrical portions extending in opposite directions, and projecting portions that engage with the container body. This segmentation allows each portion to be optimized for its specific function while maintaining overall manufacturing simplicity and achieving precise attachment through the coordinated action of these segments.
Data Source
AI summary
In a cap for sealing a filling port formed in a developer container, a base is in the shape of a circular plate. A first cylindrical portion is in the shape of a cylinder extending from a peripheral portion of the base in a first direction. A second cylindrical portion is in the shape of a cylinder extending from the peripheral portion of the base in a second direction that is opposite to the first direction. A first projecting portion projects radially outwardly from an outer circumferential surface of the first cylindrical portion with a predetermined projecting amount. A second projecting portion projects radially outwardly from an outer circumferential surface of the second cylindrical portion with a projecting amount equal to the predetermined projecting amount of the first projecting portion.