Movable Electrical Connector Alignment Guide for Image Forming Devices
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Solution Overview
Problem
Image forming devices face challenges in accurately positioning electrical connectors of replaceable units, which is crucial for establishing a reliable communication link between the replaceable units and the image forming device, but existing solutions lack precise alignment mechanisms.
Innovation Solution
The image forming device incorporates a movable electrical connector and a guide on the replaceable unit that aligns the connectors during insertion, ensuring precise alignment and communication by pulling the connector away from its home position and toward the replaceable unit.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a fixed electrical connector is used in the image forming device, then the structure is simple and manufacturing is easier, but precise alignment with the replaceable unit's connector cannot be achieved
Solution Approach 1:
The electrical connector is designed to be movable rather than fixed, allowing it to change position dynamically. The connector can move between a retracted position (when no replaceable unit is present) and an extended position (when aligned with the replaceable unit's connector), enabling precise alignment while maintaining structural simplicity.
Solution Approach 2:
A guide structure acts as an intermediary mechanism between the replaceable unit and the fixed frame. The guide receives the replaceable unit and uses it to move the electrical connector to the correct position, mediating the interaction between the movable connector and the fixed mounting structure.
2Manufacturing precision
If the electrical connector is always extended to ensure alignment, then alignment precision is improved, but the connector is vulnerable to damage during insertion and removal of replaceable units
Solution Approach 1:
The connector dynamically adjusts its position based on the presence of a replaceable unit. It remains retracted during insertion and removal operations to avoid damage, then extends to the operative position when the replaceable unit is properly installed, ensuring both durability and alignment precision.
Solution Approach 2:
The connector is held in a retracted position as a preliminary protective measure before the replaceable unit is fully installed. This preliminary state prevents harmful contact or misalignment during the insertion process, and only after proper installation is the connector moved to the extended operative position.
3Reliability
If a movable electrical connector is used, then precise alignment and protection during insertion are achieved, but the device complexity increases
Solution Approach 1:
The guide structure serves multiple functions: it guides the replaceable unit during insertion, moves the electrical connector to the correct position, and ensures proper alignment. By making the guide multi-functional, the patent avoids adding separate components for each function, thereby limiting the increase in overall device complexity.
Solution Approach 2:
The guide and the electrical connector movement mechanism are combined into an integrated system. The guide structure is designed to directly interact with and move the connector, merging the guidance function and the connector positioning function into a single coordinated mechanism, reducing the number of separate components.
Data Source
AI summary
An image forming device according to one example embodiment includes a first electrical connector mounted on a frame of the image forming device. The first electrical connector is movable between a home position retracted against the frame and an operative position of the first electrical connector. A replaceable unit is removably installable in the image forming device along a direction of insertion of the replaceable unit into the image forming device. The replaceable unit includes a second electrical connector that is matable with the first electrical connector. The replaceable unit includes a guide on an exterior of the replaceable unit. Insertion of the replaceable unit into the image forming device along the direction of insertion causes the guide to move the first electrical connector from the home position to the operative position of the first electrical connector aligned with the second electrical connector of the replaceable unit.