Adjustable Bumper for Printer Module Alignment
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Solution Overview
Problem
Large format printer modules, due to their heavy weight, often face alignment challenges with printers, leading to potential deformation and issues like media skew and jams, especially during transport and usage, as they lack proper support and alignment with printer rollers.
Innovation Solution
An adjustable bumper system with a screw, elastomeric foot, and nut is introduced to provide adjustable height support, ensuring parallel alignment of media processing members with printer rollers by compensating for displacement caused by load forces, thereby preventing deformation and maintaining proper alignment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If large format printer modules are made heavy to provide structural stability, then stability is improved, but alignment precision deteriorates due to deformation and weight-induced misalignment
Solution Approach 1:
The bumper is designed as an adjustable component that can be positioned at different heights along the guide rail. This dynamic adjustability allows the system to compensate for weight-induced alignment shifts by repositioning the bumper vertically, thereby maintaining alignment precision despite the module's heavy weight and structural stability requirements.
Solution Approach 2:
The invention changes the positional parameter of the bumper along the guide rail to compensate for alignment issues. By adjusting the bumper's position (a key parameter), the system can correct for deformation and weight-induced misalignment, resolving the contradiction between stability and precision.
2Manufacturing precision
If adjustable bumper system is added to improve alignment precision, then alignment precision is improved, but device complexity increases due to additional components
Solution Approach 1:
The guide rail acts as an intermediary element that simplifies the adjustment mechanism. Instead of requiring complex multi-axis adjustment systems, the guide rail provides a straightforward vertical guide path, allowing the bumper to be adjusted simply by moving it along the rail. This intermediary structure reduces overall system complexity while maintaining alignment precision.
3Stability of the object's composition
If fixed support structure is used to prevent deformation, then structural stability is improved, but adaptability deteriorates due to inability to compensate for displacement
Solution Approach 1:
The support system transitions from a fixed structure to a dynamic, adjustable one. The bumper can be repositioned vertically along the guide rail to adapt to different alignment requirements caused by weight variations or installation conditions, while still providing firm support to prevent deformation. This dynamic capability provides both stability and adaptability.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The adjustable bumper system effectively supports large format printer modules, preventing deformation and ensuring reliable alignment with printer rollers, reducing media skew and jams, and enhancing the durability and reliability of printer modules.
Implementation Method 1
the height of the foot, in an open condition of the module, equals the distance between the base and the printer, in a closed condition of the module and a parallel arrangement of the media processing member and the printer roller, plus a displacement of the bumper caused by pressure on the bumper
Data Source
AI summary
Printer module includes a media processing member and a bumper that is arranged to be adjusted in height to provide for a parallel arrangement of the media processing member with respect to a printer roller.