Printer Paper Extension Arm and Output Clip

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Solution Overview

Problem

The OKI C532dn printer struggles to handle paper longer than 14 inches, leading to issues with front-to-back registration and proper paper feeding, as existing printer trays are not designed to accommodate longer paper sizes without modification.

Innovation Solution

A system comprising a base, extension arm, support stand, crossbar, and output extension clip that can be easily installed and used to extend the printer's input and output capabilities, allowing it to handle longer paper sizes without altering the printer's structure, including a base with a slot for the extension arm, a stopper to restrain paper, and an output clip to secure printed paper.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If the printer uses fixed-length trays, then the printer structure remains simple and stable, but it cannot accommodate paper longer than 14 inches

Engineering Contradiction:
Improvepaper size accommodationVSAvoidtray structure complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The extension device is divided into separate components: a base that attaches to the printer, an extendable arm with adjustable length, and an output clip. This segmentation allows the tray capacity to be extended without redesigning the entire printer structure, resolving the contradiction between adaptability and device complexity.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The extension arm features adjustable length capability, allowing users to configure the tray extension according to different paper size requirements. This dynamic adjustability provides versatility for accommodating various paper lengths while maintaining a relatively simple base structure that attaches to the existing printer.

Inventive Principle:
Principle #15Dynamics

2Adaptability or versatility

If the printer tray is extended to hold longer paper, then paper handling capability improves, but the printer's original structure must be modified

Engineering Contradiction:
Improvelong paper handlingVSAvoidinstallation complexity
Core Design Contradiction:
Adaptability or versatilityVSEase of manufacture

Solution Approach 1:

The extension base acts as an intermediary device between the printer and the paper. It attaches to the printer's existing output tray mechanism without requiring modifications to the printer's internal structure, thereby enabling long paper handling while maintaining ease of manufacture and installation.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The extension device is designed to be easily installed and removed by the user without requiring professional service or printer disassembly. The夹持 mechanism automatically secures to the printer tray, and the extendable arm can be adjusted by the user themselves, embodying the self-service principle.

Inventive Principle:
Principle #25Self-service

3Manufacturing precision

If the printer uses standard output tray, then the printer structure remains simple, but front to back registration on long paper cannot be properly achieved

Engineering Contradiction:
Improveregistration accuracyVSAvoidoutput mechanism complexity
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The extension arm adds a longitudinal dimension to the output tray, extending it in the direction of paper length. This dimensional extension provides sufficient support length for long paper while maintaining the simplicity of the horizontal and vertical support structures, thereby achieving proper registration without excessive complexity.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

Data Source

PatentUS11343396B2System for extending a printer input and a printer output
Publication Date: 2022.05.24 LATSKO JOHN
  • US11343396B2 patent drawing
  • US11343396B2 patent drawing
  • US11343396B2 patent drawing

AI summary

A system for extending a printer output and a printer output allows a printer to hold longer pieces of paper. The system includes a base, an extension arm, a support stand, a crossbar, a desktop printer, and an output extension clip. The base provides a structural platform to hold pieces of paper. The extension arm provides a lengthening element to hold longer pieces of paper if the base is not long enough. The support stand provides a structural reinforcement which maintains the system in a raised position from a table surface or similar. The crossbar provides a structural reference bar which is used to attach the support stand to the base. The desktop printer includes an input tray and output paper catch. The base attaches to the input tray to extend the input tray. The output extension clip attaches to the output paper catch to extend the output paper catch.