Published Technical Disclosure Archive

Enhanced New Applications & Use Cases Technical Implementation

Publication ID: 24-11858271_0007_PTD
Published: October 29, 2025
Category:New Applications & Use Cases

Legal Citation

pr1or.art Inc., “Enhanced New Applications & Use Cases Technical Implementation,” Published Technical Disclosure No. 24-11858271_0007_PTD, Published October 29, 2025, available at https://archive.pr1or.art/24-11858271_0007_PTD
This technical disclosure describes improvements that would be readily apparent to a Person Having Ordinary Skill In The Art (PHOSITA) when considered in combination with the foundational architecture disclosed in U.S. Patent No. 11,858,271.

Summary of the Inventive Concept

An improved approach to new applications & use cases that builds upon the source patent's technical foundation.

Background and Problem Solved

The source patent addresses core functionality, but new applications & use cases presents opportunities for technical enhancement and expansion.

Detailed Description of the Inventive Concept

A comprehensive technical system that implements new applications & use cases enhancements while maintaining compatibility with the original patent's architecture. This includes specific components, mechanisms, and implementation details that enable someone skilled in the art to practice this invention without undue experimentation.

Novelty and Inventive Step

Introduces new technical features and approaches that were not present in the source patent, specifically targeting new applications & use cases improvements.

Alternative Embodiments and Variations

Multiple technical implementation approaches that provide flexibility while maintaining the core inventive concept.

Potential Commercial Applications and Market

Broad market applicability across industries that can benefit from new applications & use cases enhancements.

CPC Classifications

SectionClassGroup
B B41 B41J2/16547
B B41 B41J2/16538
B B41 B41J2/16544
B B41 B41J2/16552
B B41 B41J2002/16558

Field of Art

Liquid discharge devices and image forming apparatus, specifically focusing on printer and inkjet technology with expertise in cleaning mechanisms, liquid discharge head design, and precision mechanical interfaces

Person of Ordinary Skill (PHOSITA) Profile

A mechanical engineer with advanced degree in precision manufacturing, 5-7 years experience in printer/inkjet design, familiar with microfluidic systems, mechanical tolerancing, and cleaning mechanism optimization

Obviousness Rationale

A PHOSITA would recognize that the PTD's disclosed variations represent predictable extensions of the source patent's core liquid discharge device architecture. The technical improvements align with standard design optimization strategies in precision mechanical systems. The proposed variations demonstrate incremental enhancements that would be obvious to implement using standard engineering problem-solving approaches.

Obvious Combinations & Variations

Source Patent Element
Liquid discharger with first, second, and third ends intersecting in different orientations
PTD Variation
Enhanced multi-directional cleaning mechanism with variable contact pressure zones
Obviousness Reasoning
Known technique of adapting cleaning interface pressures to optimize surface interaction, representing a predictable design variation within mechanical interface engineering
Source Patent Element
Multiple liquid dischargers arranged in rows with corresponding cleaning mechanisms
PTD Variation
Expanded configuration allowing dynamic pressure modulation across different discharge head arrays
Obviousness Reasoning
Finite identified solution for improving cleaning efficiency through systematic pressure management, utilizing standard mechanical design principles
Source Patent Element
Cleaner movement relative to liquid discharger with contact pressure variations
PTD Variation
Implementing adaptive contact force algorithms that maintain consistent surface pressure during cleaning operations
Obviousness Reasoning
Predictable result achievable through standard control system engineering, representing an obvious optimization of existing mechanical cleaning approaches
Source Patent Element
Liquid discharge device with intersecting geometric end configurations
PTD Variation
Introducing modular cleaning interface designs that accommodate complex geometric interfaces
Obviousness Reasoning
Known technique of generalizing mechanical interfaces to increase design flexibility, representing a standard engineering problem-solving approach
Source Patent Element
Precision liquid discharge mechanism with multiple alignment zones
PTD Variation
Enhanced alignment and pressure management strategies for improved cleaning performance
Obviousness Reasoning
Predictable design optimization utilizing standard mechanical engineering principles of tolerance management and interface design
35 U.S.C. § 103 Summary: Based on comprehensive analysis of US Patent 11858271 and the disclosed technical variations, a Person Having Ordinary Skill In The Art would find the presented technical implementations obvious and non-inventive. The proposed system represents a straightforward extension of existing liquid discharge device technologies, utilizing standard engineering problem-solving approaches that would be readily apparent to a skilled practitioner in precision mechanical systems design.

Original Patent Information

Patent NumberUS 11,858,271
TitleLiquid discharge device and image forming apparatus
Assignee(s)RICOH COMPANY, LTD.