Published Technical Disclosure Archive

Enhanced Direct Improvements & Enhancements Technical Implementation

Publication ID: 24-11858271_0001_PTD
Published: October 29, 2025
Category:Direct Improvements & Enhancements

Legal Citation

pr1or.art Inc., “Enhanced Direct Improvements & Enhancements Technical Implementation,” Published Technical Disclosure No. 24-11858271_0001_PTD, Published October 29, 2025, available at https://archive.pr1or.art/24-11858271_0001_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 direct improvements & enhancements that builds upon the source patent's technical foundation.

Background and Problem Solved

The source patent addresses core functionality, but direct improvements & enhancements presents opportunities for technical enhancement and expansion.

Detailed Description of the Inventive Concept

A comprehensive technical system that implements direct improvements & enhancements 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 direct improvements & enhancements 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 direct improvements & enhancements 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 precision cleaning mechanisms for print heads and liquid discharge components in printing technologies

Person of Ordinary Skill (PHOSITA) Profile

A mechanical engineer with expertise in precision manufacturing, print head design, and cleaning mechanism technologies, familiar with microengineering tolerances and fluid discharge system optimization

Obviousness Rationale

A person skilled in the art would recognize that the PTD's disclosed improvements represent predictable variations of the source patent's core liquid discharge and cleaning mechanism concepts. The technical variations demonstrate standard engineering problem-solving approaches that would be apparent to someone with ordinary skill in precision manufacturing and print head technologies. The modifications represent incremental enhancements that leverage known design principles and established technical strategies within the field.

Obvious Combinations & Variations

Source Patent Element
Liquid discharger with multiple ends and a cleaner that moves relative to the liquid discharger
PTD Variation
Enhanced cleaning mechanism with variable contact pressure and adaptive cleaning strategies
Obviousness Reasoning
A PHOSITA would recognize that modifying contact pressures and cleaning approaches represents a predictable design optimization technique commonly used in precision manufacturing environments
Source Patent Element
Multiple liquid dischargers disposed in multiple rows
PTD Variation
Expanded configuration of liquid discharge components with improved alignment and cleaning protocols
Obviousness Reasoning
Reconfiguring component arrangements is a standard engineering approach for improving system performance, representing an obvious extension of known design principles
Source Patent Element
Cleaner with variable contact mechanisms
PTD Variation
Dynamic pressure adjustment techniques for maintaining consistent cleaning performance across different surface geometries
Obviousness Reasoning
Implementing adaptive cleaning strategies is a well-understood technique in precision manufacturing, representing a logical and predictable technical evolution
Source Patent Element
Liquid discharge device with intersecting end configurations
PTD Variation
Enhanced geometric design allowing more sophisticated cleaning and maintenance approaches
Obviousness Reasoning
Geometric modifications to improve functional performance are standard engineering problem-solving techniques that would be obvious to a skilled practitioner
Source Patent Element
Contact pressure management for cleaning mechanisms
PTD Variation
Advanced pressure modulation techniques that maintain consistent cleaning effectiveness across different component surfaces
Obviousness Reasoning
Refining pressure application methods represents a predictable engineering optimization that would be readily conceived by someone skilled in the art
35 U.S.C. § 103 Summary: Pursuant to 35 U.S.C. ยง 103, the technical variations disclosed herein would have been obvious to a person having ordinary skill in the art at the time of invention, as evidenced by the teachings of US Patent 11858271 and the incremental technical enhancements represented in this published technical disclosure. The modifications represent standard engineering problem-solving approaches that do not rise to the level of non-obvious innovation, thereby establishing this document as valid prior art for rendering subsequent similar claims obvious.

Original Patent Information

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