Enhanced Direct Improvements & Enhancements Technical Implementation

Publication ID: 24-11858108_0001_PTD

Published: November 07, 2025

Category:Direct Improvements & Enhancements

Legal Citation

pr1or.art Inc., “Enhanced Direct Improvements & Enhancements Technical Implementation,” Published Technical Disclosure No. 24-11858108_0001_PTD, Published November 07, 2025, available at https://archive.pr1or.art/24-11858108_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. 11,858,108.

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

Section	Class	Group
B	B25	B25F5/02
H	H01	H01M50/213
H	H01	H01M50/227
H	H01	H01M50/24
H	H01	H01M50/244
H	H01	H01M50/247
H	H01	H01M50/264
H	H01	H01M50/502
H	H01	H01M2220/30
H	H01	H01M2250/30
Y	Y02	Y02B90/10

Section 103 Obviousness Analysis (PHOSITA)

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Field of Art

Battery pack manufacturing and power tool battery systems, encompassing mechanical design of battery cell integration, insulation, and precision manufacturing techniques for hand-held power tool battery packs

Person of Ordinary Skill (PHOSITA) Profile

A mechanical engineer with expertise in battery pack design, manufacturing processes, precision mechanical tolerancing, and power tool battery system integration, typically holding a bachelor's or master's degree in mechanical or electrical engineering

Obviousness Rationale

A PHOSITA would recognize that the PTD's disclosed improvements represent predictable variations on the source patent's battery pack manufacturing methodology, utilizing standard engineering design optimization techniques that would be apparent to someone skilled in battery pack and power tool design. The variations demonstrate incremental technical enhancements that extend the original patent's core concepts through known engineering problem-solving approaches.

Obvious Combinations & Variations

Source Patent Element

Cell holder with sleeve-shaped insulating walls and cylindrical cell openings

PTD Variation

Enhanced cell holder with modified dimensional tolerancing and improved material composition for increased thermal and mechanical stability

Obviousness Reasoning

Predictable design optimization using known material science and mechanical engineering techniques to improve existing battery pack structural elements

Source Patent Element

Precise cell opening diameter specifications (97-99% of battery cell diameter)

PTD Variation

Extended tolerance ranges and adaptive manufacturing processes for more flexible cell integration

Obviousness Reasoning

Routine engineering design variation applying known manufacturing tolerance principles to expand potential implementation approaches

Source Patent Element

Method of pressing battery cells into precisely sized cell openings

PTD Variation

Alternative mechanical pressing techniques with enhanced alignment and force distribution mechanisms

Obviousness Reasoning

Application of known mechanical engineering principles to improve cell insertion process using standard design modification strategies

Source Patent Element

Cylindrical battery cell accommodation method

PTD Variation

Expanded cell geometry support including modified cell shapes and multi-dimensional integration approaches

Obviousness Reasoning

Logical extension of existing design principles using known geometric variation techniques common in battery pack engineering

Source Patent Element

Insulating wall configuration for battery cell retention

PTD Variation

Advanced thermal management and electrical isolation enhancements to cell holder design

Obviousness Reasoning

Predictable improvement using established thermal engineering and electrical insulation design methodologies

35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11858108, a person having ordinary skill in the art would find the technical variations disclosed herein to be obvious extensions of the prior art, representing routine engineering design choices that would be apparent to a skilled practitioner without requiring inventive insight. The disclosed improvements constitute prima facie obvious modifications that do not rise to the level of patentable invention under 35 U.S.C. Section 103.

Original Patent Information

Patent Number	US 11,858,108
Title	Rechargeable battery pack for a hand-held power tool and method for manufacturing a rechargeable battery pack for a hand-held power tool
Assignee(s)	ROBERT BOSCH GMBH