Modular Fastening System: Advanced Drawer Wall Design

Publication ID: 24-11857072_0007_PTD

Published: November 07, 2025

Category:New Applications & Use Cases

Legal Citation

pr1or.art Inc., “Modular Fastening System: Advanced Drawer Wall Design,” Published Technical Disclosure No. 24-11857072_0007_PTD, Published November 07, 2025, available at https://archive.pr1or.art/24-11857072_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. 11,857,072.

Background and Problem Solved

The original patent disclosed a drawer rear wall design for conventional drawers. However, this invention addresses the limitations of the original patent by expanding its applicability to diverse industries, where customization, security, and adaptability are crucial. The new invention solves the problem of limited versatility in existing fastening systems, providing a modular solution for various applications.

Novelty and Inventive Step

The new invention's novelty lies in its adaptability to diverse industries, offering a modular solution that transcends the original patent's limitations. The inventive step is the recognition of the potential for the core technology to be applied in various fields, leading to a more comprehensive and versatile fastening system.

Alternative Embodiments and Variations

Alternative embodiments of the invention could include adjustable fastening portions, additional fastening points, or integration with smart technology for enhanced security and monitoring. Variations of the invention could also be designed for specific industries, such as a medical equipment cart with integrated drawers or a smart locker system with biometric authentication.

Potential Commercial Applications and Market

The adaptable fastening system has significant commercial potential in various industries, including healthcare, outdoor recreation, home offices, logistics, and retail. The target market includes manufacturers of medical equipment, outdoor gear, office furniture, and retail shelving systems, as well as companies seeking to enhance security and customization in their operations.

Section 103 Obviousness Analysis (PHOSITA)

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Field of Art

Furniture and storage system design, with expertise in modular drawer and mounting systems, mechanical engineering, and structural component fabrication

Person of Ordinary Skill (PHOSITA) Profile

A mechanical engineer or industrial designer with 3-5 years experience in furniture design, familiar with modular mounting techniques, material selection, and cross-industry adaptation of structural components

Obviousness Rationale

A PHOSITA would recognize the fundamental design of the drawer rear wall as a versatile mounting system that can be readily adapted across different industries by simply modifying the specific attachment points while maintaining the core structural configuration of spaced fastening portions and a middle portion. The disclosed variations represent predictable extensions of the original patent's core mechanical concept, applying standard design translation techniques to different contextual environments. The technical essence of the original patent remains unchanged, with modifications representing routine design adaptations.

Obvious Combinations & Variations

Source Patent Element

First and second fastening portions for sidewall attachment

PTD Variation

Replacing drawer sidewalls with medical cart, camping trailer, desk frame, locker frame, and shelf frame attachment points

Obviousness Reasoning

Substituting attachment surfaces is a known design technique representing a predictable variation that a PHOSITA would find obvious when maintaining the fundamental structural relationship

Source Patent Element

Metallic material construction (steel or aluminum)

PTD Variation

Applying identical material selection principles to medical, outdoor, office, logistics, and retail storage systems

Obviousness Reasoning

Material selection represents a routine design choice with known performance characteristics that can be transferred across similar structural applications

Source Patent Element

Longitudinal spacing between fastening portions

PTD Variation

Maintaining consistent spatial relationship while changing specific mounting context

Obviousness Reasoning

Preserving core geometric relationships while changing specific implementation context is a standard design translation approach recognized by skilled practitioners

Source Patent Element

Wall thickness variations

PTD Variation

Adapting wall thickness to specific industry requirements while maintaining core structural principles

Obviousness Reasoning

Dimensional scaling and material thickness adjustment represent predictable engineering modifications based on specific load and environmental requirements

Source Patent Element

Basic drawer rear wall structural configuration

PTD Variation

Introducing smart technology integration and biometric authentication layers

Obviousness Reasoning

Adding electronic or authentication layers to mechanical systems is a known design evolution representing an obvious technological enhancement

35 U.S.C. § 103 Summary: Based on US Patent 11857072, the disclosed variations represent obvious extensions of the original drawer rear wall design, demonstrating that a person having ordinary skill in the art would find the proposed technical implementations predictable and non-inventive. The systematic translation of a fundamental mechanical mounting concept across diverse industrial contexts does not rise to the level of non-obvious innovation, thereby establishing robust prior art against potential future patent claims.

Original Patent Information

Patent Number	US 11,857,072
Title	Drawer rear wall
Assignee(s)	JULIUS BLUM GMBH