Enhanced Body Stretching System with Ergonomic Design and Safety Features

Publication ID: 24-11857832_0006_PTD

Published: October 28, 2025

Category:Direct Improvements & Enhancements

Legal Citation

pr1or.art Inc., “Enhanced Body Stretching System with Ergonomic Design and Safety Features,” Published Technical Disclosure No. 24-11857832_0006_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857832_0006_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. 11,857,832.

Summary of the Inventive Concept

An improved body stretching system that incorporates an ergonomic grip design, safety release mechanism, and user feedback module to enhance user experience and prevent injuries.

Background and Problem Solved

The original body stretching system, while beneficial, has limitations in terms of user comfort, safety, and effectiveness. The new inventive concept addresses these limitations by introducing design improvements that reduce fatigue and discomfort, prevent overstretching injuries, and provide personalized stretching recommendations.

Detailed Description of the Inventive Concept

The enhanced body stretching system comprises a limb stretching unit with an improved ergonomic grip design that reduces fatigue and discomfort during prolonged use. The system further includes a safety release mechanism to prevent overstretching injuries and a user feedback module to track progress and provide personalized stretching recommendations. The ratchet assembly is modified to provide a smoother, more consistent stretching motion, and the main body is designed with adjustable length and angle settings to accommodate users of varying heights and limb lengths.

Novelty and Inventive Step

The new inventive concept's ergonomic grip design, safety release mechanism, and user feedback module are novel and non-obvious improvements over the original patent, providing a more comfortable, safe, and effective body stretching experience.

Alternative Embodiments and Variations

Alternative embodiments of the enhanced body stretching system could include adjustable grip sizes, interchangeable limb straps, and integration with wearable devices or mobile apps to track user progress and provide real-time feedback.

Potential Commercial Applications and Market

The enhanced body stretching system has significant commercial potential in the physical therapy, fitness, and healthcare industries, offering a more effective and safe solution for individuals seeking to improve flexibility and range of motion.

CPC Classifications

Section	Class	Group
A	A63	A63B21/4019
A	A63	A63B21/04
A	A63	A63B21/0557
A	A63	A63B21/4011
A	A63	A63B21/4035

Section 103 Obviousness Analysis (PHOSITA)

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Field of Art

Physical therapy and exercise equipment, specifically body stretching systems with mechanical assistance and ergonomic design. Requires expertise in biomechanics, mechanical engineering, and rehabilitation technology

Person of Ordinary Skill (PHOSITA) Profile

A mechanical engineer or physical therapist with experience designing assistive stretching devices, familiar with ratchet mechanisms, ergonomic grip design, and user-centered product development

Obviousness Rationale

A PHOSITA would recognize that the disclosed variations represent predictable improvements to the source patent's body stretching system. The ergonomic modifications, safety mechanisms, and user tracking features are logical extensions of existing stretching device technologies. These enhancements address known limitations in assistive stretching equipment by applying standard design optimization techniques.

Obvious Combinations & Variations

Source Patent Element

Ratchet assembly with directional rotation in the original patent

PTD Variation

Modified ratchet assembly providing smoother, more consistent stretching motion

Obviousness Reasoning

A PHOSITA would find it obvious to refine the existing ratchet mechanism to improve user experience, as mechanical smoothness is a standard design optimization goal in assistive devices

Source Patent Element

Basic limb gripping structure with handle

PTD Variation

Ergonomic grip design specifically targeting fatigue reduction during prolonged use

Obviousness Reasoning

Ergonomic improvements are a predictable solution to known user comfort issues, representing a standard design approach in medical and exercise equipment

Source Patent Element

Static limb stretching system

PTD Variation

Adjustable length and angle settings to accommodate different user body types

Obviousness Reasoning

Introducing user-adaptable configurations is an obvious design choice to increase product versatility and address diverse user needs

Source Patent Element

Mechanical stretching mechanism

PTD Variation

Safety release mechanism to prevent overstretching injuries

Obviousness Reasoning

Implementing safety features is a known and expected design improvement in medical assistance devices, addressing potential user risk

Source Patent Element

Manual stretching assistance device

PTD Variation

User feedback module with progress tracking and personalized recommendations

Obviousness Reasoning

Integrating digital tracking and personalization is a predictable technological enhancement leveraging standard IoT and fitness tracking approaches

35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857832, a Person Having Ordinary Skill In The Art would find the claimed variations in the published technical disclosure to be obvious extensions of the prior art. The incremental improvements in ergonomics, safety, and user interaction represent predictable design optimizations that would be readily conceived by a skilled practitioner without requiring inventive insight.

Original Patent Information

Patent Number	US 11,857,832
Title	Body stretching system