Enhanced Multi-Position Strength Bar System

Publication ID: 24-11857831_0006_PTD
Published: October 28, 2025
Category:Direct Improvements & Enhancements

Legal Citation

pr1or.art Inc., “Enhanced Multi-Position Strength Bar System,” Published Technical Disclosure No. 24-11857831_0006_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857831_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. 11,857,831.

Summary of the Inventive Concept

An advanced weight-lifting apparatus featuring angular and radial adjustment interfaces, load sensors, and ergonomic design elements to provide a customized, efficient, and comfortable weight-lifting experience.

Background and Problem Solved

The original Multi-position strength bar patent addressed the need for versatility in weight training. However, it had limitations in terms of weight positioning, user comfort, and adaptability to different weight sizes. The new inventive concept builds upon the original design, solving these inherent limitations by introducing innovative features that enhance the overall weight-lifting experience.

Detailed Description of the Inventive Concept

The Enhanced Multi-Position Strength Bar System comprises an elongate shoulder bar with a central support pad, two handles projecting from the central support pad, and a weight sleeve at each end of the shoulder bar. The weight sleeve is laterally offset from the shoulder bar by an adapter featuring an angular adjustment interface and a radial adjustment interface. This allows the weight sleeve to be positioned in any one of a plurality of locations relative to the lifter's shoulders. Additionally, the system includes a load sensor integrated into the weight sleeve to detect and display the amount of weight loaded onto the bar. The adapter can be configured to automatically adjust the angular and radial positions of the weight sleeve in response to a lifter's input, providing a customized weight-lifting experience. The system also accommodates weights of varying sizes and shapes, and the shoulder bar is designed with ergonomic grips and a contoured support pad to reduce fatigue and discomfort during weight-lifting exercises.

Novelty and Inventive Step

The new inventive concept introduces several novel features, including the angular and radial adjustment interfaces, load sensors, and ergonomic design elements. These features provide a significant improvement over the original patent, enabling a more efficient, comfortable, and customized weight-lifting experience. The automatic adjustment feature and accommodation of varying weight sizes and shapes are particularly innovative, as they address the limitations of the original design and provide a more comprehensive solution for weight trainers.

Alternative Embodiments and Variations

Alternative embodiments of the Enhanced Multi-Position Strength Bar System could include variations in the adapter's design, such as using different materials or mechanisms for the angular and radial adjustment interfaces. The system could also be integrated with other exercise equipment, such as weight machines or benches, to provide a more comprehensive weight training solution. Additionally, the load sensor and automatic adjustment features could be adapted for use in other types of exercise equipment.

Potential Commercial Applications and Market

The Enhanced Multi-Position Strength Bar System has significant commercial potential in the fitness industry, targeting gyms, fitness centers, and individual weight trainers. The system's innovative features and ergonomic design make it an attractive solution for those seeking a more efficient, comfortable, and customized weight-lifting experience. The market for weight training equipment is growing, driven by the increasing popularity of fitness and wellness activities, and the Enhanced Multi-Position Strength Bar System is well-positioned to capitalize on this trend.

CPC Classifications

SectionClassGroup
A A63 A63B21/4005
A A63 A63B21/0004
A A63 A63B21/0724
A A63 A63B2244/09

Field of Art

Exercise equipment design, specifically weight training apparatus with adjustable positioning systems, requiring mechanical engineering skills, understanding of biomechanics, and expertise in fitness equipment ergonomics

Person of Ordinary Skill (PHOSITA) Profile

A mechanical engineer or industrial designer with experience in fitness equipment design, familiar with modular exercise equipment, mechanical adjustment mechanisms, and ergonomic design principles

Obviousness Rationale

A PHOSITA would recognize that the PTD's variations represent predictable extensions of the source patent's core multi-position adapter concept, utilizing standard mechanical engineering techniques to enhance functionality and user experience. The additional features like load sensing and automatic positioning are logical improvements that would be obvious to implement using known sensor and actuator technologies. The ergonomic design modifications represent standard design optimization approaches commonly employed in exercise equipment development.

Obvious Combinations & Variations

Source Patent Element
Radial position locking mechanism for weight bar adapter
PTD Variation
Automatic angular and radial adjustment interfaces responsive to user input
Obviousness Reasoning
Implementing electronic/motorized adjustment is a predictable design evolution using standard servo and sensor technologies, representing a mere substitution of known mechanical control methods
Source Patent Element
Shoulder bar with multiple radial positioning options
PTD Variation
Load sensing integrated into weight sleeve to detect weight configuration
Obviousness Reasoning
Incorporating strain gauges or load cells is a standard technique for measuring weight, representing a known instrumentation approach in exercise equipment design
Source Patent Element
Basic weight bar adapter with positional flexibility
PTD Variation
Ergonomic contoured support pad and customized grip designs
Obviousness Reasoning
Ergonomic optimization through shape modification is a routine design practice, representing standard human factors engineering approaches
Source Patent Element
Weight sleeve attachment mechanism
PTD Variation
Accommodation of weights with varying sizes and shapes
Obviousness Reasoning
Designing universal attachment interfaces is a predictable engineering solution addressing equipment versatility, using standard mechanical design principles
Source Patent Element
Multi-position strength bar concept
PTD Variation
Integration with other exercise equipment like weight machines
Obviousness Reasoning
Modular design and cross-platform compatibility represent standard product development strategies in fitness equipment engineering
35 U.S.C. § 103 Summary: Based on US Patent 11857831, the present publication demonstrates that the claimed variations in multi-position strength bar systems would have been obvious to a person of ordinary skill in the art at the time of invention, as the technical modifications represent predictable extensions of existing mechanical adjustment and ergonomic design principles, thereby rendering potential patent claims obvious and unpatentable under 35 U.S.C. ยง 103.

Original Patent Information

Patent NumberUS 11,857,831
TitleMulti-position strength bar
Assignee(s)Elite Strength Equipment, LLC