Published Technical Disclosure Archive

Advanced Adaptive Speed Control for Specialized Mowers

Publication ID: 24-11856888_0004_PTD
Published: October 26, 2025
Category:Specialized Variations & Niche Solutions

Legal Citation

pr1or.art Inc., “Advanced Adaptive Speed Control for Specialized Mowers,” Published Technical Disclosure No. 24-11856888_0004_PTD, Published October 26, 2025, available at https://archive.pr1or.art/24-11856888_0004_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. 11,856,888.

Background and Problem Solved

The original speed control assembly patent has limitations in adapting to unique operational environments. This invention addresses these limitations by providing tailored solutions for specific markets, ensuring improved performance, safety, and user experience.

Novelty and Inventive Step

The new claims introduce novel and non-obvious features, including biometric authentication, remote control, weather-resistant design, simplified user interfaces, and data logging capabilities, which distinguish these specialized variations from the original speed control assembly patent.

Alternative Embodiments and Variations

Alternative embodiments of the invention could include additional features, such as advanced obstacle detection, autonomous operation, or integration with smart home systems. Variations could also include different types of sensors, alternative user interface designs, or customized ergonomic grips.

Potential Commercial Applications and Market

The specialized lawn mower variations have significant commercial potential in their respective niche markets, including government and private security agencies, disaster relief organizations, extreme weather condition regions, healthcare and rehabilitation centers, and commercial landscaping companies.

CPC Classifications

SectionClassGroup
A A01 A01D34/824
A A01 A01D34/6806
A A01 A01D34/78
A A01 A01D69/02
A A01 A01D2034/6843
A A01 A01D2101/00

Field of Art

Agricultural machinery, specifically lawn mower control systems, involving mechanical engineering, sensor integration, and user interface design for ground-based power equipment

Person of Ordinary Skill (PHOSITA) Profile

A mechanical engineer with expertise in power equipment design, familiar with sensor technologies, control systems, and user interaction mechanisms for outdoor power tools

Obviousness Rationale

A person of ordinary skill would recognize that the source patent's speed control assembly provides a fundamental framework that can be readily adapted to specialized use cases by integrating additional sensors, communication modules, and contextual control logic. The core speed control mechanism serves as a modular platform for implementing variations targeting specific user needs or environmental conditions. These extensions represent predictable variations that would be apparent to a skilled practitioner seeking to optimize lawn mower functionality.

Obvious Combinations & Variations

Source Patent Element
Sensor operable to generate an output signal based on grip position
PTD Variation
Biometric sensor integrated with grip for user authentication
Obviousness Reasoning
Adding biometric authentication represents a known technique for enhancing security in user-operated equipment, utilizing the existing sensor mounting infrastructure
Source Patent Element
Controller configured to receive sensor output and control drive assembly
PTD Variation
Remote control unit with communication module to adjust ground travel speed
Obviousness Reasoning
Implementing wireless control is a predictable extension of the existing control system, leveraging standard communication protocols and control logic
Source Patent Element
Speed control system with sensor and controller interaction
PTD Variation
Temperature-adaptive speed control with ambient temperature sensing
Obviousness Reasoning
Incorporating environmental sensing to dynamically adjust equipment performance represents a standard design optimization approach in power equipment
Source Patent Element
Grip moveable relative to handle assembly with position sensing
PTD Variation
Ergonomic grip design with simplified user interface for elderly or disabled users
Obviousness Reasoning
Modifying user interface for accessibility is a known design approach that leverages existing position sensing and control mechanisms
Source Patent Element
Sensor generating output signal for speed control
PTD Variation
GPS-enabled data logging system tracking location and speed
Obviousness Reasoning
Integrating location tracking and performance logging represents a standard enhancement for commercial and fleet management applications
35 U.S.C. § 103 Summary: Based on US Patent 11856888's disclosure of a speed control assembly with sensor-based grip position detection, the present variations constitute obvious extensions that would be readily conceived by a person having ordinary skill in agricultural equipment design. The proposed modifications represent predictable combinations of known techniques, utilizing standard sensor integration, communication, and control methodologies to adapt the fundamental speed control mechanism to specialized use cases.

Original Patent Information

Patent NumberUS 11,856,888
TitleSpeed control assembly
Assignee(s)Techtronic Outdoor Products Technology Limited