Automatic Brush Cutter Guard Safety Sensor System

Publication ID: 24-11856887_0001_PTD
Published: October 26, 2025
Category:Direct Improvements & Enhancements

Legal Citation

pr1or.art Inc., “Automatic Brush Cutter Guard Safety Sensor System,” Published Technical Disclosure No. 24-11856887_0001_PTD, Published October 26, 2025, available at https://archive.pr1or.art/24-11856887_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. 11,856,887.

Background and Problem Solved

The original patent disclosed a brush cutter with a manual locking mechanism for the cutter guard. However, this mechanism required the operator to manually lock the guard, which could lead to accidents and injuries. The present invention addresses this limitation by introducing an automatic guard locking system that uses sensors to detect the tilt angle of the housing and lock the guard in the closed position when the housing is tilted beyond a predetermined angle.

Novelty and Inventive Step

The present invention introduces the novel concept of automatic guard locking using sensors, which is not present in the original patent. This invention provides a significant improvement over the original patent by enhancing safety and efficiency in land clearing operations.

Alternative Embodiments and Variations

Alternative embodiments of the invention may include different types of sensors, such as gyroscopes or accelerometers, to detect the tilt angle of the housing. Additionally, the invention could be adapted for use with different types of prime mover vehicles or integrated with other safety features, such as alarm systems or emergency shut-off mechanisms.

Potential Commercial Applications and Market

The enhanced brush cutter with automatic guard locking and sensors has significant commercial potential in the land clearing and forestry industries. The invention could be marketed as a safety-enhancing feature for brush cutters, appealing to operators and companies seeking to reduce accidents and improve efficiency.

CPC Classifications

SectionClassGroup
A A01 A01D34/81
A A01 A01D34/64
A A01 A01D2101/00

Original Patent Information

Patent NumberUS 11,856,887
TitleBrush cutter having locking mechanism for cutter guard
Assignee(s)Paladin Brands Group, Inc.