MUMBAI, India, Oct. 12 -- Intellectual Property India has published a patent application (202621100640 A) filed by Dr. D. Y. Patil Institute Of Technology, Pimpri, Pune -; and Dnyaan Prasad Global University, School Of Technology And Research, Pimpri, Pune - on August 20, 2026, for Autonomous Floor Cleaning Robot With Corner Targeted Arm Extension Mechanism And Iot Based Scheduled Operation System.
Inventors include Arvind Ram Rao; Atharva Prafulla Kurade; Utkarsh Singh; Atharv Sunil Patel; Shubham Ramchandra Waingade; and Dr. Gayatri Londhe.
The application for the patent was published on October 09, 2026, under issue no. 41/2026.
Abstract: The primary embodiment of the invention comprises an autonomous cleaning apparatus featuring a chassis integrated, DC motor driven linear extension assembly. Unlike conventional fixed geometry robotic cleaners, this system utilizes a retractable arm configured to project a cleaning interface beyond the robot’s peripheral boundary. The assembly is characterized by a rack and gear mechanism driven by a micro metal gear motor, providing controlled, high torque linear displacement. This mechanism is housed within the internal volume of the chassis, ensuring that the device maintains its standard footprint and maneuverability during general navigation, while selectively extending to access recessed corners and edge boundaries that are typically inaccessible to standard rotational brushes. The deployment of the extension arm is governed by a sensor fusion control loop. A 2D Laser Range Finder (LiDAR) module generates a spatial map of the environment to identify corner geometries and wall floor intersections. Supplementing this, a Time of Flight (ToF) proximity sensor provides high precision distance measurements to the target vertex. The system's locomotion, powered by stepper motors, enables incremental positioning to align the chassis with the detected corner. Upon reaching a threshold proximity, the control processor triggers the extension of the arm, ensuring the cleaning head makes physical contact with the corner crevice without risking mechanical collision or chassis misalignment. The cleaning interface at the distal end of the extension arm is modular, accommodating brush filaments, mopping media, or an oscillating cleaning head. A secondary micro motor is optionally integrated into the arm to provide independent rotational or vibratory motion, facilitating the mechanical agitation of debris in confined areas. To ensure effective debris removal, the extension assembly operates in fluid communication with a high suction vacuum unit. This unit generates a localized airflow at the point of extension, extracting dislodged particulates through a dedicated conduit to the internal dustbin, thereby providing a comprehensive cleaning cycle that exceeds the capabilities of passive side sweepers. In addition to the electromechanical hardware, the system incorporates wireless communication protocols for remote monitoring and scheduling. The control logic allows for autonomous adaptation to environment-specific patterns, such as user defined cleaning windows or high traffic area prioritization. However, the core technical advancement remains the integration of the compact linear actuator and the synchronized deployment logic, which together provide a physical cleaning reach into 90-degree vertices and tight gaps, solving the fundamental coverage limitations of fixed chassis robotic designs.
Disclaimer: Curated by HT Syndication.
