MUMBAI, India, June 26 -- Intellectual Property India has published a patent application (202621034796 A) filed by Dkte Society'S Textile And Engineering Institute; Dr. Prahalad Sawant Badkar; Mr. Sahil Pavan Chougule; Mr. Vedant Ramesh Chougule; Mr. Sachin Suresh Nalawade; Mr. Yash Ravindra Parit; Mr. Tejam Bhagat Sing; and Dr. Vinayak Ramchandra Naik on March 23, 2026, for Enclosed Spring-Driven Vibration Device For Removing Dust From Blackboard Dusters With Sieve And Collection Chamber.
Inventors include Dr. Prahalad Sawant Badkar; Mr. Sahil Pavan Chougule; Mr. Vedant Ramesh Chougule; Mr. Sachin Suresh Nalawade; Mr. Yash Ravindra Parit; Mr. Tejam Bhagat Sing; and Dr. Vinayak Ramchandra Naik.
The application for the patent was published on June 19, 2026, under issue no. 25/2026.
Abstract: Enclosed Spring-Driven Vibration Device for Removing Dust from Blackboard Dusters with Sieve and Collection Chamber This invention describes an enclosed chalk duster dust remover equipment designed to safely and efficiently remove accumulated chalk dust from the felt surface of blackboard dusters. The device comprises a hollow rectangular container with a hinged lid having a dedicated slot for positioning the duster. A sieve is provided beneath the slot, supported by a spring-connected solid rectangular striking plate. Upon manual actuation, the spring-based mechanism induces controlled vibration and impact on the sieve, causing embedded chalk dust to detach from the duster felt. The dislodged dust passes through the sieve and is collected inside the enclosed container, thereby preventing dispersion into the surrounding environment. The invention eliminates manual hammering practices, reduces airborne chalk dust, improves hygiene, and enhances user convenience. The device is simple in construction, low-cost, and suitable for routine use in classrooms, educational institutions, and similar environments.
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