MUMBAI, India, March 13 -- Intellectual Property India has published a patent application (202621003707 A) filed by Vishwakarma Institute Of Technology, Pune, Maharashtra, on Jan. 14, for 'a semi-active wrist roller exercise device.'
Inventor(s) include Satpute, Shivam Nitin; Sawant, Parth Sandip; Sonawane, Sudipti Kishor; Shinde, Rohan Ganesh; Navale, Shreya Shrikant; Chaudhari, Mangesh; and Korwar, Ganesh.
The application for the patent was published on March 13, under issue no. 11/2026.
According to the abstract released by the Intellectual Property India: "The present invention relates to a semi-active wrist roller exercise device equipped with a magnetorheological (MR) damper for electronically adjustable resistance. The device comprises a piston (102) moving inside a cylinder (103) filled with oil containing iron-based nano fluid (104), with copper windings (105) around the piston. A DC source with variable current (106) supplies current to the windings, generating a magnetic field that aligns the nanoparticles in the MR fluid, altering its viscosity and providing variable resistive force. The resistive force is transmitted to the user through the handle-and-pulley system (101), allowing wrist and upper-arm exercises with real-time, tunable resistance. The system eliminates the need for manual weight adjustment or bulky motorized equipment, offering a compact, portable, and energy-efficient solution suitable for fitness training, physiotherapy, and sports rehabilitation. Magnetic flux (203) concentration within the piston-cylinder assembly ensures smooth, safe, and controllable operation."
Disclaimer: Curated by HT Syndication.
