Intellectual Property India Publishes Patent Application for Dual-Stroke, Variable-Ratio, Self-Locking Mechanical Chain Lifting System For Bidirectional Lever Actuation

MUMBAI, India, July 30 -- Intellectual Property India has published a patent application (202641088572 A) filed by Renjith Thomas; St. Joseph'S College Of Engineering And Technology; Jacob Thomas; and Akhil Mathew on July 21, 2026, for Dual-Stroke, Variable-Ratio, Self-Locking Mechanical Chain Lifting System For Bidirectional Lever Actuation.

Inventors include Renjith Thomas; Jacob Thomas; and Akhil Mathew.

The application for the patent was published on July 24, 2026, under issue no. 30/2026.

Abstract: The present invention relates to a dual-stroke, variable-ratio, self-locking mechanical chain lifting system for bidirectional lever actuation, particularly adapted for manually operated lifting applications. The system comprises an opera...