MUMBAI, India, Aug. 12 -- Intellectual Property India has published a patent application (202641085398 A) filed by Kalasalingam Academy Of Research And Education on July 13, 2026, for Portable And Convertible Dual Mode Staircase For Wheelchair And Pedestrian Access.
Inventors include Dr. S. Shasi Anand; and Dr. P. Jayakumar.
The application for the patent was published on August 07, 2026, under issue no. 32/2026.
Abstract: A portable reconfigurable accessibility platform is disclosed for facilitating the multilevel transit of wheeled mobility devices. The apparatus includes a wheel base (1) supporting a pair of protective side walls (2) equipped with safety handrail bars (3). A plurality of articulating stairs (4) are positioned between the side walls (2) and are communicatively regulated by an external control panel (10). Inside the chassis, a drive motor (5) rotates a central sprocket (7) to drive a continuous loop interlinked chain drive (6). The interlinked chain drive (6) interacts with individual tilting hub (8) mechanisms beneath each step, causing the stairs (4) to transform uniformly into a flat continuous incline. Each step plate incorporates a wheelchair (9) retention member acting as a safety wheel chock to mechanically block the wheelchair (9) from rolling backward during ascent.
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