MUMBAI, India, June 20 -- Intellectual Property India has published a patent application (202321084855 A) filed by Gabriel India Ltd., Pune, Maharashtra, on Dec. 12, 2023, for 'hydraulic preload adjusting device for rear shock absorber.'
Inventor(s) include Manoj Kumar D; Senthilkumar D; and Karunakaran G.
The application for the patent was published on June 20, under issue no. 25/2025.
According to the abstract released by the Intellectual Property India: "Disclosed is a hydraulic preload adjusting device (100) for adjusting the suspension characteristics of a spring (102) of a shock absorber. The device (100) comprising an adjuster case (10) having an annular band-like body with a wall and a cylinder, an adjuster case cap (20), a bottom slider (30), and a knob (40). The cylinder comprises an oil reservoir (1), an oil-filling screw (2) configured on the slant surface of the cylinder at the rear side thereof for facilitating oil filling in the oil reservoir, a piston (4), a piston screw (5), a dog-point screw (3), an O-ring, and a bottom slider (30). The bottom slider (30) affixed inside the adjuster case (10) grooves for creating an oil channel in between the bottom slider and the adjuster case. The knob provides required motion in adjusting spring preload by facilitating oil displacement from the oil reservoir to the oil channel."
Disclaimer: Curated by HT Syndication.
