With precise proficiency and understanding of the present market understanding and requisites, we are readily immersed in Exporter, Manufacturer & Supplier of Trucks Leaf Springs in Navi Mumbai, Maharashtra, India. A traditional semi-elliptical Hotchkiss leaf spring arrangement. On the left, the spring is connected to the frame through a shackle. A leaf spring is a simple form of spring commonly used for the suspension in wheeled vehicles. ... Today leaf springs are still used in heavy commercial vehicles such as vans and trucks,is a simple form of spring commonly used for the suspension in wheeled vehicles. Originally called a laminated or carriage spring, and sometimes referred to as a semi-elliptical spring or cart spring, it is one of the oldest forms of springing, dating back to medieval times.