A leaf spring 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 , elliptical spring , or cart spring , it is one of the oldest forms of springing, appearing on carriages in France in the mid-17th century in the form of the two-part elbow spring (as the illustrated example from Lisbon), and from there migrating to England and Germany. [
A study material for Automobile Engineering, MAEE, MMV, Diesel mechanic and Mechanical students. (Both KGCE & NCVT)