Spring Leaves
A leaf spring is a simple form of spring commonly used for the suspension in wheeled vehicles. Originally called a laminated 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 the form of the two-part elbow spring
A leaf spring takes the form of a slender arc-shaped length of spring steel of rectangular cross-section. In the most common configuration, the center of the arc provides location for the axle, while loops formed at either end provide for attaching to the vehicle chassis. For very heavy vehicles, a leaf spring can be made from several leaves stacked on top of each other in several layers, often with progressively shorter leaves. ..
The longest leaf of the leaf spring is known as the "Master Leaf". The ends of the master leaf are rolled which are known as the "eye". The leaf just below the master leaf is called the "Second master leaf" and the ones after it are termed as "Graduated leaves".
