a steering apparatus exhibits favorable lever operability and generates a powerful steering column fastening and fixing force during tilt and telescopic adjustment . it has a simple structure includes : a column supporting member ; a fixed bracket having , fixed side portions ; a lock bolt that penetrates the respective fixed side portions of the fixed bracket together with the column supporting member ; a main driving cam ; a driven cam ; an intermediate cam ; and an operating lever . the lock bolt penetrates the main driving cam , the driven cam , and the intermediate cam , the main driving cam is rotated by the operating lever , the driven cam is attached to the fixed side portions to be incapable of rotating , the intermediate cam is disposed between the main driving cam and the driven cam , and the intermediate cam is caused to approach and separate from the main driving cam and the driven cam .