Patent ID: 8387523

Claim:
A rocker assembly of a strapping machine comprising a rocker having a pivoting end; a swinging end; and a seat formed on the rocker, disposed adjacent to the swinging end and having a front corresponding to the pivoting end of the rocker; a rear corresponding to the swinging end of the rocker; two opposite sides; a mounting recess formed in an upper surface of the seat; a bottom defined in the mounting recess; and a supporting protrusion formed on the bottom of the seat and extending toward the sides of the seat; a positioning panel mounted in the mounting recess of the seat and on the supporting protrusion; two teeth panels mounted on the positioning panel, arranged parallel to the front and the rear of the seat and selectively sliding toward the front and the rear of the seat, and each teeth panel having two sides respectively corresponding to the sides of the seat; a toothed upper surface; and two sliding protrusions respectively protruding from the sides of the teeth panel; and two holders securely mounted in the mounting recess of the seat and respectively disposed adjacent to the sides of the seat, and each holder having an inner side corresponding to the teeth panels; and a sliding recess formed in the inner side of the holder and mounted around corresponding sliding protrusions of the teeth panel.