Patent ID: 7537176

Claim:
A shredder comprising: a shredder core having a shredder head; and a container; wherein the shredder head and the container have shreds containment and safety mechanisms that comprise at least one set of a rocker arm, a spring seat, a cover plate for the paper exit, and a knockout pin; wherein the rocker arm, the spring seat and the cover plate are assembled together by a torque spring and installed at the bottom of the shredder head, with one end of the torque spring connected to the spring seat, and the other end of the torque spring connected to the bottom of the shredder head; wherein the spring seat is securely installed at an end of a fixing piece, which is in turn securely attached to the bottom of the shredder head; wherein the rocker arm is installed at the outward side of the spring seat and connected to the cover plate; and wherein the knockout pin is installed on the container and contacts and engages the rocker arm.