Patent ID: 8181588

Claim:
An automatic reversing-reposition rocker arm comprising a rocker arm body, the rocking body arm being a steel box beam, a rocker arm pivoting shaft attached on a middle of the rocker arm body, the rocker arm body having a ballast tank, a water inlet, and a water outlet, the ballast tank located in a back end of the rocker arm body, the water inlet located in an upper edge of the ballast tank, the water outlet located in a lower edge of the ballast tank, a plurality of connecting devices spacedly attached on a left side and a right side of a lengthwise forward end of the rocker arm body, a plurality of gas-liquid buffers correspondingly connected with the rocker arm body via the connecting devices; wherein on each of the back and forward ends of said rocker arm body, one lifting eye is welded, the lifting eye being a steel tube, and the lifting eye at the back end of the rocker arm body used as a water inlet communicating with the ballast tank, the lifting eye at the forward end of the rocker arm body being a steel tube or steel shaft.