Patent ID: 7255295

Claim:
A demolition tool assembly comprising: a bearing housing attachable to demolition equipment; a rotational coupling secured to the bearing housing; a yoke attached to the rotational coupling and rotatable relative to the bearing housing through the rotational coupling; side members attached to the yoke; at least one demolition tool attachable to the side members; a hydraulic cylinder attached to the yoke and the bearing housing for moving the demolition tool, wherein a portion of the cylinder attached to the yoke is rotatable relative to the portion of the cylinder coupled to the bearing housing; wherein the hydraulic cylinder includes a cylinder housing and a cylinder extension extending from the cylinder housing; wherein a stationary housing surrounds the cylinder extension; wherein the cylinder extension is rotatable within the stationary housing; wherein the stationary housing is attached to the bearing housing such that the cylinder exterior rotates relative to the bearing housing; and wherein the interior of the stationary housing has hydraulic fluid channels which abut with and are in fluid communication with hydraulic lines internal to the cylinder extension.