US Patent 7418985 Hydraulic pruning attachment

A saw attachment for pruning trees, shrubs and undergrowth that can be used on a hydraulic vehicle, having auxiliary line connections for accepting attachments. The attachment has cutting blades located at the ends of a swing arm, which is mounted on a plate capable of holding a single, fixed angle of orientation from 0° to 90° with respect to the imaginary plane of the direction of travel of the vehicle. Depending on the type of host vehicle on which the attachment is used, the attachment can be mounted using either a connector plate or an articulated extension arm.