Patent ID: 8160785

Claim:
A machine, comprising: a vehicle having a vehicle body, forward extending support arms, a motor-driven hydraulic fluid pump, hydraulic lines for carrying hydraulic fluid, a hydraulic fluid reservoir, hydraulic cylinders for moving said arms with respect to said body; valves for controlling the supply of hydraulic fluid to said hydraulic cylinders; controls for controlling said valves; a control for providing one or more electrical control signals on a vehicle attachment control line for controlling an attachment; and a work attachment, mounted on said forward extending support arms, having relatively movable attachment elements and one or more attachment hydraulic cylinders for effecting movement of said attachment elements, hydraulic fluid lines having quick connect couplings for connection to the hydraulic lines of the vehicle; an attachment electrical control line for connection to said vehicle attachment control line; a processing circuit, responsive to said one or more electrical control signals on said attachment electrical control line for providing one or more valve control signals, and electrically actuated hydraulic valves, connected to said hydraulic fluid lines and responsive to said one or more valve control signals, for controlling the application of hydraulic fluid to said one or more attachment hydraulic cylinders in response to said one or more valve control signals.