LINK-BELT SPEEDER CORPORATION

SPEED-O-MATIC

THE EXCLUSIVE USE OF THE WORD SPEED IS DISCLAIMED APART FROM THE MARK AS SHOWN.;SPEED-O-MATIC WAS FIRST USED ON CRANES AND SHOVELS EMPLOYING VARIABLE PRESSURE HYDRAULIC CONTROL SYSTEMS IN COMMERCE AMONG THE SEVERAL STATES WHICH MAY LAWFULLY BE REGULATED BY CONGRESS ON DECEMBER 15, 1936.;SPEED-O-MATIC WAS FIRST USED ON CRANES AND SHOVELS EMPLOYING VARIABLE PRESSURE HYDRAULIC CONTROL SYSTEMS IN COMMERCE AMONG THE SEVERAL STATES WHICH MAY LAWFULLY BE REGULATED BY CONGRESS ON DECEMBER 15, 1936.;VARIABLE PRESSURE HYDRAULIC SYSTEMS FOR CONTROLLING THE OPERATING FUNCTIONS OF MACHINES,SUCH AS CRANES, SHOVELS, DRAGLINES, OR THE LIKE, EACH SYSTEM INCLUDING SUCH ELEMENTS AS A SOURCE OF SUPPLY OF FLUID, A PUMP, AN ACCUMULATOR, A PLURALITY OF FLUID MOTORS, A PIPING SYSTEM, AND FLUID FLOW CONTROLLING VALVES;