Hydraulically actuated pole puller

Claim 1

A PULLER DEVICE OF THE CHARACTER DEFINED COMPRISING A FIXED UNIT IN THE FORM OF A SINGLE PISTON STRUCTURE, A LIFT UNIT IN THE FORM OF A SINGLE CYLINDER STRUCTURE MOVABLE LONGITUDINALLY OF THE FIXED UNIT, THE LIFT UNIT COMPRISING A CYLINDER, A PLATE FIXED TO THE UPPER END OF THE CYLINDER AND HAVING MEANS FOR COUPLING A CHAIN OR THE LIKE THEREWITH, SAID FIXED UNIT COMPRISING AN ELONGATED TUBULAR ROD SLIGHTLY LESS IN DIAMETER THAN THE BORE OF THE CYLINDER, A PISTON HEAD COUPLED WITH THE UPPER END OF SAID TUBULAR ROD AND OPERATING IN THE BORE OF THE CYLINDER, THE TUBULAR ROD BEING SMALLER IN DIAMETER THAN SAID HEAD TO FORM AN ANNULAR HYDRAULIC CHAMBER BETWEEN THE TUBULAR ROD AND CYLINDER, MEANS COUPLED WITH THE CYLINDER FOR ADMITTING AND DISCHARGING A HYDRAULIC MEDIUM INTO OPPOSED END PORTIONS OF THE CYLINDER TO COMMUNICATE WITH SAID CHAMBER AND THE END OF THE CYLINDER BEYOND SAID PISTON HEAD, A SEAL RING MOUNTED IN THE LOWER END OF THE BORE OF THE CYLINDER AND FITTING SNUGLY ON SAID TUBULAR ROD, A COLLAR ON THE PERIPHERY OF SAID LOWER END OF THE CYLINDER, MEANS FIXED TO THE LOWER END OF SAID TUBULAR ROD FOR SUPPORT OF THE FIXED UNIT ON A GROUND SURFACE, SAID PLATE HAVING AN EXTENSION AT ONE SIDE THEREOF WHICH EXTENDS LATERALLY BEYOND THE SAID COLLAR TOWARD AN OBJECT ENCIRCLED BY THE SAID CHAIN AND HAS A SUBSTANTIALLY VSHAPED OBJECT ENGAGING RECESS IN THE OUTER EDGE THEREOF, AND SAID CHAIN COUPLING MEANS BEING SECURED TO THE UPPER SURFACE OF THE SAID PLATE AND EXTENDING UPWARDLY THEREFROM INWARDLY OF THE SAID V-SHAPED RECESS SO THAT PORTIONS OF THE SAID CHAIN WHEN COUPLED THERETO WILL BE SUPPORTED ON THE SAID PLATE AND ASSOCIATED EXTENSION.