Steam or hydraulically operable winch

Claim 1

A FLUID PRESSURE MOTOR OPERATED WINCH COMPRISING, IN COMBINATION, A REVERSIBLE FLUID PRESSURE OPERATED MOTOR POSITIVELY DRIVEN BY FLUID PRESSURE IN EACH DIRECTION OF OPERATION; A ROTATABLE WINCH; A DRIVE MEMBER COAXIAL WITH SAID WINCH AND ROTATABLE RELATIVE THEREOF; DRIVING MEANS INTERCONNECTING SAID MOTOR AND SAID DRIVE MEMBER; TENSION MEANS INTERCONNECTING SAID DRIVE MEMBER AND SAID WINCH FOR CONJOINT ROTATION, WHILE PROVIDING FOR RELATIVE ANGULAR DISPLACEMENT THEREOF IN ACCORDANCE WITH TENSION ON A HAWSER CONNECTED TO SAID WINCH; A FLUID PRESSURE SUPPLY LINE; A FLUID PRESSURE EXHAUST LINE; FIRST AND SECOND CONDUITS CONNECTED TO SAID MOTOR FOR SELECTIVE POSITIVE FLUID PRESSURE OPERATION OF THE LATTER IN REVERSE DIRECTIONS IN ACCORDANCE WITH THE RESPECTIVE CONNECTIONS OF SAID CONDUITS TO SAID SUPPLY AND EXHAUST LINES; A REVERSING VALVE INTERPOSED BETWEEN SAID SUPPLY AND EXHAUST LINES AND SAID CONDUITS, AND INCLUDING A RECIPROCABLE SLIDE MOVABLE BETWEEN A FIRST POSITIION, CONNECTING SAID FIRST CONDUIT TO SAID SUPPLY LINE AND SAID SECOND CONDUIT TO SAID EXHAUST LINE AND A SECOND POSITION, CONNECTING SAID SECOND CONDUIT TO SAID SUPPLY LINE AND SAID FIRST CONDUIT TO SAID EXHAUST LINE; A MOVABLE OPERATING MEMBER CONNECTED TO SAID SLIDE TO RECIPROCATE THE LATTER BETWEEN ITS TWO POSITIONS; AND CONTROL LINKAGE CONNECTED TO SAID OPERATING MEMBER, TO SAID WINCH AND TO SAID DRIVE MEMBER, AND EFFECTIVE TO DISPLACE SAID SLIDE TO CONTROL THE DIRECTION OF POSITIVE FLUID PRESSURE OPERATION OF SAID MOTOR IN ACCORDANCE WITH THE HAWSER TENSION AS MEASURED BY THE RELATIVE ANGULAR DISPLACEMENT OF SAID WINCH AND SAID DRIVE MEMBER.