Double-acting reversible wrench

Claim 1

A DOUBLE ACTING WRENCH FOR RELATIVELY TURNING A BOLT AND NUT OR LIKE WORK PIECE HAVING OPPOSITE END TURNING PORTIONS, COMPRISING; A HOUSING HAVING LATERALLY SPACED EXTENSIONS; A PAIR OF AXIALLY ALIGNED GEARS MOUNTED ON SAID EXTENSIONS TO BE LATERALLY SPACED AND TO BE ROTATABLE ABOUT A COMMON AXIS, AND HAVING AXIALLY ALIGNED OPENINGS THERETHROUGH; GEAR MEANS IN SAID HOUSING AND OPERABLE TO ROTATE SAID ALIGNED GEARS IN OPPOSITE DIRECTIONS ABOUT THE COMMON AXIS; DRIVE MEANS ON SAID HOUSING REMOTE FROM SAID ALIGNED GEARS FOR DRIVING SAID GEAR MEANS; SOCKET MEMBERS INTERCHANGEABLY SLIDABLE IN SAID GEAR OPENINGS FROM OPPOSITE OUTER SIDES OF SAID SPACED EXTENSION, WHEREBY ALIGNED SAID SOCKET MEMBERS ARE ADJUSTABLE FROM AND TOWARD WORK RECEIVED BETWEEN SAID EXTENSIONS; SAID SOCKET MEMBERS AND GEAR OPENINGS HAVING COMPLEMENTAL MEANS FOR KEYING THE SOCKET MEMBERS TO ROTATE WITH THE RESPECTIVE ALIGNED GEARS IN ALL POSITIONS OF SLIDING RECEPTION OF THE MEMBERS IN SAID GEAR OPENINGS; SAID SOCKET MEMBERS THEEBY BEING ADAPTED TO HAVE INTERNAL WORK-TURNING MEANS OF DIFFERENT SIZES, COMPLEMENTALLY TO RECEIVE THE OPPOSITE-END TURNING PORTIONS OF THE WORK PIECE WHEN SELECTED SOCKET MEMBERS ARE INWARDLY SLIDABLY RECEIVED THROUGH THE RESPECTIVE GEAR OPEINGS.