Hydraulic machine of axial piston type

Claim 1

A POWER TRANSMISSION COMPRISING IN COMBINATION: A FRAME; PUMP MEANS TO SUPPLY OPERATING OIL; ROTATABLE SHAFT MEANS DEFINING A ROTATIONAL AXIS AND HAVING A LONGITUDINAL GROOVE THEREIN; A SLIDE PLATE VALVE DEVICE POSITIONED ABOUT SAID SHAFT AND HAVING A CONTACT FACE NORMAL TO SAID AXIS; CYLINDER BLOCK DEVICE POSITIONED ABOUT SAID AXIS AND HAVING A CONTACT FACE ON ONE SIDE, CYLINDERS IN THE OTHER SIDE AND POSITIONS IN SAID CYLINDERS, SAID CONTACT FACE OF THE BLOCK DEVICE BEING IN CONTACT WITH THE CONTACT FACE OF THE PLATE VALVE DEVICE; A SWASH PLATE DEVICE POSITIONED ABOUT SAID AXIS AND PIVOTAL WITH RESPECT TO SAID ROTATIONAL AXIS ABOUT A PIVOTAL AXIS TRANSVERSE TO THE ROTATIONAL AXIS, SAID SWASH PLATE DEVICE HAVING PRESSURE MEANS OPERATIVELY ENGAGING SAID PISTONS; INCLINATION ADJUSTING MMEANS OPERATIVELY ENGAGING THE SWASH PLATE DEVICE TO CONTROL THE INCLINATION OF SAID PRESSURE MEANS, SAID ADJUSTING MEANS INCLUDING A SINGLE ACTING CYLINDER MEMBER AND A PISTON MEMBER CONCENTRIC WITH SAID AXIS, ONE OF SAID MEMBERS BEING AXIALLY MOVABLE AND THE OTHER OF SAID MEMBERS BEING RESTRAINED AGAINST AXIAL MOVEMENT, SAID MOVABLE MEMBER BEING OPERATIVELY CONNECTED TO SAID SWASH PLATE DEVICE; AND CONTROL MEANS COMMUNICATING WITH SAID ADJUSTING CYLINDER TO ADJUSTABLY POSITION THE POSITION OF THE MOVABLE MEMBERND THEREBY SET THE INCLINATION OF THE PRESSURE MEANS OF THE SWASH PLATE DEVICE, SAID CONTROL MEANS INCLUDING A HOLLOW SLIDE IN SAID GROOVE, SAID SLIDE COMMUNICATING WITH SAID PUMP MEANS AND BEING MOVABLE LONGITUDINALLY TO CONTROL THE FLOW OF OIL THERETHROUGH TO SAID ADJUSTING CYLINDER, AND MEANS TO CONTROL THE POSITION OF THE SLIDE TO CONTROL THE POSITION OF THE MOVABLE MEMBER.