20110056805 | MOVING FLOOR HYDRAULIC ACTUATOR ASSEMBLIES - A hydraulic moving floor actuator in a slat-type reciprocating moving floor system having movable floor slats arranged side-by-side in parallel, with each slat extending longitudinally along a conveyance path and interconnected with other slats to form groups of slats which may be extended or retracted in unison or one group at a time, that includes a fluid power cylinder controllably moving each group of interconnected slats and hydraulic circuitry that provides fluid communication between the rod side and the head side of each cylinder and causes extension of the cylinder when pressurized hydraulic fluid acts simultaneously upon the rod and head sides of the cylinder. In preferred embodiments, the actuator includes cylinders machined into a substantially unitary manifold, integrated electronic controls, embedded electronic piston position sensors, automatic jamming detection and automatic reverse for clearing jamming conditions, and other features not found in heretofore available slat-type moving floor systems. | 03-10-2011 |