Description: STATIONARY AND PORTABLE MIXING, REMIXING, AGITATING, AND BATCHING APPARATUS FOR CONCRETE AND OTHER BULK MATERIALS, AND CONTROLS FOR SUCH APPARATUS; TRUCK MIXERS AND CONCRETE MIXERS FOR MOUNTING ON TRUCKS; CONCRETE CONVEYING, DISTRIBUTING, SPOUTING, AND FINISHING MACHINES FOR ROADWAYS, CURBS AND SIDEWALKS; SOIL AND ROADWAY STABILIZATION, GRADING AND COMPACTION VEHICLES; POWER-OPERATED HAMMERS FOR TAMPING AND BREAKING SOIL AND ROADWAYS; ROTARY AND PISTON PUMPS FOR LIQUIDS AND SEMI-LIQUIDS; APPARATUS AND VEHICLES FOR SPREADING GRANULAR OR SEMI-LIQUID MATERIALS ON ROADWAYS; CONVEYORS; ELEVATORS; BELT IDLERS AND PULLEYS; TRAVELING WATER SCREENS SUCH AS FOR WATER-INTAKE SYSTEMS; SCREENS OF THE VIBRATING AND NON-VIBRATING TYPE FOR SAND, GRAVEL, AND OTHER SOLID MATERIALS; CONVEYOR BUCKETS; BULK MATERIAL HANDLING AND FEEDING SYSTEMS COMPRISING FEEDERS, HOPPERS, BINS AND/OR GATES THEREFOR; POWER TRANSMISSION AND CONVEYOR CHAINS AND ATTACHMENTS THEREFOR; SPROCKETS; SHAFT COUPLINGS; SHAFT BEARINGS; FLUID-OPERATED CYLINDERS, POSITIONERS AND SHOCKABSORBERS FOR MACHINERY; FLUID FLOW PRESSURE REGULATORS AND LUBRICATORS; KNIVES AND BLADES FOR AGRICULTURAL AND INDUSTRIAL MACHINERY; SETTLING, COLLECTING, REMOVING, WASHING, FLOCCULATING, AND AGGLOMERATING APPARATUS FOR LIQUID CLARIFICATION, SEPARATION, TREATMENT AND PURIFICATION SYSTEMS; AND PARTS FOR THE FOREGOING
