Abstract: An electrode for an ozone generator of the type having a high tension electrode and a grounded electrode mounted in a spaced relation, one of the electrodes having a dielectric member applied to or mounted on one of the surfaces of the electrode, the dielectric member, including a layer of resilient dielectric material having a coating of particles of an inorganic material either sprinkled on or embedded in the surface of said dielectric material facing the other electrode.

Abstract: A sealed thrust bearing including a housing having a circular base, an outer cylindrical wall formed around the outer edge of the base, and a cylindrical hub at the center of the base spaced from and coaxial with the cylindrical wall, a thrust bearing positioned in the space between the wall and hub, the thrust bearing including an inner race centered on said hub, a set of ball bearings seated on the inner race, and an outer race centered on the hub and seated on the ball bearings, the outer wall including a collar formed around the outer edge of the wall and a V-shaped ridge on the inside of the outer edge of the collar located in a position to sealingly engage the outer edge of the outer race and an outwardly angled lip around the inside of the hub positioned to sealingly engage the inner edge of the outer race to thereby seal the bearing lubricant within the housing.

Abstract: An envelope stacking apparatus adapted to be positioned at the end of a discharge conveyor for an envelope insertion machine, the apparatus including an infeed conveyor for picking up envelopes from the discharge conveyor, a stacking assembly for stacking envelopes, the stacking assembly including a stacking conveyor and a pusher plate, a transfer conveyor for transferring the envelope stacks from the stacking assembly, a drive mechanism for driving the infeed conveyor and transfer conveyor continuously, the drive mechanism including a one-revolution clutch for intermittently actuating the stacking conveyor and a counter for tripping the clutch when a predetermined number of envelopes have been stacked in the stacker assembly.

Abstract: A ground level truck restraint assembly, including a casing adapted to be buried in a driveway in front of a loading dock, a restraining member mounted in the casing for movement between a storage position in the casing to an operative position projecting upwardly from the casing into the path of motion of the ICC bar on a truck and a housing having a slide mounted on the dock a cable having one end connected to the restraining member and the other end connected to the slide in the housing for moving the restraining member to the operative position when a truck is located at the dock.

Abstract: A water-solids separator including a casing forming a reservoir and having an inlet and an outlet, a perforated filter screen assembly positioned in said casing between said inlet and said outlet, an overflow weir in front of the outlet to define the depth of water in the reservoir, a baffle plate on the inlet side of said filter screen assembly to direct incoming water toward the filter screen assembly and a conveyor assembly on each side of the filter screen assembly for cleaning the surfaces of the filter screen assembly, each conveyor assembly including a number of wiper blade flights located in positions to move in abutting engagement across the surfaces of the filter screen assembly, each flight including a resilient wiper blade or brush to clean the perforations in the filter screen assembly.

Abstract: A dockboard comprising a ramp assembly, a frame for supporting the ramp assembly for pivotal movement in a pit formed in a loading dock, a hydraulic piston-cylinder assembly mounted on the bottom of the pit in the loading dock for pivoting the ramp assembly with respect to the supporting means, a lip assembly pivotally mounted on the free end of the ramp assembly, a hydraulic piston-cylinder assembly mounted on the ramp assembly for pivoting the lip assembly to an extended position forming a continuation of said ramp assembly, the ramp assembly including a tread plate and a plurality of hinge plates mounted in a parallel spaced relation on the tread plate, each hinge plate including an ear, and a stop bar mounted on the end of the ramp assembly in the path of travel of the ears for limiting the pivotal movement of the lip assembly.

Abstract: A floating caliper disc brake including a fixed mounting block, a caliper mounted to float on the fixed mounting block and being located in a position to bridge the edge of a disc, a first friction pad supported by the caliper for movement into engagement with one side of the disc, a housing mounted on said caliper on the opposite side of the disc, a second friction pad supported in the housing for movement into engagement with the other side of the disc, the caliper moving in response to the engagement of the second friction pad with the disc to move the first friction pad into engagement with the other side of the disc and a rubber spring on the mounting block to bias the caliper on release of the second friction pad from the disc to release the first friction pad from the disc, the caliper being free to move with respect to the ribs wherever the retraction capability of the ribs is exceeded by the movement of the caliper.

Abstract: A brake light switch and brake line connector assembly for a master cylinder, the assembly including a pressure actuated light switch having a threaded stem which is adapted to be connected to a threaded opening provided in the high pressure side of the master cylinder, the threaded stem including an inner passage and an annular groove around the outside connected to the passage by a port, and a Banjo connector assembly including a Banjo connector and a pair of soft metal washers, the Banjo connector being mounted on the annular groove in the threaded stem of the light switch and sealed thereon by the washers, to connect the master cylinder to the brake line.

Abstract: A punch and die assembly for forming a spot clinch joint between two or more laminated sheets, the assembly including a frame having a die cartridge and a punch cartridge mounted thereon, the die cartridge including a housing having a slitting and forming slot, a moveable die block forming one side of the slot, an anvil positioned in the housing and projecting into the slitting and forming slot, a spring for biasing the anvil into the slot and an adjustable screw assembly for limiting the motion of the anvil to correspond to the thickness of the laminated material; the punch cartridge including a housing having a punch mounted therein for reciprocal motion toward and away from the anvil; and a power source mounted on the frame and being operatively connected to move the punch through a continuous cycle of motion whereby a spot clinch joint will be formed on one side of the anvil in the laminated sheet material when placed in the space between the anvil cartridge and punch cartridge in each cycle of motion of

Abstract: A moving bed ion exchange apparatus including a loading vessel having a resin inlet and a resin outlet and containing an ion exchange resin bed, a feed liquid inlet and outlet for passing a feed liquid through the resin bed in the loading vessel, a U-shaped regeneration vessel containing an ion exchange resin bed, one end of the regeneration vessel having a first conduit in resin transfer communication with the resin outlet in the loading vessel and the other end of the regeneration vessel having a second conduit in resin transfer communication with the resin inlet of the loading vessel, a first resin passing control valve for controlling the flow of resin through the first conduit, a second resin passing control valve for controlling the flow of resin through the second conduit, a regenerant inlet connected to the regeneration vessel for introducing regenerant into said vessel, a displacement rinse inlet connected to the regeneration vessel for introducing a rinse liquid into said regeneration vessel to dipl

Abstract: A low fault current interrupting fuse assembly for a full range current limiting fuse of the type having a high fault current interrupting fuse element connected in series with the low fault current interrupting fuse assembly, said assembly including a first fuse element having a high melt temperature characteristic and a second fuse element having a low melt temperature characteristic, the first and second fuse elements being connected in parallel and having different diameters to provide current interruption at different time-current characteristics under low fault current conditions.

Abstract: An apparatus for applying tape to a moving press board web including a base for carrying a press board web, a slitter mounted on the base for cutting the web into three strips, a tape applicator for applying a strip of tape to the center strip, the tape being wide enough to overlap the edges of the adjacent strips, a second slitter for cutting the center strip in half and a die for cutting the strips into predetermined lengths.

Abstract: A corona discharge device having a roll electrode and a segmented corona discharge electrode assembly mounted in a spaced relation to the roll electrode, the electrode assembly including a number of electrode segments mounted in a staggered relation with respect to said roll electrode, each segment including a hollow tubular electrically conductive electrode and a cup-shaped insulator mounted on the end of the electrode, the insulator including a base having an opening in the center, a tubular wall section surrounding the outside of the electrode and a vent tube aligned with the opening in the base and extending into the electrode to provide a vent passage for drawing air or blowing air across the face of the surface of the base of the insulator, and an electricity conductive adhesive for securing the insulator to the electrode and providing an even electrical field between the base and the surface of the base race electrode.

Abstract: A fault sensing system for protecting a transformer, the system including a partial range current limiting fuse connected in series in the primary circuit for the network transformer, a normally open vacuum switch connected to the primary circuit and shunted to ground between the current limiting fuse and the transformer, a solenoid actuated assembly for closing the vacuum switch and a fault sensing circuit assembly operatively connected to energize the solenoid assembly, the fault sensing circuit being normally de-energized and including a current transformer mounted on the primary circuit and a low voltage fuse element connected across the current transformer, the fault sensing circuit assembly being energized on operation of the low voltage fuse element to momentarily energize the solenoid.

Abstract: A mixed resin bed deionizing apparatus for removing toxic or mineral substances from fluid passing through a loading vessel containing a mixed bed of cation and anion resins and a regeneration assembly for regenerating the cation and anion resins for return to the loading vessel, the assembly including a separation vessel for separating the cation and anion resins and two "U"-shaped regeneration vessels, one for regenerating cation resins and one for regenerating aniona resins, the resins being admitted to the regeneration vessels in predetermined amounts which are advanced through the regeneration vessels by removing a predetermined amounts of regenerated resin from the discharge end of the vessel, shifting the remaining resin in the vessel to refill the space in the discharge end and adding a corresponding amount of exhausted or loaded resin to the other end, passing a regenerant through the regeneration vessel counter to the direction of movement of the resin through the regeneration vessel and rinsing the

Abstract: An independent dockboard of the type adapted to be mounted in a pit in a loading dock, the dockboard including a main frame, a ramp pivotally mounted on the frame and including a tread plate assembly mounted for telescopic movement into and out of the ramp, the tread plate assembly including a tread plate mounted on a frame with a number of wheels for supporting the assembly for movement on the ramp, the tread plate assembly being pivoted about the axis of the wheels, a lift frame pivotally mounted on the main frame and operatively positioned to engage the ramp, a hydraulic piston and cylinder assembly operatively engaging the left frame and a second hydraulic piston and cylinder assembly operatively connected to move the tread plate assembly into and out of the ramp, and an over center toggle link assembly to lock the tread plate against the ramp.