Abstract: A dual activated pneumatic actuator system for a patient call system includes a dual function hand held actuator for a pneumatic patient call system and having first and second air pressure domes; a pneumatically actuated switching device including two cylinders, contact pins and C-clips connected to the contact pins; and an air conduit system connecting the dual function hand held actuator to the pneumatically actuated switching device. When a first air pressure dome is depressed pressurized air forces a cylinder against its respective pin and C-clip to create a first circuit whereby an electrical signal is sent to an alarm system in the nurse station and when the second air pressure dome is depressed pressurized air forces the other cylinder against its respective pin and C-clip to create a second circuit whereby an electrical signal is sent to an electronic device, for example television or radio.

Abstract: A pneumatically actuated switching device includes an electrical connection with a conductive element and an interchangeable air connector assembly having an air conduit for receiving pressurized air from a pneumatic actuator. The pressurized air is directed into the housing of the switching device and forces a conductive plunger against the electrical connection for completing a circuit to produce a signal in a patient call system. The connector assembly has a snap fit connection constructed to selectively position the air conduit at a predetermined angle relative to the electrical connection, i.e. a first snap fit connector position the air conduit at a right angle with the electrical connection, and a second snap fit connector position the air conduit in alignment with the electrical connection. A method includes selectively inserting the first snap fit connector and the second snap fit connector into the housing depending on a desired system configuration.

Abstract: A conveyor belt drip pan assembly having a deck frame with a main surface section for receiving falling particles from a traveling conveyor belt. Elongated upright ramp members are secured to the sides of the deck frame. A scraper blade is reciprocally movable by a power source opposite the direction of travel of the conveyor belt and arranged to scrape particles off the main surface section of the deck frame. The scraper blade is moveable in the reverse direction elevated on the ramp members above the main surface section of the deck frame.

Abstract: Apparatus and method for treating by injecting a fluid treatment material into porous structures such as those formed from concrete, brick, stone, marble, and wood. The apparatus includes an applicator head having an inner chamber and an outer chamber surrounding the inner chamber both of which chambers are connected with a vacuum source. The inner chamber is also connected with a source of pressurized liquid treatment material. The method is for treating such porous structures and includes the steps of engaging the structures with the applicator head, drawing a vacuum on at least the outer chamber to secure the applicator head to the structure, and supplying the pressurized liquid treatment material to the inner chamber to impregnate the structure to be treated.

Abstract: A drag board for use in a coil processing line for tensioning or wiping a continuous line of strip material using a substrate to which is selectively secured a contact pad. The leading edge section of the substrate is constructed and arranged for receiving a locking bar which may be activated to apply or release a compressive, securing force on one edge section of the contact pad. Releasing the locking bar permits removal of or emplacement of a contact pad from or onto the substrate.

Abstract: A device for cleaning vehicular lug nuts or lug nut covers and the surfaces of lug nut or lug nut cover receiving receptacles of hub caps or rims. The device includes scouring fingers pivotably mounted on a base member and defining a socket for receiving the outer sections of lug nuts or the entirety of lug nut covers. The inner surfaces of the scouring fingers engage for cleaning the lug nut or lug nut cover. A scouring pad is mounted on the inner end of a reciprocating shaft supported by the base member. The scouring pad engages for cleaning the end surfaces of a lug nut or lug nut cover, and is shaped to selectively engage the inner surfaces of the scouring fingers to urge them radially into cleaning engagement with the receptacle surface when the shaft is moved axially into the socket formed by the scouring fingers. Reciprocating or rotating this device will serve to scour the lug nut or lug nut cover and receptacle surfaces.

Abstract: A picnic table including a flat table section and four equally arcuately spaced support assemblies. Each support assembly has interconnected detachable elements. There is a lower seat base shaped for engaging a generally horizontal surface. Upwardly extending seat leg members are secured to each end of the seat base. A secondary leg member is fixed at its lower end to the inside of the seat base and its upper end fixed to the underside of the table. A pair of parallel wing members is arranged above its seat base, one each being fixed to the secondary leg. An angle brace is fixed between the inner section of the wing member and has its upper end fixed to the underside of the table. A top brace is fixed at one end to the wing member with the other end fixed to wing member of an adjacent support assembly. A flat seat assembly is fixed to the upper outer section of the wing members and to the upper ends of seat legs.

Abstract: A process for performing reactions in a liquid-solid catalyst slurry where feed gases pass continuously upward through the slurry bed contained in a reactor vessel and operating at elevated temperature and pressure; convening the gases to liquid and vaporous products; withdrawing the liquid products through a shaped-wire filter element having precise slit openings in the range between 0.5 and 100 microns; and exiting from the bed and then from the top of the reactor vaporous products formed in the slurry and any unreacted gas. The filter element retains in the bed the solid catalyst particles larger than the slit width. The liquid is withdrawn to an accumulator external to the reactor vessel. The accumulator and the liquid chamber inside the filter element have unrestricted venting to the space above the expanded slurry bed. Liquid is withdrawn from the accumulator, while holding a suitable fixed level. The filter system neither plugs nor forms a cake during sustained operation.

Abstract: A fishing lure having a flexible head section connected by a flexible shaft to a flexible tail section. A cup-shaped mid-section is formed on the forward end of the tail section and surrounds the rearward portion of the flexible shaft. The mid-section is formed of a resilient material and is shaped such that it will flex rearwardly and fold over as the lure is drawn through water above a certain speed and will return to its original shape as the speed of the lure decreases. The lure will move and oscillate as water flows along the lure and the speed of the lure through the water is increased and decreased.

Abstract: A wire filter element having slit openings of between 0.5 and 100 microns, and a method of manufacturing the filter element are disclosed. The filter element includes a plurality of generally parallel spaced elongated filter wire members having a trapezoidal cross-sectional shape, or rectangular cross-sectional shape separating pairs of trapezoidal shaped filter wires. Laterally extending support bars secure the filter wire in place. Ridges are formed on one side of the trapezoidal filter wires and on both sides of the rectangular filter wires. The ridges have lateral dimensions the same as the desired slit openings between adjacent filter wires. The filter wires are secured in place with the ridges engaging the upper side portions of adjacent filter wires. The ridges may be permanently fixed with the filter wires or removable after the filter wires are secured in place to define the slit openings.

Abstract: A float assembly for buoying ropes, cables, pipelines, or any other type of line, completely surrounds the line to which it is attached. The assembly is formed from a plurality of preferably identical circumferentially adjacent float pieces. The pieces attach to one another along radial planes which contain semipermanent attachment means. As each chamfered circumferential piece is added to the last the line is gradually surrounded by the whole of all the pieces. This allows the float to be attached or removed to an existing long line without the need to thread the line through the float assembly. Bands or straps are used to permanently secure the individual float pieces in place upon the line. The line passage hole may be sized or shimmed so as to firmly secure the float assembly on the line.

Abstract: A pizza screen or pan receiving and holding assembly for use in combination with a pizza baking oven is disclosed. The assembly includes a main frame formed of side and end rails interconnected in a generally rectangular pattern with casters provided at the four corners to position the main frame in the open space beneath the baking sections of pizza baking oven. Cross members extend laterally of the side rails to define an open lattice for receiving pizza baking screens or baking pans. Upright members extend upwardly from the front and rear sides of the main frame. A box support frame of a generally rectangular shape formed of interconnected side and end shaft members is secured to the upright members and is inclined rearwardly downwardly. A plurality of boxes sized to receive different dimensioned pizza screens or pans are removably received on the box support frame. The boxes have opened front ends and closed rear ends.

Abstract: A corner joint for locking in place the upright and horizontal rail members of a modular assembly is disclosed. The rail members are interconnected to form an open frame defining box-like modules for supporting shelving, side wall members, doors, and such like components. The corner joint positively locks the rail members in place and includes similarly shaped forks formed at the end sections of the horizontal rail members and a fork formed at an end section of the upright rail member. The tynes of the forks of the horizontal rail members are provided with slots on the opposite side faces thereof. The tynes of the forks of one horizontal rail member snugly and securely receive in the slots thereof the inside surfaces of a mating fork of another horizontal member. The inside surfaces of the tynes of the upright member are snugly and securely received in the slots of the tynes of the one horizontal rail member.

Abstract: Surface treated titanium and titanium alloy articles having a thin anodized film substantially of TiO.sub.2 and characterized by a leakage current of less than about 25 microamps per square centimeter and a dielectric strength of at least one million volts per square centimeter, together with a high breakdown potential and high corrosion resistance, is disclosed. The process for forming such titanium and titanium alloy articles is also disclosed and is characterized by anodizing the articles in a substantially non-aqueous solution of a mineral acid and an organic solvent at a formation current above 0.1 microamps per square centimeter.

Abstract: An abrading and cutting tool assembly particularly adapted for use in auto body repair is disclosed. The assembly includes a tool body of a rectangular, disc, or cylindrical shape, and means on the tool body for connecting it to a drive assembly such as a reciprocating or revolving sander assembly. A plurality of successive spaced cutting and abrading blades, all of which have a toothed, saw-like cutting edge, are secured at an acute angle to the surface of the tool body. The ideal angle the blades make with the surface of the tool body is 45 degrees, and all of the blades are inclined and facing the same direction for abrading and cutting.

Abstract: A car-mounted article carrying bracket is disclosed. The bracket includes inner and outer upright members joined at their respective lower ends to define an article receiving section. An arm element extends inwardly from a lower section of the inner member. Secured to the arm element is a car engaging member shaped to be received and firmly secured in a joint between either the hood and fender or trunk lid and fender of a car. Struts are provided from the upright members. A brace shaped to engage the fender of a car to which the bracket is secured is fixed to the lower sections of the struts, and serves to assist in supporting the bracket in its article receiving orientation. One each of the brackets may be secured to the hood and trunk of a car whereby long articles may be supported by the brackets. An elastic tie-down rope wrapped around the upright members or around one of the members and a strut serves to hold the carried articles in place.

Abstract: A cleaning plug assembly for cleaning condenser and heat exchanger tubes and the like is disclosed. The plug is adapted to be propelled through a tube by fluid pressure injected into the tube, and includes an elongated body supporting annular rings extending radially outwardly for contacting the inner surface of a tube. The rings are selectively removable from the body of the plug and are formed to circumferentially contract and expand within the tube to be cleaned. The rings are secured against free rotation on the plug body by projections formed in circumferential grooves formed on the body for receiving the rings. The projections are sized to allow contraction of the rings.

Abstract: A bicycle operated watercraft assembly is disclosed. A bicycle is mounted on a main framework including front and rear outrigger arms to which are secured a pair of laterally spaced floats. The front wheel of the bicycle is disposed in a rotatable channel to which is secured a steerable paddle for controlling the course direction of the watercraft. Propulsion paddles are rotatably secured at the rear of the main framework. The paddles are driven from the bicycle through the drive chain which is operatively connected with a shiftable gear train mounted on the drive shaft for the paddles. The bicycle is secured in place by front and rear struts which are adjustable in length to support different sized bicycles. Rear brackets hold the bicycle against rearward movement during operation.

Abstract: A load carrying skid assembly, particularly constructed for supporting coils of sheet metal or sheet paper, barrels and the like, is disclosed. The skid includes spaced parallel elongated base members having oppositely formed notches at obtuse angles inclined toward each other. Elongated load bearing members having slots complimentary in shape and size with the notches of the base members are interconnected with the base members with the slots and notches in engagement with each other. The interconnected load bearing and base members form a matrix for receiving and supporting a load. The base members are provided longitudinally extending grooves on their respective lower surfaces for receiving metal straps wrapped around the load to hold it on the skid.