Abstract: A sewage treatment system which includes a cylindrical treatment tank fitted with an air distribution system and an inverted, cone-shaped clarifier, wherein air is supplied to the aeration chamber of the treatment tank through the air distribution system by means of a compressor. The treatment tank is normally installed below the surface of the ground and the air distribution system includes downwardly-extending air drop lines, the plugged ends of which project at or below the plane of the bottom open end of the cone-shaped clarifier. The drop lines are provided with spaced air openings which face the clarifier and are located above the plane of the bottom open end of the clarifier, to facilitate optimum diffusion of air into the aeration chamber toward the clarifier from the drop lines, responsive to operation of the compressor.

Abstract: A device for maintaining the sterility of a patient and supporting medical instruments during both invasive and non-invasive procedures, which device includes a generally L-shaped member having a base panel for fitting beneath a patient and a supporting surface such as an operating table, an upward-standing side or end panel extending from the base panel and provided with an open window for accessing the patient and a horizontally-oriented instrument platform extending from the end panel parallel to the base panel above the patient's head, neck and shoulders, for receiving and deploying a drape and/or instruments during surgery. Gussets may extend from each edge of the base panel along the end panel to the instrument platform to strengthen the instrument platform.

Abstract: This invention pertains to an an archery bow sight and more particularly to a bow sight that automatically compensates for arrow trajectories of various target ranges and elevations when an arrow is shot from a position elevated above ground level. The sight can be manually adjusted to compensate for arrow trajectories of various ranges when an arrow is shot from ground level. In a preferred embodiment the bow sight is designed as one unit or assembly mounted directly to the bow with an adjustable bracket. The bow sight assembly has a fixed front sight and a rear sight which moves vertically to compensate for arrow trajectories of various ranges and angles. The rear sight is raised or lowered by a profiled cam positioned by a pivoting weight.

Abstract: A gin stand heat detection apparatus which includes a pair of infrared thermocouples typically mounted on the main frame weldment of a gin assembly in facing relationship beside the saw cylinder assembly and the doffing roller, for monitoring the temperature of the saw blades and ginning ribs in the saw cylinder assembly. The infrared thermocouples are electrically connected to a control panel, which control panel is, in turn, typically connected to a conventional gin stand control panel. The infrared thermocouple control panel includes a visual alarm system for notifying an operator that a high temperature condition exists at any point along the saw blades and interspaced ginning ribs between the facing infrared thermocouples. The apparatus is also capable of automatically separating the saw blades and ginning ribs in case of a high temperature event.

Abstract: An exhaust reduction system for reducing gas emissions in pipeline controlling devices which operate control valves, which system adjusts and reduces the pressure of a control stream of gas from a conventional line pressure regulator to the control valves. In a preferred embodiment the exhaust reduction system operates in cooperation with the conventional line pressure regulator which reduces the pressure of the gas from the pipeline to a selected system pressure and includes a system high pressure regulator, a system low pressure regulator and in some cases, a selector relay, for further reducing the pressure of the incoming gas and channeling the gas at reduced pressure to at least one controller.

Abstract: A ball check valve including a valve cage having at least three elongated rods longitudinally disposed in the valve cage wall and extending into the cage interior for contacting the ball to prevent wearing of the cage wall when the ball moves back and forth in the cage responsive to fluid flow through the cage and check valve. In a preferred embodiment eight such rods are rotatably disposed in respective rod cavities provided in spaced relationship with respect to one another in the valve cage wall, to present a varying contact surface on the rods as the ball moves in the cage and thus prolong the life of the rods. In a second embodiment, the rods are fixedly mounted in the respective rod cavities.

Abstract: A camper/trailer combination including an anterior camper having bedspace, kitchenspace and livingspace, mounted on a wheeled frame which includes a posterior boat or utility trailer. The combination is suitably adapted for towing by a pickup truck, automobile or other vehicle which has a conventional bumper or "gooseneck" trailer hitch mechanism. In one embodiment the utility trailer is adapted for carrying a boat and in another embodiment the utility trailer is modified to define a utility trailer for all terrain vehicles, bicycles, motorcycles and the like.

Abstract: A flexible safety screen which is designed for storage in an enclosure located above a doorway and deployment downwardly from the enclosure for tensioned attachment to the floor, in order to protect the occupants in a room from intruders. In a first preferred embodiment the screen is rolled on a shaft journalled for rotation in the housing and deployed by means of an electric motor and gear mechanism and according to a second embodiment of the invention, the screen is alternatively manually rolled on the shaft and deployed from the shaft and housing and tightened after being secured to the floor, by means of a crank and ratchet mechanism. In a most preferred embodiment of the invention the screen is characterized by flexible nylon webbing.

Abstract: A Christmas tree stand which is characterized by a base for resting on a supporting surface, a ball assembly swivally secured to the base in universally-pivoting relationship by means of a fixed socket bracket and a cooperating movable socket bracket and a mount cup secured to the ball assembly for receiving and mounting the trunk of a Christmas tree. The mount cup and ball assembly are designed to pivot and swivel in a 360-degree rotation to orient the tree in a vertical position regardless of the configuration of the trunk. In a preferred embodiment accessory leg extensions are adjustably slidably extendable from the base for further stabilizing the Christmas tree stand.

Abstract: A pest-proof feeding device for containing food for an animal and preventing pests such as snails, ants, birds and roaches from scavenging or contaminating the food, while enabling a pet or other animal to access the food. In a preferred embodiment, the pest-proof feeding device is characterized by a generally dome-shaped housing which is divided into a posterior food storage compartment and an anterior food access compartment having a food access opening which is reversibly sealed by a food access panel pivotally mounted on the housing. The housing may be threadably mounted on a food bowl or shaped in one piece and pelletized animal food is loaded in the food storage compartment and food bowl through a threaded opening provided in the apex of the housing. An animal such as a dog or cat accesses the food in the food bowl by pushing against the food access panel to pivot the food access panel from a closed position into the food access compartment.

Abstract: A tube alignment spacer bracket for mounting on a tube alignment bracket which is, in turn, mounted on or shaped integrally with the seed distribution tube of a seed planter, to align the planter insecticide tube or tubes in close proximity to, and in a vertical plane with, the discharge opening of the seed distribution tube and insure that liquid insecticide or fungicide dispensed through the insecticide tube or tubes is deposited in a furrow in close proximity to seeds expelled from the seed distribution tube. In a preferred embodiment the tube alignment spacer bracket is characterized by a Z-shaped bracket having a pair of slots, one of which receives one end of a tube alignment bracket fitted with a tube mount and the opposite slot of which receives one or more tube fittings, to which are attached one or more insecticide tubes.

Abstract: A form decking apparatus for use in paving concrete decking on bridges, which apparatus includes multiple elongated form channels oriented on conventional, adjustable cross supports or "whalers" extending between concrete or steel bridge beams, with T-plates spanning the spaces between the form channels to facilitate pouring concrete on the T-plates and form channels. In a preferred embodiment the form channels are deployed on the whalers by means of roller assemblies bolted to the whalers to facilitate minimum risk in traversing the beams and whalers by workmen. In another preferred embodiment of the invention each of the form channels is fitted with a pair of form release bolts which thread into corresponding release nuts welded to the form channels, to release the form channels and the T-plates from the poured and cured concrete decking on the bridge when the whalers are adjusted away from the form channels.

Abstract: A container with dual dispensers for allowing easy and complete dispensing of the container contents from either end of the container. In a first embodiment the container is characterized by a receptacle provided with a top dispenser on the upper end and a bottom dispenser on the lower end. The dispensers each include a pivoting lid or spout which reversibly seals a dispensing hole provided on the corresponding top or bottom surface of the container. In a second embodiment the top dispenser is characterized by a pivoting lid hinged at substantially the midpoint of the container top surface. In a third embodiment the top dispenser includes a spout pivoted to the top surface of the container and in a fourth embodiment the top dispenser is characterized by a threadably-mounted closure which pivotally carries a lid for reversibly sealing a dispensing hole in the top surface of the closure.

Abstract: A powdered insecticide bait composition which includes powdered dry pet food, powdered pyrethrin or pyrethroid and boric acid killing ingredients and a powdered clay drying agent. A method for preparing the composition, including the steps of grinding the dry pet food into a powder, adding the powdered pyrethrin and boric acid killing ingredients to the pet food granules and thoroughly mixing the ingredients. The resulting powdered mixture can be sprinkled around the baseboards of a structure to kill roaches or other scavenging insects and on ant mounds to kill ants, including fire ants. An additional step in preparing the composition includes a powdered oil-soak type clay drying agent to the mixture to maintain the mixture in a dry, fine, flowable powder.