Abstract: A utility cart which includes in a first preferred embodiment, a cart frame fitted with a pair of fixed rear wheels and a single, steerable front wheel and further including a divided ice chest with a hinged lid and a storage compartment lying adjacent to the ice chest. Removable chair supports are upward-standing from the storage compartment for stacking one or more folded lawn chairs or the like and to provide a location for hanging a trash bag. Four tables are hinged to the cart frame in drop-leaf fashion for selected horizontal extension and support. A pair of vertical umbrella brackets receive an umbrella support to shade the table tops.In another preferred embodiment of the invention the cart frame includes a receptacle for receiving an ice chest specifically designed for the purpose or a conventional ice chest, and in both embodiments of the invention a telescoping handle facilitates towing of the utility cart and positioning the utility cart in a desired location.

Abstract: A security bar assembly for preventing a door connected to a door frame mounted on a wall from being forced open, said security bar assembly including a rigid bar extending horizontally across the width of the door for preventing the door from being opened, a chain or cable connecting the rigid bar to the wall or frame, brackets for connecting the rigid bar to the door frame or wall.

Abstract: A double-bladed scalpel for cutting tissue sections from a tissue specimen for microscopic examination and the like. In a preferred embodiment the double-bladed scalpel is characterized by a pair of scalpel blades disposed in parallel, substantially coplanar relationship with respect to each other and connected to each other by a connecting element which may be folded such that the cutting margin of each scalpel blade is positioned in parallel, adjacent relationship with respect to the cutting margin of the opposite scalpel blade. One of the scalpel blades is provided with a handle slot for receiving a correspondingly-shaped blade mount protuberance formed on conventional scalpel handles to removably mount the double-bladed scalpel on the scalpel handle.

Abstract: A toothpaste dispensing apparatus which is designed to enclose a disposable toothpaste tube and sequentially dispense toothpaste from the tube spout by operation of a pair of spring-loaded rollers. The apparatus includes a container having a pair of longitudinal slots, a removable cap and a toothpaste dispensing valve in the cap for registering with the threaded toothpaste tube spout and dispensing toothpaste from the tube spout on demand. A pair of rollers is disposed in the apparatus and the rollers are attached to oppositely-disposed, spring-loaded roller tabs at the container slots, wherein the rollers seat on opposite sides of the toothpaste tube inserted in the apparatus and are biased upwardly against the toothpaste tube by the springs. The springs are sufficiently strong to exert constant pressure on the toothpaste tube and the encapsulated toothpaste and facilitate dispensing of a controlled quantity of toothpaste from the tube spout upon manipulation of the toothpaste dispensing valve.

Abstract: A drill bit characterized by a body fitted with multiple, spaced blades having a forward sweep relative to the center of the bit and cutting elements embedded in the blades at a selected back rake and side rake. In a preferred embodiment the cutting elements are cylindrical and are shaped to define first and second bevelled cutting edges disposed at selected bevel angles with respect to the sides of the cutting elements. The cutting elements are strategically located in the respective blades in desired forward sweep, back rake and side rake configurations to facilitate optimum cutting efficiency and channelling of drilling fluid pumped through the drill bit around the blades and cutting elements to clear the cutting elements of formation cuttings in an optimum manner.

Abstract: The present invention relates to a method and apparatus for shredding annular objects, preferably the carcasses of discarded tires, into multiple uniformly shaped pieces. More specifically, the present invention includes a novel multi-stage apparatus which automatically divides tire carcasses into two side wall sections and a tread section. The apparatus then further divides the wall and tread sections into multiple relatively small, uniform pieces. The pieces so formed are suitable for a variety of purposes, including recycling.

Abstract: A method of balancing and aligning wheels on trucks which includes the steps of removing the bearing slack from the truck wheels by tightening the bearings; trimming or "trueing" the tires of the elevated drive tandem to the center of each axle as the center of the respective tire rotational circle; marking the axle hub to insure re-mounting of the tires in the same position on the axle hub; utilizing a strobe light and vibration sensor to detect weight imbalances in each set of trimmed wheels when the wheels are spun at high speed as the frame of the truck is jacked, and balancing each set of the trimmed wheels by adding weight to the areas on the wheel rim where balancing weight is needed; setting or adjusting the wheel and axle alignment using laser beam equipment and wheel alignment racks fitted with levels; and providing balanced brake drums in the wheels, if necessary.

Abstract: A crop or produce cutting assembly for mounting in a combine header, which assembly is characterized by multiple cutter blades mounted by means of a pair of blade mount brackets on the platform of the combine header, such that the cutter blades are located in close proximity to the combine cross auger. The blades serve to cut vines associated with crop or produce such as soybeans which tend to wrap around the rotating cross auger and reduce efficient processing of the crop through the combine. In a preferred embodiment of the invention the cutter blades are characterized by triangular, double-serrated blades and the blade mount brackets are adjustable to facilitate location of the blades in a selected close proximity to the rotating cross auger. The blades are spaced from each other to facilitate access by auger fingers projecting from the cross auger, which fingers aid in movement of the crop or produce from the rotating cross auger through the combine.

Abstract: A wall penetration sleeve for extending a conduit or pipe through a solid concrete, brick or other wall or connecting a first pipe provided on one side of the wall with a second pipe provided on the opposite side of the wall. The wall penetration sleeve is characterized by a cylindrical sleeve extending through the wall and internally threaded on each end to receive a corresponding pressure nut. Each pressure nut seals an o-ring or gasket in the corresponding end of the sleeve to form a moisture-tight seal between the sleeve interior and the interior of the wall such that liquid or gas cannot leak from the sleeve and accumulate in the interior of the wall as the liquid or gas flows through the pipe. An annular lock collar is either eccentrically mounted on the sleeve or includes a flat segment shaped in the collar edge to prevent the sleeve from rotating or moving transversely in the wall.

Abstract: A pressure coupling for facilitating connection of an air pump with a water faucet to expel water from water lines connected with the faucet by operation of the air pump. In a preferred embodiment the pressure coupling includes a valve stem threadably seated in a metal cap which threads on the spout of the faucet. The hose of a manual or automatic air pump is threaded on the valve stem to pump air from the air pump into the faucet and through the water pipes connected to the faucet to clear the pipes of water and prevent the pipes from freezing and bursting in freezing weather.

Abstract: A boat and utility trailer including an elongated, cylindrical wheel rotatably mounted on the trailer axle between the conventional trailer wheels to support the trailer on sand, mud or the like as the trailer is towed over soft terrain by a vehicle. In a preferred embodiment the boat and utility trailer is characterized by a horizontal tongue support provided with an axle support or bracket extending vertically downwardly from each end of the tongue support. An axle extends through the axle supports and a trailer wheel is journalled for rotation on each end of the axle. A tongue extends forwardly from the tongue support and is fitted with a trailer hitch on the extending end for connection to a towing vehicle.

Abstract: Sucker rod guide clamping devices which in a first embodiment include a scissor clamping device provided with a pair of pivotally-disposed clamping jaws pivotally attached to corresponding pivoting jaw arms. One of the clamping jaws is provided with a projecting plate for engaging a sucker rod and the oppositely-disposed clamping jaw includes a pair of engaging flanges for receiving and seating a slotted sucker rod guide, wherein the sucker rod guide is installed on the sucker rod by pressure applied to the jaw arms. In a second embodiment a piston clamping device includes a C-shaped frame, in which is mounted a fluid cylinder, with a pair of engaging flanges provided in the frame for receiving a sucker rod guide and a fluid cylinder piston adapted to engage a sucker rod. Operation of the fluid cylinder extends the piston, forces the sucker rod into the sucker rod guide slot and installs the sucker rod guide on the sucker rod.

Abstract: A dispensing system and apparatus for introducing contrast media intravascularly during catheterization procedures, which includes connected segments of tubing that serve as a flow path into the vascular system. A spike is provided at one end of a first segment of the tubing for "spiking" a bottle of contrast media. A stopcock is also provided in the first segment of tubing and a luer lock fitting is attached to the stopcock for connecting a second length of IV (intravascular) tubing fitted with a companion luer lock fitting. In a first preferred embodiment a top check valve is provided in the second segment of tubing, which terminates in the top of a reservoir. A second stopcock is connected to the bottom of the reservoir and a third length of IV tubing projects from the second stopcock and receives a bottom check valve and a second luer lock fitting for securing the bottom end of the third length of IV tubing to a conventional manifold.

Abstract: A reaction time enhancer for gradually decreasing a user's reaction time in aiming a shotgun at clay pigeons in trap shooting and other clay target sports, through repeated use. In a preferred embodiment the "T"-shaped reaction time enhancer is characterized by a horizontal rectangular bar provided with a shorter, vertical rectangular bar perpendicularly mounted on the bottom surface of the horizontal bar. A green lamp is provided on the vertical bar and seven spaced orange lamps are provided on the horizontal bar. The vertical bar contains a suitable electronic circuit which can operate the lamps in one of two different modes. In the first mode, which simulates singles trap shooting, a user initially aims a shotgun at the illuminated green lamp, then as quickly as possible, transfers his aim to a randomly-illuminated orange lamp.

Abstract: A portable, adjustable blind for hunters, which blind includes at least one panel characterized by a fixed frame and an adjustable frame telescoping into the fixed frame with camouflaged panels attached to the fixed frame and the adjustable frame for adjusting the height of the blind in the field. In a preferred embodiment the camouflaged panels are attached to the fixed frame and the adjustable frame by means of removable clips and multiple panels may be joined in hinged relationship by means of hinge clips to facilitate construction of a blind on substantially any terrain and in any desired configuration.