Abstract: The installation of an air conditioning unit upon a roof having a sloping surface includes providing a framework having a first frame and a second frame which are joined for relative reciprocal movement whereby the framework can be secured to roof and adjusted to provide a horizontal seat for receiving the air conditioning unit thereon. Next provided is a plenum assembly having a first element and second element that are relatively adjustable to be secured to the roof and to the air conditioning unit. Chambers within the plenum assembly conduct air from the air exchange openings in the air conditioning unit to respective openings in the roof defining terminalia of the air conduit system with the respective structure.

Abstract: Apparatus for storing food and for keeping it warm and moist comprising a substantially water impermeable pouch that bounds an insulated food warming chamber, the pouch having opposing substantially coextensive lips capable of being moved apart for providing passage to the warming chamber and for providing a partial vapor lock for inhibiting moisture from building up in the warming chamber.

Abstract: The present invention describes a method including the steps of providing a single crystal semiconductor substrate, forming a layer of rare earth silicide on a surface of the semiconductor substrate, forming a first layer of insulating material on the layer of rare earth silicide, forming a layer of electrically conductive material on the first layer of insulating material, and forming a second layer of insulating material on the layer of electrically conductive material. In one embodiment the step of forming the layer of rare earth silicide includes depositing a layer of rare earth metal on a surface of the semiconductor substrate depositing a layer of insulating material on the layer of rare earth metal, and annealing the structure to form a layer of rare earth silicide in conjunction with the surface of the semiconductor substrate and a rare earth doped insulating layer in conjunction with the layer of insulating material.

Abstract: In a vehicle including a cab, having a windshield with opposed upper and lower edges, bounding an interior, a dashboard extending into the interior proximate the lower edge of the windshield, a hood extending forwardly of the cab proximate the lower edge of the windshield, a sitting position in the interior of the vehicle rearward of the dashboard, and a field of view to the hood through the windshield overlying the dashboard from the sitting position, improvements therein consisting of a visor, having a glare suppressing property, mounted in the field of view adjacent to the lower edge of the windshield and the dashboard suppressing glare from the hood in the field of view.

Abstract: A combustor includes a combustor head with an integrated counter-flow heat exchanger. The combustor head defines a combustion chamber and has a surface accessible for external delivery of thermal energy. The counter-flow heat exchanger has a fuel channel extending between a fuel inlet and a fuel outlet coupled to the combustion chamber, an exhaust channel extending between an exhaust inlet coupled to the combustion chamber and an exhaust outlet, and a shared wall between the fuel channel and the exhaust channel for transfer of thermal energy therebetween.

Abstract: A firearm includes a barrel having an end coupled to a receiver. A reciprocating bolt carrier is carried by the receiver and movable between a locked position and an unlocked position. The bolt carrier includes a buttress formed in a top surface thereof. A key includes a base having a rearward end and is coupled to the bolt carrier with the rearward end abutting the buttress.

Abstract: Sunglasses for infants and children includes an elongate integral member including a central portion having a central nose bridge, a lens opening on each side of the central nose bridge, and a temple extending rearwardly of the central portion at a bend in the elongate integral member on each side of the central portion. A lens-defining member is affixed to the central portion, and an elongate integral backing is affixed to the lens-defining member. The backing includes a central nose bridge opposing the central nose bridge of the central portion, and a lens opening on each side of the central nose bridge opposing the lens opening on each side of the central portion. A nose bridge pad is affixed to the backing, and a temple pad is affixed to the backing at each side thereof and to the temples maintaining the bends in the elongate integral member.

Abstract: An extendible and retractable electrical extension cord device is disclosed, which includes a housing adapted to be secured to a wall of a structure, and a reel mounted in the housing for rotation. An extension cord is wound about the reel, and has a first plug end in the housing and a second plug end extending outwardly through the housing and winding relative to the reel upon rotation thereof in a first direction, and unwinding relative to the reel upon rotation thereof in a second direction. An electric-powered drive assembly is mounted in the housing and is movable between an active condition rotating the reel in the first direction and an inactive condition permitting the reel to rotate freely in at least the second direction.