Abstract: A wind protection shelter that may be installed over a bed in a home. The shelter includes side walls anchored at the bottom to an immovable object, such as a concrete slab, and one or more access doors hinged to the top of the shelter and covering a portion of the top and a portion of at least one side of the shelter. The access doors may be rotated from their horizontal closed position to a vertical open position enabling the bed in the shelter to be used in a regular manner during normal weather conditions. Side walls and side portions of access doors of the shelter are equipped with escape hatches.

Abstract: A pair of scissor blades illustrated in (FIG. 4); each blade comprising a cutting edge (3) arranged below a blade protuberance relative to the direction of the cutting stroke. The protuberance comprises a cutting edge grinding surface (4), a pressing ridge (5) and a blade side surface (6). The protuberance presses on skin creating sensitive reactions in the user prior to the rear located cutting edge damaging the skin. The cutting edge degree of sharpness is predetermined at the factory. A method of manufacturing the invention and for modifying standard prior art scissor blade shapes by grinding a cutting edge at a new angle of sharpness that inherently produces the safeguarding blade protuberance.

Abstract: Airport structure for operating aircraft in one direction during landing, taxiing and take off in short, efficient distances. The aircraft lands on an approach runway connected to an apron. It then taxies across the apron in generally the same direction as on the runway. It departs on a runway located on the opposite side of the apron from the approach runway. Both runways are in parallel and the runways are spaced laterally in distance equal to the width of the apron. The taxi distance is the shortest possible distance measured directly between the two runways in a linear, noncircular dimension. The apron is unobstructed in this dimension by the runway connections defining the taxi passageway path between distributed aviation buildings on the apron rather than the buildings being grouped together so as to obstruct straight taxi paths.

Abstract: Airport structure for operating aircraft in one direction during landing, taxiing and take off in short, efficient distances. The aircraft lands on an approach runway connected to an apron. It then taxies across the apron in generally the same direction as on the runway. It departs on a runway located on the opposite side of the apron from the approach runway. Both runways are in parallel and the runways are spaced laterally in distance equal to the width of the apron. The taxi distance is the shortest possible distance measured directly between the two runways in a linear, noncircular dimension. The apron is unobstructed in this dimension by the runway connections defining the taxi passageway path between distributed aviation buildings on the apron rather than the buildings being grouped together so as to obstruct straight taxi paths.

Abstract: Semi-automatic self-propelled side sweeping mode of operation is provided by any of three forms of rotating members supporting and propelling a nozzle body over a work surface. Two of these members are designed as load bearing brush rolls while cleaning or polishing, one is a smooth cylinder and brush, the other is a dense brush-covered roll. These nozzle propelling members are arranged as pairs in tandem or in dual to their direction of travel over a work surface. The third form may operate in additional modes. Its propelling members comprise at least one pair of wheels. Each wheel is coaxial to a brush roll and may rotate with the brush roll or may free-wheel until clutched to rotate with the brush roll through linkage responsive to operator urging.An elongated handle is on the nozzle pointed in substantially the same direction as the nozzle propelling members.

Abstract: Agitator restrictor structure in combination with a revolving or a reciprocating type sweep drive is located close to the nozzle mouth in a suction cleaner by providing a cavity in the agitator structure for recessing the major portion of the cleaning brush to retain the designed bristle tuft lengths. In this location, the agitator structure restricts and changes the shape of the airstream at the nozzle opening to increase its speed, resulting in greater cleaning efficiency.

Abstract: A lightweight and durable solar collector employing a fibrous absorber. Sufficient fiber mass may be used to blanket all radiation. The absorber is disposed between a transparent cover and a heat insulating shield behind which may be a rigid collector container. A reflector disposed between the absorber and the insulation is optional. Air enters the collector passes into a duct near bottom of the absorber and across the width of the absorber, flows parallel to and through the thinnest dimension of the absorber conducting heat from the fiber at the depths of greatest absorption and then exits through a similar duct located near the top of the absorber and out of the collector.

Abstract: A low profile, light weight and economical evacuated-bottle solar collector module is described. A row of off-shelf high vacuumware bottles as used for soup or coffee, without their usual reflective silvering, are fitted with absorbers and have their open ends fixed in grooves for support and thermal insulation in a combination insulation-support carrying frame. Holes are adapted in the frame for passage of the heat transfer fluid. Additional insulation members form header ducts for an air transfer medium or provide insulation and support of liquid tight tubing for a liquid transfer medium.

Abstract: This invention provides for an unusually efficient, lightweight, economical and durable solar collector employing a fibrous absorber in an evacuated-tube type solar collector. The depth of the absorber, measured in centimeters more efficiently traps radiation than the shallow depth of a plate absorber surface. The fibers are arranged in irregular order with space for a fluid. Sufficient fiber mass is used to blanket all radiation. The absorber is disposed inside the inner tube of a two tube collector. The second tube fits about the inner tube in a manner that allows the space between the walls of the tubes to be evacuated of air. A reflector may be disposed inside the lower half of the outer tube to improve efficiency. A fluid enters one end of the collector and passes via ducts through the absorber conducting heat from the highly radiation absorptive fibers and exits the other end. The fiber may be compressed to opacity and a tube fitted within the ducts for the heating of another fluid in the tube.