Abstract: A test stop assembly (40) for cooperative engagement with an oxygen box door (14) and an actuatable latching mechanism therefor (24) is comprised of a mounting member (42) for securing the assembly in proximate engagement with an actuator member (44) for the latching mechanism; a reciprocable, selectively rotatable stem (46) received within a barrel (48) on the mounting member; a biasing member (68) for maintaining the stem intermediate upper and lower limits of travel in a static, normal position; an eccentric stop member (86) borne upon the distal end of the stem disposed for projection into a mating aperture (92) in the door; a longitudinal guide slot (74) and a transverse guide slot (76) for receiving a guide tab (82) on the stem; and a pivotal latching lever (94) disposed intermediate the actuator and the latching mechanism for transferring an unlatching force from the actuator to the latch to open the door and for transferring a reset force from the eccentric stop member to the actuator in order to rese

Abstract: A barbecue cooking unit is comprised of a coal well having an open top, defined within a bottom wall and upstanding sidewalls; support legs for securing the coal well in a generally upright position; a lid depending from the rear support legs for compound degrees of movement relative thereto, being in pivotable engagement therewith to a closed position over the open top and in vertically sliding receipt therewith over an adjustable range in a cooking position; and grill support members on the lid member for receiving perforate grills; wherein the lid member is selectively pivotable into sealing engagement with the coal well for extinguishing coals contained therein when in the closed position and is selectively slidable over the vertically adjustable range to present the grill supports at a desired vertical level over the coal well when in the cooking position.

Abstract: A method and system for the noninvasive measurement of cardiac output of a mammalian patient on a real time, beat-by-beat basis as a combined function of the cross-sectional area of the ascending aorta and the systolic velocity of blood flow therethrough is comprised of the steps of and apparatus for pulsedly insonifying the ascending aorta of the patient with repetitive, intermittent ultrasonic energy propagating through the patient's cardiac window; receiving pulses of ultrasonic energy reflected from the anatomical structure within the first insonification zone, including energy reflected from the aortic walls and characteristic of the dimensional separation thereof; developing an aortic diameter signal indicative of dimensional separation; computing the cross-sectional area of the ascending aorta therefrom; then continuously insonifying the ascending aorta with uninterrupted ultrasonic energy; receiving a Doppler-shifted ultrasonic energy signal reflected from pulsatile blood flow through the ascending ao

Abstract: An existing pillow which has a tick enclosing a stuffing that has deteriorated is inserted into an envelope. The envelope is made of a yielding foam material having a wall thickness sufficient to mask irregularities in the stuffing of the existing pillow. The entire pillow, including the tick and the enclosed stuffing is inserted into the envelope, and the envelope is then sewn shut. The envelope with the existing pillow is then placed into a second tick to form the rebuilt pillow.

Abstract: A method of repairing a leak, where there is a water network with a main shutoff valve. An isolation valve is inserted in the pipe a short distance upstream of the leak, and the leak is repaired by using the local isolation valve to keep water from the repair location. This enables the main shutoff valve to be opened and distribute water to the other areas of the network. The isolation valve is particularly arranged to become a permanent part of the water system after the leak is repaired.

Abstract: A fan jet engine mounted below and rearwardly of the wing of an aircraft. There are a pair of mounting arms which are connected to and extend rearwardly from the rear spar of the wing and connect to the fan case and the core engine case. The major portion of the cowling structure is mounted to slideways, so that the cowling structure can be moved rearwardly to expose the engine for service and repair. The thrust reverser is mounted to the rear of the cowling.

Abstract: A building having window structures in exterior walls of the building. Each window structure has an exterior and an interior panel spaced from one another to define a plenum therebetween, with radiation absorbing blinds positioned in the plenum. The blinds absorb solar energy, and air from within the building is circulated through the plenum to absorb energy from the blinds. The heated air can be circulated through a heat exchange heat storage structure, and selectively discharged to the outside, circulated to another building portion, or recirculated into the same building portion. Control means are provided to combine outside air with the inside air being circulated to maintain proper temperature in the building within predetermined upper and lower temperature limits.

Abstract: A typing ribbon is carried by a carrier ring around a bundle of wires, while locating pins hold the ribbon spaced from the wires. A finger engages the ribbon and moves it laterally across one of the ribbon loops to form the tie. Then, an electrically heated weld bar engages the ribbon at the tie area to bond the ribbon portion to one another.

Abstract: A device to clean and lubricate valves of a musical instrument, such as a trumpet. There is a casing having a pair of openings, one opening having a peripheral cleaning pad, and the other a peripheral lubricating pad. The valve is selectively inserted in both openings for cleaning and lubricating.

Abstract: A method for fabricating a precision die having a line-and-space array by chemical milling the working face of an etchable workpiece to form a plurality of raised die elements separated and bounded by a plurality of cavities, including separating cavities and background cavities, is comprised of the steps of forming an etchant-resistant surface pattern of pockets penetrating slightly into the working face of the workpiece and at least partially overlapping and substantially conforming to the spatial disposition of a desired configuration for the die elements to be produced, and then selectively etching the workpiece in etchant-active regions intermediate and outwardly bounded by the pockets to undercut the same and form at least the conformation of the separating/background cavities within the working face.

Abstract: A cleaning device comprising a cassette housing and a cleaning ribbon mounted on spools within the housing. With the housing inserted into a video unit, the guide members of the unit move the cleaning ribbon outwardly into an engaged position to clean the operating components of the video unit.

Abstract: A hinge latch (10) is comprised of a first hinge latch plate (20) having a pair of pintle recesses (34) separated by a hinge boss (36) including hinge bores (42) disposed toward the pintle recesses; a second hinge latch plate (22) having a pair of pintle guides (56) of complementary geometric configuration with respect to the pintle recesses, these pintle guides bounded by a pintle guide recess (60) for receiving the hinge boss when the pintle guides are disposed within the pintle recesses; a first (66) and a second (68) pintle member, each comprised of a hinge pin member (70) received within a respective one of the pintle guides in a slot (58) formed therein and having a free distal end for projection within a respective one of the hinge bores for pivotal hinging movement of the first and second latch plates about a transverse axis, and a hinge pin plate (72) secured to the hinge pin having a lateral leg (74) terminating at its distal end in a diagonally disposed abutment edge (76); a biasing member (86) for

Abstract: A control surface lock (10) for flutter constraint of a control surface (14) of an aircraft in cooperative combination with an hydraulic actuator (12), wherein system pressure on the actuator maintains the lock in a dynamically bypassed configuration and loss of system pressure causes the lock to assume a constraint configuration providing a stiff link with the control surface, is comprised of a locking piston (82) secured to the control surface and disposed for reciprocable movement in a locking cylinder (90) upon actuation of the surface, first and second charged locking chambers (92, 94) within the cylinder disposed for series flow of fluid from one to the other upon movement of the locking piston through a bypass valve (100) biased to an open position and a flow splitter (74) having a parallel flow path from the actuator to serve for fluid exchange; wherein loss of system pressure interrupts the series flow and locks the piston in the constraint configuration for flutter protection of the control surface.

Abstract: An infrared radiation filter lens for aircraft lights is comprised of a heat-conductive filter frame disposed in heat-exchange relationship with an aircraft frame and/or its skin to dissipate heat in the filter frame to the aircraft body and the ambient; first and second window panels secured peripherally about longitudinal and transverse side edges by the filter frame in laterally spaced, generally conforming relationship defining a fluid cell therebetween; a fluid, infrared radiation filtration medium disposed for convective circulation within the fluid cell; and baffle members inwardly proximate the transverse side edges of the cell for deflecting convective circulation of the fluid along those sides of the frame. A method for infrared radiation filtration of aircraft lights is also disclosed herein.

Abstract: An oven having a heating chamber in which a perforate food container is rotatably mounted about a center axis of rotation. The container has, relative to its longitudinal center axis, a symmetrical octagonal configuration so as to comprise two planar end walls and eight symmetrically arranged sidewalls. The container rotates at a slow rate, and hot air is directed upwardly and laterally through the food in the container to heat the same. Formed in the upper wall of the oven is an elongate planar condensation chamber, and exhaust fumes from the cooking oven pass upwardly and forwardly into this condensation chamber, in a manner to combine with ambient air so as to lower the temperature and enhance condensation.

Abstract: A below-wing engine nacelle mounted by a pylon forwardly of a wing having a rearward sweep. The pylon upper outboard edge that extends forwardly of the wing is formed with a relatively sharp radius of curvature. Thus, airflow which flows over the top of the pylon in an outboard direction separates over the sharp pylon edge to form a vortex which passes beneath the wing adjacent the outboard surface of the pylon. This vortex maintains attached flow at the outboard pylon surface immediately beneath the wing to reduce drag.