Abstract: A one or two story housing unit for a cat includes an enclosure having a roof portion, three solid walls and one port wall containing an opening through which a cat can enter the enclosure. Extending from the port wall is an open top porch area substantially surrounded by a vertical wall over which the cat can step and lie down in the porch or enter the enclosure. In the one story embodiment, the port wall opening is spaced from the bottom of the port wall and that portion of the port wall below the opening forms a portion of the porch enclosure. In the two story embodiment, a horizontal panel is positioned in the enclosure and the port wall extends from the horizontal panel upward to the roof.

Abstract: A necktie has a central knot portion being positioned between a display portion and a tail portion. In one version, the warp angle of the knot portion is rotated ninety degrees from the warp of the display portion so that the stripes on the knot will be aligned with the corresponding stripes on the display portion when the tie is worn. In other embodiments, the knot portion is a different color or pattern from the display portion to permit coordinating or contrasting or styles between the knot and display portion. In yet another embodiment, the knot portion is made selectively replaceable at the discretion of the user to permit mix and match freedom.

Abstract: A slip knot wrist strap attachment for an item of equipment, such as a sport racquet, is fabricated from a single piece of tubular braid. One end of the braid is inserted through the core of the tubular braid from an insertion point thereof and fed through the inside of the tube to the other end of the tube to form an inner tube, an outer tube and a holding loop. The ends of the inner tube and outer tube are inserted through the formed holding loop and the outer tube is slid over the inner tube to close the holding loop, thereby forming a sliding loop from the insertion point. The sliding loop may fit around the wrist of the equipment user and the remote end may be tied to the item of equipment during use of the equipment.

Abstract: A valve for an internal combustion engine has a stem and head with differing diameters for the stem and the upper portion of the head. A radially irregular blend region placed between the stem and upper head is aligned to have a slight runout, that is, the axis of the blend region is not coaxial with the axes of the stem and head. The blend region is positioned on the valve to be below the valve guide when the valve is closed and in the flowpath of the fuel mixture when the valve is open. The radially irregular blend region creates additional turbulence which focuses the fuel mixture into the opening between the open valve head and cylinder head, thereby increasing the velocity of the fuel through the opening. In addition, a post in the fuel passageway deflects the fuel around the wider portion of the valve head.

Abstract: A hospital computerized system includes a terminal in all departments of the hospital for entering information pertinent to a patient's stay in the hospital. The initial information entered, as a part of the admitting procedure, includes the patient's history and admitting physician's physical examination results. It additonally includes the physician's orders for tests or hospital services to be performed. The system prints a history and physical report for the patient's chart and highlights the abnormal findings and complaints. The system additionally schedules all hospital services for the patient, thereby eliminating this responsibility from the nurses and other hospital personnel, and avoids situations where the patient is scheduled to be in two places at the same time. The scheduling system is capable of rescheduling tests or services in cases of emergencies.

Abstract: A composition for surface treatment of firearms and bullets provide a corrosion resistance and dry lubrication. It comprises an admixture of finely divided molybdenum disulfide and sodium molybdate in an organic solvent.

Abstract: An optical system for scanning a wide angle conical field of regard through a small aperture and with a narrow field of view device includes a first optical offsetting device rotated about a first axis coincident to the axis of the conical field of regard. The first offsetting optical device receives light along a second optical axis which at a certain acute angle with respect to the first axis. A second optical offsetting device is positioned at the output side of the first device and is rotated about the second axis. The second offsetting device also receives light along a third optical axis, which is at the certain angle with respect to the second axis. The first, second and third axes intersect in front of the system in the narrow aperture through which the viewing takes place. By rotating each of the two optical offsetting devices, an entire area having a field of regard of twice the certain angle from the viewing aperture may be mapped.

Abstract: A holder for a monofilament line used in a vegetation cutter, such as a grass trimmer or lawnmower, is divided into four quadrants and has a series of clips between each quadrant through which the monofilament line is woven for being held on the holder. The periphery of each quadrant is an arc slightly off center from the radial center of the holder, thereby creating a protrusion on the direction of rotation side of the clip area. This protrusion maintains hard objects, such as stones, away from the holder periphery on the other side of the clip area, thereby preventing the hard object from shearing off the monofilament line. In order to reduce the weight of the holder, recesses are formed on both sides thereof and the ground facing side recesses are angled to avoid the entrapment of grass in the holder. When the holder is used with an impeller type hovering lawnmower, the diameter thereof is made substantially the same as the diameter of the impeller to act as a shield for the impeller against abrasion.

Abstract: A ball screw has a plurality of planar tracks of bearing balls arranged around the inner surface of the nut of a screw and nut machine. The shape of each track is designed to fit around a planar cross-section of the screw threads and each of the plurality of tracks is oriented at different angles with respect to the other tracks. A carrier is placed between the nut and screw and maintains the bearing balls separated from one another. In addition, each of the plurality of tracks are spaced at a fraction of the pitch of the screw thread pitch. By making each track planar, the bearing balls circulate within each track independently of the other tracks. In addition, a technique to design the shape of the track for a given thread shape includes determining the tangential point of each ball along the thread. The tracks may be divided into groups having a forward drive and reverse drive bias and the track may be made larger than the bearing balls to reduce wear at the thread peak.

Abstract: A previewing profiler includes apparatus to scan the surface of an object and to provide a display relating to the smoothness of the surface at a microscopic level. The system includes providing a polarized collimated laser beam through a Nomarski type prism and focusing the resulting beams on the surface to be scanned. The system further includes a user operable rotatable mirror which may be inserted, upon operator command, between the laser and Nomarski prism, which mirror is designed to leak a small percentage of the laser light. Another source of noncollimated polarized light, provided through a condensing lens, is provided to the rotatable mirror to be directed along the same path through the Nomarski prism and to be focused at a point above the surface being scanned, thereby providing a substantially larger illuminated area on the surface. The reflected light from both the laser beam and additional noncollimated light is focused on a CCD array and then displayed on a display.

Abstract: A window bar security system has a grill of bars positioned outside a building window and held by a plurality of standoffs. Two of the standoffs are latching standoffs and extend from opposite sides of the grill through the wall and into the building and each latching standoffs includes a hole at the distal end. Four other guiding standoffs are inserted into receptacles against coil springs and the four guiding standoffs are positioned in pairs on opposite sides and equi-distant from each latching standoff. A pair of sliding bolt mechanisms are affixed to the inner wall of the building and positioned to permit the sliding bolt of each to fit into one of the latching standoff holes and to be moved towards the center of the window to release the latching standoffs. A pair of security pins are provided with one end designed to fit into a sliding bolt mechanism for preventing the unintentional movement of the sliding bolt and with another end shaped in the form of a hook.

Abstract: A case holds a medical spray container system, including the plastic container and a cylinder of medical fluid which is atomized and dispensed through an opening normally covered by a cap when not in use. The case is fabricated from three strips of woven material affixed together to hold the container and to protect the cap from falling off. Two of the three pieces of material are formed in closed loop configurations to fit respectively over the base and top of the container, including the attached cap. The third piece of material interconnects the first two pieces and functions as a hinge and cap cover to prevent the container cap from becoming dislodged and lost or damaged. The third piece is secured within the closed loop formed over the cap and top at a position adjacent to the cap. An elastic strip is also provided to permit the cylinder of spray to be replaced without the necessity of removing the entire container.

Abstract: Disclosed herein is a picture frame made entirely of injection molded transparent plastic material. The frame includes a generally planar front side and a back side divided into a viewing area and a border area. The viewing area is generally planar and the border area has corner support and positioning members extending from each of the four corners and a holding member extending from the central part of each of the sides. The holding member includes a positioning portion for assisting and positioning a picture and backing card to be inserted into the frame and extensions for holding the picture and backing card in place once positioned. In addition, the backing card includes a perforated line and two bend lines. Spacing between the corner members and support members allows a finger to break a perforated line and bend a portion of the perforation to form a stand for displaying the picture.

Abstract: A coincidence arbitration system for a sorting cytomteter which detects and sorts particles using a flow chamber and a stream of droplets. Those droplets containing selected particles are sorted by selectively applying a charge thereto and passing the droplets through deflection plates. After detection, the particle data is delayed and analyzed to make sort decisions. The delay is for a period of one and one fourth droplet time periods less than the time the particle is formed into a droplet. At the time the command is issued creating the charge on the droplet to be formed, the coincidence arbitration circuit looks four quarter droplet times ahead and behind of the event to determine whether a coincidence is occurring, and if so, whether the coincidence is with a similar type of particle or a different type of particle. Based on this information, appropriated sort or no-sort commands are issued.

Abstract: An x-ray lithography system is disclosed in which x-rays are generated by directing a high energy laser beam against a metal target to form an x-ray emitting plasma. The x-rays from the plasma are then directed through a mask towards a resist covered wafer to cause a patterned exposure on the wafer resist coating. The mask, the portion of the target which the laser beam strikes and the portion of the wafer to be exposed are all within an evacuated chamber. The laser, prior to entering the chamber, is split into two separate beams, each of which are focused and directed through a window in the side of the chamber towards the same spot on the target. Apparatus, including an air bearing, seal and positioner, is provided to move the target at periodic intervals. Similar apparatus is provided to move the wafer from exposure section to exposure section.

Abstract: There is disclosed a water-ski construction in which there is provided an elongated element having an upper and lower surface. The lower surface is divided, in the longitudinal direction, into a fore zone, a mid-zone, and an aft-zone, the lower surface of the element being adapted for contact with water. The fore-zone is designed by a single concave surface the nature of an arrow-like depression. The mid-zone is defined by first and second concave longitudinal channels separated by a sharp edge. The longitudinal channels extend throughout the mid-zone of the ski and into the aft-zone. The mid-zone further includes a flat surface which defines and frames the outer periphery of both the fore and mid-zones of the elongated ski element, thusly defining the outer transverse extent of the longitudinal channels. The depth of the concave longitudinal channels progressively deepens at the mid-zone and lessens at both the aft and fore zones.