Abstract: An apparatus for testing body fluid or blood electrolytes in a body fluid or blood serum sample includes three testing stations. The blood sample is automatically transported from an input point serially and in a linear manner along a track past the three testing stations to an output point. The first testing station removes a first portion of the sample at a first location along the track and has a rotating structure including a container which receives and stores the first portion and rotates it to a first testing position at a first time. A testing structure tests the first portion while at the first testing position at that first time.The second testing station removes a second portion of the sample at a second location along the track and includes a second rotating structure including a container which receives and stores the second portion and rotates the stored second portion to a second testing position, also at the first time.

Abstract: This invention relates to a mine support for use in a hard rock deep level mine in which the hanging and foot walls in stopes are subject to closure. The support consists of a timber load-resisting element which is tightly housed in a sleeve of material which has a variable effective length and is adapted to contain transverse spread of the timber while the support is being compressed by the closing hanging and foot walls. It is essential to the invention that in use the grain of the timber element lies in the direction of the compressive load.

Abstract: A transparent photocell formed of two thin film layers of a semi-conductor material and an intervening thin film layer of a photoconductor material, a constant voltage being applied across the semi-conductor layers and the current through the cell being detected as a measure of the intensity of light incident on the cell. The thin film nature of the cell enables it to be combined with a lens of an optical system as a plurality of laminae coated onto a surface of said lens.

Abstract: A rotary piston engine has a plurality of sealing elements, each of which includes a cylindrical stationary bearing portion pressed into the rotor and at least one curved blade extending therefrom. The curved blade engages the race of the stator and is adapted to pivot into a curved recess in the rotor. The sealing elements may have a second curved blade extending from the stationary bearing portion oppositely from the first blade. The underneath side of the blades nearest the stator may have longitudinal grooves provided therein to facilitate their lifting from the stator surface. The sealing elements may be made from plastic or may be a two piece construction of plastic and metal.

Abstract: A high speed machine for imprinting code indicia consecutively upon individual articles moving in a line along the upper reach of a conveyor to an imprinting zone arranged along the conveyor path. The imprinting is performed by plural printing heads carried by an imprinting wheel. The speed of rotation of the imprinting wheel being correlated with the speed of the conveyor and the number of printing heads carried by the imprinting wheel. The articles are spaced uniformly one from the other a predetermined distance with their lateral movement being restricted during passage of the articles through the imprinting zone, a positive force being directed downward upon the top of each article at least at the time the imprint is applied thereto.

Abstract: Apparatus for shaping fodder feed and the like for flat storage thereof and having a molding channel mounted upon an undercarriage and compression roller means disposed therein. The compression roller means includes a roller having a shaft provided with a plurality of rigid tines or teeth arranged progressively spiraled about the circumference thereof for almost the entire length of the shaft. Said teeth are arranged in two adjacent sets or groups, each set or group completing part of a circumscription of the shaft. The teeth are arranged to cooperate with a stripping basket formed of spaced metal strips. Each set of teeth may be divided into outer and inner ones relative the ends of the roller. The tips of the teeth in the inner group have a smaller angular displacement relative to the adjacent teeth when compared with the angular displacement of the outer teeth, which are adjacent the sides of the channel walls when the roller is installed.

Abstract: A digitized linearizing correction apparatus has an input from a nonlinear responding thermocouple which produces a signal proportional to a temperature to be measured. An oscillator generates clock pulses at a first frequency which are fed to a counter and also are fed to a timing generator for alternately producing sample timing and count timing signals. A passive integrator receives the proportional signal during the sample timing signal and is discharged proportional thereto. A constant current source is coupled to the integrator during the count timing signal for charging the integrator at a constant rate. A comparator is coupled to the output of the integrator and also to a fixed referenced level for producing an output signal when the integrator is charged back to the reference level. The time from the start of the count timing signal until the integrator output signal is produced establishes a counting period.

Abstract: A collapsible airstream deflector is secured to the roof of a towing vehicle to deflect air over a towed vehicle when the vehicles are in motion to reduce the air resistance or drag and fuel consumption of the vehicles. The airstream deflector has pivotal arms secured to the rear surface of a sheetlike airstream deflecting member. The arms respectively are swung to planes, each of which is generally perpendicular to the plane of the deflecting member, the arms being locked in place by means of a single removable locking bar applied to the ends of the arms before the deflector is secured to the roof. When the deflector is removed from the vehicle roof, the locking bar is removed; then the arms are swung against the rear surface of the deflecting member so that the deflector can be easily stored. Notwithstanding the fact that the arms are easily pivotable, the deflector is self-stabilizing when the arms are locked in their operative positions by the removable locking bar.

Abstract: An automatic anti-theft device or lock is secured to a support of a portable apparatus to secure the apparatus against theft. The lock has two mating halves secured together to form a shatter-proof casing. One casing half includes a hollow spindle integral with the inside wall of the casing half, a retractile reel mounted on the spindle with a cable secured at one end thereto and wrapped around the reel. The second free end of the cable extends through one wall of the casing. The second casing half mounts a lock mechanism having a rotatable lock member which extends into the spindle when the casing halves are joined. The free end of the cable includes a lock cylinder which aligns with the rotatable lock member when it is inserted into the first casing half, and is secured by the rotatable lock member. The first casing member includes a slidable latch which is spring-biased to a first position to engage and latch the reel against rotation.

Abstract: A lumber lifting device for pieces of lumber transversely fed into the device in an elongate soaking basin. The lifting device has a concave hoisting surface with a front edge which aligns with an inclined ramp below the water level of the basin in a first reception position to receive a piece or pieces of lumber. The lifting device is rotated less than one-half a revolution to a second dumping position above the water level of the basin to discharge the piece or pieces of lumber. A curved stopping surface is connected to the front edge of the hoisting surface to prevent pieces of lumber from interfering with the rotation of the lifting device.

Abstract: A pressure reducing device for fluids which comprises an elongated body the peripheral surface of which is provided with grooves along its length. The body is tightly surrounded by a sheath. The length of the body is divided into a plurality of peripheral chambers in which axially extending baffles force the fluid to flow along three forward steps and one reverse step within each chamber changing always the direction at about 90.degree. angles.

Abstract: A selection and display arrangement for a small computer such as one capable of being worn on the wrist and having a dial face. To facilitate accurate entry of the digital and computational function data, display windows are separately provided on the dial face of the computer to display separately the selected digital and function selected data. An additional display window displays the computational result. The dial face carries indicia along its periphery representing the selectable data. Movable key means is mounted for movement around the periphery of the dial face, such that once positioned adjacent the location of a desired data item, a transverse movement of the key means accomplishes data entry.

Abstract: A carton formed from foldable paperboard, cardboard, or the like to include a first or top panel with a hingedly connected end closure or manufacturer's flap, a second or front panel juxtaposed the top panel for adhesive attachment thereto by means of the manufacturer's flap, a rear panel disposed parallel to but spaced from the front panel, and a bottom panel disposed parallel to but spaced from the first or top panel including a pair of parallel side panels hingedly connected along the edges of said bottom panel. Each of the side panels has a pair of opposite marginal edges free of the bottom panel, each of the edges having an inwardly offset medial part. The remaining parts or tabs of each marginal edge are adapted to facilitate the alignment and support the adhesion of the carton during assembly. The front and rear panels each have a pair of scored side flaps. The side flaps can be folded first then the side panels are folded with the tabs riding on the side flap scores.

Abstract: The present invention has for object a mechanism of transmission comprising two toothed wheels meshing with each other.

Abstract: A diluting apparatus or pump having first and second chambers coaxially formed in a single pivotally mounted block. A first piston is reciprocally disposed in the first chamber and a second piston is coaxially mounted on the first piston and reciprocally disposed in the second chamber, substantially eliminating any transverse thrusts on the pistons. A spool valve is pivotally mounted on an eccentric pin mounted on a rotating crank to drive the pistons. The valve reciprocates within a valve body to couple the first chamber to a fluid supply line on a return stroke and to couple the first chamber to an output line on a delivery stroke. The second chamber is coupled to the output line on both strokes to draw in a second fluid on the return stroke and discharge it with the fluid from the first chamber on the delivery stroke thus mixing the two fluids.

Abstract: A method and an apparatus for effecting in succession electrolytic processes and other processes such as water washing in connection therewith, comprising a series of treating units respectively for the electrolytic and other processes, the treating units being arranged in row in the order of the processes. Each treating unit consists of first and second unit halves one upon the other, the unit halves comprising a through passage for feeding the material and at least one insulating passage for flowing a treating liquid onto surfaces of the material, and the units for the electrolytic processes being further provided with electrodes for causing electric current to flow between the electrodes and the material.

Abstract: A method and apparatus for simultaneous optical measurement of several characteristics of each particle of a group of small particles while the particles are suspended in a liquid. The apparatus includes a sample passage structure through which the particles pass, and a first optical detector structure which receives light from the sample passage structure. The sample passage structure and detector are aligned one with respect to the other. The output of a source of light is directed to the sample passage structure by an alignment device which aligns the light and the sample passage structure. A second optical detector receives the light passed by the sample passage structure.

Abstract: A method for garment pattern drafting for developing proportioned or graded slopers employing a grid or graphical display based upon quarter-inch spaces and comprising a series of parallel vertical and horizontal intersecting lines, the vertical series being equispaced a number of quarter-inch spaces and sixteenth-inch fractions thereof expressed as the quotient resulting from quartering the larger of actual measurements taken around the human figure, and the horizontal series being equispaced a number of quarter-inch spaces and sixteenth-inch fractions thereof expressed as the sum of the quotient of the actual centerfront measurement taken from the same figure plus a factor of two quarter-inch spaces. Suitable mounting means for the grid as well as rule members carrying a scale for marking off distances in terms of said quarter spaces are provided for constructing the grid.

Abstract: A circlet or lift ring is loosely affixed between the annular roll ridges of a conventional polyethylene drum to enable the drum to be secured to a conventional hand truck utilizing the standard hand truck hook. The circlet is formed with a diameter greater than the diameter of the drum, but smaller than the outer diameter of the roll ridges. The circlet is thus loosely, but securely affixed between the roll ridges with sufficient space between the circlet and the drum easily to be engaged by a standard hand truck hook to enable the drum to be handled easily on the truck.

Abstract: A longitudinal lumber conveyor has sets of transverse tooth wheels aligned on each side of the axis of the conveyor. The tooth wheels are mounted on a lifting frame which may be lifted above the conveyor transport plane to rotate pieces of lumber thereon. After the pieces of lumber have been inspected the lifting frame and tooth wheels thereon are lowered and the pieces of lumber are then conveyed to the next processing station.