Abstract: A mooring device comprising a vessel and a buoy interconnected by an outrigger having a horizontal pivot axis connection with the vessel and a universal joint with the buoy. The buoy has a vertical traction-resistant torsionally stiff connection with a ground anchor, an auxiliary buoy being provided with a similar connection to a ground anchor and a parallel guide connection with the first-mentioned buoy. The auxiliary buoy carries a tubular connection between a conduit at the bottom and the top of the buoy in such a way that disconnection is easy.

Abstract: An amphibious vehicle is disclosed including at least one outrigger pontoon member connected with the vehicle body for pivotal movement about a horizontal longitudinal pivot axis between retracted and laterally extended positions relative to the vehicle body. The pivot axis is adjacent the bottom portion of the vehicle body, seal means being provided for sealing the space between the vehicle body and the pontoon member.

Abstract: An improvement for floor maintenance equipment employing electrically driven scrubbing or polishing brushes including means for varying the speed of the brush motors. Two brush speeds are provided by switching apparatus which change the interconnection of the brush motors from series to parallel and from parallel to series. This results in a substantial change in motor speed and power.

Abstract: A device for wiping the windows of double headlights on a motor vehicle, which includes two wipers angularly spread out and set in motion in accordance with an alternative circular movement on a joint motor shaft located inside a zone included between two neighboring headlights characterized in that one of the wipers is directly set in motion by the shaft on the tip of which it is mounted, whereas the other wiper is set in motion by way of a delayed coupling mounted on the joint shaft in such a way as to provide a delay in its motion and therefore to reduce its wiping range in relation to the range of the first wiper.

Abstract: There is disclosed a vacuum cleaner bag assembly for an upright vacuum cleaner comprising a flexible, air-permeable, outer bag having an upper end adapted to be attached to a handle of a vacuum cleaner. The other end of the outer bag has an open mouth attached to an open mouth of a dirt-collecting box. The dirt-collecting box has a suction inlet opening and also a suction outlet opening which comprises its open mouth. A tube closes the open mouth of the box and is in fluid communication with the box and extends toward the top of the outer bag. A disposable inner bag is provided within the outer bag and has an inlet opening in fluid communication with the tube. A vacuum cleaner provided with the bag assembly may be operated as a vacuum cleaner with a disposable bag with all of the foregoing elements in place, or as an air-permeable outer bag filter vacuum when the tube and disposable bag are removed.

Abstract: An elongated, generally hourglass shaped weight-cushioning device for attachment to the handles of a bowling ball carrying bag has an outer layer of relatively thin vinyl material and a somewhat thicker inner layer of foam padding material. The outer layer has a shape substantially identical to but slightly longer than that of the inner layer. In constructing the device, the layers are superimposed with an end of the first layer being aligned with an end of the second layer. The layers are then simultaneously bent longitudinally and attached by a continuous line of stitches around and adjacent the peripheral edges of the layers in a manner such that, subsequent to the attachment, the peripheral edges of the outer and inner layers are brought into congruent alignment. This imparts a slight longitudinal curvature to the device, the outer layer being curved outwardly of the inner layer.

Abstract: Apparatus for holding the head of an animal severed from its body for use in cutting the edible portions from the bones. The head is clamped between first and second members rotatably about a common axis and displaceable towards each other. The snout is received in the appropriately configured first member and a prong of the second member penetrates into the foramen magnum in the occipital bone. The rotation of the first and second members may be braked or arrested by a friction brake. To move the lower jaw away from the upper jaw in order to remove the lower jaw a hook member engaged the lower jaw and pulls it open by means of a foot-operated piston-and-cylinder unit. Another piston-and-cylinder unit forcibly drives the first and second members toward each other to firmly clamp the head therebetween.

Abstract: In the course of the mechanized eviscerating procedure, the viscera-removing tool is introduced into the body cavity of a carcass in an entry stroke through an opening at the stern of the carcass. The tool moves arcuately along the breast of the carcass during the entry stroke, and substantially at the full innermost limit of the entry stroke of the tool, the carcass is lifted by its shoulders upwardly against the lowermost tip of the tool to locate the latter substantially at the intersection of the neck and the shoulders within the body cavity. Simultaneously with this action, the neck of the carcass is cocked abruptly toward the breast side of the carcass to maximize the depth of insertion of the tool into the body cavity.

Abstract: A method of automatically cutting longitudinally animal carcasses for food. A mobile holder is horizontally moved transversely in one direction with respect to a conveyor chain until a first bearing element is brought opposite the inner surface of the animal's vertebral column, a second bearing element is pivoted and pressed against the outer surface of the vertebral column, cutting means is actuated, the mobile holder is moved vertically downwards until the cutting means reaches a predetermined position with respect to the carcass. The mobile holder is then moved horizontally and transversely in the other direction with respect to the conveyor chain, after which the mobile holder is moved vertically upwards to a predetermined position.

Abstract: A prawn/shrimp heading machine comprising a first pair of endless belts arranged with one run of one belt substantially parallel to but spaced apart from one run of the other belt and travelling in the same direction to enable the bodies of the prawns/shrimp to be located therebetween with the heads projecting beyond the peripheries of the first one pair of belts, and a second pair of endless belts arranged in a similar manner to engage the heads of the prawns/shrimp, the path of the second pair of endless belts diverging from the path of the first pair of endless belts, each of the belts comprising a length of rubber belting, having a series of U-shaped metal members riveted thereto, at least one arm of the metal members being provided with prawn engaging teeth.

Abstract: Disclosed is an improved ginning system incorporating a roller gin and a feeder for the same. Means is provided for presenting the cotton to the roller gin substantially one lock at a time. Incorporated in the gin is means to move the ginning roller into and out of ginning relation to the ginning knife, and means is provided in the system to cause the ginning roller to move out of ginning relation to the knife whenever there is less than a predetermined amount of seed cotton in the feeder.

Abstract: A hose clamp includes a coupler body and spring wire. The coupler is substantially triangular in cross section, having a pair of passageway interconnecting two surfaces. The wire, having a head on one end, is routed through one passageway, around the hose and then through the remaining passageway being secured by a thrust washer to the opposite coupler surface.

Abstract: A device for splicing the free ends of a wire belt comprised of pivotally interlocked laterally extending zigzag-shaped and longitudinally spaced apart wires or strips. The zigzag shape of each wire or strip results in each end of the belt having longitudinally extending laterally spaced apart loops with laterally extending sections which are disposed in complementary relationship with the space between loops in the opposite belt end. The splicer is composed of a metal strip having a plurality of laterally spaced apart hook portions corresponding with the loops and projecting integrally from the edge in staggered relationship with similar hook portions at the other edge of the strip. The hook portions engage and form a pivotal connection with the laterally extending sections in the adjacent free ends of the belt.

Abstract: A necktie holder which at a same time also serves to display an advertisement or an identification card; the holder consisting of a flexible, thin sheet of transparent plastic that is die-cut with one set of slots for shirt buttons to fit therethrough, and another set of slots for a necktie to be threaded therethrough; the holder in one design being imprinted with an advertisement, and in another design being folded over so to enclose an identification card.

Abstract: The invention relates to a quarter-turn fastener for fastening a panel to a support, the fastener comprising an integrally moulded plastics stud having a head and a shank. The shank extends in use through elongate slots in the panel and support and is formed by a pair of depending resilient legs each of which has at its end remote from the head a transverse flange for engaging the rear surface of the support adjacent the slot in which the stud is mounted. Each leg includes an abutment arranged to engage the side of the slot in the support or in the panel after rotation of the stud through substantially a quarter of a turn to prevent further rotation in the same sense.

Abstract: In sliding clasp fastening means comprising longitudinally extending mating strips and a U-shaped sliding clasp providing a channel fitting over the strips, the channel width tapering in the longitudinal direction of the strips and having adjacent the end thereof of greater width a pillar which fits between and holds the strips apart so that reciprocal movements of the clasp cause engagement or disengagement of the strips, the provision on one or both sides of the channel of means adapted to receive a tool operable to effect resilient separation of the sides of the channel to facilitate fitting of the clasp over the strips.

Abstract: A buckle assembly for a vehicle seat belt includes cover members, locking means, and locking member operating means. The locking means comprises a base member, a locking member, and biasing means for biasing the locking member toward its locking position, and these members may be assembled together by successively putting them on the cover member. The locking member operating means includes a push button slideably mounted between the cover members. The locking member may include a lever member for transmitting the slide movement of the push button to the locking member.

Abstract: The disclosure relates a method for finishing of tubular knitted fabric involving the steps of laterally distending the fabric to flat, two-layer form by passing it over a spreader frame, and discharging the fabric from the spreader frame into a pair of opposed calendering rolls. In accordance with the invention, the individual layers of the distended fabric are engaged substantially across their full width and the individual layers are controllably advanced independently of each other. Moreover, the side edge regions of the fabric are also controllably advanced independently of said individual layers.

Abstract: An elongated, eliptically shaped, piece of material with a centrally located space and eyelets attached at each end can be used to reliably retain a calvarium adjacent an associated skull.

Abstract: An array of electrostatic transducers is fabricated on a monolithic integrated circuit chip having provision for detection, amplification, and signal processing of received echoes. The transducer is multilayered with the form of a parallel plate capacitor, and is made by laterally etching an insulating layer through a small hole in the overlying layer to create a void region, then depositing a sealing layer to seal the etch holes. The upper metallic layers cover the transducer array and other monolithic circuitry and are etched to be interconnections for the various components.

Abstract: In a support member for a deflection-correcting, pressure compensating or pressure adjusting roller which is provided between a stationary carrier and a roller shell mounted so as to be rotatable about the carrier, in order to support the roller shell by being designed to receive a force acting radially from the carrier to the roller shell and transmit this force to the roller shell via its head portion facing the roller shell and a film of fluid located between the head portion and the roller shell, a space is left free beneath the head portion and is bridged by the head portion so that a flux of the force which is to be transmitted is guided around the free space to the head portion outside the line of action of the force.As a result of this guiding of the flux of force, the bridge-shaped head portion is elastically adapted to the radius of the roller shell which may increase during operation of the roller.

Abstract: In a hydrostatic support member with at least one pressure pocket in the head portion of the support member, the or each pressure pocket opening opposite a surface which is to be supported, the inner side of the lining wall which defines the pressure pocket relative to the environment of the support member is inclined relative to the pressure axis of the support member, so that the profile of the pressure pocket becomes larger towards its base. The outside of the lining wall extends relative to the inner side in such a way that when this wall is lowered towards the base the hydrostatically effective surface of the head portion, facing the surface which is to be supported, increases in size.A method of producing or finishing the support member according to the invention is proposed: The support member is first prefabricated with the head portion having a relatively small hydrostatically effective surface, compared with an operational one, the walls having been made higher.

Abstract: A servicing machine for a steam generator is accurately set up in the generator channel head with a pivoted arm mounted for rotation in a plane parallel to the tubesheet. The angular position of the arm, the longitudinal position of a carriage mounted on the arm and the vertical position of a platform on the carriage are remotely controlled to maneuver a probe used in mapping the precise location of the thousands of holes in the tubesheet. Various operations are then performed at each precise hole location by tools carried by the arm mounted carriage to prepare for installation of new tubing. The operation of a pair of remotely controlled pivoted arms, one on each side of the channel head divider plate, is coordinated to automatically position the ends of U-shaped tubes in corresponding holes in the tubesheet on opposite sides of the divider plate and to secure the same in place.

Abstract: A valve spring compressor tool has a tubular member that screws at one end on to the rocker arm stud and has a body portion linked at the opposite end that slides down the tubular member. By pulling down on the handle of a bell crank type linkage, a position adjustable extending U-shaped finger element attached to the body portion engages the top of the adjacent valve spring and compresses the spring. An over-center feature of the linkage holds the spring in the compressed condition. The tubular member has different size threads at each end and can be inverted to fit each of the two standard size rocker arm stud threads.

Abstract: A riveting device for joining a suspension or fastening device, particularly a ring mechanism, to a folder, comprises, a holder for positioning a folder in vertical alignment with a fastening device and below riveting means which is capable of moving through the fastening device and the folder to rivet them together. The support structure includes a lifting element engageable with one of the folder or the fastening device to move it relative to the other below the riveting means and into interengagement in a position for it to be riveted from the opposite side by the riveting device. With the invention, either the folder or the fastening device is arranged one over the other and below a riveting head and a lifting element is disposed to engage with the lower one of the two elements and move it upwardly into engagement with the other in a position to receive the rivet from the rivet head.

Abstract: A universal coupling has two coupling forks; each fork is an integral unit with two fork eyes; an opening in each eye for receiving a bearing sleeve; a crosspiece with pins thereon, each pin to be received in a bearing sleeve; each bearing sleeve has a base; a bore through the crosspiece and extending along the axes of two aligned pins thereof; an aligned bore in the base of each bearing sleeve; a tie rod extends through the bores in the bearing sleeve bases and the crosspiece; a guide sleeve holds the tie rod at the other fork eye from the fork eye having a bearing sleeve installed; a pressure applying piston and cylinder connected between the tie rod and one of the bearing sleeves is operated for moving that bearing sleeve into the fork eye opening.

Abstract: A strap fastener and method for securing a strap to the fastener for forming a tight loop for strapping an object. The fastener is a one-piece, generally rectangularly shaped body having either a single slot or a pair of slots providing a pair of opposed inside edges, an intermediate slot, and an end slot with all slots being sized to receive flexible strap.

Abstract: Composition brake drums are made by die casting aluminum or other light weight metal around (A) the periphery of a substantially biplanar stamped steel drum back having a plurality of alternating holes and voids in its outermost edge in a plane and (B) a cast iron braking ring with smooth inner braking surface and rough outer surface whereby the lightweight die cast fills the holes and voids and interlocks with the rough outer surface to provide a brake drum of unitary construction that has improved braking performance with reduced weight and cost, especially compared to similar brake drums having a drum back of cast lightweight metal.

Abstract: Method and apparatus for assembling a hose unit consisting of a given length of hose having end couplings inserted respectively in each of its ends. The given length is measured and cut off, being inserted freely, longitudinally in a rigid tube without endwise restraint. The couplings are inserted simultaneously, the thrust applied being balanced as well as sufficient to compress the hose longitudinally, while the dimensions of the tube relative to the hose are such as to prevent buckling. The rigid tube moves perpendicularly of the length of hose, preferably about a common axis, stepwise to a series of stations. In one station the inserted couplings are secured to the respective ends by a commercial crimper-expander. The hose unit is then dropped or ejected to a container.

Abstract: A cable connector includes an insert having a tubular body portion with a conical end portion longitudinally spaced from an annular flanged end portion by diametrically opposed radial grooves. The insert is positioned in an aperture extending through a wall of an electrical junction box. The tubular body portion is contractable to permit the wall surrounding the aperture to be positioned in surrounding relation with the grooves to retain the tubular body portion in the aperture. A passageway extends through the tubular body portion and includes a rectangular inlet and a rectangular outlet. Vertical sidewalls of the passageway diverge outwardly from the inlet to the outlet so that the cross sectional area of the outlet is greater than the cross sectional area of the inlet. A pair of wedge shaped members are positioned in the passageway to secure a cable, such as an insulated conductor, extending through the passageway from being pulled out of the junction box.

Abstract: Apparatus for removing protective members from the threaded ends of pipe joints. A rotating head assembly is attached for longitudinal movement respective to a main frame having a motor mounted therewithin. The head includes a plurality of protector gripping jaws which are radially spaced from one another and aligned such that movement of the head assembly towards and away from the main frame causes the jaws to releasably grip the pipe protector. The rotating head assembly includes spaced parallel arms connected to cause the jaws to maintain the same relative position as the jaws are moved apart from one another to accommodate different diameter pipe. The apparatus can also be used to engage and remove pipe couplings as well as other threaded members. A second embodiment of the invention includes a cleaning head assembly mounted to the main frame which cleans the threads of both the box end and pin end of the pipe.

Abstract: A method of producing an array of photovoltaic cells responsive to incident radiation by forming heterojunction-forming material layers over a transparent substrate panel having a transparent electrically conductive coating and thereafter removing selected portions of the materials to form a plurality of cells on a common substrate. The cells are then electrically interconnected by depositing electrically conducting materials over substantially the entire panel and removing only those portions of the deposited materials required to form series electrical connections.

Abstract: A method of producing composite rod or wire of increased strength and fineness wherein the composite is formed by reducing a lamina of two metals which have been rolled to form a cylindrical billet wherein one of the metals is in expanded form. The composite produced can be encased in copper and fabricated to produce a superconductor. Alloys contemplated for producing superconductors are Nb.sub.3 Sn, Nb.sub.3 Ga, Nb.sub.3 Ge, Nb.sub.3 Si, Nb-Ti, V.sub.3 Ga, V.sub.3 Si, V.sub.3 Sn, V.sub.3 Al, and V.sub.3 Ge laminated on bronze, Al, Cu, Ta, or combinations thereof.

Abstract: This method makes an electrical coil from conductive wire having an insulating coating bonded thereto and provides the coil with at least one conductive lead. The coil winding operation is stopped when a predetermined wire region is located at a work station, where a section of the insulating coating is removed, thereby exposing a section of bare wire. Then there is placed in contact with the section of bare wire and cold-welded thereto a thin conductive strap that extends transversely of the wire and forms said lead. Then the cold-weld joint and a portion of the lead are covered with electrical insulation by applying to opposite faces of the lead two strips of insulating material that extend transversely of the wire on opposite sides of the wire. Then the strips are bonded together, following which the winding operation is continued to complete the coil with said strips extending generally parallel to the coil axis.

Abstract: A sealed, rechargeable electrochemical cell in which a hermetically sealed glass casing completely surrounds an electrode assembly comprised of anode and cathode electrodes containing electrochemically active material, and a porous electrolyte absorbent separator between and in contact with each of the electrodes, the electrolyte absorbed in the separator being present in an amount not exceeding the separator capacity, the seal being effected at terminal conductors extending through the casing wall from the electrodes at the interior of the cell.

Abstract: A hair trimmer has a shear blade assembly mounted in a frame and composed of a stationary blade and a reciprocating blade which slides on the stationary one. One or more biasing springs are interposed between the frame and the reciprocating blade to urge the same into proper contact with the stationary blade. A pivoted lever is interposed between the spring(s) and the reciprocating blade and serves to divert the biasing force to particular portions of the blades, such as the cutting edge, where it is needed while at the same time relieving other portions so that overall friction between the blades is reduced.

Abstract: A shaving apparatus includes a cutting member substantially constituted by a central body provided at its circumference with cutters connected to the central body by means of connecting arms. For reasons of manufacturing technology and cost the material thickness is desirable minimized. However, limiting factors in this respect are the strength and the rigidity of the cutting member. In the instant construction the strength and the rigidity of the cutting member are increased by having the connecting arms secured to a bent reinforcement rim at the periphery of the central body.

Abstract: A method and tool are disclosed for use in cleaving fiber optic elements preparatory to a splice for joining of two such fiber optic elements. The method comprises the steps of first moving a grooving tool about the entire circumference of a fiber optic element to form a circumferential groove therein, and then stressing the fiber optic element in the vicinity of the groove to provide a clean, mirror type end surface of the element which is suitable for subsequent splicing thereof with another suitably prepared element. The tool which is useful in cleaving a fiber optic element comprises support means having a longitudinal axis for supporting the fiber optic element therealong, grooving means for forming a groove in the surface of the fiber optic element, and mounting means for mounting the grooving means to revolve about the longitudinal axis of the support means to circumferentially groove a fiber optic element about its entire circumference.

Abstract: A low-friction boot for a floor-covering trimmer having a base provided at the rear thereof with an upwardly extending handle and carrying at the front thereof at least one forwardly and downwardly extending blade. The boot is of a size and shape to completely cover the bottom of the base and is equipped with attachment means engageable with the base. The boot is also provided at the front thereof with an opening for the blade. At the front, rear and ends of the boot are upstanding walls which cover the front, rear and ends of the base of the trimmer. With such a boot, friction is minimized when trimming linoleum-like floor coverings in particular, and scratching or otherwise marring such coverings is prevented.

Abstract: A cutter employing flat replaceable blades and providing a handle and support memeber that is shaped as an annular segment cut off by a planar surface. The blade is held by a shaft which is preferably encircled by a sleeve and locked to it against rotation. The shaft alone or both the shaft and sleeve extend through a horizontal opening parallel to the planar surface and are locked in place at any desired rotational position. The shaft provides a blade-holding channel enabling ready adjustment of the cutting depth of the blade. In addition to straight cuts and freehand cuts, the latter may be used for circular cuts by attaching a radius rod to it. Cuts of limited length can be simplified by use of another attachment. A further attachment is used to make cuts parallel to the edge of the mounting board.

Abstract: A crosshead for a scotch yoke mechanism is formed from a generally rectangular blank of sheet steel provided with a generally oval, straight sided opening extending generally transversely medially thereof and a pair of generally circular openings centered and spaced apart from each of the oval opening straight sides, the blank being formed, as on a four slide forming machine generally around two generally parallel lines each being generally extensions of the oval opening straight sides to provide top and bottom generally parallel panels defining a closed end guide track having parallel sides and positioning the generally circular openings in the top and bottom panels and in line to be threaded on a generally cylindrical tubular saw bar of a sabre saw, the blank being further formed to tubular configuration of generally rectangular cross-section by two further parallel bends closing the crosshead on a fourth side on the side of the saw bar opposite the guide track opening.

Abstract: A keyhole type saw is provided which includes transverse stroke control apparatus for controlling the movement of the saw blade in a direction transverse to the linear stroke path. According to preferred embodiments, the transverse stroke control apparatus includes a rotatable blade guide roll engageable directly with the saw blade, which guide roll is in turn carried at a guide lever arm. A rotary plate is supported in the housing of the saw and includes a pivot connection for a swing arm which has the other end engageable at the guide lever arm by way of cam surfaces, whereby the position of the swing arm directly controls the presenting transverse stroke of the blade guide roll and saw blades.

Abstract: A lettering guide comprises a folder includinng a strip of material, preferably plastic and transparent, folded over to provide a bottom support sheet and an overlying top hold-down sheet, and defining an upright fold edge and an adjacent upright margin area. An elongated slot of uniform height is cut through the top sheet extending to the margin area and of a length less than the width of the top sheet. The slot extends at right angles to the fold edge. A paper sheet may be snugly interposed and retained between the top and bottom sheets in registry with the fold edge. The paper sheet is adapted to be lettered in a straight line through the slot throughout its height, the line of letters extending at right angles to the fold edge. Successive lines of lettering may be applied to the paper sheet upon successive advancement thereof at right angles to said slot. The lines of lettering are all parallel, uniformly spaced and extend at right anngles to the edge of the paper sheet.

Abstract: An error correction apparatus for a precision measuring instrument includes an error correction profile which is formed as an integral part of a structural member of the measuring instrument, thereby avoiding the need for a separately mounted and adjusted profile member. Preferably, the integral profile of this invention is shaped after the instrument has been calibrated with the measuring scale mounted in place on the structural member which defines the profile.

Abstract: A gauge for the measurement of the shoulder bone angles of horses, as an aid in the proper shoeing of the fore feet, has a reference level and a pointer relatively rotatable about a pivot axis, a concave locating cup concentric with the pivot axis and adapted for positioning over the horse's shoulder point, clamp means releasably securing the pointer and the reference level for selective relative rotation, and protractor means to indicate the relative angle between the pointer and the reference level. The reference level provides determination of the angle between the pointer and a ground plane. The protractor includes a scale and a cooperating needle or index marker, the needle being preferably on the pointer and the scale preferably being on the reference level and concentric with the pivot axis.

Abstract: The inspection apparatus self-adjusts for inspecting bolt-holes of a predetermined size range between a minimum inspection diameter and a maximum inspection diameter. A probe shaft is coupled through a ramp portion to a pear-shaped probe head. The probe head includes a sensor element at the perimeter thereof. An axial slot extends through the shaft and the probe head, dividing the probe head into two probe head sections. A first spring couples the probe head sections and normally urges the sections away from each other and toward the maximum inspection diameter. A cup is slidably positioned around the ramp portion such that, as the cup slides along the ramp portion toward the probe head, the two probe head sections are urged together and the minimum inspection diameter is approached. A second spring is positioned about the shaft to normally urge the cup to an extreme position along the ramp portion, resulting in the minimum inspection diameter.

Abstract: A marker assembly for microscope includes a mounting shaft on the free end of which is detachably connected a marking member having a marking piece. A support member defines a chamber within which to receive the shaft in a displaceable manner. The support member can be mounted on the outer periphery of an objective barrel of the microscope, and an operating rod secured to the shaft cooperates with a guide groove or slot to cause a movement of the shaft so that the marking piece may be moved to a marking position and/or inking position.

Abstract: An improved earth's magnetic field sensing compass utilizes a flat, toroidal flux valve in which pickoffs sense mutually perpendicular components of the magnetic field and the fields are nulled by the closed loop feed back of nulling currents into respective pairs of the sensor pickoffs.

Abstract: A lettering scale for regulating the width and spacing between letters, which is used in conjunction with a straight edge guide is provided, and includes a generally planar, transparent member having first and second straight edges disposed in perpendicular relationship. A plurality of equally spaced parallel, visible guidelines are provided on the transparent member and are disposed in parallel relationship with the first straight edge. The spacing between the first straight edge and the nearest visible guideline of the array is equal to the spacing between each guideline of the array. After the drawing of horizontal guidelines, the width and spacing between letters can be regulated by the drawing of guide points, using the lettering scale.

Abstract: An apparatus for drying two materials comprising two coaxial cylinders, means for rotating the coaxial cylinders, means for introducing a first material into one end of the inner cylinder, means for heating the first material, means for moving the first material in response to the rotation of the cylinders along the interior of the inner cylinder so same is discharged from a second end thereof into an adjacent end of the outer cylinder, means for introducing a second material into the said adjacent end of the outer cylinder, and means for moving the first and second materials in response to the rotation of the cylinders along the interior of the outer cylinder in a direction contra to that of the movement of the first material in the inner cylinder so said first and second materials are discharged from the other end of the outer cylinder. The first material is dried in the inner cylinder by direct heating.