Abstract: A method of fabricating a rotor hub of a fully articulated helicoper rotor system, the rotor hub including a central portion and at least two pairs of lug arms extending therefrom, according to which composite material is dispensed onto the mandrel and wound about a pair of lug arms and an associated part of the central portion of the mandrel to form a continuous closed loop of the composite material to a desired width and thickness. The winding is repeated for each pair of lug arms and its associated part of the central portion of the mandrel so that as many loops of composite material are formed as there are lug pairs. The finally assembled loops are cured to structuralize the loops.

Abstract: A method of forming an underspring for a foil thrust bearing from a uniform thickness sheet. The underspring is formed by chemically etching a plurality of slots in the disk and then stamping the tabs formed by the slots.

Abstract: A tool for use in combination with an annular roll fixed on the end of a shaft by means of a sleeve axially inserted in wedged engagement therebetween. The tool includes a hydraulically actuated piston-cylinder assembly having an axially extending mounting stem which is adapted to be received in detachably interlocked engagement within an axial blind bore in the end of the shaft. The cylinder is rotatable on the stem to adjust the tool between sleeve removal and sleeve inserting positions. When in the sleeve removal position, the piston bears against the shaft end and the cylinder engages and removes the sleeve. When in the sleeve insertion position, the cylinder is checked against a stop on the mounting stem and the piston urges the sleeve into wedged engagement between the roll and the shaft.

Abstract: There are two embodiments of clamping tools described which are useful in removal and installation of air brake assemblies of the type including a brake can and a brake can tube held together by means of a retention ring. One clamping tool is adapted to support the brake can and brake can tube and slowly release them against the action of a compressed wedge spring. The other clamping tool is adapted to secure and controllably release a retention ring of the type having two ends fastened together by means of a bolt and nut.

Abstract: A workpiece carrier and positioning system determines the particular orientation of each workpiece upon an individually identifiable carrier or frame to which it has been affixed. The carriers themselves are precisely registered at each workstation where an operation is to be performed upon the workpiece. Once registered at a workstation the carrier's identification is determined and the carrier or the operational tool of the workstation is offset and/or rotated as needed, according to the determined particular orientation of the workpiece, to allow precise alignment of the workpiece with the operation to be performed. The offset and/or rotation needed is individually determined for each workpiece at each workstation on the basis of the original particular orientation of each workpiece upon its individual carrier. A table is maintained that associates with each carrier the particular orientation of the workpiece carried thereon.

Abstract: In multi-spindle head-replacing type machine tool comprising a machining unit disposed on a base for advancing and retreating movements between an original position and a machining position, a first annular guide rail including a movable rail integral with the machining unit and a stationary rail to surround the machining unit which is located in the original position, a second annular guide rail disposed concentrically with and at a place axially offset from the first guide rail, a plurality of multi-spindle heads travellably carried on each of the first and second guide rails, first and second index mechanisms releasably connected respectively to the multi-spindle heads on the first and second guide rails for driving such multi-spindle heads for angular displacement, and an elevator mechanism disposed sideways from the first and second guide rails at a place offset from the movable rail for providing replacement of the multi-spindle heads between the first and second guide rails, a part of the stationary ra

Abstract: An electric motor armature is repaired, to correct a loose armature or separated armature laminations, by drilling holes through the armature at various locations around the armature and along its length. The holes extend to the armature shaft. Adhesive is injected into the holes, under pressure, and fills any voids between the laminations and between the armature and the shaft.

Abstract: An apparatus for mounting a siphon tapping tube onto a tap hole mounting part of a converter vessel has a lower car and an upper car, which are placed on a ladle car which travels beneath a converter vessel, the lower car and the upper car being capable of travelling in the direction of the travel of the ladle car and in the direction perpendicular to that of the travel of the ladle car, respectively, a loading table mounted on the upper car, which is guided by an upright support frame and being capable of moving upward and downward with a siphon tapping tube loaded on the table, and bolt tightening and untightening units which are provided on the loading table in positions corresponding to the respective bolt hole set positions in the flange of the siphon tapping tube and are capable of receiving mounting bolts. TV camera is provided on the upper car, allowing the operator to monitor the tap hole mounting part.

Abstract: A vehicle body positioning apparatus includes a first jig for an under body, which is located and fixed on a jig surface plate provided in a vehicle body assembly equipment, second jigs for right and left side bodies, and a third jig for upper body parts which are carried by an overhead conveyor. An arched frame, is erected on the jig surface plate perpendicular to an assembly line. A positioning and supporting assembly is provided on the arched frame and the second jigs, respectively, so as to position the third jig with respect to the first and second jigs.

Abstract: In a transfer method for use in automobile assembling a vehicle body is transferred with the variation of its direction or orientation depending on the assembling characteristics in a plurality of assembling positions in which various parts are assembled to the vehicle body. An apparatus for carrying out the transfer method comprises a travel carriage which is travelable with a vehicle body placed thereon and angularly displacable about a vertical axis.

Abstract: A microwave collinear antenna array applicator for in situ or in vivo treatment of tumors and/or other materials by hyperthermia is disclosed. The array consists of a plurality of harmonically related resonant coaxial antenna elements connected electrically in series to provide uniform heating along the entire length of the array. At the distal end of the array, a resistor may be provided at the inner conductor for steering the heating pattern. At the proximal end of the array, an impedance matching dielectric structure is provided to enable maximum power transfer to the array and to minimize stray leakage currents along the outside of the coaxial transmission line. The array may be made longer or shorter without changing frequency and therefore, depth of penetration by simply adding or subtracting half-wave resonant elements or sections of coaxial transmission line. A lossy sleeve member may be provided around the applicator to provide a localized source of heat.

Abstract: A coaxial wiring structure that is constructed by depositing and etching a series of conductor layers and insulator layers.

Abstract: Surface mounted electrical components are typically assembled on printed wiring boards by automatic machines. It is important that the machines accurately move with respect to both X and Y rotational axes in order to insure that components are positioned precisely on connector pads of the printed wiring board being assembled. In accordance with the instant invention, a gauge is used to facilitate convenient accuracy checks. The gauge is a glass substrate on which grids of 0.005 inch lines are scribed to form location and orientation fields where components are to be placed. The grids are referenced from either fiducial marks or the edge of the substrate to establish known positions within the grids. The equipment to be evaluated is programmed to place components in known positions and the components are held in place by tacky adhesive that is sprayed on the substrate prior to placing the components.

Abstract: An installation tool for mounting a loadbreak reducing tap plug in a high voltage "T"-type connector of the type including a cable connector having a threaded opening, the plug having a threaded end adapted to be mounted in the threaded opening of the cable connector and a threaded bolt extending through the threaded end of the plug, the threaded bolt having a wrenching opening and being rotated by a wrenching tool for connecting the plug to a bushing, the installation tool comprising a shaft having a threaded end corresponding to the threaded opening in the connector and a threaded opening corresponding to the threaded bolt, whereby the threaded end of the installation tool can be mounted in the threaded opening in the connector, the threaded bolt can be mounted in the threaded opening in the installation tool, and the threaded end of the plug can be drawn into alignment with the threaded opening in the connector when the installation tool is backed out of the threaded opening in the connector.

Abstract: A nail clipper includes a removable receptacle for receiving the nails as they are clipped. The basic construction is relatively standard, except that the lower arm of the pivoting cutters defines an opening through which the clipped nails enter the receptacle. A cushion is also provided between the arms at approximately their pivot point, in order to deflect clipped nails into the receptacle, through the opening. Guidance for the pivoting arms is provided by a band, affixed to the lower arm and movable relative to the upper arm.

Abstract: A razor having a hollow handle housing a cartridge adapted to receive replacement blade units. The cartridge includes channels having specially configured holding portions enabling extraction of a blade unit by a razor head in a manner similar to that used to extract a blade unit from the package in which it was marketed.

Abstract: A peeler attachment for an electric appliance includes a frame having a central slot therein and a blade disposed centrally of the slot. The blade includes first and second cutting edges at opposed sides thereof. The cutting edges are spaced from the central slot to form first and second entry channels into the slot. The blade includes first and second surfaces facing the slot shaped to provide continuously increasing exit channels whereby any tendency for peelings to become wedged in the exit channels is avoided. A shank for locking the peeler attachment into the electric appliance is preferably unitary with the blade. First and second locking notches in the shank permit installation of the peeler attachment in first and second rotational positions angularly separated by 180 degrees, whereby both right-handed and left-handed user are accommodated.

Abstract: A heavy duty shear featuring removable knife seats, knife blades and wear plates is disclosed. The removable components serve to protect the shear from excessive wear, and may be replaced with minimal labor in the field and without welding or cutting.

Abstract: A utility knife is disclosed herein having an elongated body pivotally housing a knife blade adapted to be moved between a folded position within a storage cavity and an operative position extended from one end of the body. A cutting edge is provided along one side of the blade and a finger grasping protrusion is integrally carried on its opposite side for moving the blade between its two positions. A snap shackle is carried on the end of the body adjacent to the pivot connection of the blade so that the shackle substantially fits the contour of the blade protrusion when the blade is extended into its operative position and so that the shackle is exposed when the blade is in its storage position. One side of the body displays a measuring scale and as an option, a pry bar may be integrally carried on the body end opposite from its end pivotally carrying the folding blade.

Abstract: An electric hair clipper includes a hair thinning comb attachment detachable to a housing provided with a cutter assembly. The comb attachment is formed with a row of hair guiding slots which is in parallel and juxtaposed relation with the cutting edge of the cutter assembly for guiding the hair past the cutting edge in the process of hair thinning operation. A rotary adjustor dial is mounted on the housing and is drivingly connected to the comb attachment for varying the relative position of the comb attachment to the housing and therefore the distance between the row of the hair guiding slots and the cutting edge, thus adjusting the cutting length of hair intended by simple manipulation of the rotary adjustor dial.

Abstract: The present disclosure is related to a scissors means which is particularly adopted to cut Venetian blind slats into standard sizes, and is characterized by its readiness and precision of operation.

Abstract: In a graphics plotter having motor control logic for controlling a motor employed in the process of drawing a series of vector lines comprising a plot, an improvement to the logic for applying optimum control of the motor. The length of each next vector to be drawn is first calculated. The logic for controlling the motor is then self-adjusting as a function of whether the next vector line to be drawn is a short-length vector less than a pre-established length or a long-length vector longer than said pre-established length.

Abstract: In a length measuring apparatus for measuring the relative position of two objects movable relative to each other a scanning unit fastened to the first object scans the graduation of a scale fastened to the second object. The scale is connected to the second object at both ends by means of two fastening elements. Each fastening element has a length compensation element allowing translatory movement of bearings at the ends of the scale in the measuring direction. The fixing of a reference point on the scale with respect to the second object is accomplished by means of a fixing element which renders one of the length compensation elements ineffective in its functioning.

Abstract: An apparatus for use in the measurement of the thickness of a wet coating applied to a supporting surface includes a measuring disk having a support axis, a circumferential edge, the radial distance between the support axis and the circumferential edge varying at points along at least a portion of the edge, and indicia indicative of a coating thickness around that portion of the circumference. A disk support member supports the disk in a plane which is substantially perpendicular to the surface of the coating and permits rotation of the disk about the support axis within the plane so as to permit a measurement of the thickness of the coating to be made. The disk support member includes at least one support leg adapted to penetrate the coating and rest on the supporting surface to position the disk in the substantially perpendicular orientation with respect to the coating surface and to maintain the disk in the orientation while a measurement is made.

Abstract: A cutting guide for use in cutting and fitting carpet has a first planar portion for detachable securement to a carpet and a second, marking portion attached thereto with a working or marking edge for use in transposing the location of a wall/floor edge or the like to the carpet to be cut, when the second, marking portion is positioned along the wall/floor edge and is detachably secured at that location by the carpet.

Abstract: To test an aspheric lens, the lens is mounted on a base shaft having a central axis so that the center of a reference curvature radius of the lens agrees with a central axis of the base shaft. A stylus mounted on a rotary table is rotated about the lens such that its center of rotation lies on the central axis. The step of stylus is maintained in contact with the surface of the aspherical lens. As the stylus is rotated in contact with the lens, both the rotational and radial position of this stylus is monitored.

Abstract: A tool (10) is used for detecting whether material (14) on a reference surface (12) has exceeded a predetermined height. The tool (10) includes a housing (32) having a bottom surface with at least one opening (34) therein for receiving the material (14) whose height is to be tested. A probe means (44) is slideably mounted within the housing (32) and has one end located in the opening (34) for contacting the material (14). A circuit (18, 22) includes a pair of contacts (30) spaced a given distance from a predetermined portion of the probe (44). An indicator (66) is coupled to the circuit for signaling that the height of the material (14) exceeds the predetermined height when the probe (44) slide a sufficient distance so that the portion thereof closes the contacts (30).

Abstract: The control device according to the invention comprises three controlling elements secured to a structure or frame and each comprising a fixed guide, a movable tubular socket and a feeler rod or probe connected to a core of a displacement sensor of which the body is integral with the tubular socket, the tubular socket and the rod being applied by springs against G2 and the cathode respectively.

Abstract: A balanced extraction system including a decompressed space and a pressurized space connected to form a decompression/pressurization balanced circuit. Atomized corpuscles are generated from a liquid such as water in the pressurized space. The atomized corpuscles are held at an appropriate vapor pressure and temperature and fed to the surface of a matter to be extracted, in the decompressed space. Foodstuffs fragrance and other matter to be extracted are coated with dew-like droplets which are the vaporized and extracted and then condensed within the circuit to recover the matter to be extracted.

Abstract: An apparatus for fitting electronic parts to a printed circuit board is disclosed which comprises a collector for collecting thermal medium adhered to a conveyor that is travelling out of a vapor tank. Thus, it is possible to prevent generation of poisonous gas and to enhance a safety aspect of the apparatus. Also, since it is possible to collect the thermal medium, the running cost may be reduced.

Abstract: A web of photosensitive material fed into a drying chamber is carried on an endless conveyer belt hanging in a U-shape in contact with and guided along a U-shaped belt guide. Hot air is blown out of a duct arranged within the U-shaped belt guide to dry the material and press it against the surface of the conveyer belt. Thus, the material is carried by the belt conveyer smoothly without suffering any damages on its surface due to rubbing against guide members.

Abstract: A web treatment system includes main housing structure, chamber structure in the main housing structure that defines a thermally insulated web treatment zone, and structure that defines a web inlet at one end of the web treatment zone and a web outlet at the opposite end of the web treatment zone, so that a web path through the web treatment zone between the web inlet and the web outlet is defined. A series of elongated gas distributing nozzle bar structures are supported in the upper region of the web treatment zone above and along the length of the web path. Each gas distribution nozzle bar structure has opposed end walls and elongated lower wall structure extending between the end walls across the width of the web treatment zone, an inlet port in one end wall and outlet port structure in the lower wall extending along the length of the gas distribution nozzle bar for directing flow of gas from the supply plenum downwardly toward the web path.

Abstract: An elevating leg rest assembly or a shoe to be worn by a user when either necessity or comfort requires that his foot and leg be supported in a position elevated above the floor when he is seated, the leg rest assembly consisting of a sheath extending longitudinally of the shoe, and having one or more leg sections normally telescoped into aid sheath to permit normal walking movements, but which may be extended rearwardly of the sheath to adjustably variable distances whereby to support the user's foot and leg in an elevated position above the floor when the user is seated. The sheath may be permanently encased within the thick and rigid soles of certain types of orthopedic shoes, or may be disposed at one side of the shoe and be rigidly but detachably mounted to a rigid portion of the shoe.

Abstract: A comfort sole arranged to be mounted in a shoe extends from the heel portion of the shoe to approximately the arch. The sole has a resilient upward curved portion intermediate the sides thereof in the area of the heel portion to form an air chamber between it and the sole of the shoe. This curved portion is arranged to flex up and down due to lifting and lowering of the person's foot while walking or running to pump air from the air chamber around the foot. The comfort sole has a cross sectional shape including thickened side portions which provide good fit and good support of a person's foot. A portion of the shoe may be recessed under the upward curved portion to increase the size of the air chamber.

Abstract: An insole-ventilating shoe includes: an insole having an air pumping device formed on a rear portion of the insole having an air guide protruding upwardly to exchange fresh air outside the shoe vamp, and plural ventilating grooves with through holes formed on a front portion of the insole for circulating air from the pumping device in the insole and shoe for comforting a wearer's foot.

Abstract: A footwear stabilizer for athletic shoes comprising a sole, an upper attached to the sole and having an opening, and a tongue to complete the opening. Exterior stabilizer means comprising a collar compliant about the ankle and stiff vertically, and a pair of stiffening elements attached to and pivoted about pivot points on opposite sides of the foot below the malleoli, each element extending upwards to join the collar. The collar is tightened about the ankle and joined in front by the shoelaces which pass through eyelets or grommets and also through registered eyelets of the upper and grommets of the collar. The shoe also has a stiff support and a support plate protecting the heel and achilles tendon.

Abstract: A sludge pond vehicle, for use with an onshore waste processor, includes a frame to which a pair of elongate, generally cylindrical pontoons and a trash pump are mounted. Each pontoon has a spiral flight about its outer surface and each is individually driven about its own axis so to propel the vehicle through a sludge pond. The frame includes pivotal support arms at each end between which the elongate pontoons are mounted. Pivoting the support arms relative to one another causes the pontoons to separate and approach each other thus raising and lowering the trash pump. High pressure hot water is sprayed into the sludge pond in the region of the trash pump to aid removal of the sludge. The various power and control lines are carried by an overhead boom pivotally mounted to the frame. The boom can pivot freely over an arc of about 270.degree. to permit relatively unrestricted movement of the sludge pond vehicle.

Abstract: A corner tooth assembly is provided on the corner of an implement for protection thereof from wear during use. It is necessary to provide a tight fit between the corner tooth and the corner portion of the implement so that unnecessary movement of the corner tooth on the corner portion is avoided while at the same time not subjecting the corner tooth to undue stresses during initial installation of the corner tooth on the implement. The present corner tooth assembly includes a corner portion integrally connected to the implement with first and second load transferring pads defined on a leading edge thereof and first and second holes defined therein and a corner tooth adapted for releasable connection to the corner portion.

Abstract: A unitary digging tooth is removably mounted to an excavating machine. The tooth has a cutting face formed at a working end which is opposed to a trailing end thereof. An upper end of the tooth is removably attached to the excavating machine. A plurality of discrete teeth are made integral with and extend forward of the cutting edge. The upper marginal end of the tooth is relatively flat, and the lower marginal end of the tooth is a segment of a cone, and therefore curves when viewed in lateral cross-section. The individual teeth are spaced apart, and arranged parallel to one another, and form part of a digging face at the forward end of the tooth. The tooth is oriented in a vertical plane.

Abstract: A snow plow blocking unit for fastening and removing a snow plow from a truck or other vehicle, the snow plow of the type having a connecting bracket that attaches to the truck or other vehicle. The snow plow blocking unit includes a platform, a raising and lowering apparatus for raising and lowering the platform, a sideward moving apparatus for moving the platform in a lateral direction, and a stop positioned forwardly and at a predetermined distance of the platform. The stop cooperates with the truck or other vehicle whereby the truck or other vehicle is positioned a distance from the platform so that when the snow plow is detached from the truck or other vehicle the connecting bracket of the snow plow is received on the platform by adjusting the raising and lowering apparatus and the sideward moving apparatus.

Abstract: Rotational signholder support assembly formed of a male adapter and mating female socket rotatably receiving the adapter in a selective number of individual relative angular rotational alignment positions, the adapter including an annular rim having a number of circumferentially spaced apart stops corresponding to the number and alignment of such positions, and a shank having a bore for receiving a mating male insert adapted for connection to an overlying signholder, and further having a circular exterior wall, and the socket including an annular recess receiving the rim and having arresters of number and alignment corresponding to the stops and releasably interlockable therewith at each such position, and a circular orifice receiving the circular wall, such that when the adapter is in the socket at the selected position, each stop interlocks with the adjacent arrester to maintain the adapter at that position, and when the adapter is rotated to a different position the stops unlock from the original arresters

Abstract: A picture frame includes a back panel on which a photograph is placed and a transparent front panel adjacent to the photograph for protecting the photograph. The picture frame also includes a plurality of clips for securing the back panel, photograph and front member together. The frame also includes a groove formed in an inside edge, the groove being dimensioned to receive the clips. A support element for the picture frame includes a substantially U-shaped lower part which is received by the groove formed in the picture frame and a rear extension member which is joined to and extends from the lower part. The lower part includes a curved front wing portion and a curved back wing portion, the curved front wing portion including a protrusion which is adapted to rest against the inside edge of the frame.

Abstract: A display device for displaying an image by forming same in a space includes a concave mirror having a reflecting mirror surface of a dark color and a luminous screen for displaying a picture thereon. Light is prevented by a light shielding structure from falling in around the luminous screen. The concave mirror and the luminous screen are arranged such that light from the luminous screen will be reflected by the concave mirror to form the real image of the picture on the luminous screen in front of the concave mirror. The display device can produce visual effects of much interest and is highly effective in many applications such as display and advertisement of products for sale.

Abstract: The invention relates to a container for a pile of sheets essentially of like format with a housing (12), which has a viewing window (35) exposing to view the uppermost sheet in the pile, and with a slider member (14), which can be pulled out of the housing parallel to the plane of the window, having a front wall (61) essentially flush with one edge of the housing, which wall is joined by side-pieces (44) to a slider member rear wall (20), as well as a grip arrangement (56, 57) that fits-in in the direction of the window (35) from the front wall (61) and comprises a grip top plate or wall part (56) and a grip bottom plate or wall part (57), the outer faces of which are essentially flush with the surrounding outer faces of the housing, and having at least one housing part (627) that extends parallel to the or one of the grip plates and, when the slider member (14) is in the pushed-in state, is covered by this grip plate (57).

Abstract: In a display device employable for telephone or the like electric appliance, a light permeable member with information carried thereon includes a first reflective portion at which a light beam emitted from a light source is reflected in the light permeable member in the radial direction relative to the optical axis of light beam from the light source and a second reflective portion at which a part of the reflected light beam moving in the light permeable member in the direction away from the information is reflected again to be transmitted to the latter. The information on the light permeable member can be clearly recognized by an user with the aid of the light beam which has been collected around the information after reflection at the first and second reflective portions.

Abstract: A self-contained inflatable sign for temporary attachment to prominent portions of structures to provide a highly visible message day or night. The sign is an envelope made from translucent flexible panels which is inflated by a blower within the envelope which also contains a series of lights. A message banner is interchangeably held onto the envelope. When inflated the envelope becomes a strong illuminated sign capable of withstanding severe outdoor environments but light enough to be quickly and easily erected on highly visible but otherwise difficult to access portions of buildings or structures. An alternate version is specifically designed for mounting against the front of a commercial building as a marquee-type display.

Abstract: This invention relates to a curved or angled multiple-round rifle cartridge magazine of the type designed for use with ammunition having tapered shell casings necked-down at their small end to accommodate a relatively smaller bullet characterized by a pair of negator springs attached for pivotal movement in spaced substantially parallel relation one behind the other to a sidewall of the shell chamber and a follower having front and rear side-opening spring-coil-receiving pockets for the coiled portions of the springs that permit the coils seated therein to tilt as the follower moves up through the chamber and the uncoiled portions of the springs change their angular relation to the latter and to the shell stack, both of the springs having medial portions lying between their coiled ends and the points of attachment to the magazine sidewall that curl inwardly toward the shell stack with the front spring of the pair being so located relative to the stack that its leading edge lies forwardly of the annular should

Abstract: A safety device for use with a gun of a type which fires a conventional cartridge casing having an annular rim portion which cooperates with an ejector mechanism of the gun to unload the cartridges. The safety device includes a body portion having a neck portion extending from one end and a rear portion at an other end. The plug is inserted into a firing chamber of a gun with the neck portion extending into a bore of a barrel of a gun. The neck portion has a diameter slightly greater than the inner diameter of the bore to provide a press fit. The rear portion of the plug has a cylindrical portion having a diameter less than the diameter of the annular rim portion of a suitable cartridge casing such that the ejector mechanism of the gun cannot engage and eject the plug from the firing chamber. The plug is, thus, fixedly inserted into the firing chamber of the gun so that the gun cannot be accidentally loaded or fired.

Abstract: The invention disclosed is a retractable support having one or more support legs secured to a rifle stock by a housing. Each support legs is stored within the rifle stock when not in use. The support legs can be slid from the end of the rifle stock to an extended position substantially parallel to the rifle stock. A hinge assembly allows pivoting of the support legs from the extended position to a support position substantially perpendicular to the rifle stock for supportin during shooting.

Abstract: A gun barrel cleaner is provided and consists of a flexible cable with patch holder on free end. The cable is wound upon a spool which can be worn on a belt of a person. A removable brush member can also be provided to aid in cleaning the gun barrel.