Abstract: A grinding machine, particularly designed for machining a chipbreaker groove into the cutting edge of a cutting tool, the grinding machine has a support base and an abrasion wheel mounted to the support base, a workpiece table with anchoring fasteners for securing a workpiece to the table; a pedestal fixed to the support base with a pivot block connected to the pedestal by a vertical adjustment mechanism, the pivot block having a cooperating slide and pivot mechanism connecting the pivot block to the work-piece table for pivoting the table about a horizontal axis and sliding the table along the same horizontal axis; stop devices for delimiting the degree of pivot and length of slide of the work-piece table; and, guage indicators for defining the degree of pivot height and slide length of the work table.

Abstract: A sleeping bag liner (10) is disclosed. A hood panel (20) extends across the head portion of the top and bottom panels (26, 28) of liner (10). Buttons (40, 42) are fastened to the foot portions of the bottom panel of a sleeping bag (12) to correspond with buttonholes (36, 38) in the foot portion of liner (10). The attachment of liner (10) to the foot portion of sleeping bag (12) with buttons (40, 42) prevents liner (10) from entangling about a user's feet. Engagement of hood panel (20) about the head portion of sleeping bag (12) prevents liner (10) from undesirably sliding too far into sleeping bag (12) and additionally protects the head portion edges of sleeping bag (12) from becoming soiled.

Abstract: A water bed construction which includes a water and air containing bladder and an innerspring support for the same, the bladder and support combination being enclosed within a covering, the covering material being removable from the combination. The entire assembly giving the appearance of a standard innerspring, mattress combination.

Abstract: An elongate flotation mattress having horizontal top and bottom walls, vertical side and end walls, a plurality of vertical, laterally spaced, longitudinally extending partitions between the top and bottom walls and coextensive with the major central portion of the mattress and defining longitudinally extending fluid conducting tunnels; and a fluid medium slackly filling the mattress structure; the partitions are serpentine and are arranged whereby each tunnel defines a plurality of longitudinally spaced flow restricting venturi and circulating chambers between the venturi to slow and dampen surging and residual wave action of fluid when fluid within the mattress is displaced by forces directed onto the top wall; the mattress further includes apertured flow-controlling diaphragms at the ends of the tunnels.

Abstract: An impervious cushion particularly adapted for scrap foam stuffing having vents comprising substantially imperceivable small slits in mutually spaced relation in the box edge between the upper and lower panels.

Abstract: A stabilizer incorporated with a sewer pipe cleaning implement, wherein rotating blades scrape the pipe inner wall; the stabilizer including a spider having four spring-loaded arms that bear against the pipe wall, the spider being along a rubber-sleeved universal shaft assembly, wherein each universal joint thereof includes a block having a pair of transverse, longitudinally spaced-apart pivot pins at right angles to each other, and to which the joint links are pivoted.

Abstract: A tongue toothbrush has a hollow, pliable body made of thin film material to envelope the outer portion of the tongue and carry on its terminal end short filaments for brushing the teeth with movement of the tongue. The filaments may be composed of brush bristles permanently or detachably mounted. Additionally, abrasive material may be attached to the body rearwardly of the bristles along with a hard rubber tip for gum massage mounted on the outermost portion of the body. The device may be reuseable, disposable, or composed entirely of edible material.

Abstract: A heavy duty, pneumatic or manually operable hand-held desoldering tool. The tool comprises a hollow cylindrical large size barrel. There is further provided a hollow plunger loading cylinder and a plunger assembly removably mounted on the plunger loading cylinder. A plunger loading member is concentric with the plunger loading cylinder and includes a hollow cylinder slidable within the loading cylinder. A plunger loading guide is disposed concentric with and partially surrounding the plunger loading cylinder. Spring means are disposed in the plunger loading cylinder for urging the loading member outwardly and away from the loading cylinder. Trigger means are connected to the barrel and externally actuable for locking the plunger loading cylinder in its cocked, loaded position and for releasing it. Heavy duty spring means are disposed in the barrel and are retained between the plunger and the rear end of the barrel for rapidly returning the plunger rearwards upon release of the trigger means.

Abstract: A door in combination with a retainer which uses a frictionally restricted rotating disc to hold the door open. Closing of the door causes the disc to rotate and release the door.

Abstract: Hinges having two or more hinge leaves mounted for relative pivotal movement with or about a hinge pin by substantially cylindrical knuckles on the leaves, and a piece of filamentary material positioned inside the knuckles alongside the pin and frictionally holding the hinge leaves in an open position.

Abstract: A picking element for a poultry picking apparatus comprises a beaker-shaped support whose casing surface carrying picking fingers is a truncated conical surface and whose end face is situated substantially transversely to the axis of rotation, there being located between the casing surface and the end face a number of transition surface areas which are situated at a more acute angle to the center line of the casing surface than the end face and which each carry at least one picking finger, the end face carrying a number of picking fingers substantially parallel to the center line.

Abstract: A membrane skinning machine comprising a frame with a conveyor mounted thereon, and gripping roll rotatably mounted across one end of the conveyor to receive the product to be skinned. A concave shoe with a cutting blade is mounted generally concentrically with the gripping roll. A skin stripper roll is mounted on the frame adjacent the gripper roll. The gripper roll has a plurality of parallel helical serrations or grooves on its outer surface.

Abstract: A process for filling a flexible shirred tubular casing having a coating thereon with a filling mass including: deshirring a short end section of the casing by stretching the shirred casing in a longitudinal direction; closing the deshirred section and placing it over a tubular body, wherein a deshirred section is formed on the exterior of the tubular body and in the interior of the shirred casing by deshirring a portion of the casing and substantially simultaneously inverting the deshirred section substantially 180.degree.; filling the casing by continuously deshirring the shirred section in accordance with the quantity of filling mass discharged, and simultaneously, continuously inverting the deshirred section 180.degree..

Abstract: A card coiler can changer is illustrated, being generally of the linear type, wherein elongated guide means are provided for use together with power operated means to eject a full can and replace same with an empty can positioned positively beneath a coiler head. A storage position is provided for receiving and positively positioning an empty can preparatory to a subsequent can changing operation. By guiding the empty can along a linear path, causing the full can to be ejected, a return stroke positions the device for receiving and storing another empty coiler can in reserve.

Abstract: Method and apparatus for applying insulation and a metal jacket to a pipe wherein insulation is first wrapped around the pipe and held by a clamp. A metallic jacket is then wrapped around the insulation and held by a clamp while the adjoining edges of the jacket are permanently secured together. The insulation and jacket respectively are temporarily held on the pipe by a clamping device which consists of a strap, a keeper at one end of the strap, a handle pivoted to the other end of the strap, the handle having a pivotal latch member which is engageable with the keeper.

Abstract: A fastener or closure is formed of flexible material having a portion which is deformable from a first fixed configuration to a second configuration. Two projections are spaced apart one from the other when the deformable portion is in one of its configurations, and are sufficiently close when the deformable portion is in its other configuration to prevent removal of a fastened article from the fastener. In this manner, both easy opening and secure closing are obtained with the closure.

Abstract: A clutch device for holding together two articles of jewelry such as earrings, pins, necklaces, etc. The clutch comprises a tubular housing closed at both ends except for a small central opening in the center of each end. A coil spring is mounted in the housing. Each end of the spring is turned inwardly toward the axis of the spring so that a sharp edge at the end presents itself to a pin entering the openings. The sharp edge grips the pin and holds it against removal. In an alternative construction, only one end of the housing is provided with the pin entry, and only one end of the spring is turned inwardly to grip the pin. In both cases, the pressure of the inturned sharp edge is enhanced by the action of the spring coils. The second part of the clutch is thus a pin having a diameter slightly less than the internal diameter of the spring. The pin may be attached to a piece of jewelry such as an earring, etc.

Abstract: A controlled deflection roll contains a stationary support and a roll shell rotatable thereabout. The support has a central bore for the infeed of pressurized fluid medium. In the central bore there are located partition walls and infeed tubes, which deliver to individual sections of the stationary support the pressurized fluid medium at different pressures. The first section of the bore at one end of the stationary support serves for the withdrawal of the medium from the intermediate space or chamber between the roll shell and the support. The partition walls are held in spaced relationship by spacer tubes and secured by means of a tie or tension rod. Each partition wall consists of two telescopically displaceable parts, conjointly limiting a groove for a seal, and the seal can be pressed against the wall of the central bore by drawing together the telescopically displaceable parts.

Abstract: A process for manufacturing an unground bearing suitable for high-speed applications comprises forming a subassembly including the inner race, balls, and retainer; the subassembly being fabricated in a fixture which receives the balls from a standard ball feeding machine. The subassembly is, after completion, removed from the fixture and positioned in one of the halves of a split outer race, the other half of the split outer race is placed over the subassembly and an outer shell is thereafter crimped over the outer races to hold the bearing together.

Abstract: A method of producing metal bearings first by forming grooves substantially V-shaped in cross section on opposite surfaces of a composite plate in the form of a web comprising a bearing alloy layer and a backing metal layer and then by cutting the composite plate at the grooves to form severed portions of the composite plate into metal bearings, wherein cutting of the composite plate and forming of the severed portions thereof into metal bearings are carried out in one stroke so as to efficiently produce metal bearings. In forming the substantially V-shaped grooves, embossing or cutting may be used singly or they may be used in combination.

Abstract: An engine service tool assembly (10) for removing defective hydraulic valve lifters (15) from an engine (16) and installing new lifters includes an actuating portion (11), a lifter engaging portion (12) and an intermediate elongated flexible housing portion (13). Present methods of removing defective hydraulic valve lifters consist of disassembly of several major engine components. The subject tool assembly (10) provides for easy removal and installation of hydraulic valve lifters with removal of minimal engine components.

Abstract: A reversing valve construction having a housing provided with a chamber carrying a movable valve member therein that controls ports of a valve seat of the housing through the relative position of a cavity of the valve member relative to the ports, a one-piece flexible sealing skirt being carried by the valve member and extending outwardly therefrom in a cantilevered manner adjacent the valve seat so as adapted to be exposed to fluid pressure in the chamber that will act directly thereon and cause the flexible skirt to flex and engage the valve seat in a manner to tend to sealingly conform to the contour of the valve seat and thereby seal the cavity to the valve seat while permitting sliding movement therebetween. A spring in the housing acts on the flexible skirt to urge the same toward the valve seat.

Abstract: Apparatus for circumferentially crimping the annular opposite ends of a cylindrical overtravel spring housing used in a slack adjuster and for maintaining the overtravel spring assembly in assembled relation and an overtravel spring therein in a compressed state. The apparatus includes a three-jaw lathe-type power chuck fixed to a support frame vertically opposite a power cylinder supported on another portion of the frame. The overtravel spring assembly is placed on a post member, fixed concentrically in the chuck, and held fast by the power cylinder when pressurized. With the spring assembly secured in the apparatus, a plurality of crimping blades carried on the jaws of the chuck are actuated to crimp a first annular end of the spring assembly housing, then removing the spring assembly and turning it over in the apparatus to crimp the other end of the housing, thereby securing the spring assembly in assembled relation.

Abstract: In a lead screw drive, such as that used in a lightweight lathe or milling machine for driving the workpiece relative to the cutting tool, the core of a drive nut is made of a material having a relatively low melting temperature, such as babbitt metal or a relatively rigid thermoplastic material. The low melting point material is contained within a nut housing as of steel. The openings in the nut housing for passage of the lead screw are scaled in a fluid type relation by means of elastic sealing members as of silicone rubber having a melting point above that of the relatively low melting point core portion of the nut. An electrical heating cartridge element is contained within the nut housing in good thermally conductive relation with the low melting point core material.

Abstract: A metal sheave is turned on a lathe to remove worn flange and groove portions to provide three roughened cylindrical surfaces of progressively greater diameter about which a peripheral rim body of polyurethane is cast in an encircling mold and permitted to cure; the sheave is then turned on a lathe to shape the polyurethane to provide peripheral flanges and a groove therebetween.

Abstract: An arrangement for the construction of surfaces and bodies by stacking planar elements against each other. The planar elements have cross-sections corresponding to respective cross-sections of the surface to be constructed. The planar elements are assembled and attached to each other in sections, with neighboring sections being detached from each other so that the planar elements may be produced by cutting through plate-shaped material, and the cut-out elements are held to the parent plates by tabs. The tabs are arranged in a staggered manner among the sections of planar elements to facilitate easy removal of the planar elements from the remaining plate-shaped material to be discarded.

Abstract: A method of producing an object of fiber reinforced metal material, in which method a plurality of fibers or fiber bundles of a material of high strength are arranged at spaced positions, and a matrix material, preferably metal or metal alloy, is brought to closely surround each fiber or fiber bundle and is formed to a shape corresponding to the desired shape of the object. Earlier attempts to produce objects of fiber reinforced metal material have encountered problem regarding the arrangement of the fibers in a uniform pattern and in obtaining a predetermined volume fraction of the fibers in the completed object.

Abstract: A process for reconditioning an ingot mold of the type including an elongated cavity area having some predetermined volume and at least one open end for purposes of extending the useful life thereof. In accordance with the reconditioning process, a short portion of the mold length is cut-off or machined away at a mold cavity open end to eliminate the usual mold damage which typically occurs at that area after a number of separate casts. The cut-off is effected so that the mold cavity will have some new volume comprising some predetermined reduction of the original volume. This second volume is calculated such that ingots then cast from the reconditioned mold and thereafter processed may be cut into a lesser number of bars having substantially the same size and volume characteristics as those bars cut from ingots cast in the original mold.

Abstract: A cut-clinch mechanism with a movable knife that is arranged to be slidably attached to a piston rod so that when the cutting edge of the knife engages a lead-in wire, a sensor will be contacted to indicate the lead-in wire is in a proper position for cutting and clinching.

Abstract: A method for manufacturing semiconductor integrated circuits such as metal oxide semiconductor field effect transistors having source and drain regions to which contact holes are made such that not only the contact parts of the source and the drain regions, but also both surface parts of a field oxide layer which are adjacent to the outer edges of source and drain regions, are exposed and contacted.

Abstract: A semiconductor device structure is provided in which an electrically isolated or "floating" conductor is adapted to receive electric charge from an electron beam. The resultant stored charge provides the basis for useful electronic functions such as floating gate MOS read-only-memories.

Abstract: A memory cell having two mesa bipolar transistors separated by a valley in which two doped polycrystalline load resistors are formed. Doped polycrystalline conductors connect the resistors to a respective backside metallic collector contact which is between a support structure and a transistor and to a respective base.The cell is fabricated by removing a substrate upon which was formed an epitaxial layer and top support, applying a backside metallic layer, forming a bottom support, removing the top support, etching the epitaxial layer to form mesas, etching the backside metal to form discrete contacts, and forming multi-level resistors and conductors in the valley between the mesa transistors separated by insulative material.

Abstract: A machine is provided for removing the entire length of a tube from a heat exchanger or the like, after the expanded end portions thereof have been extracted a short distance from the outer face of the tube sheet, utilizing a power driven chain conveyor with toothed links which engage and grip the outside of the tube, wedging the tube into a coacting trough or shoe which can be applied to the tube at a selected location along its length and draws the tube through the machine and clear of the exchanger.

Abstract: The present invention relates to a tool having a hand operated lever operative with one lever stroke to pivot the tool into position on a work station, to insert a multiple conductor cable in between a pair of clamping and gripping jaws of a metal clamp of an electrical connector to which the conductors are to be connected, and to close the jaws onto the cable. Release of the lever retracts the cable insertion mechanism and pivots the tool away from the work station.

Abstract: An apparatus for coupling a pair of elongate slide fastener stringers while being fed longitudinally along a pair of respective paths, comprises a pair of first spaced rolls rotatable on a first shaft on a frame, a pair of second spaced rolls rotatable respectively on a pair of second shafts on the frame, which extend transversely to the first shaft, a pair of third rolls rotatable respectively on a pair of third shafts on the frame, which extend substantially parallel to the second shafts and are spaced from each other by a greater distance than that between the pair of second shafts, and a pair of fourth spaced rolls rotatable respectively on a pair of fourth shafts on the frame, which extend transversely to the third shafts. A coupling member on the frame has a pair of converging guide channels for meshing the stringers as they are withdrawn therethrough by withdrawing means.

Abstract: An in-line assembly machine is disclosed which is capable of commonly actuating tooling associated with the machine at a plurality of work stations. The machine includes a camshaft with a plurality of cams fixed thereto. Upper and lower elongated tool plates are also included. These elongated tool plates are reciprocated by first and second lifting rods, respectively, which are driven by the cams via followers. The rotation of the camshaft thus causes the upper and lower elongated tool plates to reciprocate, thereby commonly actuating tooling to perform operations on parts to be assembled.

Abstract: Disclosed is a method of manufacturing coplanar photocouplers comprised of a photo-conductor of transparent plastic material covered with a metal mirrors in which a mosaic of recesses is formed in a sheet of deformable metal by deep drawing and the recesses are then filled with plastic in a liquid form. After curing of the plastic the optical elements thus formed are separated from each other.

Abstract: A method of manufacturing a connector receptacle of the telephone jack type is disclosed. The jack housing is produced as a one-piece molding having conductor-receiving channels extending across one of its external sidewalls from the plug-receiving end to the rearward end. The conductors are manufactured by stamping a flat strip to produce groups of spaced-apart conductors extending laterally of the length of the strip. To assemble the conductors to the housing, a group of conductors is positioned in alignment with the channels and the conductors are inserted into the channels. First end portions of the conductors are reversely bent so that they extend diagonally into the plug-receiving opening of the housing and second end portions may be bent laterally and offset from each other so that the second ends can be inserted into staggered holes on a circuit board.

Abstract: A dry shaver has a reciprocating inner cutter (9) co-operating with an arched flexible foil (8) of which the foil is fastened at its edges to a base member (7) and the inner cutter is pressed against the foil by springs which act between the inner cutter and the base member. The above mentioned parts form a cutting unit which is detachably mounted on the casing through the intermediary of spring loaded retainers (18) which permit movement of the cutting unit towards and away from the casing. The resilient force applied through the retainer is substantially less than that of the springs acting on the inner cutter, so as to permit displacement of the cutting unit under the forces encountered during shaving without deflection of the inner cutter springs.

Abstract: A knife having an elongated holder provided therein with a channel to the exterior at its upper side through a slot provided in the top wall of the holder, a blade carrier having a slider slidably received by the channel of the holder, and a blade detachably secured to the blade carrier through an engagement between a projection formed on the front end portion of the slider and an aperture formed in the base portion of the blade. The knife further has a spring or the like for resiliently biasing the front end portion of the slider to bring the projection into engagement with the cooperating aperture in the blade, and a manually depressable finger portion for causing a downward movement of the front end portion of the slider to disengage the projection from the aperture in the blade against the resilient biasing force. The finger portion, which is integral with the slider through the slot, has a width greater than that of the slot, so that the finger portion cannot be depressed normally.

Abstract: A dip stick for measuring the amount of liquid in a deep container such as a gasoline storage tank. The dip stick includes a long, transparent tube mounted to a wooden stick, a linear scale for indicating the height of liquid in the tube, a valve element disposed at the bottom portion of the tube and a wire extending from the valve element through the tube to the top of the tube. Structure is provided at the top of the tube for raising and lowering the wire and the valve element to close the portal. After inserting the dip stick into the tank and closing the tube portal, the volume of liquid in the tank is determined by viewing the height of liquid in the tube.

Abstract: An LVDT displacement transducer and a probe actuation arrangement integrated into a probe assembly. The probe assembly includes a tubular housing within which is mounted at one end an LVDT and within the other the probe actuation arrangement. In the preferred embodiment, an air pressure actuator arrangement is utilized and comprises a stepped diameter probe extension shaft having a smaller diameter section joined to the LVDT core element, and extending through a bulkhead bushing into a pressure chamber, the larger diameter section of the shaft passing out through the opposite end of the housing and serving to mount the probe sensor contact. The differential diameter of the stepped probe extension shaft is subjected to air pressure via an air fitting communicating with the air chamber and which acts against a return spring to enable self actuation of the probe extension shaft and attached core element.

Abstract: A holder for the setting of a level vial on the web of extruded or molded spirit levels, which comprises a base plate, the back wall of which is fixed to the level web, said base plate extending upwards along its edges through two symetrical parallel branches, the ends of which presenting a transversal perimeter whose center is set over relating to the plane of the base plate, said perimeter being provided with support means and said base plate being provided with means for locking the holder to the level web.

Abstract: Fuel and additional material are dried prior to entering the combustion chamber of a thermal power plant using drying chambers having fluidized beds. The heat required for drying is extracted from the hot ashes from the power plant by means of an oxygen-poor gas which circulates through heating chambers containing the ashes and drying chambers containing the fuel in a substantially closed loop. The loop may include a condenser for dehumidification of the circulating gas.

Abstract: Cereal grain dryer comprising an elongated vertical casing defining an open ended enclosure. A combustion chamber provides hot combustion gases divided into two streams: one flowing into a coil lining an upper section of the casing and the other flowing through a radiator which heats up air before the latter moves horizontally across the enclosure by passing through two orifices of the casing. The casing is likewise horizontally traversed by a cold air stream passing through two further casing orifices, below the hot air stream. The cereal grains fall vertically through the enclosure and are moved by gravity. They are dried with a good thermal efficiency without coming in contact with the combustion gases.

Abstract: A separation apparatus for a condensation-drying plant is disclosed wherein in an autoclave the material to be dried is heated by the heat of condensation of a readily volatile fluid and where this material contains a less volatile fluid (e.g. oil). Two evaporators are provided to separate this less volatile fluid during the drying process. Thermal energy is conserved by feeding the steam of the more volatile fluid from the first evaporator to the autoclave.

Abstract: The air foil nozzle dryer for drying webs of material is provided with two nozzle arrangements opposite one another relative to the webs of material passing between. The distance between the nozzles of the two nozzle arrangements and the cross-sectional area of the nozzle orifices may be adjusted.

Abstract: A light weight insulated athletic shoe is disclosed. The athletic shoe comprises a sole of flexible rubber having a skid resistant tread; an outer layer of semi permeable material which allows the passage of air and excludes the passage of moisture; an intermediate layer of stretchable sponge rubber bonded to the outer layer; and an inner lining of fabric bonded to the intermediate layer. A plurality of metallic inserts are disposed between the sole and the outer layer, the inserts include a threaded aperture to receive a threaded upper end of a removable stud. The studs are employed when the wearer encounters icy surfaces. The inserts are recessed below the surface of the sole so that metallic contact with paved surfaces and the resulting loss in traction will not occur when the studs have been removed. Wrench flats are provided along the projecting portions of the studs for ease of insertion and removal of the studs.

Abstract: A compressed air dredge for removing gravel, sand, mud or the like from the sea floor is provided of the type including a compressor which is installed on a dredging ship having a vertically-disposed feed pipe and which, via a compressed air line, blows compressed air into the bottom end of the feed pipe so as to provide the required suction force. The dredge is characterized by the provision of at least two vertically disposed feed pipes, each of which is coupled to a separate compressor and each of which is provided with a separate compressed air line. The compressed air lines are coupled together via a coupling line having shut-off means for establishing and closing-off communication between the two compressed air lines.

Abstract: A holder for a needlework frame usable by a seated operator includes a base member upon which the operator may sit and a support member pivotally attached to the base member from which a clamp bar for holding the needlework frame extends. The needlework frame is attached to the clamp bar through the use of a C-clamp and the clamp bar may be vertically adjusted above the lap of the operator through the use of a longitudinal slot provided in the support post, while the clamp bar may also be rotated about its horizontal axis so as to adjust the angle of the needlework frame relative to the operator. The clamp bar may be removed and the support post may then be pivotally collapsed against the base member to facilitate storage and transporting of the holder.