Abstract: A fitted sheet comprising top, side and end panels for covering the top, sides and ends of a mattress with adjacent ends of the side and end panels connected together to form vertical corners and with the lower portions of the side and end panels extending into underlying relation with the underside of the mattress. Elastic corner bands are attached to each side panel at a location adjacent one end panel and are otherwise attached to the same end panel. A cross band is attached to the lower edges of the side panels at a location adjacent the point of attachment of the corner bands thereto.

Abstract: A sleeper sofa mattress includes a foam body with an opening for the receipt of a spring assembly. The spring assembly is positioned in the foam body so as to rest between hinge lines that allow the mattress to be folded into the sleeper sofa. A support substrate is attached to the foam body and spring assembly. The support substrate in the form of a high tensile strength polypropylene mesh serves to positively hold the foam body and mattress together and spread the load thereby reducing wear and increasing the comfort and overall service life of the mattress. Insulator pads are also provided across the spring assembly and a cushioning member across the top of the entire mattress completes the combination.

Abstract: A paint scraper for removing paint from wooden or other soft surfaces without damage to such surfaces includes a shaft and a blade oriented at a slightly obtuse angle with respect to the axis of the shaft and a concave deflecting shank extending from a blade support portion to a handle portion for guiding peeling paint away from the vicinity of the blade. The blade is relatively sharp and thin, but is kept from oscillating by the support portion of the shaft which includes a lip which allows attaching parts to prestress the blade so that it remains stiff.

Abstract: A device for cleaning a chimney flue having four side walls which comprises a rigid enlongated shaft, a fixed mounting plate means attached at one end of said elongated shaft, four scraping blades attached to said mounting plate means so as to collectively define a substantially rectangular or square perimeter, each of said blades having a scraping end and a fixed end pivotably attached to said mounting plate means remote from said scraping end, and means attached to said shaft within said perimeter for expanding and contracting said blades to permit cleaning of said four side walls of said flue at the same time.

Abstract: An ultrasonic wiper for conveying a fluid off of a windshield glass of a vehicle characterized by comprising ultrasonic oscillators which excite progressive waves in the glass in a predetermined directional movement.

Abstract: A vehicle windshield wiper, whereby a blade is supported on a lever member hinged to a fixed support and designed to swing about a pin by virtue of a linear actuator, an output member of which consists at least partially of a screw connected to an electric motor having a hollow shaft, by means of a circirculating-ball screw-nut screw coupling, and extending through the motor itself.

Abstract: A connecting ring which is screwed with a collar in a passage of a tool handle provides a connection of the tool handle with an extension. The edge of the collar is provided with locking teeth and the interior wall of the tool handle in the passage is provided with locking projections. On screwing in the collar in the passage of the tool handle the locking teeth come into engagement with the locking projections to form a locking seat for the collar in the tool handle by motion in the circumferential direction around the tool handle. This secures the screw connection from undesired loosening. In the same way as the connecting ring can be secured to the tool handle also the cap closing the passage can be secured in a locking seat when the extension is removed from the handle and is not used.

Abstract: A hinge mounting plate on which a hinge arm is fastenable is adjustable in one direction and fastenable to a furniture part, for example a furniture side wall, by means of fastening screws extending through elongated holes in the mounting plate. In each elongated hole is provided two flaps projecting from the rim of the hole having free front faces pivotally holding the respective fastening screw. The fastening screws have countersunk heads, and when the fastening screws are inserted the countersunk heads press the flaps away from the screw cores.

Abstract: A food patty molding machine of the horizontally reciprocating mold plate type, using a plunger type food pump, has its food product storage hopper set off to one side, horizontally offset from the mold plate and its drive and also clear of the food pump plunger and its drive; the mold plate and plunger pump drives are also offset horizontally as well as vertically so that the pump feed path is an offset V and there is clear access to the mold plate, to the food pump plunger, and to their drives for both machine changeover and maintenance purposes. All machine operations are driven by fluid pressure drive motors to facilitate changes in the overall time of the machine cycle by varying only one operating interval, preferably the dwell of the machine occurring immediately after knock-out.

Abstract: An apparatus for delivering the end of a shirred casing to the nozzle of a meat packing system where the casing is connected to the nozzle to be stuffed with meat extruded from the nozzle includes a support for supporting the shirred casing from the inner side thereof, a clamping unit advanced and retracted together with the support and adapted to hold the end of the shirred casing opposite the nozzle by pressing the casing from within, a drive unit which operates through the support for advancing the clamping unit toward the nozzle and for retracting the clamping unit after the shirred casing is connected to the nozzle, a resisting body advanced and retracted with the support for resisting the folds in the wall of the shirred casing when the support is retracted, thereby to deshirr the shirred casing into a straight, tubular portion as relative movement is established between the casing and the resisting body, and a withdrawal mechanism for pulling the straight, linear portion of the casing backwardly.

Abstract: A novel fiber drafting system disclosed according to which a textile fiber strand is passed through a plurality of pairs of drafting rollers wherein one of each pair of drafting rollers includes a circumferential groove for receiving the fiber strand and the other roller includes a circumferential rib for compressing the strand in the recessed groove to a cross-sectional shape substantially conforming to the groove. The plurality of pairs of rib and groove rollers are rotated such that each successive pair along the drafting pathway of the textile fiber strand has a greater circumferential speed than the preceeding pair of drafting rollers. In this fashion a textile fiber strand is compressed into a cross-section configuration which substantially equalizes the pressure on all fibers being drafted and thereby provides a more uniformly drafted strand.

Abstract: An automatic lock slider for a slide fastener includes a locking prong spring-biased to protrude into a Y-shaped guide channel in a slider body. The locking prong is urged downwardly to engage a coupling head of a coupling element in an intermeshing region where the mating pair of coupling elements are brought into and out of intermeshing engagement. The locking prong is urged against the coupling head to effect locking of the slider.

Abstract: A clamp apparatus (10) for use in combination with a flexible sheet (30) of material (31) to cover a cooking receptacle (40) to prevent the splattering of foodstuffs in the interior cavity of a microwave oven (20), wherein the clamp apparatus (10) comprises in general a male clamp member (11) and a female clamp member (12); wherein the male and female clamp members cooperate to vary the effective length of the clamp apparatus (10).

Abstract: Apparatus for straightening distorted weft threads comprising a number of flexible rods (1) which form a roller shell (2) around a shaft (3). In the center of the roller shell (2), the rods (1) are connected articulatedly with a disk (5) disposed on the shaft (3) and are thereby held at a certain diameter in this region. In the region of the sides of the roller shell (2), the rods (1) are hinged via load levers (7) to sleeves (11) displaceable on the shaft (3). Via a driven spindle (15), the position of the sleeves (11) and hence also the form of the roller shell (2) can be changed.

Abstract: A transducer array for an ink jet printing apparatus includes a plurality of discrete transducer elements, each of which are comprised of a poled ferroelectric material arranged and bonded along one face thereof to a rigid substrate by a thermoplastic cement. The opposite face of each of said transducer elements is bonded at one end to a coupling means communicating within an ink jet chamber having an ink droplet ejection orifice, and at the other end to rigid support means, a means for bonding both ends comprised of a structural-type conductive epoxy having a predetermined cure temperature. A method for fabricating such an array includes the steps of heating the bonded transducer elements at the cure temperature, but below a second predetermined temperature representative of the temperature at which the thermoplastic cement readily flows.

Abstract: During the assembly of a gas circulation block, encased in sheet metal, a conical sheet-metal sleeve is placed onto a shaped block which is in the form of a truncated cone and made of a refractory material, then a sheet-metal cover provided with a gas supply tube is laid onto the larger end face of the shaped block and then the sheet-metal sleeve is welded onto the sheet-metal cover. In order to reduce the assembly effort and at the same time to create an improved gas circulation block, the conical sheet-metal sleeve is heated up before placing onto the shaped block and is then shrunk onto the shaped block. By the shrinking of the sleeve, every type of dimensional inaccuracy is compensated for, whether on the shaped block or on the sheet-metal sleeve, so that the sheet-metal sleeve, in the shrunk-on condition, sits uniformly and tightly against the shaped block over its entire periphery and its entire length.

Abstract: A method for manufacturing a single-piece type valve sleeve, includes plastic-working a workpiece thereby to form in the workpiece a blind bore and a plurality of grooves in the surface of the bore and extending lengthwise of the bore, plastic-working a portion of the workpiece at the bottom of the bore so as to form a through hole in the workpiece, and plastic-working an inner portion of the workpiece adjacent the mouth of the bore thereby to close one end of the grooves. A single-piece type valve sleeve is produced by the method.

Abstract: A workpiece holding collet is provided with at least one tool receiving aperture located in each collet segment. A changing tool having mating fingers is inserted into the collet, when it is in its compressed condition in a chuck. The chuck is then opened, releasing the collet, so that the interior sidewalls of the apertures frictionally engage the tool fingers inserted therein, thereby locking the collet to the changing tool. The tool is provided with a handle so that an operator may now remove the collet and then store the collet together with the tool.

Abstract: A tool for use in automatically installing a helical coil insert to a preselected depth in a tapped hole formed in a workpiece. The tool includes a tubular tool body carrying an insert near its lower end, and a mandrel in treadedly received in the tool body for engaging the insert and rotatably advancing it into the tapped hole. An adjusting sleeve encircles the mandrel and is threaded to a selected position in the tool body, to serve as a stop for further advancement of the mandrel, thereby controlling the depth to which the insert is installed. The sleeve's position can be adjusted quickly and conveniently without the need for removing the mandrel from the tool body.

Abstract: A tool used for removal and installation of a fluid coupling retaining pin. The tool consists of long, narrow handle terminating in a body having a flat upper surface and an arcuately curved lower surface, one end of the upper surface being notched to fit under the loop of the retaining pin. The curved lower surface fits against the coupling, acting as a fulcrum for pulling the pin out of its groove. The tool also has sufficient mass so that it may be used to drive the pin into its groove as well.

Abstract: An arrangement for assembling a metal storage tank which includes a framework having a stationary end frame portion and a carriage selectively movable toward and away from the end frame portion on rails disposed on the framework. Cylindrical tank sections, positioned on roller members mounted between the rails, are urged into a successive abutting arrangement by movement of the carriage toward the stationary end frame portion and, subsequently, rotated for on-site seam welding, i.e. one cylindrical tank section to another. The end frame portion and the carriage both include freely rotatable roller members disposed normally with respect to each other, in a vertical plane, to reduce drag upon cylindrical tank section rotation.

Abstract: A floating nozzle mount supports the high pressure nozzle of a hydraulic packing extraction tool in a movable, floating relationship relative to the stuffing-box of a pump, compressor, valve, or the like, such that as packing material within the stuffing box rises out of the stuffing box, the high pressure nozzle is progressively moved out of the stuffing box to reduce the possibility of canting and twisting of the packing material.

Abstract: A method for converting a passenger vehicle includes a reconstruction of the vehicle rear independent suspension assemblies wherein a pair of rear struts are repositioned increasing the angle of inclination of each rear strut by moving the upper end portion of the strut away from the central portion of the vehicle to thereby increase the spacing between the upper ends of the struts and thus increase lateral load carrying capability of the vehicle.

Abstract: An apparatus for joining two tubular members together at a subsea location wherein one of the tubular members has internal grooves and the second tubular member is sufficiently small to slide into the first tubular member and the first tubular member has an external flange suitable for connecting to a flowline, which apparatus includes a tubular mandrel having means for connecting to said first tubular member, a resilient sleeve surrounding said mandrel and adapted to be positioned within said second tubular member, volume compensating means positioned within each of said grooves and testing means carried by said mandrel to allow testing of the joint while the mandrel is still in position after forming.

Abstract: An apparatus for joining two elements of a fastener element together with a sheet of compliant material sandwiched therebetween includes an apertured member whose opening is shaped to accept one of the fastener elements. The remote end of the fastener element has a recess therein with the material stretched taut across the opening to the recess. A prong member pierces the material and seats itself in the recess with the material immediately surrounding the recess lying in a wrinkle free condition.

Abstract: In a method for the preliminary and/or final mounting of a vehicle door on a part of the bodywork by means of a hinge comprising two stop members, the following method steps are carried out: (a) fastening one hinge member 5 of the hinge to part of the bodywork 2; (b) fastening the other hinge member 7 to the door 3; (c) hanging the vehicle door by plugging the pin 7 on one hinge member into the socket 15 on the other hinge member and aligning the vehicle door with respect to the opening in the bodyshell using a jig; and (d) injecting a hardening plastic substance 18 into the socket surrounding the pin and subsequently sealing the injection opening.

Abstract: A process is disclosed for manufacturing a bell end of a pipe fitting or coupling carrying a gasket. The bell has a mouth at the open end thereof and a longitudinally-extending axis, the bell carrying an annularly-extending groove securing an annularly-extending gasket; the groove comprising a bottom, a rearward wall joined to the bottom on the end of the bottom remote from the mouth of the bell, the rearward wall extending away from the bottom at an angle less than or equal to 90 degrees, the bottom terminating forwardly at a radially outwardly-directed wall and an offset longitudinally-extending wall portion extending from the end of the radially outwardly-directed wall remote from the bottom and being bent over to extend into the bell.

Abstract: A tool and method for mounting a vehicle wheel comprising an elongated body having an integral tapered head and support housing. The tapered head is inserted through a vehicle wheel aperture so as to receive a lug bolt therein protruding from the vehicle hub. Reception of a lug bolt within the central bore aligns the lug bolt within the wheel aperture and maintains such alignment. This relationship allows the remaining lug bolt/aperture combinations to be properly aligned by the user prior to the fastening of the lug nut thereto.

Abstract: A roll forming process utilizes as a feedstock hot rolled steel strip (1) and during the roll forming process the surface of the steel strip (1) is cleaned and polished by the combined effects of deformation and frictional contact between the surface of the strip (1) and the mill rollers. The initial deformation step (9) is carried out in the presence of a conventional rolling mill lubricant/coolant and the final rolling stage (10) is carried out in the presence of a detergent composition which serves to remove any residual lubricant and particles of mill scale and at the same time act as a lubricant/coolant for the rolling mill (8) at the final stage (10). The process enables subsequent on-line painting (13) of the roll formed product (12) at high line speeds.

Abstract: Lamellar clutch discs consisting of sheet steel and arranged in an enclosed housing filled with a viscous liquid medium for a fluid friction clutch are described. To achieve a torque transmission behavior of the clutch that will remain constant over long periods of time, the surfaces of the discs are to exhibit a roughness with an arithmetic mean rugosity R.sub.a in the range between 0.2 and 2 microns and a profile depth P.sub.t in the range between 2 and 15 microns. Furthermore, the distance between neighboring elevations of the rugosity profile is to lie in the range between 50 and 750 microns, and the surfaces are to have a wear-reducing nickel-phosphorus coating.

Abstract: The present invention provides an apparatus and method of utilization of the same of a quick change tool coupling for a rotational metal working or like machine. The present invention provides a tool holding coupling for use with machines with an automatic tool exchanger. Use of the present invention allows the elimination of the drawbar mechanism commonly used in standard metal working machines, while providing axial bending rigidity for the tool.

Abstract: This invention relates to an improved injection molding nozzle and method of making it. The components are assembled and dipped in lacquer and powdered nickel prior to brazing in a vacuum furnace. This integrally brazes the components together, embeds an electrical heating element in a spiral channel, and provides the surfaces with a protective nickel coating. In one embodiment, the forward end has an integral high speed steel insert and the remote end of the heating element extends into the forward end of the nozzle. In addition to providing the protective coating, carrying out the method with a single vacuum brazing step considerably reduces manufacturing costs.

Abstract: A keyboard unit is shown having a substrate in which portions of the substrate are physically displaced to provide a cavity, an embossment and a plurality of protuberances for each switching station. The embossment, in registry with a button contact area, projects upwardly from the floor of the cavity a selected distance with a discontinuous annulus contact area extending around its respective cavity in generally the same plane as that in which the top surface of the substrate lies. The cavity includes a channel shaped portion extending through the discontinued portion of the discontinuous annulus. The protuberances project upwardly from the general plane of the substrate's top surface and serve to laterally locate a snap-acting disc over the contact areas. The disc may be selectively coated with highly electrically conductive material to optimize electrical switching. A piece of flexible, electrically insulative sheet may be placed over the unit to seal it from the environment.

Abstract: A repair station located at the insertion head of an electrical component assembly machine, the repair station permitting the testing and placement of components into the sequence of components to be inserted into printed circuit boards.

Abstract: A method for manufacturing a reusable package for printed circuits boards in oil tools which is protected from high vibration and high temperature environments is comprised of the steps of vacuum forming a thin layer of mold release film over the printed circuit board. The printed circuit board together with its intimately formed mold release film is then potted in a conventional manner within a protective package filled with a resilient curable foam. The foam is poured in an uncured state around the components of the printed circuit board and cured in place. After the potting material is cured the printed circuit board is removed from the resilient potting material and the mold release layer is stripped from the printed circuit board.

Abstract: A plug connector is joined to a shielded flat ribbon cable including a plurality of insulated leads disposed laterally adjacent to one another, the cable further including an electrically conducting shielding enveloping the leads. The shielding is severed along the lateral edges of the cable to form a first shielding layer on one side of the cable, the first layer being additionally severed along a zone extending substantially transversely to the leads and peeled back to enable insertion of the plug connector. The second layer is separated from the insulated leads and a first portion of the plug connector is inserted from the side between the separated second layer and the insulated leads. A second portion of the plug connector is disposed in juxtaposition to the insulated leads on the one side of the cable upon completion of the step of peeling. The first portion and the second portion of the plug connector are then pressed against the cable.

Abstract: A salad tong having a pair of resilient gripping arms and a hand guard assembly. The hand guard assembly may be in the form of a U-shaped guard having a front wall with the rear ends of the tong extending through a slot therein and having a rear wall with a slot through which the rear end of the salad tong extends, with a locking pin to hold the salad tongs in position. Alternately, the hand guard assembly is in the form of a separate hand grip on each arm.

Abstract: A cobalt base alloy includes the alloy elements of nickel, chromium, tungsten, silicon and carbon with the nickel content being at least 25 percent by weight. The cobalt base alloy is applied as a coating material for guide bars of saw chains. The alloy has a high hardness with low brittleness by means of which an improved resistance to wear is achieved.

Abstract: The present invention provides a portable distance measuring device having a housing, a thread measuring member mounted to the housing and a spool of filament in the form of a thread or a thin metal wire which is pulled out of the housing and operates the thread measuring member to provide accurately measured distances. The filament is wound for low resistance unwinding from the spool which is itself fixed against rotation to prevent spool inertia breakage of the filament.

Abstract: A method and apparatus of dry processing a semiconductor wafer including processes of vacuum baking and dry silylation provides a gaseous atmosphere of pressure up to 760 Torr against the surface of the wafer, one or more of the constituents of the gas being obtained from a liquid fluid source of the constituent, including a metering device that controls flow of the liquid fluid from a remote reservoir and feeds it to a vaporizer that converts the fluid to a vapor gas at pressure up to 760 Torr and feeds the vapor gas at that pressure into a wafer processing chamber where the particular dry process involving the vapor gas is carried out on the wafer surface. In a preferred embodiment the metering device is an automotive fuel injector, sometimes referred to as a throttle body injector (TBI) that is energized by electrical pulses, each electrical pulse causing the TBI to inject a given predetermined amount into the vaporizer which heats the fluid, turning it into a vapor gas at pressure up to 760 Torr.

Abstract: Described are a method of drying sewage sludge and an apparatus for carrying out the method, wherein the liquid sewage sludge is converted into a pastry consistency in a predrying means (10), the pastry sewage sludge is then put into the form of particles of relatively large surface area in a shaping means (16), and the particles are thereafter exposed to a stream (52) of drying gas in a drying means (48).

Abstract: Apparatus for blowing air into footwear for warming and/or drying the footwear. The apparatus has a seal for sealing an open or ankle portion of the footwear, and a duct assembly having intake and exhaust ports, and a discharge tube. The seal encircles the discharge tube and has a range of effective diameters to accommodate open portions of footwear of different sizes. The discharge tube is telescopically extensible and retractable of the seal to accommodate footwear of different heights and to retract within the seal for storage. A fan, communicating with the duct assembly and a heating element, draws air into the intake duct and discharges it through the discharge tube into the shoe. The apparatus can be used to warm and/or dry footwear ranging from high stiff ski boots to low soft running shoes, and accommodates a wide range of sizes of such footwear.

Abstract: A paper machine or similar apparatus is provided with a device for transferring a paper or board web from a press section to a dryer section on an endless, machine-wide support belt. The belt operates over a guide roll in the press section and a drying cylinder of the dryer section. Transfer of the paper or board web is improved, especially for heavy grades, with regard to the open draw length, the web stretch and web drying. The drying cylinder, guide roll and endless support belt looped therearound are interposed between the press section and first cylinder drying group, which is not drivingly coupled to the first cylinder. A clothing generally looped around and operable with the first cylinder drying group contacts the endless support belt for transfer of the web.

Abstract: A sole for sports shoes is proposed which has improved shock absorbing capability when landing, and provides a repulsion force when kicking. Cushioning members are mounted in the recesses formed in the sole plate. Each cushioning member has a pair of sheets adhered together at spacings to form a plurality of chambers. The chambers are filled with a gel to inflate them. Air chambers are formed between the gel filling chambers.

Abstract: The present invention concerns a device for protecting the shoes of a driver of a motor vehicle. The device includes a protective cover which prevents abrasive rubbing action against the heel of a shoe as it rests on a vehicle's floor and which prevents moisture on the floor from reaching the shoe. The cover includes an inner layer made of soft non-abrasive material such as flannel and an outer layer of water impervious material. An applicator comprising two pairs of spring-biased tongs is used to place and secure the cover about a shoe heel.

Abstract: A trenching wheel more especially for digging trenches, of the type in which the tools are mounted on ring portions removably fixed to the periphery of said wheel. The arrangement for fixing each ring portion to the periphery of said wheel include:a first assembly of two end faces provided respectively at the ends of said ring portiona second assembly of two abutment faces fixed to the periphery of said wheel and orthogonal to the plane thereof; anda wedge shaped key insertable from outside the periphery of said wheel inwardly thereof, between an end face of said first assembly and an abutment face of said second assembly for applying the other of said end faces of said first assembly under pressure against the other of said abutment faces of said second assembly.

Abstract: A desk storage system for efficiently organizing various office implements using modular components assembled in one of a plurality of configurations according to user preference. The desk storage system includes modular components attachable to one another by connectors mounted on the periphery of the modular components. The connectors enable lateral and, selectively, angular tilt adjustment of adjacent modular components. A strong, rigid shelf is also provided for supporting the modular components, while also allowing the lateral and angular tilt adjustment of the modular components. The system further includes stacked trays selectively adjustable relative to one another. The trays are stacked using stacking brackets readily engageable between paper trays, while providing a strong, rigid connection.

Abstract: A container for accommodating a stack of pictures is disclosed. The container has a display window, a first chamber for accommodating a single picture at the window, and a second chamber separated from the first chamber wherein the remaining pictures of the stack can be loosely housed.

Abstract: An illuminated information display including a standard planar active display, such as an LCD display, covered by a rigid transparent plate with fixed graphics on its rear surface illuminated by light transmitted laterally through the plate.

Abstract: An important factor in firearms suitable for combat is the capability to permit replacing the magazine with one hand, that is, to permit the user to eject an emptied magazine by releasing it with the shooting hand and permitting it to drop out automatically, so that a full magazine can be inserted with the free hand. To accomplish this, a latch mechanism is arranged in a through hole formed transversely to the magazine opening and to the longitudinal axis of the barrel of the gun and includes two positive detent latches in a concave or arched portion, the detents being separated by a central groove. The detents have an outer arched or curved surface and on the inside provide straight walls for the groove, in this way a straight magazine can displace the latch axially. The magazine has two pairs of recesses in a rounded leading surface that are arranged so that the two detents seat in the recesses, thereby to accurately support the magazine in two dimensions.