Abstract: For burring and cleaning operations of substantially plane work pieces such as metal sheets having arbitrarily formed contours, openings and/or apertures and recesses, a machine is being disclosed which is provided at least with one pair of upper and lower driven rotary brushes along the conveying path of the work pieces. The rotary brushes are equipped with twisted or tressed bristles and are arranged with their horizontal axis of rotation at a corresponding inclination with respect to the conveying direction of the work pieces whereby the bristles of the two rotary brushes are meshing in the manner of interengaging gears. The work pieces are thusly burred and cleaned with a single passage through such rotary brushes.

Abstract: A windshield wiper assembly is disclosed which includes a pivot pin between the side walls of the main yoke. A connecting element for a wiper arm is mounted on the yoke. The wiper arm projects from the back of the main yoke and is bent such that it laterally extends beside the wiper blade.

Abstract: An aircraft windshield wiper arm assembly adapted particularly for use with curved windshields, the wiper arm assembly having a hub mountable on an oscillatory wiper drive post and an elongate wiper arm cantilevered from the hub with a wiper blade carried on the free end of the arm. The arm is so shaped that its moment of inertia decreases progressively from its fixed to its free end and the arm is preferably formed so as to assume a curved, unflexed position. An adjustment is provided for flexing the arm from its unflexed, curved position to a substantially flat position so that with the wiper blade bearing on the windshield, the arm exerts a desired force on the wiper blade as the windshield wiper arm assembly is swept over a curved windshield.

Abstract: A device is provided to allow the use of a cannister vacuum cleaner in the manner of a highly-maneuverable, height-adjustable upright vacuum cleaner. The device preferably includes a mobile base having a cannister vacuum-receiving recess for releasably supporting a cannister vacuum cleaner. A power head including a beater bar, a motor for operatively driving the beater bar, and a nozzle, is attached to the base in an operational cleaning position. A conduit connects the power head to the cannister cleaner for vacuum removal of dirt or the like from a floor surface. Wheels and height-adjusting structure are provided on the base allowing adjustment of the clearance of the power head with respect to an underlying floor surface to maximize cleaning efficiency.

Abstract: A scavenging blower includes a fan driven by an air-cooled, two-cycle engine for blowing air through an air discharging port. The fan is housed in a fan chamber disposed in side-by-side relation to the engine, and an air passageway is formed around a crankcase of the engine and a fuel tank is located beneath the engine. A handle gripped by one hand is attached to the outer periphery of the fan chamber so that the blower can be operated single-handed.

Abstract: A wheel construction for a wheel primarily used in casters produced under high production conditions. The wheel has an axially extending hole therethrough which is lined with a moldable synthetic resin liner which is mechanically secured to the internal surface of the hole. The liner has axially spaced bearing race receiving structure at opposite ends thereof. An axle is received in the hole and bearings are positioned between the axle and the bearing race receiving structure on the liner to provide for a relative rotation between the axle and the wheel.

Abstract: The present invention relates to a process for peeling off the protective tissue of musculomembranous organs.This process successively consists in:making the said organs to change into a solid state by freezing:and abrading the protective tissue of those frozen organs.The process of the invention is especially applied to peel off the inner membrane of the oesophagus of slaughter-house animals.

Abstract: A coiler arrangement wherein an infeed connection leads to compaction or pressure rolls, and a mouthpiece of the infeed connection has a sliver outlet opening which is directed towards the roll nip of the pressure or compaction rolls. A compartment which is operatively connected with a negative pressure source and formed in a hood or cover member, surrounds the infeed connection and is bounded by the pressure or compaction rolls in the direction of travel or feed of the sliver. The mouthpiece flow communicates with the compartment by means of openings provided at its circumference, and between these openings and the inner surface of the mouthpiece there are formed guide surfaces.

Abstract: A belt fastener for a belt having a pierced end and a looped end. A threaded post is attached to the pierced end of the belt and a washer is hingedly attached to the looped end of the belt. The washer receives the threaded post and a threaded fastener threadedly engages the threaded post and retains the washer on the post to fasten the belt.

Abstract: A fastening system including two plastic fasteners for removably securing two workpieces together, including a female socket accepted and retained within a bore in one workpiece and a double ended male stud self-retained in a bore in the second workpiece and removably accepted in complimental fashion in the female socket. One end of said male stud carrying a deflectable spherically shaped segmented head which permits limited tolerance variation between center lines positions of making bores in the two workpieces.

Abstract: At least one nozzle is provided for supplying a stream of air to tubular knitted textile material. A retaining device, including at least one guide roller, is provided for retaining an air bubble formed in the textile material by the air supplied thereto. Means for controlling the air supply comprises a probing device for measuring said air bubble which is separate from and is located ahead of said retaining device, and includes a feeler element in contact with the side of the air bubble which is remote from said nozzle.

Abstract: An apparatus providing a hot section in a continuously moving synthetic yarn wherein at least one jet of hot fluid obliquely is directly across the moving yarn. The jet intersects the yarn at an obtuse angle to the approaching yarn. The apparatus also produces drawn yarn by passing undrawn yarn into the jet and tensioning the yarn as it passes through the jet. The apparatus includes a body member formed with a chamber formed with yarn entry and exit passages and a fluid ejecting nozzle. The body member may be additionally formed with a cavity opening from the chamber opposite the nozzle.

Abstract: A hand operated tool for crimping the edges of automobile door outer replacement panels over the door frame has a pair of levers pivoted to one another with the pivoted ends of the levers defining holding and crimping jaws, the holding jaw positioned for engagement against a flanged replacement panel edge and the crimping jaw having a configuration engaging and holding the edge of the door panel while moving it into smooth underlying tightly engaged relation to the door frame.

Abstract: A portable tool is disclosed in which hydraulically a two-arm lever is operated to move a staking head towards the grooved outer race of a bearing, which is supported by a staking foot towards each other. Staking head and staking foot are mounted in the legs of a U-shaped tool attachment, being keyed into and releasably bolted to the holder for the hydraulic drive.

Abstract: A resilient synthetic resin toilet seat which includes a preformed stiffening portion having an internal foamed core. The core is enveloped in an unfoamed self-skin. A cushioning portion is molded thereon and has an internal foamed core enveloped in a tough but resilient self-skin unitarily extending from the top and sides of said stiffening portion. A resilient synthetic resin toilet seat lid having an internal foamed core enveloped in an unfoamed skin, a method of making the seat and lid by molding, as well as molds for use in such molding, are also disclosed.

Abstract: A carburetor is disclosed as being formed by die casting and in the process employing two opposed juxtaposed casting cores to form the induction passage and main venturi therein with the result that a flashing of die case metal occurs as between the opposed juxtaposed cores generally transversely of the induction passage generally at the location of the throat of the venturi; after casting the carburetor, the carburetor is placed onto fixture means and a cutting and forming punch or tool is moved relative to the carburetor as to both cut through the said flashing and also seat against the metal of the upstream portion of the venturi in order to assure uniformity of contour thereof especially with respect to the venturi throat as cut and sized by the tool.

Abstract: An apparatus for simultaneously terminating a plurality of insulated conductors in the insulation piercing contacts of a multiple contact electrical connector is disclosed. The apparatus includes means for mounting a connector in conductor receiving position, means for aligning the conductors adjacent individual contacts of the connector, means for positioning the insertion tool adjacent the contacts, the insertion tool being movable in a non-arcuate path substantially perpendicular to the planes defined by the contacts of the connector. The apparatus will accommodate connectors of different transverse dimensions without the necessity of any adjustment and includes uniquely configured conductor aligning means which enhance and facilitate the terminating operations.

Abstract: A Metal-Oxide-Semiconductor-Field Effect Transistor (MOSFET) is described wherein a body of semiconductor material is provided with source, drain and channel regions. A gate structure is provided over the interstitial channel region of the semiconductor body between the drain and source regions, one edge of which is aligned with the source region. The remainder of the channel region, between the other edge of the gate structure and the adjacent edge of the drain region is provided with a drift region of a conductivity type that is the same as the source and drain.

Abstract: In the manufacture of an infra-red detector device, at least a portion of a surface of a body of mercury cadmium telluride is subjected to a conversion treatment to produce a surface layer, after which a heating step is performed. The present invention involves a simple and reproducible process for forming in the body a p-n junction of sufficiently good quality for such a detector which can be of a planar form so as to facilitate the formation of the detector element arrays in the body and the provision of contacts to the detector elements.

Abstract: A packaged stator core assembly and a method of making such an assembly and mounting it on a housing frame. Arcuately spaced tension ribs secure two annular clamping flanges in compression against opposite ends of a stack of stator laminations. Torque ribs, each having an angular cross-section and a key portion located substantially at its shear center, are welded between the clamping flanges to hold the ribs in engagement with positioning slots or tabs on the outer periphery of the stacked laminations. The lines of reaction torque force from the laminations to the ribs pass essentially through the shear centers of each rib. In the method of the invention the ribs are welded to the clamping flanges and the stator core package is mounted in a housing frame by welding only the flanges to the frame.

Abstract: The invention relates to heating elements comprising conductive polymers which are capable of undergoing a change in dimension and their use to cause recovery of heat recoverable sheet material. The heating elements comprise a laminar member composed of a conductive polymer and two laminar electrodes connected directly or indirectly to opposite faces of the laminar member, and there are apertures, for example slits, passing through the thickness of the element so that at least one planar dimension of the element can be changed by changing the shape of the apertures. The apertures through the element facilitate its dimensional change. Preferably the laminar member exhibits PTC characteristics. The heating elements are particularly useful in the form of articles in which the element is attached to a heat-responsive sheet, for example a heat-recoverable polymeric film to cause recovery of the heat-responsive sheet.

Abstract: A method for producing a rotary on-off switch in which a contactor plate is formed from sheet metal stock, integrally molded with a switch housing and thereafter blanked from the sheet metal stock. The switch housing has an integral set of circumferentially spaced abutments at regular intervals in an internal socket opening of the housing. A first switch operating member having a stem and a plurality of crowned teeth is internally mounted in the housing. A second switch operating member also has a set of crowned teeth disposed complementary to those on the first switch operating member, and also is disposed in the housing so that upon coaxial movement of the two operating members the second switch operating member will be caused to rotate abruptly after the second switch operating member has been displaced axially sufficiently to disengage the second switch operating member from the abutments in the housing.

Abstract: An apparatus for assembling parts in a specified order to steps into a desired device where the parts are located in a plurality of material supply positions comprising a fixed base plate having a plurality of openings transparent to light therein, a plurality of assembly positions, an adapter plate positioned parallel to the base plate having a plurality of openings therein congruent with the openings in the base plate, a light source movably attached to the base plate for selectively shining through the openings in the base plate and the adapter plate, glass fiber optics for transmitting light from the light source to the assembly positions and the material supply positions which include a plurality of fittings secured in the openings of the base plate and the adapter plate, and glass fiber optic conduits extending between the selected fittings and the assembly positions and the material supply positions, and a mechanism for sequentially moving the light source from opening to opening.

Abstract: A shaving apparatus comprises a housing and a shaving head provided with at least one shaving unit having a stationary cutting member and a cooperating cutting member drivable by means of a motor and a coupling spindle. At a location near the rim of each stationary cutting member the housing is provided with an axially adjustable pin, one end of which engages such rim. The stationary cutting member is engaged and supported by a resilient element at another location near its rim, the stationary cutting member being pivotable about the axially adjustable pin against the action of the resilient element. The other end of each axially adjustable pin engages an inclined contact face of a flexible endless band. By means of an actuating arm and an actuating knob on the housing wall, this flexible endless band is movable in a direction substantially transverse of the axial direction of each pin.

Abstract: The depth of cut of the blade of a plunge cut jig saw is selectively established by an adjustable depth control foot which keeps the selected depth of cut constant during the sawing operation.

Abstract: Angle measuring apparatus including a disc having a circular track of marks on one surface concentric with the disc, such disc being rotated about its axis. A mark sensor located adjacent the disc surface detects each mark and generates a signal as it passes thereby. A pair of angle-input means are located adjacent the disc for defining the angle to be measured. Reference means rotate with the disc and interact with each input-means to generate a reference signal each time the reference means passes thereby. Control circuitry counts the number of mark signals occurring between selected reference signals and from such count, the defined angle can be accurately computed.

Abstract: A scribing compass and level combination for transferring the contour of one affixed log to another log by drawing a line where the two logs will contact without deviation of the compass from the horizontal or the vertical position.

Abstract: A device is provided for determining the physical qualities, such as amount, ullage, temperature, etc., of liquids, through an operable service hatch, of such tanks containing the liquid and vapors of the liquid and/or an inert gas above the liquid without lowering the pressure or allowing the pressurizing gas or vapors to escape to the atmosphere.

Abstract: A leveling pole comprising elliptic liners that stay immovable radially to each other and, when fully extended, form a wide-angle surface area in the axial direction to provide same-size graduations marked through the full length of the pole. The invention further involves a double engagement made by a locking button to selectively regulate the telescopical slide of each liner thereby to provide a desired measuring standard.

Abstract: The invention covers a fluidizing grid capable of high temperature operation, comprising a series of vertical fluidizing tubes attached to a support. This grid comprises a metal tank on the bottom of which are attached metal fluidizing tubes, of equal length, protruding an equal amount from the bottom to thereby allow a layer of particles to rest on the bottom of the tank and form a thermal screen.

Abstract: A frame for forming a tray having a plurality of slats, the frame having a pair of spaced substantially parallel assemblies, each having a pair of components engageable longitudinally of each other to form a plurality of slat receiving openings facing laterally of the assembly on a first side and obstructed on a second side of the assembly; a pair of rigid members disposed in spaced substantially parallel relation extending between and engaging corresponding opposite end portions of the assemblies in substantially right angular relation to form a frame of a substantially rectangular configuration with the first sides of the assemblies facing each other and with corresponding slat receiving openings of the assemblies aligned along substantially parallel paths between the rigid members of the pair; and fasteners securing together the components of each pair and the rigid members and the opposite end portions of the assemblies in the substantially rectangular configuration and releasable for the removal of one c

Abstract: In a jogging shoe having a rubber sole, and a mid-sole detachably secured in the soles, a stud for enabling the runner to run safely in winter under icy conditions. The stud projecting from the out-sole of the shoe.

Abstract: The heel of a shoe is formed with replaceable inserts or knobs that may be formed of material that is the same as or different from the material of the heel and the manner of mounting is such that a user may readily replace the inserts to prevent or limit wear of the shoe heel.

Abstract: A liquid inlet adapted to fit over the intake end of a suction hose for a portable dredging machine. The inlet is elbow shaped, having a discharge end mountable to the dredging machine suction hose. The opposite end of the inlet includes a set of spiral-shaped fingers that are powered to rotate in front of an open intake end. The fingers are rotated by a hand-held drive motor on a shaft that passes through a portion of the elbow. The rotating fingers strain material drawn into the elbow and suction hose and deflect material that could otherwise clog the suction hose.

Abstract: An identification device employing a myriad of modes of identifying indicia placement, wherein the device comprises a flexible band having opposed first and second ends wherein the bands may be in severable sheet form and wherein once severed the band is of sufficient length for encircling, captive relationship about an object or person to be identified. A multitude of various means of securing the first and second ends together is available. Additionally, the availability of a choice of identification means, some of self-imprinting character, provides an identification device which is highly versatile having a plurality of end uses.

Abstract: A sheet-like label having a pattern of tear lines which define a panel and an elongated strip which is contiguous with a first edge of the label. One end of the strip can be manually engaged and the strip can then be pulled away from the remainder of the label to free the first edge of the panel. The panel can then be manually engaged at its first edge and the panel can thus be readily separated from the remainder of the label. The remainder of the label completely surrounds the panel and the strip so that after removal of the panel and the strip the edges of the label will remain continuous. The labelled article includes a label mounted to the body of the article so that the label closely overlies a surface of the body.

Abstract: A holder for document holding packets, board or the like provided with mobile indexes for scheduling, checking of due dates, statistical data and similar material which includes a band-like element sub-divided into a bottom strip portion for supporting the document holding packet and a top strip portion, slightly inclined to the bottom strip portion and provided with a first elongated guide having markers slidable therewithin, and a second elongated guide with a slidable cursor therein, this guide having an internal groove extending along its length and a plate which fits into the internal groove to allow the plate to be fixed along the internal groove.

Abstract: Apparatus for illuminating color print photographs in which a light source is mounted along the axis of rotation of a display cabinet having transparent or translucent upstanding sides on which are mounted color photograph prints so that light from the light source passes through the color photo prints and creates a glowing pictorial display.

Abstract: A reversible, portable direction indicating sign for use in road construction and maintenance work includes an upper indicia bearing panel rigidly attached to and spaced from an upright member and a lower indicia bearing panel rotatably mounted on the upright member. The lower indicia bearing panel includes an arrow imprinted thereon which can be pointed to the right or to the left by rotating the second indicia bearing panel. The word "KEEP" is printed on the upper indicia bearing panel. The word "LEFT" is printed on the lower indicia bearing panel beneath the arrow when the arrow points to the left. The word "RIGHT" is printed on the lower indicia bearing panel beneath the arrow when the arrow points to the right. When the arrow points to the right the portion of the lower indicia bearing panel on which the inverted word "LEFT" is imprinted in located in the space between the upright member and the upper indicia bearing member, so that the word "LEFT" is covered thereby.

Abstract: A device for loading revolvers from the front of the cylinder, a rotating cylinder in the revolver designed to releasably retain cartridges therein and to receive new loads from the loader and at the same time eject the empty casings. The rotating cylinder has a pivotal yoke and an arm extending laterally therefrom with a locking means for releasably maintaining the revolver cylinder in firing position on the frame. Guides are provided for aligning the cartridge chambers of the respective cylinders with each other. A loading cylinder abuts the revolver cylinder for reloading. A series of rams are provided which are movable against the reloading cartridges and which will contact the spent casings in the revolver cylinder and eject same. Casing retainers in the revolver cylinder will secure the reloads in place therein. A back plate mounted on the rear end face of the revolver cylinder maintains the holding means in the chambers in holding position.

Abstract: Decoys for use in hunting waterfowl are provided as a plurality of stackable flat sheets, each suitably decorated on each opposite surface thereof to resemble a different species of fowl and having integral tabs and interfitting slits whereby each sheet is readily converted from a flat configuration to a three-dimensional decoy, either surface being selectively exposable to resemble one of the species. A removable stake, extending through openings in a pair of tabs which are in superimposed relation when the decoy is in the three-dimentional state, anchors each decoy in position on the ground.

Abstract: An apparatus for exterminating animals such as rodents is provided. The apparatus includes an enclosure large enough to accommodate the body of the animal. An opening is formed in the enclosure to enable entry of the animal. Quantities of first and second chemical compositions are maintained separately from one another within the enclosure. In response to the entry of animals within the enclosure, the first and second compositions are mixed. Compositions react to one another when mixed to form a foam material having a volume substantially greater than the combined volumes of the first and second compositions. The foam fills the enclosure and surrounds and kills the animal. The foam hardens to encapsulate the animal, whereupon the device may be disposed of.

Abstract: The present invention relates to a kind of rail track toy comprising a relatively large self-driven predator that blows a current of air and a relatively small prey driven by the propulsion of the air current, in which the predator is provided with a mechanism which temporarily intercepts said air current in cooperation with the synchronous closure of the previously widely opened mouth of the predator to hold the prey therein, and after a transient interval, stop intercepting said air flow in response to the opening of the mouth to push said prey out to continue the game of chase-and-run.

Abstract: A string-supported device capable of simultaneous rotation about its own axis, translational motion and orbital motion. An axle consisting of two segments, both axle-segments connected together, either directly or indirectly, and each axle-segment capable of rotating independently of the other axle-segment. Two discs are connected through their centers to each of the two axle-segments. Opposite ends of a single string are connected to each axle-segment, and the string is looped over a support member upon which it can readily slide. The support member is connected to a swivel system which is in turn connected to a ring. In order to operate the device the string is first wrapped in opposite directions around each axle-segment, and the body of the yo-yo is allowed to fall while the operator is holding the ring. An up-and-down motion of the yo-yo device is thus initiated.

Abstract: An inflatable throwing toy made of air impervious sheet material comprises an inflatable outer ring having an inflating valve located thereon, a first disc section which is an extension of the wall of the bottom side of the outer ring, a second disc section opposite to the first disc section which is an extension of the other side of the outer ring, and a third disc section extending from the top side of the outer ring and having an inflating valve provided thereon. The first disc section and the second disc section of the inflatable throwing toy are separated from each other within the internal periphery of the inflatable throwing toy by a cylindrical gusset section. The inflatable throwing toy may further comprise a plurality of air activated envelopes attached on the first disc section having air activated noise makers located therein.

Abstract: Vocalizing apparatus for use in a doll which has a synthesizer for producing speech sounds. The synthesizer is controlled by a digital controller having a memory which stores information representing a vocabulary of infant-like sounds. A motion detector, which may be in the form of a gravity-actuated switch, activates the controller so as to cause the synthesizer to produce a pattern of sound simulating happy infant sounds when the doll is moved and when it is cuddled, and fussing or crying sounds when it is thereafter not moved for a time. The electronic apparatus is shut down if the doll is left unmoved for a time after it no longer emits the fussing sounds but is automatically activated when again it is moved. The vocalizing apparatus is provided in a self-contained package, removable for laundering.

Abstract: An apparatus for securing a tree to ground stakes is described and comprises an elongated flat flexible member having opposite ends which are adapted to be positioned adjacent each other when the flexible member is extended around a portion of the tree. The opposite ends of the flexible member have openings formed therein adapted to receive a supporting wire extending therefrom to a ground stake. At least a pair of connector members are selectively slidably mounted on the flexible member and are adapted to have one end of a supporting wire secured thereto extending from a ground stake.

Abstract: A plant supporting device and method of utilization thereof which provide proper support and light-orientation of non-ligneous plant members without the necessity of ties, strings, or the like. The device comprises an integral structure made of a homogeneous corrosion-resistant relatively rigid material and includes a pair of arms, a substantially linear ground engaging support with a tapered, rounded end, and a transition between the support and arms. The arms and junction therebetween are disposed in a common plane, and the transition is disposed so that the common plane makes an acute angle with the support. The acute angle is preferably about 20.degree.. The arms, junction, and transition are Y-shaped, and the plant member to be supported is disposed between the arms during use.

Abstract: A laminated mat for growing lawns or other vegetation on soil comprises a base sheet of water-pervious, bio-degradable web material. Joined to the base sheet by an adhesive binder is a bed formed of dried gel particles, seeds, and dried compressed peat particles. Secured to the bed of seeds, gel, and peat particles is an upper laminate comprising a fibrous, porous veil which protects and retains the bed therebelow. The upper veil is water pervious to pass water therethrough to the bed of gel particles, peat particles, and seeds. The gel particles absorb up to 200 times their weight in water, facilitating wetting of the peat particles and seeds, and creating sufficient weight in the mat to resist high wind lift forces. The bio-degradable veil also easily expands to retain the web, expanded peat and gel particles and the seeds entrained thereby.

Abstract: A channel-shaped gripping element and a pile seal member are secured together to provide a grippable sliding seal strip. The gripping element is secured to a flange of a fixed member, and the pile seal member slidably engages the surface of a moving member. A flexible link member is interposed between the gripping element and the pile seal member. A guard arm is provided on one of the gripping elements and pile seal members for preventing penetration of the pile by flying foreign objects.