Abstract: A vehicle wheel manufacturing apparatus to connect a wheel rim and a spider by accurately press fitting the spider into the rim and then cold working portions of the rim into a plurality of depressions within the periphery of the spider. The cold working is accomplished by a separate actuator for each portion with the manifold assembly connecting together all of the actuators so the actuators will all act simultaneously.

Abstract: A worm gear drive assembly for driving the wheeled support assemblies for an elongated irrigation pipe including a motor having an output controlled in response to bending or deflection of the pipe and a forwardly and rearwardly extending shaft with a drive worm gear on each end thereof engaged with a worm wheel for driving the supporting wheels. Each supporting wheel is connected to the frame structure in such a manner that it may be oriented for driving the pipe in a direction transverse to the longitudinal axis thereof or in a position perpendicular thereto to enable the irrigation pipe to be towed or pulled in a direction parallel to its longitudinal axis to facilitate movement from one area to be irrigated to another.

Abstract: Reacting a partial polyol monocarboxylic acid ester with an acidic anhydride in the presence of a catalytic amount of boron trifluoride to produce specific complete mixed polyol esters, especially confectioner's hard butter.

Abstract: Reacting a partial polyol monocarboxylic acid ester with an acidic anhydride in the presence of a catalytic amount of hydrogen bromide to produce specific complete mixed polyol esters, especially confectioner's hard butter.

Abstract: A belt for a pillion rider. The belt has a pair of straps along the longitudinal outside face of the belt. The ends of the straps are secured through a slit in the belt and fastened to the inside face of the belt. The belt is secured around the waist of a driver and the pillion rider holds onto the pair of straps.

Abstract: A medical appliance suitable for use in direct or indirect contact with blood, such as an artificial valve, artificial blood vessel, blood transfusion set, solution infusion set, or blood bag characterized by being composed of 100 parts by weight of polyvinyl chloride and as plasticizer 50 to 100 parts by weight of thermoplastic polyurethane of the polyester type, said polyurethane having a softening point of about 70.degree.C and giving no spot other than that of the origin at the same position loaded the test sample onto the plate in thin-layer chromatogram.

Abstract: The present invention is a concept to provide a means of movement control for a powered prosthetic device. An externally detectable article is implanted on a biological site where the exertion of muscle tension will impart a movement of the article. The muscle can be attached to an antagonistic natural muscle or some means of exerting an opposing tension on the natural muscle. The recipient controlled tension in the appropriate muscle moves the externally detectable article and an external detector monitors that movement and generates control signals to the means powering the device in relation to the amount and direction of movement of the implanted article.

Abstract: An ankle block for joining a leg prosthesis to a foot prosthesis includes a generally cylindrical member formed of rigid foam material, and a metal or wood insert molded in place in the lower end of the cylindrical member. The insert includes flanges which anchor it firmly in the foam, and a hole extending axially therethrough for receiving and anchoring a bolt from the prosthetic foot. An upper cylindrical passage extends from the upper end of the block to the insert, and a lower cylindrical passage of smaller diameter extends likewise from the lower end. The insert is adapted to receive and anchor either a bolt from a Sach foot, or a tee-bolt from a single-axis foot prosthesis.

Abstract: A dual capacity flush valve comprises a rotatable valve plate arranged in a sealed housing through which water passes from a supply to the flush outlet. The valve plate has openings which are moved to register with the water outlet and an actuator is provided for vertical movement to either of two open positions of the valve, a downward movement of the actuator for a small quantity flush and an upward movement for a full flush. The flush volume for each position is adjustable. A water motor driven by the flow of flush water returns the valve plate to closed position, stopping its operation when the flow of water is stopped.

Abstract: A free-standing shower stall including a base, wall panels joined to the base, a rail connected to the wall panels to impart rigidity to the stall, and a drain connection in the base which permits the shower stall to be placed in any desired location. A shower stall as described wherein the wall panels are plastic and are joined together by imperforate, water tight hinges which permit the panels to be folded for shipment in association with other parts of the stall and to be easily erected during assembly.

Abstract: An outlet drain designed to provide a safety environment to the users of pools, especially therapeutic or spa type pools. A series of channels extend radially outward from the central drain aperture in the pool. The suction created in the pool system draws the water through the channels and into the central drain sump. The diameter of the channels is sufficient that a person's body adjacent the drain area will not cause blockage which would otherwise create a suction on the person's body. The overall design of the pool system provides for the automatic cleansing of the bottom surface of the pool, preventing an accumulation of dirt particles adjacent the drain area.

Abstract: A patient transfer apparatus comprising a wheeled base having a vertically disposed post extending upwardly therefrom. A tubular support is vertically slidably movable on the post and has a pair of pivotal arms extending therefrom in a spaced apart relationship. A third arm is secured to the tube and extends upwardly and outwardly therefrom between the pair of arms. Power means is provided for raising and lowering the tube relative to the post. The post is selectively rotatably mounted on the base to permit the precise positioning of the arms. The arms are adapted to support the chair means for transferring the patient.

Abstract: A hollow air filled flexible horizontal endless plastic waterproof loop floats on top of the water in a swimming pool and is shaped to conform with and bear continuously against the inner periphery of the pool. The loop has an open central region. A thin flat flexible horizontal plastic waterproof sheet is disposed in the region to close same and is sealed at its periphery to the loop.

Abstract: The box spring and box spring structure include a versatile frame made at appreciably lesser expense than presently known frames of equal rigidity and light weight. End rails of rectangular cross section carry no springs and are arranged completely underneath and overlap the side rails at the frame corners. All the rails have upper surfaces planar throughout their widths, those of the end rails being in secured engagement with the lower wide faces of the side rails at the frame corners to dispense with braces. The cross slats are parallel to each other and spaced any desired distances apart, equal or unequal. The end slats which carry the end rows of springs are arranged in close proximity to the respective end rails and are spaced above the end rails while extending inwardly enough in width to locate said spring rows in the proper position for upholstering.

Abstract: Lightweight construction materials having a low heat shrinking percentage and a high moisture permeability obtained by forming complementary concavoconvex patterns by means of press molding on both surfaces of a sheet of a foamed polyethylene type resin containing a relatively large amount of inorganic calcic filler, cushion made of said construction materials and mattress manufactured by laminating sheets of soft polyurethane foam on the lightweight construction material as core and covering the whole with cloth.

Abstract: A fitted, adjustable bed sheet is provided which is adapted for use with either spring or water bed mattresses. A substantially rectangular fabric has a top sleeping panel, four depending side panels with substantially square apertures cut between adjacent perpendicular edges of said side panels, and four fitted corners. Each corner is partially stitched beginning at the top of the open portion of the corner formed by the aperture and extending inwardly towards the top panel to form a dart. When the sheet is positioned on the mattress, the stitched portion of each sheet corner while the lower portion of top portion of the mattress corner while the lower portion of each mattress corner protrudes through the aperture formed between adjacent sheet side panels. The sheet is maintained in position on the mattress by a flap secured to the lower edge of a first side panel adjacent each corner.

Abstract: A collapsible trailer boat comprising a fore part and an after part jointed together in such a manner that they can be folded to form a trailer by pivotally moving the fore part in the longitudinal centerplane until it rests, with its bottom up, on the after part. The hull of the after part is shaped with a flat deadrise and has provision for mounting an outboard motor, a retractable undercarriage and a removable towbar. The fore part is detachable and adapted for use as a separate craft, the hull thereof being constructed in the form of a planing catamaran. To use the boat, the portion of the catamaran tunnel adjacent to the after part is closed with a removable hydroplate adapted to match the shape of the catameran bottom to the shape of the bottom of the after part and to form a transverse step at the junction of the fore and after parts, a gap being provided at the step for water to be drawn from the catamaran tunnel when the craft is planing.

Abstract: A portable salvage lift apparatus for use in an underwater environment coising a buoyancy system having a variable lift capability and a tethering system employing a brake comprising a pump. This pump has a rotor coupled to a reel in the tethering system, an inlet to admit water to the pump and a restricted outlet to increase the resistance to water flow through the pump thus resisting rapid rotation of the reel, whereby the rate of ascent of the apparatus is controlled.

Abstract: A swim fin including a quick-release mechanism associated with the heel strap. The quick-release mechanism includes a lever and a link which are secured together and to the strap in such a way as to define an over center, toggle, lever arrangement whereby the effective length of the strap can be quickly and abruptly changed to allow easy entry or release of the foot of a swimmer from the foot receiving cavity of the fin.

Abstract: Side lasting apparatus comprising a support for supporting a last, bottom side up and lasting instrumentalities supported at opposite sides of the last support between which a last mounted on the support with the lasting margin of an upper thereon projecting upwardly from the bottom is adapted to be moved by the support and wherein said instrumentalities are yieldably displaceable laterally and vertically by entrance of the last therebetween. There are flexible elements carried by the instrumentalities conformable to the shoulders of the last at each side by such displacement to fold the lasting margin inwardly over the bottom of the last as the last is moved between the instrumentalities.

Abstract: A suction head for use in vacuum cleaning a swimming pool bottom intended to avoid clamping of the sweep to the pool bottom. A generally rectangular flexible platform is supported for forward and backward motion perpendicular to the longitudinal axis of the platform while being maintained in spaced parallel relation above the pool bottom. A central opening in the platform is connected to a suction line. Pairs of transverse ribs extending upwardly on the platform are positioned adjacent the opening. A pole for moving the sweep across the pool bottom is pivotally connected to a pillar projecting vertically from the pool sweep adjacent the opening, by a horizontal rigid pin passing transversely through the pillar and through a yoke connected to the adjacent end of the pole. The ends of the pin contact the ribs adjacent the opening and substantially prevent longitudinal flexing of the platform in the region adjacent the opening.

Abstract: A motor driven machine, such as a machine capable of holding and imparting movement to a tool, for example, which may be an eraser strip that is brought to bear upon a surface, such as a paper surface, for erasure of undesirable markings therefrom. The machine includes an internal air supply mechanism having the capability of directing a flow of compressed air against the work surface in the area of contact between the tool and the surface for the purpose of cooling the surface and the tool as well as blowing particles from the immediate area of engagement between the tool and the surface. The machine may include a holding device for supporting the machine in proper position to be grasped when the machine is not in use.

Abstract: A liquid-powered device is provided for washing the terminal-end portion of an elongated member, such as a hand, extended therein. Liquid, under pressure, energizes a positive-displacement motor which powers a rotational laving element wetted by the liquid after it has exited the motor. A housing which confines, collects, and vents used liquid has an entrance opening for entry of the terminal-end portion of an elongated member into washing relationship with the laving element. Provision can be made for supplying soap and the like in solid or liquid form within the housing.

Abstract: A device for cleaning shoe soles, which can be stepped over, includes a grid with cylindrical rings having engaged surfaces and forming circular passages through the grid. A frame encloses these rings and has vertical pins extending through the axes of the rings. The cleaning brushes are plate-like and ring shaped and are rotatable upon these pins. The brushes extend into the circular passages of the grid. The pins also carry upper round plates, whereby the plates and the rings constitute edge supports for the brushes.

Abstract: A cylindrical drum is rotatably mounted to a frame above the path of a car in an automatic car wash system. A plurality of towels are connected to the peripheral surface of the drum at spaced circumferential points to depend downwardly from the drum. A car passing under the drum is thereby successively wiped by the towels. Rotation of the drum positions successive towels for wiping action. A heater is positioned adjacent the upper portion of the drum for warming and drying the towels passing under the heater as a consequence of rotation of the drum.

Abstract: A rear view safety mirror is provided with an aperture through the mirror element through which extends a drive shaft for a wiper blade; the drive shaft is connected to the rotary armature of an electric motor which is mounted on the support bracket of the mirror in the rear portion thereof; the armature of the electric motor is mounted so as to be axially movable so that when the motor is supplied with direct current, the armature will shift its position to press the wiper element against the surface of the mirror during rotation thereof; a heating element is also provided in the housing of the mirror to maintain the mirror's surface free of ice and snow during inclement weather.

Abstract: An end clip positively secured to the end of a backing strip of a windshield wiper blade refill unit by means of a projection at the end of the backing strip extending from one side thereof through a slot in the end clip to prevent relative longitudinal motion between the end clip and the backing strip, together with ear members extending inwardly from finger engaging upturned tabs on the outer edges of the end clip toward the center of the end clip overlying the other side of the backing strip for restraining relative motion between the end clip and the backing strip in a direction normal to the elongate axis of the backing strip.

Abstract: A combination paint tray and container therefore, wherein the tray is attached to the upper edge of one side of the container with the tray and the open end of the container forming an incline with respect to the upstanding sides of the container. The bottom of the tray has mounted thereon a hook adapted to mate with the rung of a ladder and the side of the container facing the bottom side of the tray includes an arm supported and adapted to be adjustably extended so that one end may be connected to the side of the container and the other end includes a hooked portion also adapted to be engaged with another rung of a ladder. The hooked portions on both the tray and the arm extending from the side of the container are formed to provide a positive engagement with the rungs of the ladder in a manner such that the tray and container are in a relatively secure position on the ladder.

Abstract: A machine for automatically removing waste slivers from bobbins includes means for supplying bobbins with waste slivers or fibers to a moving endless belt which causes the bobbins to rotate, suction means for removing the slivers that were loosened by the belt, another moving endless belt having a pile that loosens and removes the remaining waste slivers from the rotating bobbins, and means for collecting the removed slivers in closed containers.

Abstract: The specification discloses a surface cleaning apparatus having a molded plastic housing and an upwardly and rearwardly projecting casing terminating at a handle, the lower portion of the housing including a forward suction nozzle, opening into a recovery chamber. Suction is generated by a blower at the rear of the recovery chamber and a shield positioned in front of the blower prevents liquid from being drawn from the recovery chamber into the blower. A pump removes liquid in the recovery chamber through a hose which empties into a remote drain. A parallel pump tubing causes recycle of liquid through the pump whenever liquid in the recovery chamber is depleted to prevent dry running of the pump. A set of spray nozzles located in the apparatus just behind the suction nozzle is connected through a hose to a faucet which acts as a remote source of clean water. The clean water supply tubing connects to the nozzles through a positive flow additive injector.

Abstract: Conventional rotary lawn mowers have a rotating cutter blade traveling at high velocity. This invention relates to an attachment for forming an enclosed housing containing the conventional mower components to create a vacuum chamber with a single input port which may be coupled to a flexible conduit to suck up leaves and other debris within an extended area for collection in conventional bags.

Abstract: A snap hinge for use in connecting furniture doors, for example, to a furniture wall utilizing a pair of pivotally mounted link members and including a spring biased mechanism and a cam control unit associated with said link members for assuring positive closing of a door with which the snap hinge is associated.

Abstract: This disclosure relates to a hinge for abutting door sashes and particula a furniture hinge in which a linkage is provided in the form of a pair of rods pivotally mounted between mounting parts of an associated frame and sash, each radius rod having an end within a large diameter trunnion of a thickness greater than that of the associated rods, and each trunnion engaging in a corresponding bore of the sash.

Abstract: An integrated facility for breaking dressed animal carcassas includes a continuous flow of the carcasses and their subdivisions through a series of processing areas where the carcasses are broken into primal cuts, the primal cuts are further divided, boned and trimmed along processing lines designated for particular primal cuts, the secondary cuts thus produced are then trimmed and boned as necessary, packaged and sorted according to their weight. Groups of the secondary cuts are placed in boxes which carry machine-readable markings which indicate the box contents. The filled receptacles are carried by a common conveyor to an area where they are sorted into groups according to the machine-readable markings, palletized by groups and placed on unidirectional refrigerated storage conveyors. Orders for products are filled by discharging the pallets from their respective storage conveyors, depalletizing the goods and routing the boxes to designated transport vehicles.

Abstract: Apparatus and method for forming a fibrous batt of controlled thickness and uniformity with fibers flowing from the discs of an attrition mill. The fibers are directed from the outlet of the mill in an air stream in a path of decreasing radius of curvature so that the fibers accelerate toward a collecting screen until they reach a forming chamber communicating the path with the screen. The acceleration of the fibers in the path prevents fiber contact and minimizes fiber contact with walls of the equipment thereby avoiding fiber agglomeration.

Abstract: A corrugated banding strap for securing an electrical cable to a tubing string for lowering into a well.

Abstract: This disclosure teaches a method of longitudinally compressively shrinking a textile fabric web with the method comprising known steps of preconditioning the web, continuously feeding the web between a thick elastomeric belt and a heated polished cylinder having a low frictional resistance and thereafter drying the web. The method of this invention is characterized by selectively varying tension of the belt as well as selectively manually varying contact pressure between the belt and the polished cylinder. According to this invention skipping at high speeds is avoided and there is control of the pressure of the belt on the cylinder over a greater arc than by prior art methods.

Abstract: Apparatus for applying cover elements of heat shrinkable plastics material upon the externally screw threaded metal necks of dispensing containers such as toothpaste tubes comprises a floating mandrel rod assembly adapted to be disposed within the leading end of a continuous length of synthetic plastics tubing for cooperation with feeding and cutting arrangements for operating upon the tubing to separate therefrom successive cover elements of desired length and dispose each element on a container neck prior to a heat shrinking operation for permanently securing the elements upon the threaded necks.

Abstract: A slotting cutter in which a disc is provided with insert pockets on opposite sides thereof with replaceable cutting inserts of hard wear resistant material mounted in the pockets. The inserts are clamped in the pockets by a wedge which forces the inserts against the rearward and bottom walls of the pockets thereby providing extremely firm support for the inserts. When the disc is viewed in the circumferential direction, the inserts are in overlapping relation and thereby cooperate to cut slots in a work member.

Abstract: A method of manufacturing a spherical bearing having an outer member, an inner spherical member bearing inserts interposed between the inner and outer members and a key disposed in a keyway in the outer member to enable the assembly and disassembly of the spherical bearing comprising the steps of forming a hole in the outer member, forming a keyway in the wall of the outer member to receive a key, forming the inner surface of the outer member to receive bearing inserts, placing the inserts in the outer member and placing the key in the keyway, forming the inner bearing surface on the outer surface of the inserts and the key, removing the key from the keyway, placing the inner member in the outer member and keyway and rotating the inner member out of the keyway, placing the key back in the keyway, rotating the inner member to its operational position.

Abstract: A hot air furnace which includes at least one heat exchange unit having at least one mounting flange section defining an opening therein and a plate member having an aperture therein corresponding to at least one of the openings in said heat exchange unit and in alignment therewith with sheet insulating material interposed between said plate member and heat exchange unit by virtue of the said flange being expanded into a plane parallel to that of said plate member to thereby secure the plate member and interposed insulating material in place on said heat exchange unit.

Abstract: A crimping tool for use with a stranded cable connector having co-aligned sleeve openings, including a first member with a crimping portion; a piercing portion extended from the first crimping portion; a second member with a crimping portion and a recess for receiving the piercing portion and means to move the first and second crimping portions towards one another. A loose fitting cable connector sleeve with an inserted cable portion is positioned on the second crimping portion and the piercing portion is moved through the sleeve openings, thereby displacing the cable strands toward the interior wall of the sleeve, and forming a through passage. Movement of the cooperating crimping portions continues until the crimping portions have formed flat surface areas along the entire length of the sleeve thereupon and further movement is limited by an adjustable stop.

Abstract: An assembly machine having a high accuracy positive positioning mechanism, which engages the assembly table when the indexing system is in a dwell portion of the cycle, not moving the assembly table. A positioning pin, which is mechanically connected to operate in synchronism with the indexer for the assembly table, positively engages and positions, if necessary, the assembly table. The positive positioning mechanism engages the assembly table between indexing steps. An overload clutch is provided between the indexer and the assembly table, to relieve mechanical overloads which may occur and to prevent damage to the assembly machine. The positive positioning mechanism is not driven by the indexer output thus it is unaffected by wear or defects in the indexer, the indexer drive, or the overload clutch mechanism.

Abstract: A tool is provided for the extraction of preformed fittings placed in a peripheral groove hollowed into the wall of a bore. A pincer device is formed by two tapered noses, one fixedly attached to a hollow body and the second attached to a piston capable of sliding within the hollow body. An adjustable stop controls the width of the pincer device, and a reference marking indicates the setting of the stop. A grip sleeve and positioning holder assist a user in operating the tool.

Abstract: An apparatus for attaching material to a rod, such as yarn to a broomstick to form a mop, comprises means for fastening the material to the rod with a metal clip. The clip attachment means includes a punch for driving the clip down a guide channel and into contact with a die to form the clip about the material and rod. The guide channel is formed in part by opposed pivotal parallel gates driven by gate actuators. The gates are closed by the same mechanism that drives the clip punch.

Abstract: The invention is a device for slitting wieners in order to prepare them for barbecuing. The device includes a plastic cylinder having an axial bore of such a diameter that a wiener of commercial size will pass through the bore and the device also includes a plastic blade that has a serrated and curved cutting edge disposed within the bore of the cylinder.

Abstract: An extension tube assembly is provided with a swivel coupling permitting selective angular adjustment thereof relative to a hand manipulated shut-off valve device of a compressed air sprayer unit, thereby to facilitate accurate "pointing" of a spray discharge nozzle carried by the assembly. A method of assembling the coupling is disclosed.

Abstract: An insulated staple is formed by a U-shaped body member, and a piece of flexible, plastic tubing bent in a U-shaped configuration and installed on the body member. The plastic tubing is cut along a longitudinal wall portion to form a longitudinally extending opening at the central region of the tubing. The insulated staple is then assembled by inserting the opposed and parallel legs of the body member through the longitudinal opening and out through the axial ends of the tubing so that the body member is lined along its inner periphery between the end portions of the tubing mounted on the opposed and parallel legs. The method for making the insulated staple comprises cutting the longitudinal opening in the tube, bending the tube in a U-shaped configuration and inserting the legs of the body member through the axial ends of the tubing so that the pointed tips are exposed and the inner periphery of the staple is lined between the end portions of the tubing on the parallel legs.

Abstract: A closure flange molded of synthetic plastic resin has an internally threaded cylindrical neck surrounded at one end by a circumferentially enlarged base. An annular groove is formed on the flange base for retention of a thermoplastic bonding element having electromagnetic conducting particles embedded therein. The flange manufacture includes making the bonding element up from an elongated strand into a complete annulus and securely inserting the annular bonding element within the groove in the flange base.

Abstract: There is disclosed a monolithic light display comprising a matrix of light emitting diodes in an integral structure which is scannable to produce an alpha numeric character display. Each of the light emitting diodes is electrically isolated from each other diode in a supporting carrier, with the cathodes of the diodes connected in a series of groups by address lines and anodes connected in an orthagonal plurality of groups by bit lines or column lines. A strobing format logic address system is provided for lighting the individual diodes to emission for producing an alpha numeric character.There is also disclosed a method of making the foregoing which comprises moat etching a semiconductor substrate of a first conductivity to form a plurality of mesas in an orthagonal pattern desired for the ultimate alpha numeric display. A region of the opposite conductivity is then produced on the moat etched surface of the substrate by diffusing a suitable dopant therein.